i vey; SHE BYP 7 Large-Diameter Carbon Steel Flanges (Nominal Pipe Sizes 26 Through 60; Classes 75, 150, 300, 400, 600, and 900) API STANDARD 605 THIRD EDITION, FEBRUARY 1980 American Petroleum Institute 2101 L Street, Northwest Washington, D.C. 20037 pAPI specifications (standards) are published as an aid to procurement of standardized equipment and materials. These specifications are not intended to inhibit the purchase or production of products made to specifications other than those of API Nothing contained in any API specification is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use in connection with any ‘method, apparatus, or product covered by letters patent nor as insuring anyone against liability for infringement of letters patent ‘API specifications may be used by anyone desiring to do so. Every effort has been made by the Institute 10 assure the accuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, oF guarantee in con- nection with the publication of API specifications. The Institute hereby expressly dis- claims any liability oF responsibilty for loss or damage resulting from their use: for the violation of any federal, state, or municipal regulation with which an API specification ‘may conflict: or for the infringement of any’ patent resulling from the use of an API specification Copyright © 1980 American Petroleum InsituteINTRODUCTION ‘This standard is a purchase specification forthe procurement of carbon stee! flanges, NPS 26 through 60. It establishes an economical series of standard flanges in six nominal classes for use with pipe, fittings, valves, and as pressure vessel shell flanges and nozzle flanges. Flange dimensions are verified for bolt, gasket, and hydrostatic pressure loadings in accordance with the rules in Appendix Il of the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, Pressure Vessels (referred to throughout as the ASME Code"). Gaskets used in this analysis are in accordance with API Standard 601 and ANSI B16.21. Allowable stresses for design analysis are from the ASME Code and ANSI B31.3, Chemical Plant and Petroleum Refinery Piping. An allowable stress (of 25 kips per square inch (172 megapascals) was used for the ASTM A 694 material in Tables 1-B and A-2 based upon MSS SP-44, “The pressure-temperature ratings established by the above-described design analysis are those of ANSI B16.5 (1977) for Classes 150, 300, 400, 600, and 900. The ratings for Class 75 are one-half of those for Class 150, with a maximum temperature limit of 650 F (344 C), The pressure-temperature ratings for Classes 300, 400, 600, and 900 flanges mating with high-strength line pipe comply with ANSI B31.4 and B31.8. Flange dimensions for Classes 400, 600, and 900, NPS 38 and larger, are identical with those in MSS SP-44. Flanges NPS 26 through 36 are designed with the same philosophy as used for flanges NPS 38 and larger.CONTENTS Pace. Notes to Purchaser ....... settee feet baie eae vii SECTION 1 — GENERAL Ld ‘Scope 1 12s sie 1 13 Details ..... 1 14 Referenced Publications 1 eevee 2— DIMENSIONS General .... 2 2 Excess Thickness and Back i Facingor Sra Facing : 2 2.3. Bolt Holes 2 24 Facing Finish 2 2.5 Welding End . 2 SECTION 3 yy TOLERANCES 3.1 General .....- ee aa : 2 3.2. WeldingEnd 2.00200.) ieee 2 SECTION 4 — MATERIALS 4.1 Welding Neck Flanges : ee 3 4.2, Integral Flanges «2... : ana 3 SECTION 5 — PRESSURE-’ “TEMPERATURE pias 5.1 General .... sen 5.2 Bolling and Gasket Required . a eee eae. SECTION 6 — BOLTING AND ee 6.1 Bolting Se : 5 62 Gases | Rereriie eH 5 SECTION 7 — MARKING 7.1 Welding Neck Flange . .. 5 7.2. Valvesand Fittings 5 7.3. Marking Method 5 APPENDIX A — PRESSURE-TEMPERATURE RATINGS 15 19 LIST OF ILLUSTRATIONS Tables 1-A —Pressure~ oes Ratings for Plant Piping and Pressure Vessel2 — Dimensions for Class 75 Welding Neck and Integral Flanges 3 — Dimensions for Class 150 Welding Neck and Integral Flanges 4 — Dimensions for Class 300 Welding Neck and Integral Flanges — Dimensions for Class 400 Welding Neck Flanges 6 — Dimensions for Class 600 Welding Neck Flanges 7 — Dimensions for Class 900 Welding Neck Flanges Ac — Pressure-Temperature Ratings (SI) for Plant Piping and Pressure Vessel Flanges i A-2— Pressure-Temperature Ratings (SI) for Pipe Line Flanges B-1 — Dimensions for Class 75 Welding Neck and Integral Flanges (SI) B-2 — Dimensions for Class 150 