Specifications:
AWS A5.28/ASME SFA 5.28
AWS Class ER120S-1
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 down -60°F. 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: 125,000 PSI
Yield Strength: 115,000 PSI
Elongation: 19%
CHARPY V NOTCH @ -60°F: 75 ft lbs
Typical Chemical Composition:
| C | Mn | Si | P | S | Ni | Cr | Mo | V | Ti | Zr | Al | Cu |
| 0.8 | 1.7 | 0.45 | 0.005 | 0.005 | 2.0 | 0.07 | 0.5 | 0.01 | 0.003 | 0.003 | 0.003 | 0.18 |