SAE A 409 S31726
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | |||
| Mn | 2.00 | |||
| Si | 0.75 | |||
| P | 0.045 | |||
| S | 0.03 | |||
| Cr | 17.00 | 20.00 | ||
| Ni | 13.50 | 17.50 | ||
| Mo | 4.00 | 5.00 | ||
| Cu | 0.75 | |||
| N | 0.10 | 0.20 |
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