ASTM M46
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 1.22 | 1.30 | ||
| Si | 0.40 | 0.65 | ||
| Mn | 0.20 | 0.40 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 3.70 | 4.20 | ||
| Mo | 8.00 | 8.50 | ||
| V | 3.00 | 3.30 | ||
| W | 1.90 | 2.20 | ||
| Co | 7.80 | 8.80 |
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