Title:
PLATED STEEL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/154082
Kind Code:
A1
Abstract:
This plated steel material comprises a steel material and a plating layer that is formed on the steel material; the plating layer has a chemical composition which contains, in mass%, from 1.0% to 30.0% of Zn, from 0% to 10.0% of Mg, from 0.05% to 10.0% of Si and from 0% to 10.0% of Fe, while containing one or more elements that are selected from among from 0% to 3.00% of Ca, from 0% to 0.50% of Sb, from 0% to 0.50% of Pb, from 0% to 0.50% of Sr, from 0% to 1.00% of Sn, from 0% to 1.00% of Cu, from 0% to 1.00% of Ti, from 0% to 1.00% of Ni, from 0% to 1.00% of Mn, from 0% to 1.00% of Cr, from 0% to 1.00% of La, from 0% to 1.00% of Ce, from 0% to 1.00% of Zr and from 0% to 1.00% of Hf, in a total amount of from 0% to 5.00%, with the balance being made up of Al and impurities; the structure of the plating layer contains an α phase that is a solid solution of Al and Zn; and Zn phases having a particle diameter of from 10 nm to 200 nm are contained in the α phase at a number density of 10 per 100 μm2 or more.
Inventors:
MITSUNOBU TAKUYA (JP)
TAKEBAYASHI HIROSHI (JP)
TAKAHASHI TAKEHIRO (JP)
TAKEBAYASHI HIROSHI (JP)
TAKAHASHI TAKEHIRO (JP)
Application Number:
PCT/JP2022/001109
Publication Date:
July 21, 2022
Filing Date:
January 14, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C23C2/06; C21D1/18; C21D9/00; C22C21/00; C22C21/02; C22C21/06; C22C21/10; C22C38/00; C22C38/04; C23C2/26
Domestic Patent References:
| WO2018179397A1 | 2018-10-04 | |||
| WO2017017513A1 | 2017-02-02 | |||
| WO2017017514A1 | 2017-02-02 |
Foreign References:
| JP2003113456A | 2003-04-18 | |||
| JP2014527120A | 2014-10-09 | |||
| JP2018527462A | 2018-09-20 | |||
| JP2021004021A | 2021-01-14 |
Other References:
See also references of EP 4230760A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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