ASTM B 637 N07750 Type 1
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | |||
| Mn | 1.0 | |||
| Si | 0.5 | |||
| S | 0.01 | |||
| P | 0.015 | |||
| Cu | 0.5 | |||
| Fe | 5.0 | 9.0 | ||
| Co | 1.0 | |||
| Nb | 0.70 | 1.20 | ||
| Cr | 14.0 | 17.0 | ||
| Ni | 70 | |||
| Al | 0.40 | 1.00 | ||
| Ti | 2.25 | 2.75 |
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