Plated steel material having excellent friction resistance and white rust resistance and method for preparing same
US10907243B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 16, 2016 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Aug 12, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12757
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A plated steel material includes a plated layer containing, by wt %: 0.5 to 14% of Al, 0.5 to 5% of Mg, and the balance being Zn and inevitable impurities. The plated steel material satisfies the following Equation: ([Mg]S−[Mg]1/2)/[Mg]1/2≥0.3. [Mg]S means a content (wt %) of Mg in a surface of the plated layer, and [Mg]1/2 means a content (wt %) of Mg at a ½t position (t represents a thickness of the plated layer) from the surface of the plated layer in a thickness direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.