Method for the manufacture of a coated steel sheet
US11466354B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 19, 2018 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Mar 22, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D7/0614
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Method for the manufacture of a coated steel sheet including the following step of A) the provision of a pre-coated steel sheet coating with a first coating including iron and nickel, B) the thermal treatment of such pre-coated steel sheet at a temperature between 600 and 1000° C., and C) the coating of the steel sheet obtained in step B) with a second coating based on zinc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.