| 摘要 |
A precipitation hardenable, martensitic stainless steel alloy is disclosed consisting essentially of, in weight percent, about C 0.03 max, Mn 1.0 max, Si 0.75 max, P 0.040 max, S 0.020 max, Cr 10 - 13, Ni 10.5 - 11.6, Ti 1.5 - 1.8 , Mo 0.25 - 1.5, Cu 0.95 max, Al 0.25 max, Nb 0.3 max, B 0.10 max, N 0.030 max , the balance essentially iron. The disclosed alloy provides a unique combination of stress-corrosion cracking resistance, strengh, and notch toughness.
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