SAE A 789 S32550
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | |||
| Mn | 1.50 | |||
| Si | 1.00 | |||
| P | 0.04 | |||
| S | 0.03 | |||
| Cr | 24.00 | 27.00 | ||
| Ni | 4.50 | 6.50 | ||
| Mo | 2.90 | 3.90 | ||
| Cu | 1.50 | 2.50 | ||
| N | 0.10 | 0.25 |
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