LOW ALLOYED WELDING WIRES

Classifications

SFA-AWS A5.28 ER70S-A1
EN ISO 14341-A- G 2Mo
EN ISO 21952-A- G/W MoSi
EN ISO 636-A- W 2Mo

Process

GAS MIG TIG A.S.

Applications

Structural steels resistant to heat and to hot work creep. Pipelines, steam boilers, pressure tanks, gas pipes, ship building sector, chemical, petrolchemical sector, equipment, building of cranes.

Base materials to be welded

P295GH, P355GH, 16Mo3, 17Mo3, 14Mo6, S275, S355, S420, A210, A285, A335, A516, S275Ml, S355M, S420M, S460 15Mo3, 10MnMo45, 11MnMo45, GS60, GS22Mo4, 20MnMoNi5-5, 15NiCuMoNd5S, 17MnMoV64

Dimensions

MIG (mm)

0,60 - 0,80 - 0,90 - 1,00 - 1,14 - 1,20 - 1,40 - 1,60

TIG (mm)

1,00 - 1,20 - 1,60 - 2,00 - 2,40 - 3,00 - 3,20 - 4,00

Welding process

Protection

MIG: C1, M21, Argon + 1-5% O2,/ TIG: I1 (Argon)

Current and polarity

MIG: DC+ / TIG: DC-

Welding positions

EN ISO 6947: PA, PB, PC, PD, PE, PF, PG

Pre Heating temperature

135-165Â° C

Interpass temperature

135-165Â° C

Post Welding Heat Treatment

620 Â± 15Â° C

Average Chemical analysis

Si%

Mn%

Cu%

Cr%

Ni%

Mo%

Al%

Zr+Ti%

0,090

0,60

1,20

< 0,015

< 0,25

< 0,15

< 0,10

0,50

< 0,030

< 0,020

< 0,050

The copper value include the surface coating

Typical mechanical properties of all-weld metal

N/mm²

%5d

+20°C

-40°C

610

520

150 J

> 47 J

The mechanical properties are approximate and may range on the basis of the Heat, shielding gas, welding parameters and other factors

Approvals

Contact ITALFIL

Fields of application

Energy

Pipeline oil & gas

Structures