Method for manufacturing single-oriented electrical steel sheets comprising antimony and having a high magnetic induction
US3932234A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1973 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Oct 9, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D8/1233
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Single-oriented electrical steel sheets having a high magnetic induction can be produced by hot rolling a silicon steel raw material containing less than 0.06% of C and less than 4% of Si, subjecting to annealing step and cold rolling step conveniently repeatedly to form a cold rolled steel sheet having a final gauge and subjecting to a decarburization annealing and a final annealing to develop secondary recrystallized grains having (110)[001] orientation, said silicon steel raw material being characterized in containing 0.005-0.200% of Sb and less than 0.10% of at least one of Se and S. Said final annealing for secondary recrystallization at a temperature of 800.degree.-920.degree.C gives a preferable result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.