Welding Neck and Integral Flanges (SI) B-3 — Dimensions for Class 300 Welding Neck and Integral Flanges (SI) B-4 — Dimensions for Class 400 Welding Neck Flanges (SI) B-5 — Dimensions for Class 600 Welding Neck Flanges (SI) B-6 — Dimensions for Class 900 Welding Neck Flanges (SI) 10 12 13 14 0 17 20 22 24 26 7 28NOTES TO PURCHASER 1. In addition to referencing API Standard 605, purchase ordets for welding neck flanges or flanged piping components shall specify the following, where applicable: a. Flange size (Tables 2 through 7). b. Nominal class (Tables 1-A and I-B) for plant piping and pipe line flanges. © Bore diameter for welding neck flanges (Tables 2 through 7) 4. For a valve, fiting, or nozzle neck, include the requirements for the ‘component a well as for the flange, © Grade of high-yield-sirength mating pipe, where applicable 2. For gasket-bolting combinations other than those specified in this standard, the Purchaser must verify that allowable siresses are not exceeded, 3. The need for impact testing should be considered,Large-Diameter Carbon Steel Flanges (Nominal Pipe Sizes 26 Through 60; Classes 75, 150, 300, 400, 600, and 900) SECTION 1— GENERAL 4.1 Scope This standard covers raised-face carbon steel welding neck flanges in NPS 26 through 60 with pressure ratings of Classes 75, 150, 300, 400, and 600 and in NPS 26 through 48 with a pressure rating of Class 900. It also covers integral flanges for Classes 75, 150, and 300, cast or forged asthe integral ends of flanged valves, fittings, or nozzle necks. 1.2 Size The nominal size of the flange corresponds to the nominal pipe size of the pipe with which the flange is in- tended to be used. Flange sizes included vary by 2-inch in- ‘crements from NPS 26 through 60 for Classes 75 through 600 and from NPS 26 through 48 for Class 900. 1.3 Details Flange details covered by this standard include: 1. Dimensions (including facing and welding end) 2. Tolerances Materials |. Pressure-temperature ratings Bolting and gaskets Marking 1.4 Referenced Publications The latest edition or revision of the following standards and specifications shall, to the extent specified, form a part of this standard: ANSI! BI6.5 (1977) Steel Pipe Flanges and Flanged Fittings BI6.21 Nonmetallic Gaskets for Pipe Flanges 1 American National Standards Institute, Ine. 1430 Broadway, New York, NY. 10018 2 American Petroleum Institute, Production Deparment, 211 N. Er vay, Suite 1700, Dallas, Tx. 75201 3 American Society of Mechanical Enginers, 345 East 47th Street, New York, NY, 10017, 16.25 Butrwelding Ends B31.3. Chemical Plant and Petroleum Refinery Pip- ing B31.4 Liquid Petrolewm Transportation Piping Systems B31.8 Gas Transmission and Distribution Piping Systems API 6D? Specification for Pipeline Valves 601 Metallic Gaskets for Piping, Double-Jacketed Corrugated and Spiral Wound ‘ASME® Boiler and Pressure Vessel Code: Section Vill, Division 1, Pressure Vessels ASTM! A108. Forgings, Carbon Steel, for Piping Compo- nents A193 Alloy Steel and Stainless Steel Bolting Materials for High-Temperature Service A194 Carbon and Alloy Steel Nuts for Bolts for High-Pressure and High-Temperature Service A216 Carbon Steel Castings Suitable for Fusion Welding for High-Temperature Service A 694 Forgings, Carbon and Alloy Steel, for Pipe Flanges, Fittings, Valves and Parts for High- Pressure Transmission Service Msss SP-9 Spot Facing for Bronze, Iron and Steel Flanges SP-44 Steel Pipe Line Flanges + American Society for Testing and Materials, 1916 Race Steet, Pits delphi, Pa, 19108, Manufacturers Sundardzation Society of the Valve and Fitings In- dasiy, 1815 N. Fort Meyer Drive, Atington, Va. 222082 API Sranpano 605 SECTION 2— DIMENSIONS 2.1 General Flange dimensions shall conform with Tables 2 through, 7 and B-l through B-6. Flange dimensions may require adjustment for flange ‘material with yield strength in the welding section differing, from that of the mating pipe. The maximum inside diameters are calculated for full pressure rating at 100 F (38 C) using gaskets as specified in 6.2. These inside diameters can be increased when using flanges with lower pressures or adjusted gasket dimensions. Flange and bolt stresses should be verified by calculation considering both gasket seating stresses and, operating stresses. 