| C | 0.05 max |
| Mn | 2.0 ,ax |
| P | 0.035 max |
| S | 0.015 max |
| Si | 1.0 max |
| Cr | 25.0-28.0 |
| Mo | 1.3-2.0 |
| Ni | 4.5-6.2 |
| N | 0.05-0.2 |
| Proof Strength | Tensile Strength | Elongation | Hardness |
| MPa | MPa | % | Brinell |
| ≥450 | 620-800 | 20 | ≤260 |
| C | 0.05 max |
| Mn | 2.0 ,ax |
| P | 0.035 max |
| S | 0.015 max |
| Si | 1.0 max |
| Cr | 25.0-28.0 |
| Mo | 1.3-2.0 |
| Ni | 4.5-6.2 |
| N | 0.05-0.2 |
| Proof Strength | Tensile Strength | Elongation | Hardness |
| MPa | MPa | % | Brinell |
| ≥450 | 620-800 | 20 | ≤260 |