SAE A 959 S31500
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | |||
| Mn | 1.20 | 2.00 | ||
| Si | 1.40 | 2.00 | ||
| P | 0.03 | |||
| S | 0.03 | |||
| Cr | 18.00 | 19.00 | ||
| Ni | 4.25 | 5.25 | ||
| Mo | 2.50 | 3.00 |
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