AWS A5.5 E7015-G low hydrogen welding rods with flux coating Description:It is a low temperature steel welding rod with low sodium hydrogen coating containing nickel. Full position welding can be carried out by dc reverse connection. In -80°C weld metal still has good impact toughness.
USES:Welded -80°C working 1.5Ni steel structure.
Deposited Metal Chemical Composition: | C | Mn | Si | Ni | S | P |
Standard | ≤0.08 | ≤1.25 | ≤0.60 | ≥1.00 | ≤0.035 | ≤0.035 |
Test | 0.045 | 0.60 | 0.27 | 1.80 | 0.010 | 0.015 |
Deposited Metal Mechanical Performance | Tensile Strength Rm (MPa) | Yield Strength Rel (MPa) | Elongation A (%) | -80°C Impact Value Akv (J) |
Standard | ≥490 | ≥390 | ≥22 | ≥27 |
Test | 530 | 445 | 30 | 100 |
Referential Current (DC+)Diameter (mm) | 3.2 | 4.0 | 5.0 |
Length (mm) | 350 | 400 | 400 |
Current (A) | 90-120 | 140-180 | 180-210 |