AWS 1.4439
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.030 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.045 | |||
| S | 0.015 | |||
| Cr | 16.5 | 18.5 | ||
| Ni | 12.5 | 14.5 | ||
| Mo | 4.00 | 5.00 | ||
| N | 0.12 | 0.22 |
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