MO

LOW ALLOYED WELDING WIRES

SFA-AWS A5.28 ER70S-A1
EN ISO 14341-A- G 2Mo
EN ISO 636-A- W 2Mo
Average Chemical analysis
C% Si% Mn% P% S% Cu% Cr% Ni% Mo% Al% V% Zr+Ti%
0,090 0,60 1,20 < 0,015 < 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
Rm Rs Al Kv
N/mm² N/mm² %5d +20°C
610 520 25 150 J
The mechanical properties are approximate and may range on the basis of the Heat, shielding gas, welding parameters and other factors
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 135-165° C
Interpass temperature 135-165° C
Post Welding Heat Treatment 620 ± 15° C
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
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
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.

Approvals Contact ITALFIL
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