Electro magnetic steels
US4306922A · kind A · utility
17Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1980 |
| Grant date | Dec 22, 1981 |
| Priority date | — |
| Expiry date | Aug 21, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D8/1244
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for producing non-oriented steel for electromagnetic applications comprises hot rolling a steel containing a nitride/carbide former and coiling the hot band at a temperature of not less than 680.degree. C. before cold reduction and annealing in a non-decarburizing atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.