Title:
PLATED STEEL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/221193
Kind Code:
A1
Abstract:
To provide a plated steel material having stable and high planar section corrosion resistance, and a method for manufacturing the same. A plated steel material and a method for manufacturing the same, the plated steel material having a steel material and a plating layer including a Zn-Al-Mg alloy layer disposed on the surface of the steel material, the plating layer having a predetermined chemical composition, Al crystals being present in a backscattered electron image of the Zn-Al-Mg alloy layer obtained when the surface of the Zn-Al-Mg alloy layer is observed at a magnification of 100x by a scanning electron microscope after being polished to a depth of 1/2 the layer thickness of the Zn-Al-Mg alloy layer, and the average value of the total circumference length of the Al crystals being 88-195 mm/mm2.
Inventors:
SAITO MAMORU (JP)
TAKAHASHI TAKEHIRO (JP)
ISHIZUKA KIYOKAZU (JP)
TAKAHASHI TAKEHIRO (JP)
ISHIZUKA KIYOKAZU (JP)
Application Number:
PCT/JP2019/019359
Publication Date:
November 21, 2019
Filing Date:
May 15, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C23C2/06; C22C18/04
Domestic Patent References:
| WO2004038060A1 | 2004-05-06 | |||
| WO2016162982A1 | 2016-10-13 | |||
| WO2013002358A1 | 2013-01-03 |
Foreign References:
| JP2001355055A | 2001-12-25 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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