Patent · US Active

High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same

US11692259B2 · kind B2 · utility

0Cited by
4References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2022
Grant dateJul 4, 2023
Priority date
Expiry dateMar 15, 2042

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.