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Standards Update Service
W59-18
May 2018
‘Title: Welded steel construction
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Welded steel construction
“A tradare the aman Sandor Action parsing aC rg
fate in Mey 2188
sranexdo boo fo
To puchore standards and ead publication nin tore of shop.esa.ca
(oF eo tore 1-800-465-6727 or 416 7 4088,
(sa 70--3.13554
andor Asocatan
Aeration moy beeen
rion of he biContents
‘Technical Committee on Welding of Bridges, Buildings, and Machinery
Offshore Welding Task Group (Annee U) 22
Preface 13
2 Scope 15
2 Reference publications and definitions 16
21 Reference publeations 15
22° Definitions 23
3. General requirements 24
3.1 Qualification requirements 24
B11 Contractor 24
3.12 Welding processes 24
3.13 Welding procedures ~ Conditions of prequalifstion 25
3.14 Selection of type of prove and welding procedures 25
32 asemetal 25
321 General 25,
322 caGwai 25
323° ASTMStandards 25
43.24 APIStandarée 27
325° ABSStandarde 27
326° 1acsStandards 27
3.27 oye Standards | 27
33° Welding terminology 27,
34 Symbol 27
4. Design of welded connections 27,
41 General requirements 27
11 Documents 27
412 Lamellar tearing 29
413 Requicementsforwelds 29
42° Deranvalves 22
43° Effective weld are, length, throat, and let ie 31
431 Groove welds 37
432 Filet welds 34
433 Plugand slot welds 35,
43.4 Minimum groove depth fr partial joint penetration groove welés and minimum length and
sizeof filet welds 35,
44 Deals of filet, plug and slot welds 36
441 filet weld dete 36
442. Plugand slo weld detals 36
45) Welds inshewedjointe 37
45° filers 38
47 Sealwelds 28
My 2018 (© 201 anion Standard AitonSa General 47,
52 Electrodes 47
521 General 47
522 Electrodes for MAW 49
523 Electrodes and uses for SAW 50
5.24 Electrodes and shielding gas for GMAW, GTAW, MCAW, and FCAW 51
5.25 Electrodes, fee, and gases fr electrosiag welding and elactrogee welding (ESW and
Ew) 52
Preparation of material 52
Surface conditions | 52
Joint preparation 53
Roughness requirements 53
Note imitations 52
Inspection and repairof planar edge dlicontnuites 52
Revenant corners 58
Beam copes and weld acces eles 55
‘Weld acess hee dimensions 55
‘Group 4and 5 shapes 55
Camber 35
Correction of camber 5
Assembly 55
Filet weld assembly 55
ying suraces 56
PIP groove weld assembly 56
Groove weld assembly 56
Werknanship tolerances 56
Algnment 57
Tock welds 57
Temporary welds 57
Backing 57
Sealwelds 52
Plug and slot welds 58
Detas of welding rocedores 58
General 58
Shielded metal arc welding (SMAW) 59
Submerged are welding (SAW) 59 .
Gas metal are welding (GMAW), g35 tungsten arc welding (GTAW, metal-coced are welding
(O4CAW), and fuxcored are welding (FCAW) 62
555 Hlectroslg welding (ESW) and electrogas welding (EGW) 61
58 Contol of clstrtion and srinkage teseas G2
5.7 reheat interpass temperature, and heat input control 63
5.74 Preheat and imerpass temperatures 63
5.72 Reduction of preheat temperatures 63
58 Dimensional tolerances 68
59. Profile of welds 65
5:10 Corrections 66
SAL Peering 67
5.12 Stressele heat testment 67
2 1 2018 Candie Sonar Aseiton My 2018533 Cleaning of welds 69
5d Arestrtes 69
55 Meatshaping 69
6 studwelding #2
51 Scope 42
62 Generalrequirements 82
{63 Stud appliation quaifcation requirements 82
631 Prequalified postions 82
1632 Non-prequalfed ti applications 2
1633 Base materalforqualiieation tests 83
634 Testvarablesto be recorded 82
635 Test specimens a3
536 Bend tests(nonthreaded studs) 83
637 fend tests threaded studs) 33
638 Torquetests (threaded studs) 87
638 Acceptance ceria 83
163.10 Replacement of end ests (threaded studs) 89
631 Testdate 84
64 Techniqueané workmanship 34
165 Procedural controls 5
{68 Inspection requirements and repr procedures 87
7. Welding inspection 90
7a. General 90
71a Contractor’ nspector 90
7.12 Third-party inspection 90
7.13 Avalabityofdocuments 92
7.14 Wotieation 9
71s Access ot
7.16 denifeaton 91
7.2 specton of materia 91
73 Obligations ofthe contractor 9
74 Mondestructve examination 92
'8_Radiographic and ultrasonic examination of welds 93
81. Radiographic examination of wes 93
B11 General” 93
812 Extent of examination 94
813 Radiographic procedure 94
814 Aeceptality of welds 98
8.15 Examination, reporting and dsposion of radiographs 98
B16 Alternative relation imaging systems 93
8.2 Uirasonlcexamination of grove welds 100
8.21 General 100
8.22 Extentof examination 100
8.23 Personnel quaifeation FAtechniue) 102
8.24 Utrasonicequpment (FA tecmique) 101
8.25 Calibration standards FA technique) 102
ey 2018 1.2018 conadin Sonor Ascition
Wold to constroton826
827
828
823
5210
a2
822
Equipment calivation FA technique) 102
Calibration fr examination (FA technique) 103
Testing procedure (FA technique) 108
Preparation and disposition of reports 106
Craton of te uasonic unt with the W-Type or other approved calibration blocks 107
Scanning patterns for ultrasonic examination 108
‘Ntomatve uvasonle systems 108
3 Strengthening and repair of existing structures 12
32
92
93
35
354
952
36
964
962
10 vet
1012
1013
014
1015
1016
102
1021
1023
103
3034
3032
3033
3034
104
1042
1042
3052
1053
108
3054
1062
1063
‘General 124
Materials 124
Design 125)
Wirkmanship 125
Fatigue fe enhancement 126
Methods 126
Sess range ineease 126
Qualty 126
Visual inspection 126
Nondestructive testing 125,
is and welding procedure requirements for prequaliledjlnts 127
‘General 127,
Prequalified complete joint penetration groove welds 127
Prequallied partial joint penetration groove welds 127
Requirement for prequalifeation of joints 127
Joint and weld designations 128
Postweld heat treatment 123
Filer metals tested inthe as-welded condition 129,
Shielded metal are welding (SMAW) 130
Prequalified complete jint penetration groove welds made by SMAW 130
Prequalifes partial joint penetration grocve welds made by SMAW 130,
Procedures for SMAW 130
Submerged are welding (SAW) 131
Prequalified complete joint penetration groove welds made by SAW 31
Prequalified partial joint penetration groove welds made by SAW 131
Parameter imitation for prequalified complete and partial joint penetration welds 132
Prequalified lt welds made by submerged arc welding 133
Furcored arc and matal-cored ar welding FCAW, MCAW) 133
Prequalified complete jint penetration groove welds made by AW and MCAW 123
Prequaifed pari joint penetration groove welds made by FCAW and MCAW 134
Procedures for FCAW and MCAW with singe electrodes 134
‘Sas metal are welding spray transfer (GMAW-SP) and pulsed transfer (GMAW-P) 134
Prequalified complete joint penetration groove welds made by GMAW | 134
Prequalified partial joint penetration groove welds made by GMAW 135
Procedures for GMAW with single electrodes 135,
(as tungsten are welding (GTAW) | 136
Prequalfied complete joint penetration groove welds made by GTAW 136
Prequalified paral jint penetration groove welds mage by GTAW 237
Procedures for GTAW wih ingle electrodes 137
(©2018 aman tdi Asciaton My 201811_Statically-loaded structures — Design and construction 178
Lt Scope 178,
112 sasemetal 179
313 Design provisions 179
1131 symbols 179,
1132 oesign values 180
1133 ase metal nd matching lactrode casfiction 180
114 structural details 180
3141 General 180
3142 Combination of welds 180
1143 Welds in combination with boks 180
A144 Strength under temporary loads 181
ALAS Eccentrety of connections 181
MAG Filet welddetals 181,
4147. Lapjoints 181
M148 Transition of thickness or width 182
A149. Beams and girders 182
314.10 splices in compression members 182
34.11 Splcesin toson members 163
41.412 Tand comerjoite 183
431.413 Connection of components of bult-up members 183
315 Workmanship 184
115. Termination of groove welds 184
3152 Groove weld batting 184
1153 Dimensional tolerances 184
1154 dualtyof welds 184
32. cyelicll-loaded structures — Design and construction 200
121 Spe 200
122 sasemetal 200
323 besign provisions 201
3231 Symbols 201
1232 Design values 201
4233 ase metal and matching electrode casieation 202
1234 Fatiguestress provisions 202
124 Structural detals 204
1241 General 204
1242 Combination of welds 208
12.43 Welds in combination with Boke 205,
32.44 strength under temporary nade 205
1245 ecentrty ofconmections 205
A246 Filet weld details 206
3247 Lapjois 205
32.48 Trarstionof thickness or widths 206
3249. Beamsand ders 200,
424.10 Splcesincomaression members 207
324.11 Splcesin tension members 207
32412 T-and comer joints 207
124.13 Connections of components of built-up members 207
ey 2018 (©2018 Conan Standard Aiton 5124.14 Prohibited types of joints and welds 208
32S Workmanship 208
125.1 Termination of groove welds 209
1252 Groove weld backing, 209
125.3 Dimensional tolerances 209,
1254 Quality of welds 210
1255 Temporary welds 212
‘Annex informative) ~ Typical prequalfed partial joint penetration groove welded joints with SMAW,
FCAW, MCAW, and GMAW 239
Annex 8 (informative) — Plugand slot welds 241
‘Annex C informative) — Prevention of cracks 243,
‘nex {informative) — Welcng symbols 245
Annex E(nformative) — Welding defntions 251
‘annex F informative) — Geometric unsharpness and suggested report forms for examination of
welds 297
‘Annex (informatie) — Example of weld quality requirements 302
‘Annex H (normative) — Material requirements for studs and std base qualfcation
equterents 303
Annex informative) — flatness of ger webs — Clause 12322
‘Annex (informative) — flatness af der webs — Clause 12315
‘Annex K informative) — Ar spot welds 327
‘nex informative) — Hollow structural secon (HSS) connections 329,
‘Annex M informative) ~ Strength of welds 335
‘annex W informative) — Gas metal ac welding (GMAW) 339
‘annex (informative) — Guidi and commentary on alternative methods for determining
preheat 347
‘Annex a (nformative) — Lames tearing 975
‘annex R informative) — The fatigue Iie of structures ad postweld methods of fatigue life
‘enhancement 382
‘Annex (informative) — Allowable Stress Design 391
‘annex (informative) — Description and Intended use of electrodes fr gas metal arcwelding 389
‘Annex U (normative) — Welding of fixed stel offshore structures 401
‘annex (informative) — Bectrode cassication wossreference 513
‘annex W (informative) —SFRS Seismic welding provisions 515.
‘Annex normative). — Utrasoni examinations of groove welds using tme-orrecte gain technique
with conventional ange beam or manual phased array ultrasoni
testing 535
6 (02018 coin andr Acton ey 2018ws.18 Welded contraction
Technical Committee on Welding of
Bridges, Buildings, and Machinery
1.6. matin cows Group, choir
ion, Ontario
Category General nterest
T.verhey Waters norporte, Vice Chir
(Gategory:Prosucer Interest
V.Anetisani ‘Omaiweld integrated sotutons, Assocote
Bunington, Ontario
M0. caries LUncon Electric Company of Canada Limite, Associate
Misssoug, Ontario
Ni. carington TSE Steal,
Calgary, Alberta
Category: Prosucer Interest
Chessman Mac stet td
Catuile, Ontario
(ategory: Produce Interest
‘.caliton Fleasway ine Associate
Sit Joh, New Brunswick
MAL ior Martham, Ontario
Category General inert
RM. Grant Grantee Engineering Constants inc,
Hammonds Pins, Nove Sata
(Category: User Interest.
4. Hobos Hobbs Material Engineering Limited, Associate
Dartmouth, Nova Seata
P.Halloway Holloway NDT & Engineering Ine,
Georgetown, Ontaro
Gategory User interest
Wo Jara Roren Chambly, Quebec Associate
My 2018 (© 201¢ canadian Sonar Anccition 75. Keay
K kerk
Mi. tarek
L tudwig
A. Mecartney
‘Gu. Mennian|
Te Nguyen,
LW. oon
1A. Packer
NA. Paoin
2 Radon
sNctavatin,
Stotn', Newfoundland and Labrador
Category User intrest
Ok & Associates in,
Er, Ontario
Category: User Interest
RapidSpan structures Ut,
“Amswone, Brits Columbia
Category Producer interest
ParioEnginearing and Environmental Sciences,
Concord Onan
(Category: User interest
Enbridge in,
Edmonton, Alberta
Omniveld integrated Solutions,
IMiton, Ontare
EXP services ne,
tendon, Ontario
Category: User Interest
Conestoga Clloge,
‘Cambridge, Ontario
POW Technolagles,
Ingersel, Onearo
Category: User interest
University of Toronto,
Toronto, Otaria
ProWeld Engineering,
Toronto, Ontario
Category: User inerest
Pisburgh Stee! Group,
Missauga, Ontario
Category: Producer interest
(2018 canadian Standard Ascation
Associate
Asocite
scsocate
AsociateM.Razatin
santagon
S.Seola
v.valdya
T.Van toon
. Watbridge
4. Whalen
wight
S. MeDiarmid
rasweld in,
Rehmond Hil, ontario
Gategory User interest
65 canada Ine,
‘Québec, avebec
(Category General meres
cai,
Homesiood tins, USA
Category: User interest.
