ASTM 403CB+, H46, B50A365, S40300, B50A365B,403
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.13 | 0.18 | ||
| Si | 0.50 | |||
| Mn | 0.40 | 0.60 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 11.50 | 13.00 | ||
| Ni | 0.50 | |||
| Mo | 0.20 | |||
| Nb | 0.15 | 0.45 | ||
| Al | 0.05 |
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