ASTM O2
Chemical composition(mass fraction)(wt.%)
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
|---|---|---|---|---|
| C | 0.85 | 0.95 | ||
| Si | 0.50 | |||
| Mn | 1.40 | 1.80 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 0.50 | |||
| Mo | 0.30 | |||
| V | 0.30 | |||
| W | ||||
| Ni+Cu | 0.75 |
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
|---|---|---|---|---|
| C | 0.85 | 0.95 | ||
| Si | 0.50 | |||
| Mn | 1.40 | 1.80 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 0.50 | |||
| Mo | 0.30 | |||
| V | 0.30 | |||
| W | ||||
| Ni+Cu | 0.75 |