C | Mn | Si | Cr | Ni | Mo | Cu | S | P |
≤0.15 | 0.5 ~ 2.5 | ≤0.90 | 28.0 ~ 32.0 | 8.0 ~ 10.5 | ≤0.75 | ≤0.75 | ≤0.030 | ≤0.040 |
Test item | Tensile strength Mpa | Elongation % |
Guaranteed | ≥660 | ≥22 |
Rod diameter (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
Welding Current (A) | 50 ~80 | 80 ~ 110 | 100 ~ 150 | 140 ~ 180 |