Galvannealed steel sheet
US11884987B2 · kind B2 · utility
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3References
19Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 19, 2018 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Aug 24, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/345
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the manufacture of a galvannealed steel sheet including the provision of a specific steel sheet, a recrystallization annealing with specific heating, soaking and cooling sub-steps using an inert gas, a hot-dip galvanizing and an alloying treatment; the galvannealed steel sheet and the use of the galvannealed steel sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.