UNS T20821
Chemical composition(mass fraction)(wt.%)
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
|---|---|---|---|---|
| C | 0.30 | 0.40 | ||
| Si | 0.15 | 0.30 | ||
| Mn | 0.20 | 0.40 | ||
| Cr | 3.00 | 3.75 | ||
| Mo | ||||
| V | 0.30 | 0.50 | ||
| W | 8.75 | 10.00 |
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
|---|---|---|---|---|
| C | 0.30 | 0.40 | ||
| Si | 0.15 | 0.30 | ||
| Mn | 0.20 | 0.40 | ||
| Cr | 3.00 | 3.75 | ||
| Mo | ||||
| V | 0.30 | 0.50 | ||
| W | 8.75 | 10.00 |