SAE A 955 XM-29 Grade 420
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.01 | |||
| Si | 0.20 | |||
| Mn | 0.30 | |||
| P | ||||
| S | ||||
| Ni | 2.00 | 2.50 | ||
| Cr | 28.00 | 30.00 | ||
| Al | ||||
| Cu | 0.15 | |||
| Ti | ||||
| Fe | ||||
| N | 0.02 | |||
| Mo | 3.50 | 4.20 |
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