AISI S21500
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.15 | ||
| Si | 0.20 | 1.20 | ||
| Mn | 5.50 | 7.50 | ||
| P | 0.04 | |||
| S | 0.03 | |||
| Cr | 14.0 | 16.0 | ||
| Ni | 9.00 | 11.0 | ||
| Mo | 0.80 | 1.02 | ||
| Nb | 0.75 | 1.25 | ||
| V | 0.15 | 0.40 | ||
| B | 0.003 | 0.009 |
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