2.2 Excess Thickness and Back Facing or ‘Spot Facing The flange shall be either back faced or spot faced at the bolt holes on the flange back if: (I) the nut-bearing sur- face at the back of the flange is not parallel with the flange face within the tolerances listed in 3.1, (2) the fillet at the hhub interferes with the nut-bearing surface, or (3) the flange thickness exceeds the minimum required thickness (Tables 2 through 7, C dimensions) by more than 0.19 inch (4.8 millimeters). The nut-bearing surface is the spot-facing diameter at the bolt holes as given in MSS SP-9. Spot facing shall be in accordance with MSS SP-9. 2.3 Bolt Holes Bolt holes shall be drilled perpendicular to the flange face and shall be equally spaced. Bolt holes in an integral flange of a flanged valve or fitting shall straddle the cen- terline, 2.4 Facing Finish ‘The flange facing finish shall be in accordance with ANSI B16.5 (1977) and the following additional require- ments: 1. For Class 300 and smaller, the gasket surface shall have a roughness in the range of 125-500 microinches AARH. 2. For Class 400 and larger, the gasket surface finish shall hhave a roughness in the range of 125-250 microinches AARH. 2.5 Welding End 1. The welding end of @ welding neck flange shall con- form with ANSI B16.25. 2. When the specified minimum yield strength of the hub Portion of any flange is less than that of the pipe to be ‘matched, the minimum thickness of the hub at the weld- ing end shall be such that the product ofits thickness times its yield strength (at welding end) is at least equal to the product of the specified nominal wall thickness and the specified minimum yield strength of the pipe. 3. When the hub thickness at the welding end is greater ‘han that of the mating pipe, the joint design shall be in ac- cordance with ANSI B16,5 (1977), Figures 12, 13, or 14, SECTION 3— TOLERANCES 3.1. General Tolerances shall be as follows: Tolerance Dimension (inches) (milimeters) OD of raised face, R = 003 Flange thickness, ‘C 70.19 -0 Hublength, overall, ¥ 2012 OD oftnub, 4 40.16, ~ 003 Bolt circle diameter £0.06 Center-io-center of adjacent bolt holes + 0.03 ID, welding neck flange, B 4.0.12, ~ 0.06 Parallelism, tack-ioface offlange = * =32,-16 ‘Flanges shal! have bearing surfaces for bolting that ae parallel. the flange face within | degree. Any back facing oF spot facing requied (0 sccomplish parallelism between the flange face and nut-bearng suice fon the back ofthe flange shall not reduce the lange thickness, C, below the dimension given in Tables 2 through 7. 3.2, Welding End Tolerances for the welding end of a welding neck flange shall conform to the specifications in ANSI B16.25,Lance-Daweten Canton Sree. ances 3 SECTION 4— MATERIALS 4.1 Welding Neck Flanges 4.1.1 Welding neck flanges for Classes 75 through 600 with design stresses conforming to the ASME Code and for Classes 75 through 900 with design stresses conform- ing to ANSI B31.3 shall be carbon steel ASTM A105, normalized or quenched and tempered. 4.1.2 The hub thickness of the welding ends of Classes 75, 150, and 300 welding neck flanges will mate to pipe having a specified minimum yield strength of 52 kips per square inch (359 megapascals) with a 0.72 design factor, 4.1.3 Class 300 welding neck flanges mating with pipe having a specified minimum yield strength greater than $2 kkips per square inch (359 megapascals) and Classes 400 through 900 mating with pipe having a specified ‘minimum yield strength of 36 kips per square inch (248 ‘megapascals) shall be ASTM A694, with flanges having a specified minimum yield strength of 42 kips per square inch (290 megapascals) in the ring section and a minimum yield strength at the welding end at least equal to that specified for the mating pipe. When the yield strength of the welding end is less than that specified for the mating pipe, compensation in accordance with 2.5 shall be made, 4.1.4 When the specified minimum yield strengths of the sections to be joined are unequal, the deposited weld ‘metal joining the two sections shall have mechanical pro- erties at least equal to those of the section having the higher strength, 4.2 Integral Flanges Flanges integral with nozzle necks, valve bodies, or fit- tings shall be cast carbon steel ASTM A216 Grade WCB or forged carbon steel ASTM A105, SECTION 5 — PRESSURE-TEMPERATURE RATINGS 5.1 General Flanges covered by this standard shall be designated as one of the following: Class 75, 150, 300, 400, 600, or 900. Ratings are the maximum allowable nonshock work- ing pressures, expressed as gage pressure, at the tem- erature shown, for the applicable material. Ratings in Ta- bles 1-A and 1-B are in U.S. customary units. Tables in Appendix A list ratings in metric units. For immediate temperatures, linear interpolation is permitted. 