NCF3015合金是一种沉淀硬化铁-镍基气阀钢，其机械性能在铁基和镍基合金的气阀钢之间，并相比镍基气阀钢具有更低的成本。
NCF3015 alloy is a precipitation hardened iron nickel based valve steel, with mechanical properties between iron based and nickel based alloy valve steels and lower cost compared to nickel based valve steel.
| 元素 | C | Si | Mn | P | S | Cr | N |
| 质量分数% | ≤0.08 | ≤0.5 | ≤0.5 | ≤0.015 | ≤0.01 | 13.5-15.5 | <150ppm |
| 元素 | Ni | Mo | Al | Ti | Nb | B | Fe |
| 质量分数% | 30-33.5 | 0.4-1.0 | 1.6-2.2 | 2.3-2.9 | 0.4-0.9 | 0.001-0.004 | 余量 |
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