Resulphurized austenitic stainless steel with improved machinability
US5089224A · kind A · utility
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8Claims
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Key dates
| Filing date | Jun 13, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Jun 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Resulphurized austenitic stainless steel with improved machinability, characterized in that its weight composition is the following: PA1 carbon lower than or equal to 0.15% PA1 silicon lower than or equal to 2% PA1 manganese lower than or equal to 2% PA1 molybdenum lower than or equal to 3% PA1 nickel between 7 and 12% PA1 chromium between 15 and 25% PA1 sulphur between 0.10 and 0.40% PA1 calcium higher than or equal to 30.times.10.sup.-4 % PA1 oxygen higher than or equal to 70.times.10.sup.-4 % PA1 the ratio of the calcium content and of the oxygen content Ca/O being between 0.2 and 0.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.