5.2 Bolting and Gasket Required ‘The ratings in this standard are based on the use of the bolting and gaskets described in 6.1 and 6.2. If other types of bolting, gasket material, or other dimensions are used, the user is responsible for such selections with respect to their suitability with the flange for the specific service con- ditions and for the ability of the gasket to withstand the re- quired bolt load without injurious crushing. (Tables and text continue on next page.)7 API Sranosno 605 Table 1-A—Pressure-Temperature Ratings for Plant Piping and Pressure Vessel Flanges z Pressure Metal (pounds per square inch gaye) ‘ Temperature (degrees = Fatenbet) 30 300 300 io 300 See YS ES 150 rere 0 Have ADO EE ONO REGIE WOO TTTE 100 140 285 740 990 1480 2220 200 130 260 os 900 1350 2025 300 nis 230 055 875 Bs 1970 400 100 200 635 BS 1270 1900 500 8s 170 600 800 1200 195 600 70 140 550 230 1098 1640 650 o 125 535 ns 1075 1610 700 = 10 no 1065 1600 750 = 95 505 630 1010 1510 800 = 80 410 550 825 1235 850 = 65 270 355 535 805 300 = 50 179 230 Ms sis 950 = 35 Ios a0 205 310 2000 7 2 30 70 10s 158 «Based on the pressure-lemperature ralings in ANSI BIG 5 (1977), for use with flanges designed in accor dance with the ASME Code or ANSI B31} © Pressure-temperature ratings are bused on materiel spcifiations ASTM ALOS and A216 Grade WCB. Limitations on the use of these materials shall be in ascordance withthe applicable cose © Maximum service temperature for Clases 150 through 90. Table 1-8 — Pressure-Temperature Ratings for Pipe Line Flanges® a Pressure Meta (pounds per square inch gage) ‘Temperature a (dewrees — aS Fantenhet) 300, 400 600 300, 100 40 990 1480 20 250 740 990 1480 2220 300 ‘nS 955 1430 245 350 690 925 1380 2070 400 665 890 B30 2000, 450 640 860 1285 1925 * Pressure-temperatute ratings meet the requirements set forth in ANSI B3I.4 and B3I.B‘Lence-Dinweren Ganson Steet FLaNces 5 SECTION 6— BOLTING AND GASKETS 6.1 Bolting 6.1.1 High-Strength Bolting Bolting materials having allowable stresses ‘equal to or greater than those for ASTM A193 Grade B7 and ASTM. A194 Grade 2 or 2H are considered high strength. These and other materials of comparable strength may be used in any flanged joint. 6.1.2 Intermediate-Strength Bolting ASTM A193 Grade B7M and ASTM A194 Grade 2M may be used in any flanged joint 6.1.3 Low-Strength Bolting Bolting materials having @ minimum yield strength equal to or less than 30 kips per square inch (207 ‘megapascals) shall be used only with gaskets described in 6.2.3. Flanged joints with low-strength carbon steel bolts shall not be used above 400 degrees Fahrenheit (205 degrees Celsius) or below -20 degrees Fahrenheit (—29 degrees Celsius) 6.2 Gaskets 6.2.1 Nonmetallic gaskets shall conform to the dimen- sions specified in ANSI B16,21 6.2.2 Metallic gaskets shall conform to API Standard 601, except that double-jacketed, corrugated, stainless steel gaskets may be used for Classes 150 and 300. 6.2.3 Gaskets for low-strength bolting shall be Group la IANSI B16.5 (1977), Figure El] with gasket factor, m equals 2 or less, and minimum design seating stress, y equals 1700 pounds per square inch (11.7 megapascais) or less. 6.2.4 Gasket material for flanges of Class 75 is limited 10 compressed asbestos in a flat-ring shape. SECTION 7 — MARKING 7.1. Welding Neck Flange Flanges shall be legibly and permanently marked on the flange periphery as follows: Mark Example Manufacturer's name o trademark AW Co, Material, ASTM speciation lus ADI stand and class API 605150 Flange size, nominal s Huby matenal/pipe material, where applicable" F42/X60 or pe line flanges designed in accordance with 2.5, in addition 10 the ‘markings required above. the grade ofthe materia inthe welding end of ‘he hub shall be shown. YExample: ASTM A694 F42/X60 ) 7.2 Valves and Fittings For valves and fittings with integral end-flanges, the ‘marking requirements specified in 7.1 for welding neck flanges shall appear on the body of the valve or