High manganese nonmagnetic steel having excellent machinability
US4329172A · kind A · utility
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4References
2Claims
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Key dates
| Filing date | Dec 29, 1980 |
| Grant date | May 11, 1982 |
| Priority date | — |
| Expiry date | Dec 29, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The nonmagnetic alloy consists of 0.22-0.30% by weight of carbon, 22-28% by weight of manganese, up to 4% by weight of silicon, 0.030-0.10% by weight of sulphur, 0.001-0.008% by weight of calcium, 0.001-0.008% by weight of sol.Al and the balance of iron. If desired, either one or both of up to 2.0% by weight of chromium and up to 2.0% by weight of vanadium may be incorporated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.