GBT K419
Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | W(%) | Co(%) | B(%) | Nb(%) | Al(%) | Ti(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.09-0.14 | Max 0.2 | Max 0.2 | Max 0.015 | Max 0.015 | 5.50-6.50 | Balance | 1.70-2.30 | Max 0.10 | 9.50-10.7 | 11.0-13.0 | 0.005-0.10 | 2.50-3.30 | 5.20-5.70 | 1.00-1.50 | Zr :0.03-0.08 |
