Patent ID: 11905587
Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 0:
1. An alloy-coated steel sheet comprising:
a steel sheet; and
Al—Mg—Si—Zn alloy layer positioned on the steel sheet,
wherein the Al—Mg—Si—Zn alloy layer comprises a Mg—Zn alloy phase,
the Mg—Zn alloy phase comprises MgZn2 and Mg2Zn11,
the Mg—Zn alloy phase further comprises at least one of Mg1Zn1, Mg21Zn25, Mg51Zn20 and Mg2Zn3, and
the Al—Mg—Si—Zn alloy layer comprises 1 to 20 wt % of Zn based on 100 wt % of total.