Description:
ER120S-G is a copper-coated wire for use with the MIG/MAG process, which deposits a 2% Ni / 0.6% Mo / 0.3% Cr weld metal. It is intended for welding very high tensile quenched and tempered steels with a minimum yield strength of 900N/mm2, such as Weldox 900, but also suitable for Weldox 960 when 5-10% under-matching is specified.
ER120S-G can be welded with either an Ar/20% CO2 or CO2 gas shield, but the Ar mixture gives better fracture toughness at low temperatures and higher strength levels.
Welding Current: DC+
Wire Composition, wt.%
| |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
V |
Al |
Zr |
| Min |
|
0,60 |
1,60 |
|
|
0,20 |
1,90 |
0,30 |
|
|
|
|
| Typical |
0,09 |
0,80 |
1,90 |
|
|
0,30 |
2,20 |
0,55 |
|
|
|
|
| Max |
0,10 |
0,90 |
2,00 |
0,010 |
0,010 |
0,40 |
2,40 |
0,60 |
0,25 |
0,03 |
0,10 |
0,10 |
Shielding Gas:
Acc. to EN 439
C1, 100% CO2, 7-10 l/min
M21, 80% Ar +20% CO2, 7-10 l/min