Method of producing non-oriented magnetic steel heavy plate having high magnetic flux density
US4950336A · kind A · utility
6Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Jun 19, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D3/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of producing non-oriented magnetic steel heavy plate that has good magnetic properties in a low magnetic field that comprises hot-rolling high-purity steel, adjusting the crystal grain size and dehydrogenation treatment, whereby the a uniform ferrite grain diameter is imparted to the steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.