Techno Vorue,
Beaconsfield, Quebec
(ategory: User Interest
SELECT-SAl ne,
Green Valley, Ontario
Category: General Interest
University of Waterloo,
Waterloo, ntaria
Ctegory: General Interest
Canadian instute of steel Constrvcton (SC-ICCA),
Martham, Ontario
Category: General aerest
Walward Steet,
Eamento, alberta
Category: Producer nerst
CsAGroup, Project manager
Toronto, Oeario
“This edition is decated to the memory of. Robert Roy, Png. who during his 30 years of ative
Involvement non the W58 Techrieal Committe showed urvelenting passion the highest competence,
and deep engagement inthe interests of the Canalan welding industry gaining the respect of a
committee members who were privilege to serve with him. In particular, hs expertive in wong
metallurgy and mathematical modeling significantly enhanced the provsions ofthe WS9 Standard, Rob
leaves a herage of durable professional achievernents ané memories of his colouful and ataching
persoalty
1 2018conadin Stoners Action 9Offshore Welding Task Group (Annex U)
RM. Grant
1 campbell
Fe Fee
RLM. Federking
Harker
J. Hobbs
OR cian
A.Mecariney
NA. Paolini
4. Robertson
Po Rogers
S. Mebiarmid
Grantac Engineering Consultants ne, ovoir
ammonds Pain Nova Seatla
lursey Engineering Ie,
Conception Bay South, Newfoundland and Labrador
Iain M Campbell Consuting,
Daremouth, Nova eatla
‘CON The Community College of Now Brunswick
Bathurst, New Brunswick
National ReseerchCounel Canada,
Ottawa, Ontario
aes,
Geveiand, United Kingdom
Hobbs Materials Engineering Limited,
Dartmouth, Nova Sota
ewe Group,
ton, Otro
Omniveld integrated Solutions,
Milton, Ontario
ProWeld Engineering
Toronto, Ontario
Moths Fabrication ne,
‘Miramichi, New Brunswick
Suncor Energy ne,
Slain’, Newfoundland an Labrador
csA Group, Project manager
Toronto, Ontario me
(©2010 cana Stands Aston 0Preface
‘This the tenth edtion of CSA W58, Welded steel construction. It supersedes the previous eons
published in 2013, 2003, 1989, 1884, 1982, 1977, 1970, 1946, nd 190,
‘The followings 2 brit description of some ofthe most significant changes tothe current etion
of SA WSS;
4) Cause 3has been revised to add several tel othe prequaife ft.
1b) Clause Shas been updated toad clrfiation on the requirements related t hydrogen
esignators,
©) Clause 7has been reworked to provie clarity on roles and responsi for welding inspection
4) Clause Binciuces corrections related to terminaogy, equipment, and flaw length sing Clbration
requirements have been revised to rellec digital instrumentation Allowances forthe use of an
iterative ultrasonic technique and ralographic Imaging systems have been added
©) InClause 10, all the figuras have been reworked into anew format which arranges prequafied
Join by jit type rather tan by welding process,
4) Asthis Standard contains ne commentary various non-mandatory annexes have been included to
generate a beter understanding of certan aspect of welded steel construction. Th annexes of
the previous edition ofthis Standard have genealy been reviewed for laity. adlion,
| Annex W has been added to provide adtional requirements for welding consumables,
‘weed fabcation techniques, weld eps, demand eral welds and welding Inspection for
Seismic force resisting system (SFRS) of structures.
1) Annex hasbeen ede to define an sterntive ultrasonic examination techique or manual
‘onventinal and manual phased aay ultrasound, New acceptance criteria ware developed
for equivalent sensitivity tothe feed attenuation (Clause 8.2) techlaue
‘Thi Standard was prepared by the Technical Committee on Welding of Bridges, uldngs, and
[Machinery andthe Offshore Welding Task Group, under the urissetion ofthe stratege Steering
Committee on Construction and ivi infrastructure, and has been formal approved by the Techn
Commitee,
1) Use o the singlr does nat exclu the ll ond vice versa when the sens allows
2} Atiough the nen primary appltion of hs Standard tes int Scope is imortant 0 note that i
‘emai the respanabity ofthe wero the Standard to judges sitet Jor hi are pupose
3) Ths Sandord was developed by consensus, whichis defined by CSA Poe governing Sadardustion~ Cole
‘of good practs for tndarantan a “avbstntol grerent Coens mach more than o single.
‘moor, bu ot necescarly noninterest wt definition thot o member moy be nce i
{he Teco! Commie ton ye ot Be in fl agreement witha cuse of hs Standar.
4) To suis request oriterretationo his Standard please send he aowing information f2
uiies@esegroupor an inuse Reaves! oriterretation” ine sabe ie
1} define he problem, meting reference tothe specie cause, and where appropri, nude on
strove steteh
1») prove an exlonton of ccumstncssuroundng te acu fd contin: on
©) where pose, pase the request in such away at Speier no" ons wl adress the
Mey 2018 (© 2018 conadueSwards Asociaton 135) ThiStondord it subject review with five yrs from the dt of pbleaton Suggestions fer ts
Improvement wl beefed tothe apeopite cane. To submit apropos fer change, plese send the
[allowog nfometen to nqurles@esogroup.ory on inclde "ropa fr change in the suet ie
3} Stondrd designation (ramber
1) relevant cause ol and/or figure uber
©) ovdng of the propoces change ne
(rationale forthe change
1“ (©2010 condi Sandor Aiton My 2018W59-18
Welded steel construction
1 Scope
1a
“This Standard covers welding requirements for carn and owally weld steel construction, withthe
‘exception of those types listed in Clause 12.
Requirements that are essentially common toal such structures ae covered in Clauses 3 10, while
provisions applying special a stata ooded structures and to yeealy-loaded structures are
Included in Clauses 11 and 12, respectively.
12
‘This Standard snot intended to apa to pressure vessels o a stuctres governed by special codes
such a5 those ofthe American Petroleum Institute, the American Society of Mechanical Englnees, or
the American Water Works Assoiaton,
13
‘This Standard includes provisions forthe following:
2) shielded meta ate welding (SMA;
b) submerged ar welding (SAW);
©} metal are welding (GMAW),
4) as tungsten ae welding (GTAW);
f) fhaccored are welding (FAW),
8) metakcored are welding (MCAWh
8) elecrosisg welding (ES;
1) electrogas welding (EGW); and
|) stud welding (SW) processes.
4
“The provision of this standard are not intended for use wit steels having specied minimum yield
sRrength over 700 MP (100009 ps).
45
“his Standard apples tothe welding of base metal 3 rm (1/8 In and thicker. In cases where base
‘metas ess than 3 mm (2/8 in thick ae to be welded to base metals 3 mm (1/8 In) and thicker, the
requirements of AWS D13/AWS D1.3M and this Standard app nthe eave of any confct between
|AWS DL3/AWS D1.3M and tis Standard, the requirements ofthis Standard govern
Noten cates where base metals than 3mm (1/8) hk ae to be weed to Bese metas ls thon 3am
(A76in, the requvemens of AWS DL-3/AWS DL 3M moy be appropiate
Mey 2018 © 2018canodun Sonor Aiton 1516
Tis Standard does not address safety problems associated with welding and welding practices.
Note 4 W172 adresses safety in weg, cating, and alles process, and shuld be followed inode to
‘ny apleabeworplce heath and safety legislation in eft Ite responsibilty of the sero ths Standard
{@estobshcpevoprete softy ad heath practies and to determine the opal of registry ttn,
a7
This Standard doesnot adress the welding of stalniess stels. For welding of stainless tel the
provisions of AWS D1 6/AWS O1.6M may be used forthe delgn of welded connections,
preaualificaton fabiaton, and inspection
Note: Se SA 47.1 for guidance related tothe qulfcaton of welding personel and welling paces for
18
‘This Standard does not address underwater welding activities.
19
In this standard, “shal” is used to express a requirement, Le, a provision thatthe wer is obliged to
satisfy inorder to comply with the standart “shoul is eed to exoress 4 recommendotion or that
which is advised but not required; and "may" is used to express an option or that which s permissible
‘within thems of he stand
Notes accompanying causes do not include requirements or alternative requirements; the purpse of &
rote accompanying a clause sto separate fom the text expanator or informative materia
Notes to tables and figures are considered par ofthe table or fgure ane may be writen 8s
requirement
‘Annexes are designated normative (mandatory or informative (non-mandatory) o define their
‘palieation
110
‘The values gvon in Sl unit are the units f record forthe purposes ofthis Standard, The values given in
parentheses are for information and comparion oly.
2 Reference publications and definitions
2.1 Reference publications
‘his Standard refers tothe following publications, and where such ceferences made, it shall be to the
cediton listed below
esa croup
1951962 (withdraw)
Surface texture roughness, waviness, ond fey)
c4020/600.21-13
‘Generl requirements fr rolled or welded structural quoltystel/Stuctura quality steels
16 (©2010 cana Stondrt Ascation Mey 2018so14
‘Conacan Highway Bridge Design Code
Design of ste! structures
‘wa7.1.09 92018)
Cerfieation of companies for fusion welding of tel
wae-18
Filer metals and alled moter for metl ar welding
war72a2
Safty in welding, cating, and ali processes
wa7eaaa
Ceriction of welding inspection organizations
wa7ezas
Cereication of welding inspectrs
CAN/cSAAsO 4341-1 (R016)
Welding consumables ~ Wire electrodes and well depts for oas shielded meta are welding of on
alloy ond fine grain steels — Cessation
‘iSc(Ameriean institute of steel Construction)
AANSYAISC 341-10
Seismic Provision or Structural See Bulngs
AansyAisc 358-20
Prequalified Connections for Special ond Intermediate Stee! Moment Frames for Seismic Applations
AP (American Petroleum Institute)
‘AP Speciation SL13
Speciation for Lie Pipe, For fith Edtion
ASTM International
pejasnaasa
Standard Specification for General Requirement for Role Strutt Stee rs; Plates, Shapes, nd
Sheet Ping
6/a36M14|
‘Standard Specfeaton for Coron Structural Stee!
-853/AS3M-12
‘Stondord Specification for Pipe, Stee, Black and Hot Dipped, Zne-Cooted Welded ond Seamless
‘n106/x1066-15
‘Standard Speciation for Seamless Corbon Stee Pipe or High Temperature Sevice
My 2018 © 201canan Sundar Asacition "7iBY/al3ziMt4
‘Standord Speciation for Stractura tel or Shins
‘n139/A1396-16
Standard Speciation for Electric Fusion (Ac}-Welded Stel Pipe (NPS4 and Over)
saurjazaners
‘Stordard Spedicaton for High Strength Low-Aloy Structural Stee!
381-96 (2012)
‘Standard Specfication for Metakarc-Welded Stel Pipe for Use with high Pressure Transmission in
Systems|
‘AAAL/A841M.88 [ita
Speciation for High-Strength Low-Aley Stuctuel Manganese Vanadium Ste!
‘496/8496M.07
‘Stardord Speciation for Stel Wire, Deformed or Concrete Reinforcement
‘500/as00N13,
‘Standard Spedfieaton for Colé-ormed, Welded ard Seamless Carbon Stee Structural Tubing in Rounds
‘ond Shapes
aso1-18
Standard Speciation for Hot Formed, Welded and Seamless Carbon Steel Structural Tubing
asuayasianeas
‘Standard Specfiction for Migh-ieéStrength, Quenched and Tempered Alo Stee Pat, Suitable for
Welding
'8S15/A515410 (2015)
Stondord Speciation for Pressure Vessel Plates, Carbon Stel, for Intermediate ond Higher-
Temperature Sence
-AS46/AS164-20 (2015)
‘Standard Speciation for Pressure Vessel Plates, Carbon Stel for Moderate. ond LowerTemperature
Senice
‘AS17/AS47.40 (2015)
‘Stonderd Speciation for Pressure Vessel Plates, Aly Steel, High Strenath, Quenched and Tempered
52496 (2012)
‘Standard Speciation for SeomiessCorbon Stel Pipe for Atmospheric of tower Temperatures
29/08206-14
Standard Speciation for High Suength Carbon Manganese Stel of Structural Quality
ass7/as37M13,
Standard Speciation for Pressure Vessel Plates, Heot-Teate,Carbon-MoganeseSilcon Steel
18 (©2018 canon Stn Action Mey 2018'A570/4570N198 (thrown)
‘Standard specification for Stel Sheet and stp, Corbon, Hot-Rolled
asrziasaMas
‘Stonderd Spezfetion for High-Strength Low-Alloy Columbium-Vanaclum Structural tee!
AsTa/As72.33
Standerd Specfeation fr Structarol Carbon See Plates of improved Toughness
ASBa/AS86M-15|
Standard Specification fr High-trenat Low Aly Strctura tel upto 50k [245 Mo) Minimum
eld Pont 04 with Atmosphere Corrosion Resistance
‘Asas/asgsnen4
‘Standord Specification for Stel Tubes, Low-Carb or High Strength Low-Alloy, Tapered for Structural
-A6D6/A6O6NAS
‘Stonderd Speciation for Stel, Sheet and St, High-Strength, Low-Aliy, Hot Role and Cold-Rolled,
with improved Atmospheric Corrosion Resistance
4607-98 (withdrawn)
‘Stondard Speciation for Steel, Sheet ond Strip, High-Strength, Lowey Columbium or Vanadium, or
Both, Hot Rolled ond Cld-Raled
‘As 18/8618 (2015)
‘Standort Specification for Hot Formed Welded ond Seomiess High Strength Low-Alloy Strctural Tubing
‘n633/n69N-13,
‘Stonderd Specification for Normalized High-Strength Low Aly Structural Stel Plates
‘A709/4709N-13,
‘Stoned Specification for Strctural Stel for Bridges
Ar.O/A710™02 (2013)
Stondard Specification for Precisitation Strengthened Low-Carbon Nickel Copper Chromium
‘Molytdenum- Columbium Alloy Structural Steel Plates
.A808/A8O8N-008 (withdrawn)
‘Standard Specfieation for High-Strength, Low Alby Carbon, Manganese, Columb, Vandium Stel of
‘Structural Quality with improved Notch Toughness
aBaT/naaria
‘Stondora Speciation for Cold formed Welded ond Seamless High-Strength, low-Aloy Structural Tubing
with Improved Atmospheric Corrosion Resstont
'8852/A852-03 (withdrawn)
Standard Speciation for Quenched and Tempered Low Aloy Structural tel Pate with 70 ks (485.
apo] Minimur Yield Strength on [10 mm ick
Mey 2018 (© 2018 cade Sonar Aseition 191913/A913M15,
Standard Specfeation for Nigh Strength Low-Alloy Stel Shapes of Structural Ql, Produced by the
‘Quenching ond Sel Tempering Process (257)
aszayasz4n13
‘Standard Specjiction for Genero Requirements for Steel Sheet, Metalic Coote bythe Ht bp Process
2992/4992M-11 (2015),
‘Stondard Soecjfeation for Structural tel Shapes
‘1008/8x006M-128
‘Standard Speciation for Stel Sheet, Cold-Rolled Crbon, Structural, High-Strength Low-Alloy, High
‘Strengen Low-Alloy with improved Formabilty Solution Hardened, ond Boke Hardenabilty
atons/aonamas
‘Standard Speciation for Stel Sheet ond Strip, Hot-Rolled, Carbon Structural, High Strength Low-Alloy,
High Swength Low-Alloy with improves Format, and Ul. High Strength
‘a1018/A10180-15
‘Standard Speciation for Steel Sheet ond Strip, Heavy Thickness Coils, Hot-Rolled, Carbon, Commercil
Drawing, Structural High Strengh Low-iloy, High Strength Low-Alloy with improved Formebilt and
Utratigh Senge
Atoas/asosse1s
‘Standard Speciation for Cold-Formed Welded Corbon Stee Hallow Structured Sections (HSS)
i236
‘Standard Test Methods for Vickers Hardness and Knoop Wardnes of Metalic Materials
94-06 (2010)
“Standard Gude for Rockogrophic Examination
euoaz
‘Standard Hordness Conversion Tables for Metos Relationship Among BrnllHrdness, Vickers Hardness,
Rockwell Hardness, Superficial Hardness, Knoop Hordness, and Slerascope Hardness
“Standard Proctice for Contact Ultrasonic Testing of Weldments
165-12
“Standard Practice for guid Penetrant Examination for General Industy
709.15,
‘Standard Guide for Magnetic Porte Testing
AWS (american Welding Society)
ee
‘Standard Symbols for Welding, roving, and Nondestructive Examination
20 (© 201 canon Sender Asan Mey2018a3 0M/A3.0-10
‘Standord Welding Terms and Definitions; Incuting Terms for Adhesive Bonding, Brazing, Soldering,
Therma Cutting and Thermal Spraying
‘a43-93 (2016)
‘Standard Methods for Determination of the Diffusble Hydrogen Content of Martens, Bint ons
[erie Stee Weld Metal Produced by Are Weng
AS o1M/AS.01-13
Welding Consumables — Procurement of Filer Metals and Fuses
A5.4/A5.1M12
Specification for Carbon Stee Electrodes for Shielded Metal Arc Welding
ASS/AS S14
‘Specfeaton for Low-Alloy Stel Electrodes for Shielded Metal Are Welding
as23jas23mat
‘Speciation for Low-Alloy Stel Eetroses ond Fluxes for Submerged Arc Welding
8. 28/05.2804.05
‘Specfeation for Low-Alloy Stel Electrodes and Rods for Ges Shielded Are Welding
15.29/5.29M20
‘Speciation for Low Alloy Steel Electrodes for Fa-Cored Arc Welding
(c4-7 (R2010)
‘itera fr Describing Oxygen-Cut surfaces
p1.as
‘Structural Welding Code ~ Stee!