fitting, 7.3. Marking Method Marks shall be applied by integral casting, forging, or by steel stamping,6 AP! Sranano 605, Table 2— Dimensions for Class 75 Welding Neck and Integral Flanges (inches) TAS SRECTFEOY ° eran We END PREPARATION WELDING NECK FLANGE “Se Welding Nock and Integral anges Deiling ‘Bal Lengih Raise. Bol ‘Number Baie Flange Flange Face Circle of Bott Hole Machine Stud Nps. OD Thickness Diameter Diameiet __Bolis_Diameter__Diameter Bott Bolt ° € & E L 6 3000, 13 275 2850 36 8 075 400 450 8 3200 13 2075 3030 0 58 038 400 430 30 34.00 131 3138 3250 4 x8 075 400 450 2 36.00 138 3375 3450 rn 58 075 435, 475 34 38.00 U3e 3575 3630 3 58 05 435, 435 36 4069 rs 38.00 3906 0 34 oss 450 5.00 38 4269 150 30.00 41.06 40 34 oss 450 535 40 4469 150 42.00 3.05 “4 34 088, 430 535, a 46.69 156° 4400 4506 8 34 088 475 535 4 4925 169 45.25 4738 35 18 1.00 525 575 46 51.25 175 48.25 4938 40 18 100, 535, 600 8 53.25 181 5025 5138 “4 18 oo 550 600 30 5525 188 5225 5338 “4 18 100 550 628 2 3738 188 5425 3550 48 18 1.00 Sis 625 34 59.38 194 5625 3750 4 18 100 535, 635 56 62.00 2.00 58:50 s9.8s 0 1 rR 6.00 695 58 64.00 206 60.30 6188 4“ I mp 6.00 615, o 66.00 219 62.50 6388 “4 1 12 625 7.00Lance-Diawetem Carson STEEL FLANGES Table 2 (Continued) — Dimensions for Class 75 Welding Neck and Integral Flanges (inches) INTEGRAL FLANGE sro nour Welding Neck Flanges Integral Pangest Dianeer Danese pa Daneter—Diaer Lays End Small End Overall Fite, ASME ANSI Large End Small End File ofHub of Hub Length Radius Coe BIS otNeck “of Neck ID_—_Raus_—_ NPS x 4 y r a a x 4 Bere 2662 26.08 231 O31 3550 35.50 2662 2682538 038 26 2862 28.06 24031 2730 7150, 2.62 %e 38038 28 3062 3008 256 031 2950 39.50 3062 3062 2938038, 30 3262 32.05 275031 3150 3130, 3262 3263131032 3462 3406 288 = 031 3350 33.50, 3462 362 3325030 3g 36381 36.06 338038 3550 3s'50, 36.81 3681352595036, 3881 38.06 350 038 3750 3750 Beat 38813725030 ag. 408 40.06 32 03 3950 3950, 4081 #81 8190300 4281 4206 375 oe 4150 4150 281 2st 49 030. 4488 44.06 42 038 43504350 4.88 4488 431200 46.88 46.06 425038 4550 4530 46.8 4688 4512050 ag 4888 48.05 438038 4750 4750 4888 4888 470500 5094 50.06 456038 4950 4950 50.88 5088 4905 0505, 5294 52.06 475038 5150 51.50 53.00 5300 5105050 35.00 54.05 498038 5330 33550 55.00 3500 5306 062 5a Sha 56.06 SOs 5350 35.50, 5712 3212 $5000.62 56 5912 58.06 544 ad 573037550 5912 $912 5200028 6112 60.06 569 a4 5950 50550 6112 6112 900 O62 | Valves NPS 26 and larger probably wll be of weld-end type. Should an integrally cast anged valve be required, tne ID musi be feduced to po vide for taper on hub or any casting variation allowance, ‘Dimension B (ID) shall be specified by the purchaser (see 21), The smaximum ID inciudes the manufacturing toletance allowed it 3 1D (B "is tabulated for ANSI B31.3, Chemica! Plant and Petroleum Refinery Piping.8 API SrawoAno 605 ‘Table 3— Dimensions for Class 150 Welding Neck and Integral Flanges (inches) . —— pera" Ww" 1 No preeanarion WELDING NECK FLANGE “ore Welding Neck and Integral Flanges cage sess ge ling 22SEC e te eee eee Raised Bole ‘Number Bait Flange | Flange Face Circe of Bok Hole Machine Stud NPs OD. ‘Thickness Diameter Diameter Bolts _Diameter_ Diameter Bott Bolt o c R L L 26 3098 18 28.00 a 36 va 88 a5 350 8 32.94 175 30.00 3131 0 34 03s, 5.00 335 30 3494 175 3200 3331 4 3/4 088, 5.00 375 2 37.06 181 34.00 3544 8 34 088, 525 575 34 39.56 194 3625 78 40 8 1.00 575 635, 36 4162 2.06 3825 39.75 “a 78 1.00 600 630 38 4425 212 4025 20 40 1 m2 625 7.00 0 4625 219 4250 4412 “4 1 m2 650 7.00 2 425° 231 44.50 46.12 8 1 1a 650 325 4 50.25 238 4650 4812 2 1 12 675 750 46 5281 244 4862 50.56 40 ive 125 7.00 300 e 5481 256 59075 52.56 44 1s 125 138 8.00 50 568i 269 5275 5456 48 18 125 130 825 2 S681 235 S475 36536 32 ue 125 138 850 54 61.00 281 56.75 5825 56 18 125 138 850 56 63.00 288, 58.75 075 oo 18 125 500 875 58 65.94 60.75 e344 a 1s 138 825 9.00 294 o 6194 3.00 63.00 65.44 2 1s 138 825 9.25,Laice-DaweTer Canson STEEL FLANGES 8 (4 Table 3 (Continued) — Dimensions for Class 150 Welding Neck and Integral Flanges (inches) INTEGRAL FLANGE Welding Neck anges Inte! Fae ; Danser Dinar es Danser — Danes Yo) tages sralleod overt) Fst ASME ANS Lantend Smal End Filet of Hub “of Hub Lengih_Radus__Cade—BSI3_—— of Neck” 'ofNeck IDs __NPS x 4 5 7 3 ¥ a peaaeaers 298 teas —=350 Bae Hoe %a a3 Os 22 os 3.5 nas 20% = ey 