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Patent Searching and Data


Title:
ZINC ALLOY PLATED STEEL HAVING EXCELLENT WELDABILITY AND CORROSION RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2018/124629
Kind Code:
A1
Abstract:
Disclosed are a zinc alloy plated steel and a method for manufacturing same, the zinc alloy plated steel comprising: a base iron; a Zn plated layer formed on top of the base iron; and a Zn-Mg alloy layer formed on top of the Zn plated layer and obtained through mutual diffusion of Zn and Mg, wherein the ratio of the weight of Mg contained in the Zn-Mg alloy layer with respect to the total weight of the Zn plated layer and the Zn-Mg alloy layer is 0.13 to 0.24, and the sum of the adhesion quantity of the Zn layer and the Zn-Mg alloy layer is no more than 40g/m2 (more than 0g/m2).

Inventors:
KWAK YOUNG-JIN (KR)
CHOI DU-YOUL (KR)
Application Number:
PCT/KR2017/015221
Publication Date:
July 05, 2018
Filing Date:
December 21, 2017
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
C22C18/00; C23C28/02; C22C38/02; C22C38/04; C22C38/06; C23C14/16; C23C14/54; C23C14/58; C25D3/22
Foreign References:
KR910008175B11991-10-10
KR20090072381A2009-07-02
KR20160054111A2016-05-16
JP2010275633A2010-12-09
JP2002275611A2002-09-25
Other References:
See also references of EP 3561155A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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