Zinc alloy coated press-hardenable steels and method of manufacturing the same
US11913118B2 · kind B2 · utility
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2References
15Claims
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Key dates
| Filing date | Feb 28, 2019 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Jul 18, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C2/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure relates to coated steel strip providing the steel with cathodic protection before and after the steel is press hardened or hot formed at a high austenitization temperature up to 950° C. The coating of the coated steel strip comprises zinc, aluminum, and at least one element selected from manganese (Mn) and/or antimony (Sb).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.