High strength martensitic stainless steel alloys, methods of forming the same, and articles formed therefrom
US7901519B2 · kind B2 · utility
2Cited by
13References
63Claims
0Family size
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Key dates
| Filing date | Dec 10, 2003 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Dec 10, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A precipitation hardenable martensitic stainless steel that includes, in percent by weight, 11.0 to 12.5 percent chromium, 1.0 to 2.5 percent molybdenum, 0.15 to 0.5 percent titanium, 0.7 to 1.5 percent aluminum, 0.5 to 2.5 percent copper, 9.0 to 11.0 percent nickel, up to 0.02 percent carbon, up to 2.0 percent tungsten, and up to 0.001 percent boron. Articles formed from the stainless steel and methods of forming the same are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.