13/01. 3m08,
‘Structural Welding Code — Shet Stel
p16/0.6m07
‘Structural Welding Code — Stones Stee!
oct07
Stondord for AWS Certification of Welding Inspectors
{cG58/1s0 (Canadian General Standards Boar international Organization for Standardation)
CAN/C688-48.97122006/150 9712-2005
Non-destrctve Testing ~ Qualification and Certfiation of Personnel
{sc (Canadian institute of Steet Construction)
“Moment Cannectons fr Seismic Applications, second elton (2018)
2018 1 2018 conan Sur Aseition 2‘1sc/cPMa (Canadian Institute of Steel Construction/Canadian Paint Manufacturers Assocation)
1733 1975),
‘A Quickdrying One-coot Pint for Use on Structure Steel
2275 (1975)
‘A Quickdrying Primer for Useon structural Stee!
(SIcc (Canadian ste! industries Construction Counel)
Industry Research Project No. 175,
Strength of Arc Spot Welds in Sheet Stel Construction
Industry Research Project No, 180
‘Study of Hardness and Cooling Rates in Are Spot Welds (WIC Report RC 541-80)
150 (International Organization for Standardization)
3590:2012
Welding an ote processes ~ Determination of hydrogen concent nave weld metal
INR (Nationa Research Counc of Canada)
Nation! Bulding Code of Cone, 2015
LUsDOT FHA (U.S. Department of Transportation — Federal Highway Adminstration)
Report No. FRWAAF-58:008
Heat Straightening Repois of Damaged Steet Bridges ~ Manual of rectice and Technical Guideine
USAF (United States Ai Force)
To2e141
Non-Destructive Inspection Methods, Basle Theory
Wic/Csset Project (Welding Institute of Canada / Canadian Sheet Stee! Building institute)
WiC Report RC 163
Fracture Tests on Are Spot Welds
‘other pubiiations
Dexter, Connor R, Kactns,R. 1997, Fatigue Design of Modular Bridge Expansion Joins National
{Cooperative Highway Research Program (NCHRP) Report 402.
Fish 1, Nusbaumar, A. esting Yen, 8. 1993, Resitance of Welded Beto under Variable
‘Ampiude ong-fe Fatigue Leading, NCHRP Report 354
Frank, KH. and Fsher, 1.1079, Fatigue Strength of Filet Weld Cruiform Sections, Journal ofthe
‘Structural Dison, ASCE Val, 105 S8, September: 1727-1740,
Packer... and Henderson, E1987. Hollow Structural ection Connections ané Trusses, A Design
Guide. Chapter 12. Canasion Intute of Stel Construction
2 (©2018 asin andar Acton Mey 20182.2 Definitions
224
The following defintions apply inthis Standard
[Approved — epproved by the engineer.
‘Contractor — the fabrieator or erector who performs the welding,
Contractor’ engineer — the professionali: qualified engnser responsible to the contractor for al
raters within the scope ofthis Standard
‘Construction documents ~ the most recent IFC (sued for construction) drawings, specications,
computer output, models an electronic dtl data used to govern the construction ofthe works
Cw — the Canadian Welding Berea
‘Demand citca welds — welds designated by the engineerin the contract documents that are required
tomeet the provision of Annex W.
Design documents — érawings and specification, including computer models electronic documents
and other data 2s prepared by the Engineer showing member ses and dimensions and all required
forces fr connection desig, Le shears, axial ares, moments and orion, [Refer tothe governing
technical standard for the entre tof mandatory requlrements),
Engineer — the professionally qualified engineer who ats as the designated representative of the
regulatory authorty or ofthe Purchase, as applicable, for all matters within the scope of this Standar,
Fabrication and erection documents — a colection of documents (hard coy, electron and/or models)
prepared by thefabriator and/or rector related to steal abication and erection.
SS — hollow structural ection,
January design temperature ~ the lowest temperature tor below which only a certain smal
percentage ofthe hourly outde ar temperatures in January occur ae specfed inthe National Buluing
{ose of Concd,
‘Low hydrogen — a term applied to consumables manufactured to deposit weld metal having @ specieg
‘maximum init te difsible hydrogen content or to processes having inherently ow aifusible
drogen levels
“Maltiple electrodes ~ the combination of two or more single or paral electrode systems Each ofthe
‘component systems has it own independent power source ad its own electrode feeder.
Primary member — an elemento assembly of elements within a structural system that performs an
‘essential ole in load transfer and, on becoming ineffective, wil substantial reduce the oadcarying
capac ofthe system,
Primary tension members — a primary member or companentof# primary member, within a multiple
Toad path structural system hat is subject to tense stress.
Protected sone — areas designated on the stuctral design documents ae part ofthe seemie force
resisting system that undergo lage inelastic trains lcommonly termed plastic hinges) and in which
Tmtations apy to abiatien and attachments
Mey 2018 (© 218 canaton todas ein 23Purchaser
mer or owner's representative,
Procedure Qualfeation ~ acceptance by the CWS or the enginee. Acceptance by the CWB may be
|anted on the basis of one ofthe flowing at the discretion of the CWB:
8) rungs by applicable governing codes proving for pregualifie joints;
1) evidence of previous test data accumlted by the CWE,
evidence of test data accumulated by the contractor witnesed by an independent author; or
1) testing witnessed bythe CWB, but ony if tem (l(b oF} doesnot app
Selsmic fore resisting syst (FRS) — the structural elements inthe bulding that resist seismic lads
Note: hese stractual elements must be enti inthe contac documents an inde the columns, bons,
(aes, braces andthe connection: benaeen hee semen pec) designed ta res sani ad, ether
Welding inspection organization a group competent in welding inspection that iether completely
Independent ofthe contractor or does nt report ect to supervision responaibe for produlng the
ork to be nepecte,
22.2
Welding terme refered inthis Standard are defined in Anne
3 General requirements
3.1 Qualification requirements
3.1.4 Contractor
‘When mandated inthe contract orn the governing design Standard, allcontracters performing work
‘unde this Standard shall comply with CSA WaT. for welded fabriatlons
* examples CS. A S16
3.1.2 Welding processes
3424
“This standard covers the following processes:
2} shielded metal are welding (SMAW!
1) submerged arc weling (SAW
€) gas meta are welding (GMAW)
€) gas tungsten are (GTAW);
8} fccored ar welding (FCAW}
f)metalcored ae welding (MCAW);
8) elctosiag welding (ESW);
1) electrogas weling (EWI: and
1) stud welaing (SW.
Filler metals and alle materi forthe various processes shall conform tothe requirement et forth
in CSA Was, except for Stud welding, which shall conform othe requirements of Cause 3.1.22 ofthis
Standar,
oy (©2012 cain Standard Ascoon My 2018Any welding process not covered dirty by CSA WA8 or not writen Into this Standard shall be subject
tothe acceptance provsions of SA W47.1,
322
‘Stud welding procedures shal conform tothe requirements of Clause and their approval shall be
based on stsfacory tess prescribed in Cause Ha,
3.1.3 Welding procedures — Conditions of prequalification
34.34
Joints for SMAW, SAW, FCAW, MCAW (Spray transfer mode), GTAW, and GMAW (spray and pulse
ransfer mode that conform othe provsone of laure 10 shall be deemed ae prequalified and,
‘therefore, approved for use without performing procedure qualification ests, provided that welding
procedures also conform to Clauses 4, 5, and 10
* See Amex foro dscuson of medes of etl wansfr oss the ae
3.1.32
‘ont detals may depart from those presrived in Clause 10, only ifthe cantractar haste proposed
join and joint welding procedure qualifled in accordance withthe requirements of CSA WA7.2
34.33
‘combination ofthe welting processes Ista n Clause 3.13.1 maybe wed to weld a joint deemed a
prequalified under the requirements of Clause 10. In such instances, te joint geometry shall meet the
provisions af Clause 10 for both process; when ths orcs the ont shal be deemed a prequalified
nd, therefore, shall be approved for use without performing weiging procedure quafstion ts,
3.1.4 Selection of type of groove and welding procedures
Unies otherwise specified inthe contract documents, the selection ofthe typeof groove, the geometry
‘of preparation, the welding process, and the elated welding procedures shall be te responsibity of
the contractor's engineer,
3.2 Base metal
3.2.1 General
Stee! tase metal tobe welded under ths Standard shal conform tothe requirements ofthe CSA or
[ASTM Standards ited in Clauses 322 and 3.2.3 or other recognized specications of equivalent
welding quality as determined bythe contactor’ engineer and approved bythe engineer Eaunalant
‘welding qual shall be established on the basis of composition and carbon equivalent. Carbon
‘auivalent shal be determined in accordance with the International Isttute of Welding formule
Ean = CoMnyex(creMor/SH(NH-Cu/S
3.2.2 ¢5n 640.21,
‘Steel base meta tobe welded under this Standard shall conform othe requirements of CSA G40.21 In
the following grades
3) 260W (38W) and 260WT (387);
3) 300w (ea) and sow (44w;
Mey 2018 (©2010 cana Sanders Acton 25©) 345\WM (SOW), 245A, 350W (SOW), ISON (SOW, 350A (50), 350R (SOR) and 350AT
(Soar
4) 320W (SSW) and 380W (5;
€)400W (GoW), 400WrT(SOWT), 400A (608), and 400A (EDA);
4) 450 (65W) and 4S0W7T (65W7;
1) 480W (70W),480¥rT(7OWT), 430A 708), and ABORT (OAT):
1) Sow (B0W),SSOWT (SOW), 550A (308), and SSOAT (SORT) and
1) 79001000} and 7000 (20007),
3.2.8 ASTM Standards
Steel base metal to be welded under this Standard shall conform tothe requirement of the following
‘ASTM Standards in the grades ited in Tables 11.1 and 12.
3) sa6/aa6u:
) Assyasam;
©) At06/aa0e
@) AtSi/AL3IN
)ALBO/AL30N,
A) azazyaonaNt,
) A38i;
hy Agaajaasan
|} ASOOVASOOM;
5 Asox;
4) asiajasiam:
1) asisjasisat
mm) ASIG/ASIEM;
) ASH7/ASL7M;
0) AS24;
)_AS29/as29M;
)AS37/as37M,
)_ASTO/ASzON
5) aSTZasTaN
8) AS73/A573N
1) -KSB8/ASSBM, 385 MPa (50s) minimum yield point to 100 mn 4 in) thik ith propertios
table for welding}
¥) ASBS/AS95N
WW) ASQ6JASDGM (Types 2 and 4; Type 4 shall have properties suitable for welding
a) Aer;
¥) AsiB/AsisH
2) A633/A6330;
23) A709/A709N;
ab) A7I0/A7I0m;
3c) A806/A808m;
fg) A847/Ag87™;
3} A852/A8524
3H), AS13/A013%5
3g} A992/0002%
3h) A1oos/atocaM,
a) Atouyato1uM,
i) A1028/A10180; and
26 1 201 candi Standard Ancor My 20182k) 1085/0854,
3.2.4 API Standards
Steel base metal tobe welded under this Standard shal conform ta the requirements of API
Speciation SU ln the grades sted in Tables 11.1 and 12.2
3.2.5 ABS Standards
Steel base metal tobe welded under this Standard shal conform tothe requirements of ABS inthe
grades ised Tables 12.1 and 12.1
3.2.6 IACS Standards
‘Stel base metal tobe welded under ths Standard shall conform tothe requirements of ACS nthe
grader listed in Tables 2.1 and 12.1.
3.2.7 Lloyds Standards
‘Steel base metal tobe welded under hs Standard shall conform tothe requirements of Uoyd in the
arades sted in Tables 1L.1 and 12.2,
3.3 Welding terminology
"Most ofthe welding terms ued inthis Standard are defined in AWS A3.0M/A30, See AnnexE for 2
Selected list of dations dervd fom that Standard. Annex alo Includes definitions of terms used in
this Standard that are not covered in AWS A3.OM/A3.O.
3.4 Symbols
Wilding symbols shal be 25 shown in AWS A2.4, See Annex fr symbols from that Standard and
additional conventions developed for incorporation into tis tondara, Spec requirements shall be
fully explained by notes or deta
4 Design of welded connections
4.1 General requirements
4-14 Documents
401.1 Design documents
atta
The dese octal itl a formation neces fr reparation of aetna ren
4aaa2
Wilded structures shall be designed to permit adequate acessbilty to the joint uring construction.
4aaa3
Inspection requirements shal be defined on the plans orn the specications.
oy 2018 © 2010 Cason Sandor Alin a4a444
In the case of partial joint penetration groove wel, the design documents shall specify the required
effective throat (1) as defined in Cause 4.3.18
Design documents shall show groove weld requirements, Le, complete jens penetration (CP) or partial
joint penetration (PP), flows
(G) settee dros one aw ie
(e)} Seteete thes onte ther side
Special groove etal shall be specled, where required
4a44s
Inthe case of filet welds o groove welds In skewed jolts, the design document shal spac the
require effective throat (E) 35 defined in Clause 45.
