Description
Typical Chemical Composition (%)
| C | Mn | Si | Cr | Ni | Mo | Cu | S | P | Nb |
| 0.08 max | 1.50 – 2.50 | 0.30 – 0.65 | 18.00 – 20.00 | 11.00 – 14.00 | 2.00 – 3.00 | 0.50 max | 0.03 max | 0.03 max | 8*C min – 1.00 max |
Typical All-Weld Mechanical Properties
| Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Elongation A5 (%) | Impact Energy ISO-V(J) 20°C |
| ≥ 400 | ≥ 550 | ≥ 30% | ≥ 65 |
Recommended Welding Data
| Shielding Gas | Unit | 0.8 | 1.0 | 1.2 |
| Ar + 1–2% CO₂ | Amp | 40-120 | 80-160 | 100-210 |
| Volt | 15-20 | 16-22 | 17-22 | |
| Ar + 1–2% O₂ | Amp | 160-210 | 180-280 | 200-300 |
| Volt | 24-28 | 24-30 | 24-30 |







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