Class: E71T-1
AWS: A5.20
Conforms to Certification: AWS A5.20 ASME SFA A5.20
Weld Process: Mig Welding Process
| AWS Chemical Composition Requirements | |
| C = 0.18 max | Cr = 0.20 max |
| Mn = 1.75 max | Ni = 0.50 max |
| Si = 0.90 max | Mo = 0.30 max |
| P = 0.03 max | V = 0.08 max |
| S = 0.03 max | Cu = 0.35 max |
Available Sizes – Diameter X Spool Sizes
.035 x 10#, 33#
.045 x 10#, 33#
1/16 x 33#
Drums available upon request
Application
E71T-1 is designed for welding mild and medium carbon steels in all positions.
| Deposited Chemical Composition % (Typical) | ||
| C = 0.06 | Mn = 1.40 | Si = 0.70 |
| Deposited All Weld Metal Properties % (As Welded) | |
| Tensile Strength | 90,000 psi |
| Yield Strength | 78,500 psi |
| Elongation | 27% |
Deposited Charpy-V-Notch Impact Properties %
32 ft. lbs. (at 0ºF)
| Recommended Welding Parameters | |||
| Diameter of Wire | Voltage (V) | Amperage (A) | Shielding Gas |
| .035 inches | 20 – 30 | 130 – 280 | 100% Co2 or 75% Argon + 25% Co2 |
| .045 inches | 23 – 30 | 150 – 290 | 100% Co2 or 75% Argon + 25% Co2 |