41146
The engineer shall ldentfy welded joints that ae cyclically laced in the design documents or
construction documents. nthe absence of any identied celal Welded jit, the provisions of
Clause 11 shall apply.
4.1.1.2 Fabrication and erection documents
saa2a
Complete information regarding locaton type, size, and length ofall welds shal be clearly shown nthe
fabrication and erection documents. The documents shall stinguish between shop and field welds and
shal distingulsh groove weds as ether CIP or PP.
Note: or welding symbols see Annes D.
44422
Inthe cas of partial joint penetration groove welds, fabrication and erection documents used inthe
‘shop or fea shal spect the groove depth (S} and geometry applicable to the effective tron eared
for the welding proces ad postion of welding to be ured,
41123
Inthe case of wal In skewed joints see Figures 48 and 4), fabrication and erection documents sed
inthe shop or fl shall specfy the efecive lg 2 (5) or filet welds or effective throat cor groove
weld as appropriate. In the case of grave welds, aditional information tothe welding smb! shall be
required to allow for in-process measurement. This maybe contained inthe tal ofthe welding symbol
‘ron an additonal sete,
28 (©2018 cannon Sondre scion ey 2018saan
Special febriation procedures shal be prepared and issued with or onthe fabrication or erection
documents where its important to minimize shrinkage stresses or distortion o to control the general
Sequence of fabrication operations.
4aa2s
‘The required weld lengths specified onthe fabrication ar erection documents shall be the effective
lengths as specified in Clause 3.
4.1.2 Lamellar tearing
Note: ee tone for aston! formation op lm taring
Corner oF Toit details causing trough thickness tensile tresses resulting from welding executed
Under condone of etait shall be aolded when possible
If his typeof joint cannot be avoided, measures shal be taken to minimize the possibilty of lamellar
tearing! such as the selection af matrals with improved through thickness duct
4422
In the ase of comer joints using single bevel or grooves, the preparation shouldbe as shown in
Figure a.
4:1. Requirements for welds
4.1.3.1 Types of welds
aag4d
Forth purpose ofthis Standard, welds shal be assed as groove, filet, plu, or lot welds
41342
‘complete joint penetration groove weld i defined as one having fusion of weld and base metal
‘throughout the thickness ofthe jl.
For adaonal condition dfing complets ont penetration welds that are considered a prequaliig,
see Clause 10.1.1
Joints welded from one side forthe fl thickness of materi and
28) utsde the provisions of Clause 20.1.1;
1) where this welding involves the ute of backing material ther than tee
1} where mo backing is used, but where welding le dane by a" casistion welder,
‘may be given the status of complet joint penetration welds only when qualified in accordance with
appropriate provisions of CSA W47.1 (except fr flare bavel groove welds, see Cause 4.3.16).
Upon similar qualifation, the same status may be given to joints welded from both sides without back
‘outing provided thatthe use of such ints is approved by the engineer. The engineer may require
Bedtlonal quality control measures in production a5 a condtion of Rs approval
Mey 2018 12 2018consin toto Aiton 29sore oles conaracton
4aaaa
‘> pata joint penetration groove weld is defined as one having joint penetration less than comple,
For adétional conditions defining paral jolt penetration groove welds that reconsidered
Prequalified, se Clause 10.12.
443.4
Flare groove welds shall eas defined in Clause 43.15 see also Annex),
4.13.2 Continuity of welds
4ag24
‘Groove welds shall be continuous forthe fl length of he jin, except as provided in Clause 4.1.3.2.2
‘or as otherwise permitted bythe engineer.
41322
Members of an assembly connected by groove or filet welds throushout their length may, a pln of
‘external framing, have ational welsng to accommodate the external load, bu this need not be
continous forthe ful length ofthe members,
41323
Filet welds may be continuous or intermittent. Fot restrictions onthe use of intermittent filet welds in
‘yccalyloaded structures, see Clause 12.414)
441324
‘Al corners of ots provided fr filet weld shall be rounded and the filet welds shall extend completely
‘round the periphery ofthe sts (see Clause 4.4.2.3) fillet weld along ony one side of he slot may
be used ont when specfied or approved bythe engineer.
4.1.8.3 Use of welds
4133.4
Groove and let welds maybe sed transmit any combination of loads using the factored resistances
23 defined in Clause 11.3 for stateallytoaded structures ora defined in Clause 12.3 foreplay onded
Structures.
41.332
‘Snge filet and singe partial joint penetration groove welds shall at be subjected to bending about
‘he longitudinal ad ofthe wed if produces tension atthe root ofthe weld
41333
Fillet welds may be usd in joins with fsion faces forming an incuded angle of 60" to 135° (see
Figure 48), Angles less than 60" may be used; however, in such cases the weld shall be considered tobe
pati joint aenetaton groove wel. For anges over 135, let welds shall ot be relied upon to
transit calculated loads (see Clase 45).
30 (©2010 nein Standards Acciation Mey 201841334
Plug and slot weld in ap joints may be use to transmit shear or to prevent buckling or separation of
lapped pants, except as governed by the provsins af Clause 12414) Plug and slot welds on
‘quenched and tempered stels maybe used only with the express consent of the engineer.
4.2 Design values
‘The factored resistance for base and weld metal fr stataly loaded or cyclically oaded structures
‘proportioned by limit states design methods shal be as given in Clauses 1132 or 123.2, respectively,
For eyical-oaded structures, where applicable, the allowable ranges of stresesin the base and weld
‘metal under the specie loads sha be as gv in Cause 12.34
"Note: To reference te alowabl ses design nfomaton onthe allowable sree fo bate metal ad the
lemoble stresses on eect tretoreas of welds or Stately or eeeay loaded tures se en §
43 Effective weld area, length, throat, and fillet size
43.1 Groove welds
43.1.1 Effective weld area
The effective area of groove weld salle the elective weld length muted by the effective throat.
4.3.1.2 Effective weld length
‘he effective weld length for any groove weld, perpendicular or skewed tothe direction of stress, shall
be the with ofthe pat joined,
4.3.1.3 Effective throat for complete joint penetration groove welds
The effective troat of a complete jeint penetration groove weld shall be the thicknes ofthe thinner
pat jlned. There shall beno increase in elfective throat for weld relforcament
4.3.1.4 Effective throat for partial joint penetration groove welds
The effective throat of partial joint penevation groove weld for joint with no root opening shall be
the depth ofthe chamfer tess 3 mm (1/8in for grooves having an included angle athe root ofthe
roowe less than 60" but not less than 45"
The effective throat of part ent penetation groove Weld shal be the depth of chamfer for grooves
having an nuded ange atthe root ofthe groove of 60" or aeater ee Figure A)
4.3.1.5 Effective throat for partial joint penetration groove welds with reinforcement
The effective throat for shearing forces of 2 paral jint penetration groove weld enforced witha ilet
wed shal be the shortest distance Between the rot ofthe groove andthe surface of the filet less
3mm [1/8 in), where such reduction is required by Cause 4.3.1.4 (se Figure A.)
When a patil joint penetration grove weld reinforce with filet weld i subjected to tensile forces
normal othe axis ofthe wea, the factored resistance shall be gven by the expression in Tale 11.2
Wherein Ay shall be determined by the foregoing effective throat ines the wel length,
4.3.1.6 Flare groove welds
Note: Cause 43.61 not applicable tothe fbn of pen web tee ot
Mey 2018 (©2010 cain Standards Aston a4.3.1.6.1 Flare bevel groove welds in butt joints
431.644
2 fare bevel groove wold in 3 but inti the joint configuration formed between a member with 2
‘curved surface and an edge of a planar membe [e, suchas the jin formed between th curved
‘come ofan HSS truss chord member, tubing, or round bar andthe end wall thickness ffl faced
SS web member (see Figures 8.2 and 4.3 and Annex)
431.612
Fare bevel groove weld in but joints made fram ane sde may be designed as partial or complete joint
‘enetration groove welds. Only welds on backing material shal be considered complete joint
‘enetration groove welds (ee Figures 82 and 43),
431.613
Flare bevel groove welds butt joints made onto backing bars shal be considered to be complete joint
penetration groove welds with an effective throat equal othe lzzr ofthe thickness ofthe plana edge
‘or the wall thickness ofthe HS member (se Figure 4.2)
431.614
‘The effective throat for partial joint penetration flare bevel groove welds in butt joints shall not be
eater than the wall thekess ofthe HSS member or 60% ofthe thickness ofthe planar ede (see
Figure 4.3).
431.615
Where, fora given set af procedural cndltions, the contractor has established that he/she can
onsistenty provide larger measured treats than these ven in Cause 4.3.1.6.1.4, the contractor may
tablish such ger effective tvoat by qualifeston (ree Caure 4.3.6.1.
43.16.16
(Qualification requred by Clause 43.16.15 shall include the sectioning of a text ssembly ofthe curved
surface}, normal tots as, ata location 80 mm (2a) from the stat ofthe weld to ensure that the
effective throat is achieved in production, Such sectioning shallbe made ona numberof combinations
lof materia shes representative ofthe range ved by the contractor The qualifation procedure and
ny changes tothe estective throat habe acceptable tothe engineer
43.
2 Flare bevel groove welds in T-joints
431.624
‘fare bevel groove weld ina Tein shal be considered 3 the ont configuration forme between 2
‘member witha curved surface and a sutface ofa planar member 08 Figures an 4).
431.622
Fare bevel groove wel in eins made on ound bas or tubing having rai less than or equal to
10 mmi3/8 in) or on square/rectanguar HSS members (including 90" Hens informed sections) having
‘measured corer rai es than or equal to 10 mm(3/8 in) may be designed and detalles filet welds
‘but referred to as lare bevel let welds. The oot of sucha filet weld shall be assumed ta be the
Intersection ofthe planar surface an a tangent tothe curve ofthe fae thats perpendiar ta the
planar surface (see Figure 4,
2 12018 cenion Std section My 2018For welds not designed a fle, the throat shall be established through qualfistion eee
Clause 43.15.28).
43.1623
Flare bevel groove welsin Tots made on round bars or tubing having radi greater than 10 mm
(3/8 in) or on square/ectangular HSS memiets having fad greater than 10 rm (3/8 in], need not be
lsh ith the tangent othe curve ofthe fare that sperpendular tothe planar surface see
Figure 43). The wel may be entirety within the are, fush with it or extend beyond it by means of
filet For design purposes, the efflecve throat shal be indicated by specvng 3 weld face greater than
lor equal to. factor of 6 tines the required effective trot, subject to the folowing tra
2) For the SMAW process factor §= 17
1) For the SAW, FCAW-<, MCAW, and GMAW processes, factor 8 = 15.
©} The eective throat shall be indeated onthe welding symbol in brackets tothe aft of the Hare
bevel weld symbol an the weld face width (W) noted below the flare bevel symbol (see
Figure 5). A etal showing the weld face shouldbe provided onthe shop drawing,
1)The obtuse angle between the weld surface andthe planar surface salle greater than or equal
090" andes than or equal 0140" (8 Figure 4)
) For the GTAW proces, the contractors engineer shall determine the rlatonship between a
‘greed factors through testing
43.16.24
‘where, for agen set of procedural conor, the contractor has ertablihed that he/she can
consistently provide larger measured thvoat than those given in Cause 43.1,62.2 oF 43.1623, the
contactor may establish such larger effective throats by qualification eee Clase 43.6.2),
43.1625
The effective throat for fare bevel groove wel in joints using round bars, tubing or HSS members,
en ile Tush to the surface ofthe round bar, tubing, or HSS members, shal be shown in
Table 4.1 Alternate at the option ofthe engineer, Clause .3.1.6.2.3 may be applied
43.1626
Where, fora given set of procedural contons, the contractor has established that he/she can
consistently proude larger measured throat than thoze shown in Table 4, the contractor may
‘establish such larger efecve tvoats by qualifation (se Cause 4.3.1.6.)
43.1.6.2.7
Where the required effective tvoat of flare bevel groove weld in aToin using a round bar, tubing,
lor Hs member i less than that provide by the wellle Mush tothe surface ofthe round bat, tubing,
‘Ss member the contractor may establish the required size by qualifeation (ee Clause 43.15.28)
Inno case sal the provided eective throat be less than that shown n Table 4.2
43.1628
‘Qualification requited by Clauses 43.1622, 43.1.62.4, 43.16.26, and 43:2.6.27 shall inclu the
Sectioning of atest assembly ofthe curved surface}, normal ose, at location SO mim (2) rom
‘the start ofthe weld to ensure thatthe elective throat achieved in production. Such sectoning shall
be made ona number of combinations of material sizes representative ofthe range used by the
‘contractor. The qualifeaton procedure and any change tothe effective threat shall be acceptable tothe
engineer.
Mo 2018 1 2018 Condon Sond Aaleion 334.3.1.6.3 Flare V-groove welds in butt joints
431.631
Fare V-groove welds can occur in ether of two configurations. One configuration resus from the sie
byside ongtudinal entact between two curved surfaces (eq, the Joint farmed by side-to-side round
bars, tubing, or HS members; See Figure 46). The other configuration i the result ofa bevelled edge of
a planar surace butting longltudnally longa curved surface (eg, joint formed by the edge of pate
and 2 smaleradus corner of an HSS meme, wit zero root gap, whereby the required penetration can
be achieved only by beveling the edge ofthe plate to form a Vee Figure 7}.
431.632
‘The effective throat of lar V-groove weld on ound bars, tubing, oF paired HSS members, when filed
hush tothe surface, shall be as shown in Table 4.1, except that forthe GMAW process for rai 212 ym
(U/2in, the effective tvoat shal be equal to 0.375 times the bar radius 2 Figure 4).
431.633
Where, fra given set of procedural conditions, the contractor has estabished that he/she can
consistent provide larger measured throat than those given in Table, the contactor may extablich
Such larger effective threats by qualfcation see Clause 3.1.6.3.)
43.16.34
When te requles effective throat o flare groove weld se than that provided by the weld fled
flush tothe surface of the bars, tubing, o HSS members, the contractor may establish the equres Weld
siz by qualification [see Cause 43.16.35) Inno case shal the provided effective throat be less than
‘hat own in Table 42,
43.635
Quaification reuired by Causes 43:1.6.3 and 43.1.6..4 shall include the sectioning of test
‘assembly ofthe curved surfce(), norma ots ax, ata location 50 mm (2 in) from the start af the
‘weld to ensure that the effective treat Is achieved in production. Such setoning sal be made on a
‘umber of combinations of material sizes representative of the range used by the contractor The
‘ualfcationprocecure ana ay changes to the effective throat shal be acceptable to the engineer.
