High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same
US11306381B2 · kind B2 · utility
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Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Sep 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/32
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided are a hot-dip zinc plated steel material and a method for preparing same, the hot-dip zinc plated steel material comprising: base iron comprising 0.01-1.6 wt % of Si and 1.2-3.1 wt % of Mn; a Zn—Al—Mg alloy plating layer; and an Al-rich layer formed on the interface of the base iron and Zn—Al—Mg alloy plating layer, wherein the rate of occupied surface area of the Al-rich layer is 70% or higher (including 100%).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.