Steel sheet for hot pressing and method of manufacturing hot-pressed part using steel sheet for hot pressing
US9023488B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2011 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Nov 21, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2495
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In order to provide a steel sheet for hot pressing from which a hot-pressed part excellent in perforation corrosion resistance is obtainable and a method of manufacturing a hot-pressed part using the steel sheet for hot pressing, provided is a steel sheet for hot pressing having, sequentially on a surface of a base steel sheet: a plating layer I containing 60% by mass or more of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 0.01 to 5 g/m2; and a plating layer II containing 10 to 25% by mass of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 10 to 90 g/m2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.