SPECIFICATIA PROCEDEULUI DE SUDARE (SPS) Sheet 1\2

WELDING PROCEDURE SPECIFICATION (WPS) According to

EN ISO 15609
WPS No.: SE 300 WPQR No.: 143
Procedeu de sudare / Welding process : 141 + 111
Tipul imbinarii: Racord la manta, bilaterala
Joint type: Double sided branch connection
Tipul / Type : Manual X Semi-automatic Machine

MATERIALE DE BAZA / BASE METALS According to SR CEN/TR ISO 15608

Grupa/Gr. 1.1 la/to Grupa/Gr. 1.2
Domeniu de valabilitate / Validity range
Grosime material de baza Grosime metal depus
Specif. material de baza / Base metal specification Base metal thk. ( T ) [mm] Weld metal thickness
[mm]
141: 1,4 ÷ 2,6
P 275 NL1 + P285NH 3 ÷ 16
111: 3 ÷ 12
(*) Valabil ptr. toate combinatiile din grupele 1.1 si 1.2). Diametru teava / Pipe diameter D  36,5
Valid also for all combinations from groups no. 1.1 and 1.2)
MATERIALE DE ADAOS / FILLER METALS
Nr. strat sud. Proc sudare Marca material de adaos Diam. Clasa EN
Run no. Welding Proc. Filler mat. designation & make Diam. EN Class
p.p. (t.w.) 141 EML 5 2.4 W 46 5 W2Si1 ( EN ISO 636-A )
1 141 EML 5 2.4 W 46 5 W2Si1 ( EN ISO 636-A )
2 111 SANBAZ 2.5 E 42 5 B 42 H5 ( EN ISO 2560 )
3÷z 111 SANBAZ 3.25 E 42 5 B 42 H5 ( EN ISO 2560 )

Recalcinare electrozi /Electrodes re-drying Da/Yes Temperatura 250÷300 Timp minim 2

Recalcinare flux / Flux re-drying Nu/No Temperature (°C) --- Min. time (h) ---
Solid X or tubular Flux ( Type ) : Neutru Nu Activ Nu Aliat Nu
Neutral No Active No Alloy No
CARACTERISTICE ELECTRICE / ELECTRICAL CHARACTERISTICS
Nr. strat sud. Proc sudare Diam. Curent sud. Type & Tensiunea Vit. Sarmei / Wire Viteza de sudare Heat input
Run no. Welding Proc. [mm] Current [A] Polarity Voltage(V) feed speed [m/min] Speed [mm/min] [ KJ/mm ]
p.p. (t.w.) 141 2.4 125÷135 DC - 14 --- --- ---
1 141 2.4 125÷135 DC - 14 --- 50÷70 0,9÷1,36
2 111 2.5 70÷80 DC + 24 --- 120÷200 0,41÷0,77
3÷z 111 3.25 125÷135 DC + 26 --- 160÷260 0,6÷1,06

Dimensiuni, tip electrod wolfram (conf. EN 6.848) WT 20, Wolfram cu/with 2% Thorium.
Tungsten electrode diam. and type (acc. EN 6.848) Ø (2,4 ÷ 3,2) mm.
Tip arc MIG-MAG: Spray Nu Short Nu
Mode of Metal Transfer / MIG-MAG : No No
IMBINARI/WELD PREPARATION DETAILS
S 1 S 1 S1
s1 s2 B p S1
a
4.5 4.5 BG
a a k
5 5 k k k
r
5.6 5.6 S h h
S
c S
c
S c
b6.3 6.3c B G
min. 5x (s1-s2)

r
b a a b a
max.3

b BG BG
7.1 7.1
S1 l b S1 l b b
8 8 S 1 l b
S1 l
k k
8.8 8.8 k k

10 a10 S2 S2 a S 2
a
r
S2
11 11 S c S
h
S
h
S
c r c
b12 12c BG b a BG b a BG b a BG

Sustinere Radacina Da - ptr. 111, depunere sudura. Tip suport radacina Metal depus (111)
Backing Yes - for 111, weld deposit Backing Material (Type ) Weld metal (111)

Code: F-PS-02-6-06.
 SPECIFICATIA PROCEDEULUI DE SUDARE (SPS) Sheet 2\2

WELDING PROCEDURE SPECIFICATION (WPS)

WPS No.: SE 300 WPQR No.: 143

POZITIA DE SUDARE / WELDING POSITION
Pozitie sudura cap la cap / Groove position :
PA PA rot. PC PH PG PE H-L045 J-L045

Pozitie sudura de colt / Fillet position :

PA PA rot. PB PF PG PD
x x x
TEHNICA / TECHNIQUE
Curatire intre straturi Periere si/sau polizare Diam. duzei de gaz
Initial&interpass cleaning Brushing and/or grinding Gas nozzle diameter 8 ÷ 12 mm

Met. de scobire a rad. Nu Distanta duza-piesa contact Nu

Method of back gouging No Cont. tube to work distance No

Rind Filiform: Pendulat: 141 Treceri (pe o parte) 141: Una / Single
Beam Stringer: 141 (p.p.) Weaving: 111 Pass (per side) 111: Mai multe/Multiple

Pendulat Ptr/for 141: max. 4 x Ø vergea Nr. de electrozi Unul, ptr. 141
Weaving Ptr/for 111: max. 3 x Ø metallic core No. of electrodes Single, for 141

Pendulare sud. mecaniz. Nu Ciocanire cordon Nu

Weld oscillation No Peening No

PREINCALZIRE / PREHEAT
Temper. de preincalzire Mentinere preinc. Nu
Preheat temperature (10 ÷ 50) °C Preheat maintenance No

Temper. intre straturi Postincalzire Nu Nu

Interpass temperature max. 250 °C Post-heating No °C No h

TRATAMENT TERMIC DUPA SUDARE / POST-WELD HEAT TREATMENT

Dom. de temperatura Nu Timp de mentinere Nu
Temperature range No Time range No

Alte date Viteza de incalzire: Nu Racire: Nu

Others Heating rate : No Cooling: No

GAZ (conf. EN ISO 14175 / GAS (acc. EN ISO14175)

Protectie cu gaz / Shielding Gas : Da/Yes X Nu/No
Tip/Designation I1 (Argon) Comp.[%] 99.99 Debit/Flow rate 8÷12 l/min
Protectie radacina/Gas Backing : Da/Yes Nu/No X
Tip/Designation Comp.[%] Debit/Flow rate l/min
Protectie trena/Trailing Gas : Da/Yes Nu/No X
Tip/Type Comp.[%] Debit/Flow rate l/min

Rev. DESCRIERE REV. / REV. DESCRIPTION Data/Date Intocmit Aprobat

Prepared Approved
0 Redactare initiala / First print 18.03.2023

Code: F-PS-02-6-06.