C | Mn | Si | Cr | Ni | Mo | Cu | S | P |
≤0.04 | 0.5 ~ 2.5 | ≤0.90 | 18.0 ~ 21.0 | 12.0 ~ 14.0 | 3.0 ~ 4.0 | ≤0.75 | ≤0.030 | ≤0.040 |
Test item | Tensile strength Mpa | Elongation % |
Guaranteed | ≥520 | ≥25 |
Rod diameter (mm) | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
Welding Current (A) | 25 ~ 50 | 50 ~ 80 | 80 ~ 110 | 110 ~ 160 | 160 ~ 220 |