43.2 Fillet welds
The effective length of let weld shal be the overall length ofthe fullsize filet, inclaing end returns
"No reduction in etecive length shal be made for either the start or termination ofthe waldf he weld
| fullsize throughout is length
saza
‘The effective length of» curved filet weld shall be measured along the centiline ofthe effective
‘throat the weld area of flet weld ina hole computed from ths length is reater than the area
{ound trom Clause 43.3, then this latter area shall be used a the effective area of the let weld
a (©2010 canadian Standards cation Mey 2010sa24
The effective throat (shall b the shortest stance fram the root to the face of the diagrammatic
wold for al processes excent SAW.
The effective tvoat for submerge ate welding may be considered the equivalent of the next larger
filets, up to 2 mm as requires (1/16, provded tha the legs ate of uniform sxe and the welding
procedure has been proven to produce sulcent penetration that the acta tvoat is atleast
‘equivalent tothe cograrmatetvoat ofthe next lager filet sz. Hewtever,the design documents shall
Show the theoreti filet size required, The actal ste shall be nat les than the minimum required by
Table 4
4325
‘The relationship between the effective sizeof the filet weld (Seq) the measured sizeof he file weld
(5) the rot opening, an the ange between fusion faces shall be as defined in Figure 48, The
‘measured sze ofeach fil (3 shal be the smaller of the two leg sites. Rook openings less than 2 rm
(1/86 in) may be neglected
4.3.3 Plug and slot welds
‘The effective area of a lug or lt weld shal be the area of the hole inthe plane of the fying surface,
when welded in sccordance with ouse 44.23
4.3.4 Minimum groove depth for partial joint penetration groove welds and
‘minimum length and size of fillet welds
4.3.44 Partial joint penetration groove welds
43444
‘The minimum groove dept of single parti ont penetration groove welds or on each side of double
para jane penetration groove welds shal be in accordance with Table 3. The effective throat shall
be as defined in Clauses 43.1.4 and 43.15. (See Figure A)
43442
When combined with filet weld the dapth of groove forthe partial penetration groove weld,
whether singe or double, shal be sch thatthe effective throat of the combined weld shal be nt ise
than
2} that compatible withthe requirements of Table 4.3 for such grooves or
1) the minimom filet sce ae require in Table.
4.3.4.2 Fillet welds
43424
‘The minimurn filesize as measured shal be as shown in Table 4.4, excep that the weld size need not
exceed the thickness ofthe thinner part joined, unless larger siz is equied by calculated stress. For
this exception, particular care sal be taken to provide suilen heat np to ensure weld soundness
For welding of attachments to members that do not carry calculated stress, the requlrements of
Table 44 need not appl.
My 2018 (©2018 cman Standort Action 3543422
‘The minimum effective length of let weld shall be 38 mm (1-1/2 in) or time the eof the filet,
whichever i larar,
‘Where the geometry ofthe joint makes it impossible to deposit the minimum effective length the
‘effective filet ze shal be 0.25 tes its effective length
44 Details of fillet, plug, and slot welds
4.4.1 Fillet weld details
4aaa
“The maximum effective sizeof let weld tobe assumed in desin shall be such that sresesin
djacent base material do not exceed those permed
4442
The maximum filet weld size detailed along the edges of material shall be
2} the thcknes ofthe material for material ss than & mm (0/4 thik se Figure 4.12 detail Al
1b) 2mm (2/180 ess than the thickness of materia for material 6 mm (1/4 in or more in thickness
{ece Figure 4.12 etal 6, uniess the welds designated on the deta drawing tobe bit out to
‘obtain fll hvoat In the aswelded condition, the dance between the edge ofthe base metl and
‘the toe ofthe fllet maybe less than 2 mm (1/16 in), provided thatthe weld ee clearly
verifiable
4443
Fillet welds in holes or sot may be used to transmit shear o o prevent bucking o separation of
Jained pans let welds oles or sot shall nat be considered plug or slot weds In any case the
provisions of Clause 4.3.23 and of other clauses related ole welds should app.
The diameter ofthe round hole fora filet weld should be sc times th filet sie, Aclameter less than
she imes the filet size may be ued, provided that adequate root fusion i obtained. In any ese, the
ameter shall be not less than the thickness ofthe part containing plus & mm (5/16)
“The minimum width ofthe sl shall be the thickness ofthe part containing plus # mm (5/16)
“The ends ofthe sot shall be semiircular or shall have the comers rounded toa ras nat lees than the
thickness ofthe part containing, excep for thse ends tat extend to the edge ofthe part
44.2 Plug and slot weld details
Note See Anne 8 fo adrenal nfermation on pl ond a welts
sara
‘The minimum ameter of the hole or a plug weld shal be the thickness ofthe part contsining it pls
{8 mm (5/15 ie). The maximum diameter shall be the thickness ofthe part pus 32 mon (7/16 in) 2-1/4
‘ims the thickness ofthe par, whichever Is greater. The minimum centre to-centre spacing of lg
‘welds shal be fur times the ciameter of the hole Leer spacing may be used when spect or
approved bythe engineer.
36 (©2018 cneion Stnderts recioion sy 20184422
‘The minimum width ofthe st shall be the thickness of the part containing it pls 8mm (5/26 in). The
macimum width ofthe lot stale the thickness ofthe par pls 12 man (7/26in] or 23/4 times the
thickness ofthe oat whichever i greater.
‘The masimurn length of te slot sha be ten times the thickness ofthe part. Lengths exceeding ten
times the thickness may be used when species or approved by the engineer.
‘The ends ofthe sot shal be semicircle.
‘The minimum centre-tocentre spacing of slot welds in a dteton transverse other length shal be
four times the width ofthe ot The minimum eentre-t-centre spacing of st welds ina direction
parallel to their length shall be two mes the length ofthe ot Lesser spacing in both dections may
‘be used when spectied or approved by the enginaer
4423
‘The depth of filing of plug and slot weld in parts 16 mm (5/8 in) thik less shall be equal to the
thickness ofthe pat In parts over 15mm (5/8 in) thc, it shall be atleast 0.5 times the thickness ofthe
par, but not lass than 16 mm (5/8 in lesser depth of fling may be ued when specie or epproved
by the engineer.
4.5 Welds in skewed joints
45a
‘The trm “skewed joints” applies to nonorthogonal T- and corner joints. Welds between fusion faces
forming angles over 138" and under 30" shall not be used to cary clelated loads, unless acepted by
the engineer (see Cause 45.5),
452
‘The geometric relationships for welds in skewed las ar represented in Figures 48 and 49,
453
Standard welding symbols might not be sufcien to cover skewed joints. Skewed jints may lo be
Setalled on sketches showing desired joint, weld configuration and se, the effective throat, and at
‘ther pertinent detls see Figures 4.8 and 49) For anges between fusion faces from 60" to 135"
Inclusive the ingiaton ofthe effective throat sna required (se Cause 4.3.)
454
‘The minimum weld sie for a skowed joint shal provide a wel cross-section ares equivalent to that
etermined in accordance with Tabe 4 fora even base metal thekness,
455
For obtuse dihedral angles, a preparation may be provided to obtain the desired effective throat (ee
Figure 49). n particular, a preparation may be used to allow the weld teary calculated load when
neal angles exceed 135",
If preparations used, all applicable provision for gat joint penetration groove welds shall be
follows.
My 2018 (© 2010 conan Senders Aiton 37ws Wold coercion
456
“The relation between dinedral angle andthe effective throat shal be 3 lows:
8) 60" 505135" the effective throat (shal be considered equal tothe theoretical twat (7) (se
Figure 8);
1b) 45° 0-60" the lfctve throat shall qual the theoretical throat redced by 3 mm (1/8),
unless larger effective throat i established through procedure qualifiaton (se Figure 4.8) 2nd
6) €1<45" the effective throat shal be established through procedure qualification (see Figure 4).
457
‘ith the exception of joints in accordance with Cause 45.6), skewed joint may be deemed
prequalified, povided that all applicable requirements concerning joint geometries, processes, and
Positions a5 defined in Cause 10 re met.
46 Fillers
464
Filer may be used in
4) splicing of pares of ferent thicknesses; and
1b) connections where, due to essing geometric alanment, offsets must be accommodated to permit
simple framing
462
2 filer of 6 mm (1/4 in) ores in thickness sal not be sed to transfer stres, but shall be ket ash
with the welded edges of the stres-carrying part. The sizes of welds long such edges shall be
Increased over the eguied sues by an amount equal the thickness ofthe filer (ee Figure 4.1),
463
‘filer over 6m (1/4 nn thickness sal extend heyond the edges ofthe splice plate or connection
‘materiel an shall be welded tothe part on whichis ted with suffllnt wel to transmit the splice
Bate or connection material stress. The wel joining the spice plate or connection material to the filer
Sha be suflent to ansmit the slice plate or connection materi stress and shall be long eneugh to
{avoid overstressing the filer along the toe ofthe weld (see Figure 4.1).
4.7 Seal welds
aga
Seal welds are intended primarly to provide a degree of tightness against leakage. Seal welds are not
strctual welds Therefore, seal welds shall nt be included in any tength calelations andthe
requirements of Table 43 or 8.4 need not apply. Seal welds shall be spactied by indeating the term
"eal weld inthe tal ofthe welding symbol. Since seal welds may cary stress, uve consdertion shall
be given to weldment deta eg, possible edstrbution of stressor for eye loading
472
When structural welds ae ako intended to provide abarlr against leakage, they shal be detaied for
such purposes. The use of the term "seal wel shall not be used to describe structural welds. Structural
‘wel intended tobe leak tight shall meet il te provisions ofthis tandar.
38 (©2018 candi Stands Acton Mey 2018473
The us of Causes 47.1 and 47.2 doesnot necessary guarantee a specie degre of ek tightness
When leak tightness is crtcal tothe performance ofa sroture, appropriate esting should De
perlormed,
‘Table 4.1
Effective throats of flare groove welds filled flush
(Gee Clauses 43.1.625,43.16.26,43.16.2,and 431633)
Radius, Flare bevel groove welds Flare V-groove welds
Re i0mm ‘See Cause 42.1622 ;
> 10mm o3R osat
* Ne applicable to GMAW using the short ckeuting ranefer mode of metal deposvon.
1 Except 0.375 R fr GMAW process with Roreoter than or equa to 12 mm (1/2.
Noe: = reso rend ar bing, or measured corer ra of HS member
Table 42,
Minimum effective throats of flare groove welds
(Gee Clauses 43:1.62.7 and 43.1634)
Flare bevel groove welds Flare V-groove welds
0258 oR
1) The eof ny snl pass wer these of theft pass of matinee wad sal be sch ae 2
Ini the oss of cocking.
2) frou fund br utng or measured corer dus of MSS member
My 2018 (2018 Cenion todos Asian 39Table 4.3
‘Minimum groove depth for partial joint penetration groove welds
(not combined with fillet welds)
(Gee Clauses 434.1.1,43412,47.1,10223, 10323, 10423,and 10523)
Minimum groove depth*
bevel grooves J Uearooves
Groove angle | Groove angle | Prequalified
“Thickness ¢ Sasrand 60" | S60" sroove geometry
mm [on mm [my [mm | Gn) mm | inp
ea tie @ [sae [s fans [5 [ans
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ao25 mm Tin)
‘Remave to 25 mm in) depth andrews
* Maximum aggregate ength of repair welds (remova” constitutes repr) permitted is 20% of plote
{ength, over 20%, opproval ofthe engineer sl be require.
1 No remedial work shal be coved out without the approval of the engineer.
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Mey 2018Table s.4*
Carbon equivalent and minimum single-pass fillet weld sizes to eliminate preheat
(SAW only)
(See Clause 572.2)
Carbon equivalents
Plate thickness 035 [oso [oss [oso [055 [0.60
ta [2 welded of = 407 mm —[&mm —[&mm [20mm [40mm —| 42 min —
(est/2weided tore 11/24) | 5/2610) | 6/16) | (5/1619) | /8in) | (378m) | 4/216)
Yo 12 welded wo r= 40 Sam [Smm [10mm [10mm [1mm —|iémm
(oawelded rere ry/24) | 5/16.) | (761) | 8%) | B/N) [0/2 | 6/8 in)
The provisions of thie Table donot apply to Q and T tel.
Cys Cotte /er(eraon¥) 7 50{MnCa) / 15.
‘nw international Intute of Welding).
The analysis used in determining the carbon equvolent may be obtened fram
1) onoys ofthe plate materia
2) the mil test cerfeates: or
)_the material speffeation using the maximum composition allowed In the specfcion
' For ASTM AS72/AS72M, Grodes 60 and 65, and CSA G40.21, Grades 400W, 400WT,A0OAT, 80W, and
SOW, his thickness is 20 mm (3/4).
Note See Aes P for ian
Table S.5
‘Workmanship tolerance for groove welds
(Gee Clause 545.1)
Root not gouged Root gouged
1 Root face ofjant e2mm —_(21/16in) | Notlimtea
2 Root opening of joint without | s2mm ——‘(a/6iny_— [Ram a/b la)
Steel backing
“3mm Fysin)
‘ect opening of joints with steet | 46mm ———(44/4in)-_—_| Not applicable
pecs 2mm antein)
3: Groove angle of joint ae ae
. =
70 (©2018 cana Stnderds section Mey 2018+)
Figure 5.1
Weld access hole dimensions
(See Clause $3.8)
cig aa etna
roy
Nosed .
i (ote)
Tease
faite aafeme
Mes Leis) roe
! ew
Optional method for
‘making omer as
oie sone | wa 7
_rooe welded shape riers ene
1) "Far ASTM AR/AGM and CSA G8020 Group 4 and stapes ond welded bul. up shapes with web thickness
‘nove than 38 1/2) great 65° [150 7} port thermal eating, ond nd and inspec!
tmermoly cot espero oro hole sing magnetic parte ode penerotion methods ir to making Web
‘and flonge spe wel.