050 3.00 500639838 rae Sto oes? 030 330, 3203s 5a BI 3298 SLID 030 Bn Moe Ae OB 338 3193473330630 3193606 da 3538 3125 esl 3508030 3s Dds O38 na 3038 BM 3700030 a3 S068 3831 4138 ose ase O80 ee hn 535k a3 Soros ae a3 453k ae 3s S30 ot hae aa lh 59a B19 “3% 9p @n oe 30 Seas ais Bs 82 eases sso 5012, 606s en Sie 5124875 3 RG sun Bs 33129075 see 263k ae 306 373353152952 Sie) S12 6366 55.06 53385 ss 12 bas 5306 som 930 Seas esi 2068 5800 ose 5038503 * Valves NPS 26 and larger probably will be of weld-end type. Should an integrally cast flanged valve be required, the ID mus be reduce to pro vide for taper on hb or any cating variation allowance ® Dimension B (ID) shall be specified by the purchaser (see 2.1). The ‘maximum ID includes the manufacturing tolerance allowed in 1D (Bis tabulated for ANSI B31,3, Chemical Plant and Perolewn Refinery Piping.10 API Sranoano 605, Table 4— Dimensions for Class 300 Welding Neck and Integral Flanges (inches) WELDING NECK FLANGE Welding Neck and Imogeal Flanges Driling ‘Bol Leng Raised Bol ‘Number Bok Flange _Plange Face Cirle of Bolt Hole Machine Stud Nps. OD __ Thickness Diameter Diameter___Bolis__Diameter__Diameter Bott Bolt @ € R cL L 26 34.12 350 39.00 2 Tia 138 9351025 2% 36.25 350 31.00 36 hua 138 93s 1035, 30 39.00 369 33.25 36 138 130 935 1075 32 4150 4.06 3550 3 ria 162 wis 75 M4 43162 4.06 3750 3% 1a 162 wo7s 1475 36 46.12 4.05 39.75 2 15/8 175 1075 12.00, 38 4812 438 433 36 15/8 138 N50 1295, 0 $0.12 436 43.88 40 1518 175 WS 13.00, 2 5250 469 46,00 36 13/4 88 12351350, 4 5450 5.00 48.00 0 13a 188 12751435 46 3750 506 50.00 36 178 200 130018550 8 59530 506 5225 0 178 20 1300 14550, 30 6150 54a $425 44 la 200 Is 1535 32 630 5a 36.25 48 178 2.0 1425 15.75, se 65.8 538 5825 a 108 2.00 7s 1525 36 950 6.06 030 36 214 238 501735 58 7194 6.06 62.35 40 2Va 238. 15501735, o 73.94 5.94 00 0 2s 238 15251700,Lance-Diawevem Canton STEEL Fiance n Table 4 (Continued) — Dimensions for Class 300 Welding Neck and integral Flanges (inches) ape te atae erent HE 2iP ron cusses >——F | — L pea i | eee 1 INTEGRAL FLANGE srup noe Welding Neck Flanges Invegral Flangest Daneier Diane ae Diameter Dane Lage End Small End Overall Fillet ASME ANSI __ANSF Lange End Small End Filet ofHiub of Hub __Length Radius__“Code_B31.3_BBIA/B318 of Neck of Neck_ID__Radius—NPS x 4 y 7 BB Be ¥ a ee 2762-2619 ——«5.69~—~OS6 2488 25.95 2550 21227122500 0a? 26 297581958056 275 30 30253925 0 0B 3200-3028 22056, 2862 2908 2950 3250 3150 2900 062 0 34003225 62082 3056 3100 31.25 345033503075 0753 3612, 3425 6a? 3246 3288 3525 366235623275 07834 3800 © 3625712062 3431 ass 3512 386272450 OTs 6 4000 38257562 3625 3706 3712 4062 396236500753 4200 402578102 3825 3906 39112 4262 413838500750 4400-42318 062 4000 408s $112 4450 4338 4025 2 4619 403184882 4200 4300 43.00 4650 45624219 4“ 4838 4631S? 4400 4488 age 490047884412 46 5031 483188102 45.75 4656 4681 5100-4988 46.00, PH 5238 S031 9.2802 4175 4869 R69 5300 S188 47.94 30 Seas S956 08 4975 5062 50.468 55005388 49.88 3 5650 5431 94h O82 5150 5231 5256 5738 $6.25 51.75 34 5881 56311056 0.69 5362 54385456 5950 5838 33.69, 56 09s 58310806 5550 5638 Sas 619 OBL S562 58 6294 0311069069 5725 58195838 19 6269 57.50 a * Valves NPS 26 and large probably wil be of weld-end type. Should an ‘ntegrlly cast flanged valve be required, the ID must be reduced to pro. vide for taper on fab or any casting variation allowance * Dimension B (ID) shall be specified by he purcheser (se 2.1). The ‘maximum ID includes the manufacturing tolerance alowed in 3 £ Maximum 1D for mating to pipe having a specified minimum yield ssrength of 65 kips per square inch and a design factor of 0.7215 based ‘upon the lange material having a spectied minimum yield strength of| 42 kips per square inch inthe ring section ofthe lange and minimum Yield sength atthe welding end of 65 kips per square inch, 4 Maximum ID to meet an allowable Nange sess of 25 kis per square inch forall types of gaske's. Fango ID i smaller than pipe ID when ‘mating with X65 pipe with design facior of 0.72. Flanges may be taper bored to meei pipe ID. “ID, (B is tabulated for ANSI B31.3, Chemical Plan and Petroleum Refinery Piping.API Sravoano 605 09 yoy 258) poses you! 20 apnIou 10H Soup 4 “Nua, {out avenbs 294 st $9 I9K wou pue afuey a Jo vows fi 2h J wu pai wt 980)» pasey 1 20 Jo Jones sap # ue iaey add 0) Hunew 20) 2 we we