High-strength galvanized steel sheet and method of manufacturing the same
US9895863B2 · kind B2 · utility
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Key dates
| Filing date | Aug 22, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Aug 22, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A high-strength galvanized steel sheet includes a base steel sheet having a specific chemical composition and a zinc coating layer disposed on the surface of the base steel sheet in a coating weight per side of 20 g/m2 to 120 g/m2, wherein the amount of hydrogen measured by a specific method is 0.05 mass ppm to 0.40 mass ppm; and ISisur/ISibulk and IMnsur/IMnbulk calculated by a specific method are not more than 2.0 and not more than 3.0, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.