Plated steel sheet for hot stamping
US11866828B2 · kind B2 · utility
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Key dates
| Filing date | Mar 9, 2021 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Mar 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/27
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A plated steel sheet for hot stamping including a base metal and a galvanized layer that is formed on a surface of the base metal, wherein the galvanized layer includes a galvannealed layer, a solidified zinc layer, and an oxide layer containing Al, in this order from the base metal, and a proportion of a content of Zn (g/m2) in the solidified zinc layer to a content of Zn (g/m2) in the galvanized layer is 10 to 95%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.