DIN 1.4977
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | Co(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.35-0.45 | Max 1.00 | Max 1.50 | Max 0.045 | Max 0.030 | 19.0-21.0 | 19.0-21.0 | 3.50-4.50 | 3.50-4.50 | 19.0-21.0 | Nb/Ta 3.50-4.50 |
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