spat LSM 8S wt we sea] LOL aS 9s wt we sy) 209 DOD ¥s we a SCT] RLS BDO BS ws aee te Osss SS HED SLED US os sez te ous, «tors ED SLID. OS fr aT ee SUSS STS 009 OSHS BH or uz 9 SLRS SHH SLE SLIGO ‘ ae Osos STUN OSS OSHS o woz we Stee OSHS OTS o» woz ze St9e EH HS 0005 OF ae wT ze Oye SOF ROSEY BE %¢ I 8 we THBE MOSSY OF ia scl ze oset|—OSE RYLEY HE we se 8 Osee| aE ME StH SLO Ze oe we Bz SESE SURE OY SLBE OF a on we «WEE = OE SLE OE % ost ee Seor_——ovae— SESE 4 2 ° oN TauEG AeUEG Ag HAWG aU SAPNL GO SN ee 68 saquoy Hod “PRB aunwa ee BONVTd YO3N ONIGTAM “Sua oa mp [ ni a Le (sayou!) se8uel 4 499N BuIpIeM OoY SSe19 40} SUOIsUBWIg—g eI4eL3 Lange-Diawerer Carson Sree FLANGES ‘aySiog 398) pastes yout §2°0 2pm yout auenbs 394 8084 $9, pj wna pue aduey 29 Jo wonoas Buus ap ns aH wma paypoads e Burney 380s ay. uode posea st 21° 40 so.) u8s9p # pus yout a1enbs Jad soy go Jo waBuaHS uniuns paiioods © Burney aid 0; SUneU 205 € 0% osus sess oo aren su over we sre ose 09 fs oss iets ows rig Sez sete ace Sea OSL BS 9% oats Oss 0095 6 onset aE 9s8 ORL 9S *s TRIS 696% ors = OU SLL IEE Ste OOL BS ws Beor BBL ozs HHS STE soe ws SLU ts 0s sr 009 woos = BHZS SLE OL ue StL SUSB OS 7 9p ry come SLOs SLI SL Wz we Set9 BY * erry 1h m9 HF we OL OSS 8F * stay wor opr 059 we 19 StuS Be a stor ose ooze ater Be wo sess oF fea 699E oor seer a seo 00%S OF Be w9r isye ose scr aa 009 000s ae 9 wre ore oor arte aa sus SLLe 9 ve we wile wore 009 az oss SUSh we ze evor Bre ooze seer zz ws sity te 0 Iga eU oe | SLIE SRL seer woz wer StOY OF ia 189 pwse ose 96 SLE OSL ae ose OSes Ea wee Oe we Stes ELL sel ser ose _ 9 a @ ¥ x 7 > 0 SIN teW 9009) ait aH WOR oC SOUPHL dO SIN INV aWsv Puy yews pug aie] pms SUN sauna TAUTETTETT TOOT rar wAUDe sauna awn whet ea ene BONWIs WoaN ONIaTaM Sa (seyou1) seGuel4 499N Buipiem 009 SseI9 40) suo!sUaWIg —~9 sige,AP! Sranpao 605 4 er 90's ‘94 998) P3812 YoU 529 apmI>U! ou S209 “4 2 wd poseq 5210 J0s13e uihap x pur seared gp jo uidvans pou bods v Suusey add 0 Suneus 305 ql} tinue 5 soutr9y1 Bujnioejueu yp sapnyout qt wuts UL (0-7 925) ssmpand a KG pours 9q ee La) # WoHUauig seu ue bw osty osss ors see ob Ieee rte ou ar eas Osts BBE SHO Op we Sep sust BBE ee 8 tous sea Ovo Bree os ve wee Me we Sees eet or oe see suee we ME we SERS See SLL SS OF Berar ose ste we UE SLOSS SLOSS % stRE see aot ze fw Stuy OOF Ica. 5E re REZE eI. seit BE NE OOS Sh wee SLs ze prOr DOE woz ut £ ey ose tes Seah ae of 9sRe one asst ae £ Of Oh ose 219 SOF OE 9 szM ose Ber eZ ks Sees ste 9 sew eH wt mt __osse owe, es stor ae ae a w > oO SIN” gee Cie Tse “awe UPN dO SiN ae ahueLy ay pity wouvavastia ana eM La (setioul) sa6uel4 Yoon BuIpIEN 006 sseIO 40} suoIsUaWiG — J aIqe,APPENDIX A PRESSURE-TEMPERATURE RATINGS IN SI UNITS. This appendix contains the SI version of pressure-temperature ratings. Each table (A-1 and A-2) lists the rated gage pressure in bar at temperature in degrees Celsius for each class. : ‘The pressure unit (I bar) equals 100,000 pascals (100.0 kilopascals). The conver- sion factor is as follows: 1 bar = 14.5038 pounds per square inchLance-Duweten Canon Stee. FLANGES 7 Table A-1 — Pressure-Temperature Ratings (SI) for Plant Piping and Pressure Vessel Flanges* Pressure aera Meual (bar, gage) Temperature (degrees eee Celsius) is 150 300 200 600 300 a CE 38 98. 196 sh 68.1 024 1932 50 96 192 Sou 668 1002 1302 . 100 88 19 4o4 ols 928 BS wr 150 79 158 452 603 905 1337 200 70 140 438 584 a6 Ls S 250 60 I 417 536 834 1252 7 300 Su 102 387 S16 ms 162 2 350 a 84 370 493 29 09 a5 = 4 365 486 29 1094 $00 = 6s 385 460 690 103.5 25 = 56 288 383 575 863. 450 = 47 200 267 401 60.1 a5 - a7 Is 81 1 406 500 = 28 Be m7 i176 264 525 - 19 52 69 wos Iss S40 a 13 33 43 65 38 * Based on the pressute-temperatue raings in ANSI B16.5 (1977) for use with flanges designed in accor t dance with the ASME Code or ANS! B31.3 ® Pressure-temperature ratings are based on mterils specifications ASTM 10S and A216 Grade WCB. Limitations on the use of these materials shall be in aocordance with the applicable code * Maximum service temperature for Clases 150 through 900, Table A-2 — Pressure-Temperature Ratings (SI) for Pipe Line Flanges* SSS Pressure Mel (tar, gage) Temperature ae (ceyrees eee are a ann a CoS UL ase aE SEES Celsius) 300 400 600 300 3 su 681 102. 