High cold-forging electromagnetic stainless steel
US5190722A · kind A · utility
3Cited by
3References
9Claims
0Family size
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Key dates
| Filing date | Dec 30, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Dec 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/32
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A high cold-forging electromagnetic stainless steel comprises not more than 0.02 wt. % of C, not more than 0.50 wt. % of Si, not more than 0.50 wt. % of Mn, 10.0-18.0 wt. % of Cr, 0.30-1.50 wt. % of Mo, 0.05-0.50 wt. % of Ti, 0.30-2.00 wt. % of Al, 0.0005-0.05 wt. % of B, not more than 0.05 wt. % of N and the balance being substantially Fe. This steel may further contain a given amount of at least one of Nb, V, Pb, Ca, Se, S and REM. Such stainless steel is used as a material of parts in an electronically controlled fuel injection system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.