Specifications:
AWS A5.28/ASME SFA 5.28
AWS Class ER120S-G
EN 12534
G84MMn4Ni2CrMo
Description:
WT 120S-1 is a low alloy welding wire used in MIG and TIG welding. It has a high strength and low temperature toughness. It has a good resistance to cold cracking and is often used for joining large manufacturing as well as high strength pressure vessels.
Available in multiple sizes and forms.
Welding Parameters:
Spray transfer:
.035”: 160-200 AMPS; 28-32 Volts: 98 Ar/2 O2
.045”: 180-220 AMPS; 30-34 Volts; 75 Ar/25 CO2
Short Arc:
.035”: 100-140 AMPS, 22-25 Volts, 100% CO2
.045”: 120-150 AMPS, 23-26 Volts, 75 Ar/25CO2
Properties:
Tensile Strength: 137,785 PSI
Yield Strength: 129,080 PSI
Elongation: 16%
CHARPY V NOTCH @ -40°F: 66 Joules
Typical Chemical Composition:
| C | Mn | Si | P | S | Ni | Cr | Mo | V | Ti | Zr | Al | Cu |
| 0.9 | 1.9 | 0.80 | 0.005 | 0.005 | 2.15 | 0.35 | 0.55 | 0.004 | 0.08 | 0.012 | 0.01 | 0.13 |