2) elute roi sooth nteh free tronstin: R10 rn (3/8) pl 12. (1/2
53} ewer opening made fer lin wed flange
1) Access opening mas before welaing web 0 long. Wed no retumed though pening
5} Tse are eal etal forjnts weld from onesie against stel ecking. Alene ot designs oud
beconsaeed
16) Pr 20m (9/4 nar eb thickness) whichever greater
Mey 2018 (© 2018canaion Sandor Asotin 7Figure 5.2
Depth, width, and width of face in welds
(Gee Clause 551.5)
2 whom BS fon J
2) shams weld showing 8 shamatiot wisp sowng
Set cpanel ‘Sather oa
(©2018 cana tndrt Asciation Ny 2018Figure 5.3
Acceptable and unacceptable weld profiles
(See Clauses 59.1 and 5.93 and Figures U2, U.3,and US)
etc ace tae
nathafthe wlfr nolo pct,
om bin
2) Desirable Flee We Profiles
f FF Siete 7 er racine
db ===
fe
SOAS
sue! seo)
9 Unacceptable Flee Weld Prafe
Note: freer ha
roteceed Som 8
4) ceptable Groove Weld Proilsin Batons
£eSt EY ERY ERI
9 Unacepable Groove Wel Profs in Bt Jin
Mey 2018 (© 201 candin Sandan Action a1wore Wold sto crsracton
6 Stud welding
ote: louse contains the mandotory provisions fo td welling tobe wed under ths Stondord. Motrs
‘equrersents nd stud bose guaiieoton requirments oe icluded in es
6.1 Scope
Clause 6 stpulates speci requirements for
43} workmanship, echnique, preproduction testing, operator qualification, and appiation
‘ualfcation testing when required; and
1b) inspection and rept equicements of stud welding uring production.
6.2 General requirements
624
Studs shall be of «design stable for ar welding to see! members with automaticaly timed stud
welding equipment. The typ, sze or diameter lorgth, ad lestion of studs shall be as specie by the
onericion and design documents, r special proweons as approve by the engineer see Figure H.?
for dimensions and tolerances of standard type shear connectors,
‘The minimum distance rom the edge of the stu to the edge ofa flange shal be the diameter of the
stud plus 3 mn (1/8) but peferebly not les than 38mm [1-1/2 in unles specified otherwise on the
design document
622
An are shel fru) of heat resstant ceramic or other suitable materia hall be urished wth each
ud
623
[A sutable deouldaing and are stabiling Mux for welding shall be furnished with each stud of 8 mm (5/
1 in) ameter or larger Studs les than 8 mm {5/16 nn eameter maybe furnishes wth or without
fox
624
‘iy studs with stud bases quale in accordance with the requirements of Clause H4 shal be use
‘ha ashe used in production shall be the same type a Used in st base qualification tess ores
recommended by the manufacturer.
62.5
[At the option of the purchaser the contractor shall be required to submit studs of the types used under
‘the contract for check quafiction in accordance wit the procedures of Cause. The contractor
‘shall be responsible forthe performance ofthese tess. tthe option of the purchaser tests may be
performed by the contractor or the stud manufacturer
6.3 Stud application qualification requirements
6.3.1 Prequalified positions
Studs that ae shop of fl applied in the fat (own-hand) postion toa planar and horizontal surface
re deemed prequsifed within the extent ofthe manufactiers sud bate quafeation tat (Annex Hi)
and no further testing i required other than the procedualcontras of laure 6 and inepection|
a2 (©2010 canadian Standards Accaton ay 2018requirements and reparproceduesof Cause 6.6. The lint of lat potion is defined a 20" to 15°
Slope onthe surface to which the stud I apeled
6.3.2 Non-prequalified stud applications
Non-prequalifed stud applications that require tests ofthis section shal be
2) studs that are applied to nonplanar surfaces or to fat surface ina postion other than the flat,
1b) studs that are welded through decking the tess shouldbe done with materials representative of
the conltons to be uses in constrton); and
6) studs welded to materials other than steel groups 1,2, or 3 sted in Table 1.1 oF 12:
‘The contractor shal be responsible for the performance ofthese tests. Tests may be performed bythe
contactor or the stud manufacturer Witnessing f these tests by the CW is non-mandatory.
{6.3.3 Base material for qualification tests
Test specimens shal be prepared by welding the studs being qualified to specimen plates of SA G40.21
3000 (44W) steel or any ther material sted in Table 11.1, Groups 3, 2,03.
6.3.4 Test variables to be recorded
Weld position, nature of surface welded to, curent, and time shal be recorded,
6.3.5 Test specimens
Ten specimens shal be welded consecutively using recommended procedures snd stings foreach
ameter, postion, and surface geometry.
6.3.6 Bend tests (nonthreaded studs)
‘Alten specimen studs shall be bend tested by being bent 90" rom thelr oxgina axis. A stud application
Stall be considered quad if al tan specimens pass. Fracture may occur in the plate or shape materi
forthe shank ofthe stud but notin the wel
6.3.7 Bend tests (threaded studs)
Five specimens shall be bend tested in accordance with Clause 6:36.
6.3.8 Torque tests (threaded studs)
Fve specimens shall be toque tested using 9 torque test arrangement thatissubstantily in
secordance with Figure 6.2,
6.3.9 Acceptance criteria
‘stud application for threaded studs shal be considered qualified if all five ber tests of Clause 6.3.7
satisfy the crteria of Clause 6.3.6 and, n adstion the five test specimens of Clause 63.8 are torqued to
estruction without alice in the wel
6.3.10 Replacement of end tests (threaded studs)
‘The contractor or stud appieatr may, at hsfher option, authrie the ben testing of toraue testing of
allen specimens in eu of bend testing hve specimens and torque testing ve specimens
Mey 2018 1 2018conadan Standards Action 9363.11 Test data
Application qualifeaton tet data shal nelude the following
2} rawings that show shapes and dimansions of studs an arc hel;
1b) a complete description of stad and base materials anda derrption (pat number) of the are
Shel and
©) Welding postion and stung (cure, tine
‘recor, including al test ata, shal be made foreach qualification. Ths record shal be maintained for
ach contract.
6.4 Technique and workmanshi
aa
Studs shall be welded with automaticaly timed stud welding equipment connected toa suitable source
of dreccurent straight polarty power Welding voltage, current, ine, and gun settings fort and
lunge should beset at optimum settings, based on pas practice recommendations of the stud and
‘equipment manufacturer, or bath
oan
"wo or more stud welding guns are to be operated from the same power source, they shall be
Inteiocked so that only one gun can operate at atime ands tht the power source has uly recovered
from making one wed before another weld i started
643
Wile in operation, the welding un shall beheld n postion without moving unt the weld metal has
soled
644
tthe time of welding, thestus shal be ree from rus, ust pts, ol or other deleterious mattr that
‘would adversely affect the welding operation.
645
‘he stud base shal not be altered by panting, galanizing, or eaemium plating pir to welding
646
‘he areas to which the studs are tobe welded shall be free of scale st altura other injurious
‘material to the extent necessary to obtain satisfactory welds, These areas may be sutabl cleaned by
‘wire brushing, scaling, nding. or other suitable methods
‘The suitability of he surface conditions fr stud welding shall be assessed by implementing the
requirements of Cause 55,
6a7
“The arc shields or ferrules shal be kept dy. Any ar shields that show sgn of surface moisture frm
dew oF rin sal be oven red at 120 °C (250°) for 2 h before use.
4 12018 cennian Sonor Aaccon Mey 2018,aN
648
When the base metal is below =18 °C(0"F), welding of studs may be done only with the expressed
‘consent ofthe contractors engineer Welding of studs shall ot be done when the surface s wet or
‘exposed to fling rain ar snow. When the temperature ofthe base metals below 0°C (32), one
_dstional stud in each 150 studs welded shall be tested by methods specified in Clauses 6.4 and
{555, except that the angle of testing shal be approximately 15° These tests aren aon tothe fst
‘wa studs tested for each tart of new production and te those require by Clause 86.
649
Longtudina and aterl spacing of stud shear connectors with respect to each other and to edges of
beam or gleder flanges may vary by « masimum of 25 mim (in) from the locaton shown onthe sign
documents while maintaining povisans fo minimum adge tance. The minimum distance from the
tego ofthe stud tothe edge ofa ange shall be the diameter ofthe stud plus 3mm (1/8in) but
Dreferably not les than 38mm (1-1/2 in). The accuracy of laation of other types of studs shal be such
sto permit a workmanlike assembly of attachments without alterations o reaming,
64.10
‘After welding are sields shal be broken free from shear connectors and anchor studs and, where
practical, fom al other studs
ant
Std welds shall exhibit flash around the ful periphery ofthe stud.
Note: The expels etal arzund the base ofthe tu devanted a flo Ocordance with the dfn of
[shin Agar. ot et wed fred by convntanal re weld. The erpeled met whichis excess ©
{he weld equted fo strength, nox detrertl bt onthe contro resent t prove o 900d we The
Contarment of is excess melten meta around welded stu bythe fer oe heat i scirig sun
{ison of he entire cross section of the sd bse
"he stad weld sh ay hove nofon nk eta eg and over on ts hontai ay contin
ccesonl smal shintage furs ar cecartntis that fom othe fp ofthe wel ech with etn rosa
{lonatuaial orientation, bath tthe xs ofthe tu. Such nonfat ei ofthe los ond eal
Shonkae sures moy be acepabe
6aaz
When welding directly to base meta the base meta shall be not thinner than 1/3 ofthe stud dame
oats
‘Studs to be used in composite beams costing of tel sections or ots ntrconnacted with acellular
Stel deck with conerete cover slab may be welded through a maximum of two ses ack sheets. Each
thet shal be not more than L.7 mn (2067 in) in thicknes, inching in-conting to'9 maximum 2275,
(680) (sro 824/A9240M). Otherwise, holes through the Sheets shal be requied for placing su
Inspection of studs shall conform to the requirements of Cause 6, with procedural controls having
been previously established in accordance with Clause 65.
aad
‘Ate option ofthe contractor, studs may be filet welded provided thatthe following requirements are
2) The minimum filet sie tobe used sal be the larger of those requied in Table 4. oF 6.2.
1) Welding sal be done with w-hydrogen electrodes
My 2018 (©2018 canadin Standort sition as©) The stud base shal be prepared so thatthe outside circumference ofthe stud fits Ugly aglnst
the bace metal
4) Te surfaces to which studs ae o be welded shall
ofthe stud hal alo be cleaned
©) Tae base metal to which studs ae welded shall be preheated in accordance with the requirements
of Tables,
Tre isual acceptance criteria shall met the requirements of Clause 5.8
9 the quirements of Cause 5.3.1. The end
65 Procedural controls
634
‘The contractor shall maintain documentation covering recommended welding parameters for tud
wong, Such 25 current, ime, it and plunge settings, ss well a orate pertinent requirements of
this section,
Note Acceptance by the G8 of sch documents nonmandoton
652
Before production welding witha particular set-up and with a given ste and typeof stud, and a the
‘beginning ofeach dy or shit's production, testing shal be performed on the rst two sts that are
‘welded. The stud welding technique may be developed ona separate pece of materia similar tothe
rosuetion member in thickness and properties actual production thicines ent avaiable, the
‘hekness may vary 225%. al test studs shal be weed inthe same general poston as required on the
production member. Tests on decking shal be done on the sae decking materials a hore used in
production.
‘A the option ofthe contractor the fist two test studs may be welded onthe production member
except when separate lates are required by Clause 65.6.
653
The stud welding set up sal incude the stud gun, power source, sus diameter gun ft nd plunge,
total electrode lead length, changes greater than 5% in current and te, and a decrease base mel
temperature greater than 15°C (27).
634
‘The test studs shall be visually examined. They shall exhibit ash around the fll periphery of the stud
655
In sdtion to visual examination, the test shal consist of bending the studs, after they ae allowed to
‘00 to.an ange of approximately 30" from their original aes by either striking the studs witha
hammer or placing a pipe or other suitable hollow device over the stud and manually or mechanically
bending the stud. At temperatures Below 10°C (50), bending shall preferably be done by continuous
slow application of load. For threaded stu, the torque test of Figure 6.1 and Tale 6. shall be
bred forthe Bond tert,
656
¥ on visual examination the test studs donot exhibit 360" flash orion bend or tou esting failure
‘occurs inthe welded zone of either stud the procedure shall be corrected! and two more studs welded
and tested ona separate plate
26 (2018 cansin Sanders Aiton ey 2010Additonal test welding hal be continued uni two consscitive studs are tested and found satisfactory
‘we consecutive studs shall then be welded tothe actual member and teste,
‘The results ofthe testing shal rove to be satisfactory pio to continuation withthe prosction
‘welding ofthe studs. Ifthe tests onthe actual member donot prove stisactory,srocedures hal be
Corrected by use of sample materials beore two consecutive stud welds are again attempted onthe
Sctal member in accordance with the above,
65.7
(Once production welding has hegun, any changes made tothe welding stp as determined in
Clauses 65.2 and 65.3 shall require that the testing n Cavies 65.4 and6.55 be performed prior to
resuming production waldng.
Where changes in base metal thickness are greater than 25% of the Ital thickness tested on the
reduction work the fist two studs onthe eiferent production thickness shal be tested by bending to
the requirements of Clause 65.5.
658
‘Te preproduction test required by Clause 6.5.2, sucessful shal aso serve to qualify the stu
welding operator
659
Before any production studs are welded by an operator not involved inthe pre-production set-up of
Clause 65.2, the operator shall wel two studs and test them in accordance wth the provision of
Causes 6:54 and 65.5, When the two welded studs have been tested and found satisfactory, the
operator may then weld production studs
6.6 Inspection requirements and repair procedures
661
‘Studs on which a full prihera ash snot obtained shal, a the option of the contract, be replaced
bya new stud or repaired by adding minimum filet weld, whic shall be the larger ofthat required by
Table. or 62, a place ofthe mising Nash, The epait weld shall extend at least 10 mm (2/8 in)
‘beyond each end ofthe dscontinulty belng repaed. The requirements of Clause 64.143, b), and)
shall aso be met
66.2
If he reduction in the length of studs as they are welded becomes less than normal Le, thelength of
stud is more than 2 mm (2/32 in) greater than the speci length, welding shal be toned
Immediately and nt resumed unt the cause ha been corected,
6.6.3
Ifa stud has been removed from a component subjected to tensile stresses, the are fom which the
stud was removed shal be ground smooth and sh. Wherein such areas the base metal has been
pled out in the course of stud removal, rc welding in accordance with the requirements of this
‘Standard shall be ued tol the packets and the weld surface shal be ground fs,
In compression areas of members, if tu false are confined to shanks or fusion zones of tds, 2 new
sud may be welded adjacent to each affected ara neu of repair and vacement on the existing
ey 2018 (©2010 anon Standort Aneto a7weld area (se Clause 649). If metals tor from the hase metal of such areas, the repair provisions
Shall be the same as fr tension areas, except that whan the depth of sicontinuty she lesser of 3 rin
(0/81) oF M4 the base metal thickness, the decantinaty may be fired by erining niu of filing
the damaged area with weld metal. Where a replacement stu sto be placed inthe damaged area, the
base metal repair shall be made prior to welding the replacement stud. Replacement studs othe than
{he tvesded type, which shall be torque tested) shal be tested by bending to an angle of
‘approximately 15" rom thelr original aes. The areas of components exposed to view in completed
Structures sal be made smooth and fush where 9 stud has been removed
664
Except as provided in Cluse 6.65, at least one nonthreaded stud in ever 150 shall be bent oan angle
of 15 the stud fl, thee more ofthe exiting etc shall be bent. ay af these thee studs ay 9
further 10 studs shall be tested any of thse 10 studs fala ofthe stds represanted by the test
70u9 of 150 shall be tested.