1532 50 SL 68.1 1021 1532 100 31 681 1021 1532 120 stl 8.1 021 1532 150 493 65.8 986 1479 15 416 a8 95.1 1427 200 459 ols 917 1379 230 41 393 886 B27 * Pressure-lemperatue ratings meet the requirements se forth in ANSIB31.4 and B31.~ APPENDIX B DIMENSIONAL TABLES IN SI UNITS This appendix contains metricated (SI) tables of dimensions corresponding to tables elsewhere in this standard that list U.S. customary values (decimal inch). Dimensions are in millimeters. The conversion factor is as follows: 1 millimeter = 0.03937 inch Table B-1 — Dimensions for Class 75 Welding Neck and Integral Flanges (SI) Table B-2 — Dimensions for Class 150 Welding Neck and Integral Flanges (SI) Table B-3 — Dimensions for Class 300 Welding Neck and Integral Flanges (SI) Table B-4 — Dimensions for Class 400 Welding Neck Flanges (SI) Table B-S — Dimensions for Class 600 Welding Neck Flanges (SI) Table B-6 — Dimensions for Class 900 Welding Neck Flanges (SI) 1”2» [API Sranoano 605 Table 8-1 — Dimensions for Class 75 Welding Neck and Integral Flanges (SI) (millimeters) pera" Ww" Xo rePanarion WELDING NECK FLANGE “sour Welding Neck and Integral Flanges aA ge ea a DMN ee sess sU EE Eee aE Bo COD Raised Bos Number— Bolt Bot Flange _Pange Face Circe of Diameter Hole Machine Stud NPS OD. Thickness _Diameter__—Diameter_—Bolts_(inches)_ Diameter Bak, Bolt ° € R Le L % 76 BS 7048 739 36 8 190 102 ig 8 813 33 7556 747 @ 58 190 102 us 30 Bot 33 8064 825.5 “4 58 190 12 us 32 ols 343 851.2 8763 8 58 190 108 121 34 965 349 908.0 92711 3 58 190 108 121 36 1033 36s 965.2 992.2 0 34 22 14 in 38 1084 381 10160 1083.0 0 a4 22 ua 133 0 1135 381 1066.8 10938 “4 as 222 14 13 a 1186 397 nnn 11446 8 34 22 121 BB 4 1251 29 148 12033 36 78 254 133 146 46 1302 44a 12256 13561 0 7", 234 133 152 8 1353 460 12764 13048 “4 18 254 140 12 50 1403, 476 13272 13557 4 7% 234 140, 139 2 1457 476 13780 1908.7 4 18 234 140 159 5a 1508 492 14288 1460.5 8 We. 254 146 138 56 1575 508 14859 15208 0 1 286 132 1 58 1626 524 15367 136 4s 286 132 i 1 cy 1676 556 15875 1622.4 “4 1 286 159 18Lance-Dinweven Ganson Sreet FLANGES a Table B-1 (Continued)—Dimensions for Class 75 Welding Neck and Integral Flanges (SI) (millimeters) INTEGRAL FLANGE stu sour Welding Neck Flanges Integral Fangest : Diaper Baneter ae Diameter Diane Large End Small End Overall Filet. ASME ANSI Large End Small End Fillet cofHub of Hub Lengih__Radlus Code BBL ofNeck of Neck ID_—_Racius__NPS x 4 y 7 B ze x a or 0763 6620 37S oT 687 6163 m3 es 98 6 nid 728 ao 79 6985 6985 mi R11 5395 8 m9 1636 61 079 7493 1493, m9 m9 Mel 93 30 828.7 8144 os 79 00 $00.1 828.7 8287795393 32 8795 865.2 BO 19 8509 8509 8795 sms a6 273 935.0 9160 8798 9017 9017 9350 9350 8954127 36 985.8 96.8 89 9S 95259525 9858 958 © 9452127 38 10366 1017.6 92.1 95 1003.3 10033 10366 10366 995812740 10574 1058.4 95293 10541105851 1087.4 1oe74 = 1046227 a. 1398 1119208 106911049 11398 1398 10954 127 4 11906 1170010805 11587 1155.7 11906 11906 146.2127 46 413208 93 1206.5 12065 i241 41411954127 8 238 «ane 9s 1257312573, 12922 1392212462127 30 1346 13224 1207s 1308113081 13462 1362 1297012752 1910137328 13s89 13589 13970 ned Bag 1S9 54 Hsko0 42601349 1808.7 1409.7 14510 HsL0 B90) 56 19018 4481 1460.5 1460.5, 13018 15018478159 58 15526 1525861483 ns 1813, 15526 15526 149861596. * Valves NPS 26 and larger probably will be of weld-end type. Should an imegrally cast ange valve be required, the ID mus be reduced to pro vide for taper on hub or any casting variation allowance. * Dimension # (ID) shall be specified by the purchaser (See 2.1). The ‘maximum ID includes the manufacturing tolerance allowed in 3.1 waa aud saBURG HSUPA rica ISN aNSY te09 ee INV “pone carey afi2%y Bonus BONVI4 HOBN ONIOTIM "hapteasia ns e | A, r peeeeeeaad gusannael | “i vias = | O See | el, = fe Elie =| | aa : (oao348 5 Ltt | =| 4 a 8 h G we ) (IS) SaBueLy yOaN Buipram 09 SseI9 10) suoIsuEUNg ea eeAPI Sranoaso 605 24 uoda po dou gyp jo ituans PRM wnat ‘un t me seri gee ec i Psonl Pow » Beol re wee oe ” toot 9.02 we ow ey ea S756 902 men oF $ 6906 Ot me oo eo 8958 oT fo 9 cis eer we oot ve ow Lat fo te ste Let £ ow of 8999 Lz vez oot a re ru Wit os me zor 9 @ 7 ¥ > 0 eed supey sawed SUL GO SIN INV ont meq sium tum i pasty rar amu z ane BONVT4 MOaN ONIaTM nousansnag ov } ll ps inci lt eee eer ies yy Ey |B r 1. y = =| 2 7 —__(oaisioaus sv) Vy ini lz} } as e Vif A ic ae Lo I os TF | eves HEE | (siajouny ) SeBuel4 HON BuIpIEM 006 SSeID 10} suoIsuaWIg—9-g aIqeL