C9M

LOW ALLOYED WELDING WIRES

SFA-AWS A5.28 ER80S-B8
EN ISO 21952-A- G/W CrMo9Si
Average Chemical analysis
C% Si% Mn% P% S% Cu% Cr% Ni% Mo%
0,070 0,45 0,55 < 0,018 < 0,020 <0,25 9,00 < 0,20 1,00
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
720 600 24 80 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: 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 205-260° C
Interpass temperature 205-260° C
Post Welding Heat Treatment 745 ± 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 X12CrMo9; GX12CrMo 10 1; X9CrMo91; X12CrMo91 V; X12CrMo 10 1; X 9 CrMo9 1; X 7 CrMo 9 1; GS-12CrMo10 1; X12CrMo91V
Applications

Good resistance to strain, cracking, oxidation and high temperature corrosion. Low impact strength. For pipelines and specifically for the welding of tubes for cracking petroliferous facilities, steam and pressure tanks, power stations.

Approvals Contact ITALFIL
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