\When the temperature conditions of Clause 648 are applicable, the number of tod tested shall be
increased accordingly
668
‘any nonthreaged stud that hs been repaired by weling or any nonthresdad stud in which the
reduction in lngth de to welding iess than normal, stall be bent to an angle of 15" Bending shall
preferably be done by continval slow appliation ef load. For studs epaiced by welding when te ach
Isles than 360°, the cretion of bending shall be oppose tothe missing portion of fas,
‘At temperatures below 0 (32) Impact loading Such as striking with 2 hammer shall nat be use,
‘tus that show no signs of fracture shal be acceptable for use an lel in the bent poston, unless
otherwise requled by th engineer. Studs that rack nthe weld, the base metal or the shank under
Inspection sal be replaced
66.6
‘Any threaded stud that hasbeen repaired by welding shall be torque tested in accordance with
Fgure 6.1 and Table 6.1.
667
Unless otherwise speci by the purchaser or required by Clause 6.66, threaded studs need nat be
torque tested prior to final use.
668
The engineer, where conditions warrant, may select a ressonabe numberof addon studs to be
subjected tothe ters epeifed in Cause 6.6.4 or 66, a applicable,
669
‘he bent stud shear connectors and studs in ater applications that show no sgn of fare shall be lft
Inthe ben postion Ino portion ofthe studi ss than 25 mm (la) om a proposed cancrete surface.
28 (©2012 asin andar Asstion sey2018Table 6.1
Required torque for testing threaded studs
(See Clauses 655 and 6.6)
‘Nominal
diameter Nominal
fofstuds, | Thread | Testing | dlameter of | Thread pitch, | Testing torque,
mm | pitchymm torque} | studs,in | fb
6 1.00 74 wa 728 UNF 65
ounce 83
@ 12s ve wae 2aUNF 133
a8UNC 9
0 130 355 ae 2aUNF 23
a6 UNE as
= = = 78 2OUNF 373
saune 38
Fry 1s ws wa 20UNF 35
s3UNe 523
200 385 36 TBUNF Bo
6 200 17 we UNF awa
mune 1038
» 250 7359 Er 36UNF 2050
30UNe ee
2 250 4080 78 TeuNF a3
uN. 2971
w 300 sues 7 2 UNF ‘083
uN asa
‘Table 62
‘Minimum fillet weld size for small diameter studs
(See Clauses 64.14 and 66.1)
Stud diameter ‘Minimum fillet weld size
‘mm in mm im
Gio wave 7/16 5 ane
2 aa 6 ya
16 sf 8 sn.
18 aA 0 3/8
2 78 n 716
2s 1 8 wn
ey 2018 (© 2018 condin Stoner Aiton 29Figure 6.1
‘Torque testing arrangement
(See Clause 63.8, 655, and 6656)
erst ae pete he se ofthe sta
‘naa asso ceon onde of
cer athe th ese oft
7 Welding inspection
7. General
7.1.1 Contractor's inspector
‘The contractor sal be responsible for visual inspection of al welds regardless of any addtional
Inspection required in contract documents. Such ispection shal be cared out by the contractors
Inspection personne.
‘he contractors inspection personnel may be
2) emindividuls) deemed competent by the contractor:
3) a certied welding inspector certified in secordance with CSA W/I78.2 orn conformance with the
Fequtements of WS QC
7.4.2 Third-party inspection
ran
When required by contrat, visual welding inspection shal be performed by either an indhidual welding
Inepectr or welding Inepaction organization,
742.2
‘A walding inspectr shal ether be current certified to CSA WI78.2 oF AWS QC or shall be stably
‘wained and experienced, to the satisfaction ofthe engineer, to ensure that adequate competency exists
{forthe inspection tasks to be perce
90 (©2018 candin Standart Ascaton Mey 20107423
Welding inspection organizations shal either be certified to CSA WI7E.1 or shal provide evidence to
satisfy the engineer that they are capabeof performing welding inspection,
7.13 Availablity of documents
Complete fabrication o erection documents showing the sie, ength, ype and location of all welds
that are tobe made shall be made avalble ta the Inspector.
7.14 Notification
‘The welding inspector or welding inspection organlzation shal be noted, n advance, ofthe start of
any welding operations.
74.5 Access
The inspector shall have access to the contractor's work tal easonable times and the contractor shall
provide the inspector with reatonabe aesitance necestay for inspection uring manufacture and Upan
Fompition,
7.1.6 Identification
The inspector shall dentiy with aastingulshing mark al parts or ons that have heen Inspected and
accepted
7.2 Inspection of materials
‘The inspector shal verity thatthe materials used conform to the requirements ofthe contrat
7.3 Obligations of the contractor
734
The contractor shal be responsible for meeting al the quality control requirements ofthis Standard
732
‘The contractor shall comply with al equess ofthe engineer to corec improper workmanship and to
remove and replace or correct al welds that donot comply with the constuction and design
‘documents o with this Standard
733
Inthe event that faulty welding, ors removal for ewelding, will so damage the base metal that its
retention i notin accordance withthe intent ofthe plans and specications, the contactor shall
remove an replace the damaged materia or shall otherwise rectly the deficiency ina mane
Spproved bythe engineer
734
non-destrutve testing other than visual inspection Is nt sped inthe aiginal contract agreement
‘but is subsequently requested bythe purchasr ors authorized representative, the contractor shal
perform any requested examination or shall permit any examination tobe performed in accordance
‘vith Cause 7.4 The purchaser shal be responsible fr al sscclated cost, Including handling, surface
preparation, gondestructve examination, and repair of defects ater than those listed In
‘Clause 11.542 or 125.42, whichever s applicable, trates agreeable to both the purchaser and the
ey 2018 (©2018 cana Stand Asacaton oncontractor. However If such examination dicoses gross nonconformance to ths Stand, cepa work
Shall be done atte contractors expense
735
Ia level of quality exceeding that detaled in Clause 11.5.2 oF 125.42 f not spaced inthe orginal
onract agreement buts subsequently requested by the purchaser ots authoraed representative,
‘there shal be agreement between the contractor and purchaser prior to commencement of any
ackitional work. The purchaser shall be responsible forall associated costs in the repair of defects other
than thse listed Cause 11 5.4.2 oF 125.4. whichever i applicable, a rates agreeable to both the
pureharer and the contactor
7.4 Nondestructive examination
Note Uses ofthis toned are cautioned tht each nner exomnation metho hos inherent lation
Indetecana fowshovn speci octos and aientoton. Users shoul become ar with tee tations
by cnsating appropiate etc sources and/or cid weling wspetonogonatons
744
\When nondestructive examination i require a5 apart ofthe contract in adtion to the vial
Inspection required by this Standard t should beso stated bythe owner. his information shall
esgnat the welds to be examined and the extent of examination ofeach weld and method of
examination (08 ako Cause 7.34).
TAR
7424
When radiographic examination suse, the procedure and technique shall conform to Csuse 8.1 and
standards of acceptance shall bein sceordance with Clause 11.8.8. o° 12548,
742.2
When alternative aation imaging systems such as computed radiography (CR) or drect radiography
(OR) ae used or required by contac the procedure and technique shall conform to Cause 818.
7Aa
743.4
When ultrasonic examination i sed, the procedure and technique shall conform tothe following
2} forthe xed attenuation (FA) technique: manual, conventional angle Beam UT in acordance with
Cause 3.2. The standard of acceptance shall be in accordance with Clause 115.45 or 125.45; or
) forthe 76s technique: manual, conventional angle beam UT or manval PAUT in acordance with
‘Annex X and the standards ofaceptance defined therein
Unless specified otherwise in the contract documents or reguled by the joint geometry the standard
technique to be used shouldbe the fed attenuation technique in accordance with tem 3}. Alternative
‘techniques in accordance with Item b) may be used where agreed upon by te contractor and the
‘welding inspection organization
92 (©2018 canaion tndrds Aseciation My 20187432
‘When alternative utrasoic systems such as encoded PAUT are used, the procedure an technique shall
conform to Chuse 82.12
TA8
When magnetic particle examination is used, the procedure and techlque shal be in accordance with
[ASTM E709 and the standards of acceptance shal be in accordance with Clause 115.42, 115.44,
1254.2, oF 1254 ofthis Standard,
748
For detecting discontinuities that ae open tothe surface, gui penetrant examination may be used
“The standard methods st forth in ASTM E165 shall be used for laud penetant examination a the
standards of acceptance shab in accordance with Clause 15,42 or 12.5.4.2of thi Stand
746
Where required weld shal be repaired by the methods permitted by Cause 5.10
747
Personne performing nondestructive examination shall be certified to Level 1,2, 3 forthe relevant
‘examination method in accordance with CAN/CGSO-48.9712/S0 S712, Level {certified personnel shall
operate oni under the supervision of Level 2or 3 certified personnel
8 Radiographic and ultrasonic examination of welds
8.1 Radiographic examination of welds
8.1.1 General
aaa
‘The procedures an standards se forth In this Clause govern atigrtphic examination of welds when
such examination is required by Clause 7.4 These procedures are solely for examination of groove
‘weld in but Joints. Inspection of filet welds should nat be performed by radiographic methods
a1az
‘Variations in examination procedure, equipment and acceptance standards not included in Clause 8.2
‘may be used upon agreement withthe engineer. Such variations may include the
2) rediograph examination of let, Tor ener welds;
1) changes in source to fin stances;
€} unusual application of fm for unusual geometries
4) unusual penetrameter application;
©} film types er densities; ane
A) film exposure or development variations
sey2018 (©2018 odin Sonor action 93£8.12 Extent of examination
aaza
Information furshe to the bdr shall clearly define the extent of radiographic examination
e122
When complete examination is specified the entre length of the weld in each desieated int shall be
examined.
8123
When parti! examinaton i specified, the locations and length of weld or categories of welds tobe
tested shal be clearly designated n the contact documents
124
\When spot examination is specified, the owner shall incl the designated categories of welded jin
tobe inspected and shall define th unit of length of weld presented by each 90t (eg, One =p0t pet
metre, one spot per wab splice, ec). Since the use of spot test implies that samping il be involved,
the bidder should not be made aware ofthe speci location ofthe weld spt) 3th Spot radiograph
Should show at east 100 mm (in) of weld length with the weld image centres on the spot. When 2
Spot radiograph, representative ofa gwen unt length of weld, shows a defects (se Claute 8.1.4), the
etect(s) shall be traced fr repair. Two addtional spots onthe same unit length of wel shall be
Selected to propery sample the remainder ofthe original unit length of Wel. A defective condition In
‘ther of these spots shall result in the whole unit tength of wed Being examines radiographically
18.1.3 Radiographic procedure
8.13.1 General
Radiographs shall be made by ether Xray or gana ray. They shal depict al portion of he welded
joint, including the heat affected zones, witha Inererence from penetrameters orientation
‘markers. They shal be cean and re fom processing defects and shal havea dest of not less than
418 nor mere than 40. The density of any radiograph shall ot vary by more than O'S vera constant
theless of work piece,
Radiographs shall show
8} the tine of the penetameter;
1b) the essential hee inthe penetrameter andthe wire mensions as define in Table 81 or 8:2 ond
Figure 8.1 0°82;
) the penetrameterentifcation number;
4) the adograph identification and locaton marks as indicated in Figures 83, 84,85, or 8.6 and
requred by Clause 8.1.3.7. and
©) the outline ofthe shi, if eppicable
8.132 Penetrameter selection
“he required penetrameters shall be determined trom Table 6.1 oF 82.
4 (©2018 aman Stands Assiation ey 20188.1.33 Personnel requirements
Personne performing radographic image intrpetation shal be cried to Lael 1,2, 0F3 in
‘adlographic testing in accordance with CAN/CGSB-£89712/1SO 9712. eve 1 erties personnel shall
‘operate oniy under the supervision of Level 2 or 3 eerie personne.
was
81341
The backing need not be removed from a weld prior to radiography unless is removal specified, nor
does the reinforcement have to be ground or otherwise smogthed unless its surface regulates of
juncture with the Base metal would cause weld defect to be obscured inthe radiograph
In ether case, the stel under the penetrameter, including sims when required shal be equal 10 the
combined thickness of the test late, the backing, andthe allowable height ofthe reinforcement, az
sppliable.
Inthe selection of ponetrametor thickness, the backing shall not be considered as prt of he joint
thickness.
91342
Weld tabs shall be moved prior to radiographic inspection unless otherwise approve by the enginer.
81343
‘The methodclogy of radiographic testing shall conform to ASTM E94
81344
Radiographic in shall be as described in ASTM E94. Fluorescent screens shall not be used
Radiographic imaging plates fr computed radiography shall comply with a recognized international
Standard such a ASTM E2446 or euivalent.
135
e135.
Ifthe greatest and least thickness of weld connecting pats of ferent thickness cannot both be
eniered with adequate contrat on a single fm witha single exposure, a dual film or dual exposure
{echnigue shal be used to obtain sable contrast for both the greater andthe leas thickness ofthe
‘Weld Penetrametersontranston joints sal be chosen and postioned 2 shown in Figure 85 or 86
1382
Hote type image quality indicators ls) or wie Ia shall show cleary on each adiograph. The
‘minimum sumber and their requied location shall be a flows
8) Forel joining nominally equal thicknesses
|) where a radiograph recesent 255 mm (10) or greater of weld length, two haleype oF
‘site type As placed a show in Figure 8.3; and
1) where radiograph represents less than 255 mm (10 in] of weld, one ole type 1} oF wire
{ype ll placed as shoun in Fgure 8.
My 2018 (©2010 canadin Sondre Acton 9s1b) Forwelds ata wansition in ticks:
|) where a radiograph represents 255 mm (10in) or gresterof weld length, two hole-type IOs or
wire type ais onthe thinner plate ard one hoe-ype IA or wie type lon the thicker plate,
Crtwo wie IOs atthe alternate wie type Il placement location each a shown in
Figure 25; and
i) where radiograph represents less than 255 mm (10 in} of wel length, one hole-ype 1 on
the ticker plate and one oleype Il on the thinner plate or one wire typeI placed on
the weld a shown in Figure 8.6.
