Steel sheet provided with a coating providing sacrificial cathodic protection comprising lanthane
US10676804B2 · kind B2 · utility
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2References
16Claims
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Assignee
Inventors
Key dates
| Filing date | May 28, 2015 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Jan 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C2/28
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A steel sheet is provided with a coating providing sacrificial cathodic protection. The coating includes between 1 and 40% by weight zinc, between 0.01 and 0.4% by weight lanthanum, optionally up to 10% by weight magnesium, optionally up to 15% by weight silicon, and optionally up to 0.3% by weight, in cumulative amounts, of additional components, the remainder includes aluminum and unavoidable impurities or residual elements. A method of producing parts by hot or cold swaging and the parts which can be obtained in this way are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.