©) Whena radiogreph represents less than the outer edge ofthe area being ratiogrophed, [wires
hall beperpenaiclrt the joint with the smalast wire onthe outer edge ofthe aea being
radiographed
14) When 3 complete circumferential weds blag radlographed with single exposure and the
radiation source is placed atthe centre of curvature, a least tree equally spaced hole ype or wie
{ype 1s sal be used,
8136
Penetrameters shal be placed onthe side ofthe work nearest the source of radiation excep for
‘tubular structures) located as shown in Figures 8.3, 8.4, 85, or 86. Penetametrs sal conform tothe
etal shown in Figure 8.1 0° 82.
e137
1374
Permanent identification shal appear onthe radiograph that wl show postive correlation vith the
‘weld. The lnstion of uch identieaton shall bear shown in Figures 83, 84 8.5, o° 86, This
Information may be provided by lead characters or other means suchas afl imprinter
813.72
Welded joins shall be radiographed and the fim Indexed by methods that wil provide complete and
continuous inspection of the joint within the limits specied. Jon lms shall sow clearly nthe
radiographs. shor fm, short screens, excessive undercut by scattered radiation, o ary other process
‘hat obscures potions ofthe total wel length shal render the aclgraph unacceptable,
81373
‘ls shall have suffient length and shal be place to produce a lact 12 men (2/2) ffm exposed
to erect relation from the source beyond each free edge where the wed is terminated
‘Welds longer than 350 mm (14 in) may be raiographed by overlapping flm cassettes and making 8
singe exposure or by using single fim cassette and making separate exposures. Provlons of
Clause 8.1.3.4 shal apply
813.74
To check for bacscate alation, (when required) ead letter “8, 12 mm (1/2 In) high and 1.6 mm
(0/36) thie shal be atached tothe back ofeach fm cassette. ifthe "B mage appears on the
radiogra, thet shal be considered unacceptable and alternative methods to control the backeater
Shall be employed
96 (©2018 cans Sonar Aeiton Mey 201081375
Fm wits shall be suficient to depict al portions ofthe weld jit, including the heat affected zone,
an shall prove sulfcentaditiona pace forthe require lls and fim kdentfeation without
Infnging upen the area of interest nthe radiograph,
813.76
‘radiographs shallbe ree fom mechanical, chemical or ther blemishes tothe extent that they
‘cannot mask or be contused with themage of any discontinuity n the ares of interest nthe
radiograph, Such blemishes may include but ae not mites to
a) fonsngs
3) procesing defects such streaks, water marks, or chemi tins
€)Seatehes, finger mars, rims, ar, state mars, smudge, o ear;
4) oss of detail de to poor sreen to fim contact and
6} fae indeations due to defective sreens,
813.7.7
Information requled tobe shown on the radiograph shal include the owner's contract identfeation,
initials ofthe radiographic inspection company ina ofthe Fabrieator, fabricator’ shop order number,
the radiographic dentication mar, date, and weld repair number f applicable,
e130
a13e,
Radiographs shall be made with a single source of radiation approximately canred with respect ta the
lenath ofthe area being examined. Geometicunsharpness ofthe racsogrph shall not exceed the
folowing values
‘Material thickness ‘Geometric unsharpness
mm ‘mm =
pte ~
st 2 ost 020
Over 7
51010 760 2t03 076 020
7600 102 3toa 1.02 080
12 4 7a 0.070
Note: Forte clean of pometic unshornen, se Gaur
a3.
The source to subject tance shal be not Iss than the ttl length of fm being exposed ina singe
plane (tis doesnot appy to panoramic exposures) or less than Seven times the thickness of weld plus
Feinfccement and backing, i any. Als, the inspecting radiation shall nat penetrate any portion of he
weld shown in the radlograph at an angle greater than 26.5" froma ine normal tothe weld surface
ey 2018 (© 2018 conan Sonor Asciaton 7139
“The minimum thickness of steal foreach racloacthe otope thet may be used on tel shoul be 35
follows
a) 188 — 12 mm 1/2
1) Col — 38 em (1-1/2 in); and
©) Se — 10mm (3/8
‘When its not practical to perform radiography within these limitation, or when rasloactve Isotopes
other than the above ate used, the procedure shall be proven satisfactory by actual demonstration of
[enetrametereslution on the minimum thickness ofthe material adiographed,
8.1.4 Acceptability of welds
Wilds shown y radiographic Inspection to have ascontinuitis prohibited by Cause 11.548 oF
12544 sal be repaired by the methods permitted by Clause 5.10 or shall be removed nd
subsequently revelded
£8.15 Examination, reporting, and disposition of radiographs
asa
‘The contractor shal provide a suitable highntensity viewer wit uffient capac to iluminate
radiographs wth a density of 40 without dificult A varable-intensty luminator should be used
e152
Prior to acceptance of a weld subjected to radiographic inspaction by the contractr for the ownet, al
ofits radiogranh, including any that show unaceepable quality pir to repay and 9 report
interpreting ther, shall be submitted to the engineer (Se Figure For 3 radlographic test report
same}
8153
‘ful set of radiographs of welds subjected to radiographic inspection by the contractor forthe owner,
Inctusing any that show unacceptable qualty prio to repay shall be delivered tothe owner Upon
completion of the work. The contractors obligation to retan radiographs shall cease upon delvery of
{is fll st tothe owner, onthe even that delivery ofthe radiograph snot made tthe endef one
{ull year ater completion ofthe contractor’ work.
8.1.6 Alternative radiation imaging systems
16.4
Wilds may be examined using ining radiation methods other than radiagraphy on fm sucha but
not lited to,
3) radiseopy,
) computed radiography ane
©} direct (real tre} radiography.
“These methods may ony be used if greed ton writing bythe engineer and the contractor, prior tothe
examination.
98 (©2018 conn Stoners ein Ay 201001.62
In aation tothe certification required for adography on fl, inspection personne hall have
completed a traning program specific tothe radiation Imaging system used
1.63
Inspections shal be performed in conformance with 2 written procedure that shall contain, at 2
minimum the following information regarding te radiation imaging method and examination
techniques:
3) specfc operator waning requirements
3) equipment identification, induding monufecturer, make, and made
‘)_ radiation source type, st, end settings;
49) ype and thickness offiters used;
2} waldjoin type
4) wald thickness ange:
2} radiation source to weld distance;
Fh) image conversion screen to weld distance;
I) scanning pattern and speed ppscable;
|) ange of radiation through the weld (from norma
1) typeof recording medium (ssitl image, vdeo recersing,radographic lm, or eter);
1) computer enhancement, image zooming (fused)
rm) documentation equtements and
7} all requirements of Cause 8.1.3 with is equvalenc to radiation imaging systems,
B64
Sensitty ofthe image 25 seen on the monitoring equipment used for acceptanceteection of welds
and recording medium shal be ot less than that required in ths Standard for radiography on fr,
1.65
\Wire-type or holetype 1s shal be used and placed on source sie, except for tubular structures. The
\ais shal be selected using Table 8.1 or 8.2. For stati examination, (ls shal be placed 2 described in
Clause 1.3.5.2. Forinmetion examination, two Is shal be pestioned at each end of area of interest
and tracked within the same ron, without exceeding 2m (10 ft} between each
2.1.66
Acceptance criteria of Cause 814 shal apo
81.67
Examinations, which ae wed for acceptance/rejection of welts, shal be recorded using 2 medium
acceptable fo the engineer. A written record shall be included with the recorded images giving the
following misimum information:
2) identieatin and description of welds examine
1) procedure used;
©) equipment used;
4) lation of the wold within the recorded medium; and
©} results, inluding» ist of unacceptable welds and reps, and thal location within the recorded
medium
sey 2018 (©2010 odin Standort Acton 998.2 Ultrasonic examination of groove welds
8.2.1 General
24a
‘The procedures and standards set forth in Cause &.2 gover the ultrasonic examination of complete
penetration groove welds between the thicknesses of &0 mm and 200 mim (5/16 a and Bn), inlsive,
hen such examination i required bythe stipulation of Clause 74. Utrasonc examination of parti
penetration groove welds should nat be used.
aza2
The techniques and search units permitted for ultrasonic weld examination shall include
2) Conventional angle Beam uteascic testing utiing the folowing
1) The standard fied attenuation (FA) technique characterized by 2248 per inch estimate of
attenuation, reference senstty set ata sine point, large 2 to 2.5 Mie search uns, 2nd
‘resrbed inspection angles and corresponding ale speci acceptance criteria. Tis
technique shal be performed in accordance with the equipment and procedures sulted in
‘Clause 82 and uses the acceptance criteria in Table 113 and Table 125,
1) ‘The akternative time corrected gain (TCG technique characterized by measurement of
_ttenuation by performing a mit point sensitiv clloation over the sound path used. This
‘echaique maybe apie to both straight beam and angle beam examinations using a wide
‘arety of tansduce ies and requences. This technique shal be performed in accordance
withthe equipment, procedures, and acceptance entra stipulate In Annex
18) Theaiternative manual phased array ultrasonic testing (PAUT)wtiiing TCG technique subject to
the equipment, procedures, and aceptance criteria stipulate in Annex
‘he alternative time corrected gain (16) techrique in accordance with tem a i and manual PAUTIN
accordance with lem b} do not require the engineer's approval, but shal be used only by agreement
between the contractor and the welding inspacn organization. Other alternative ultrasonic systems,
incuding encoded PAUT and tne of ight fraction [TOFD], are subjact to writen agreement
between the engineer andthe contractor in accordance with Clause 82.2,
\ariationsin examination procedure, equipment, and acceptance standards not incuded in Clause 8.2
‘may be used upon agreement withthe engineer. Such variations include other thicknesses, weld
Bsometries, transducer ies, frequercies,couplant, et.
243
Spot radiography is suggested to supplement ultrasonic examination of elactosog snd electroges butt,
Joi in materia 5O mm (2n] and over in thickness to detect possible piping pores.
8.2.2 Extent of examination
e224
‘he over shal leary identify the extent of ultrasonic examination
8222
When complete examination is pected, the entire length ofthe weld in each designated joint shal be
examined
100 (©2018 canoion Standard Ascaton My 2008¢
ws918 ald el coracon
3223
When spot examination specie, the numberof spots in each designated category of weld o the
‘number requced tobe medina stted length of wed shal be included by the own. Each spot
‘examined shall cover atest 100 mm (4) ofthe weld length, When spt ultrasonic examination
‘representative ofa given unt length of weld shows defect, the defects shal be traced for repair nc
‘wo addtional spots shall be examined within the same unit length of wes to property sample the
remainder ofthe original unt length of weld, A defect condi nether ofthese spots shal resin
‘the whole une length of weld being examined ultrasonic,
8.2.3 Personnel qualification (FA technique)
Personnel performing ulzasone examination shal be certified to Level, 2, oF 3m rasan esting in
accordance with CAN/CGS8-48.9712. Level 1 cried personnel zal operate only under the
Supervision of Level 2 or carted personne
8.2.4 Ultrasonic equipment (FA technique)
azar
‘The ultrasonic test instrument shall be ofthe dg, pulse-echo type, Analog instrument hall ot be
used. The instrument shall be capable of operation over the frequency range of at least to 10 Mt
shall produce # waveform dipay (A-scan) and tal readout of suflent vertical and hortontal
resolution to permit accurate amplitude and time base measurement tothe raguementso this
Standard andthe examination beng performee,
02.4.2
Straight beam search unt shal have the following properties
8) The transducer shape shall be ound,
1b) The ave efameter shall bein the range rom 13 mm {2/2 In 025 nm (i.
6} Thenomina equeney shal Ben the range from 2.25 05.0 Mie
8243
‘angle beam search units shall consist ofa transducer and an angle wedge fallow (the unit may be
comprised of two separate elements of be an integral unt)
23) The transducer frequency shall be between 2and2.5 Mi, inclusive
The transducer crystal may be square o: rectangular in shape and vay in sie frm 25 ta 26 mm
(5/8 toi) n wiath and rom 15 to 21 mm (5/8 to 13/25 0) n height (ee Figure 8.7),
©} The search ui shal produce a sound beam Inthe material being ested within 22° ofthe following
proper ange: 77, 6" or 45% as deserbed in Clause 8.25022,
{ach search nit sha be marked to indeate lary the frequency ofthe tanedacer, nominal angle
of refraction, and index point (See Czuse 2.10.21 fora description ofthe index point location
procedure)
1 Interna reflections rom the search unit with a screen presantation higher than the horizontal
reference line, appearing onthe screen tothe right ofthe sound entry polat, shall not eeu
beyond 13 mm (1/2 in) equvalert distance I ste! when the sens le eta ols: 20 dB
‘mare than that required to reduce s maximized horizontal reference lin height indation fem
the 15 mm (0.08 i) dameter hoe inthe Intemational ete of Weng [IN-Tpe) reference
block (se Figure 8)
4) The dimensions ofthe earch unt shal be such that the closeness of approach to the weld
reinforcement shall nt exceed the requirements of Cause 8.21026, The seach unit hall be
ey 2018 (©2018 nao Sande cote 101ws. Welded el comrton
‘postioned fr maximum inition fram the 1.5 mm (0.06 in} dlamete hole the IWType
“albation Sock,
1) The combination of search unit and instrument sal resolve the thre hoes in the resolution test
‘block shown in Figures 89 and 8.10 {see Clause 82.10.25 for 3 deseription of the rearch unt
postion) The resoition sal be evaluated with theinstrument cntrols set at normal test etngs
and with indications from the hols brought to mic-sreen helght. Resolution shall be sufficient
stinguish at least the peak of indications frm te three holes.
8.2.5 Calibration standards (FA technique)
28a
The IW-Type 1 or Type 2utrasone reference Mock, defined in ASTM E164 and US Alr Force .0.
338-11, shall be the standard for stance callrtion and sensi elioratons. The 25 mm (0.069)
side-ritg hoe ata depth of 15 im (0.500 in shal be defined a the standard reference reflector (ene
‘nox.
other portable blocks may be use, provided the reference evel senivity for instrument/seareh unt
‘combination adjusted to be the equlvalent ofthat achieved with the IN-Type block. callrtion
blocks used shall be ofthe same material ype and acoustic properties asthe material under
ceramination
8252
Use of a "comer" efector for calloation purooss shall be prohibited.
£8..6 Equipment calibration (FA technique)
826.4
{ain contol nearly shall be demonstrated tobe within 21 dB by postoning a stesight beam search
unit conforming to the requirements of Clause 8.28.2 onan IW. Type Block so the ideation Irom the
115 mo (0.060 in sidered hole is peaked onthe screen. The gan shall be acute as shown below
and the indeations shal fall within the specified limite
Indication setat % of fall | aif control change Thdication mits % of fall
20% a8 3510 45%
20% “2 a8 1810238
4008 15.08 7110 30%
20% rT 7119 89%
‘Alternatively, any sultabe carbon steel reference block with any reference reflector within the
Sensitity ange ofthe search uni / instrument combination may be used. This shall be performed at
Intervals not to excees 12 mnths,
102 (©2018 Canaan tnd sion say2018