Title:
HOT-DIP Al-Zn PLATED STEEL SHEET, METHOD FOR PRODUCING SAME, SURFACE-TREATED STEEL SHEET, AND COATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2023/166858
Kind Code:
A1
Abstract:
Provided is a hot-dip Al-Zn plated steel sheet that has excellent corrosion resistance in a stable manner with certainty. The hot-dip Al-Zn plated steel sheet according to the present invention comprises a plating film and is characterized in that the plating film has a compositional makeup containing 45-65 mass% of Al and 1.0-4.0 mass% of Si, the remaining portion being Zn and unavoidable impurities, and the Ni content in the unavoidable impurities is 0.010 mass% or less with respect to the total mass of the plating film.
Inventors:
YOSHIDA MASAHIRO (JP)
TAIRA SHOICHIRO (JP)
IWANO SUMIHISA (JP)
SATO YOUHEI (JP)
KANNO FUMITAKA (JP)
TAIRA SHOICHIRO (JP)
IWANO SUMIHISA (JP)
SATO YOUHEI (JP)
KANNO FUMITAKA (JP)
Application Number:
PCT/JP2023/000497
Publication Date:
September 07, 2023
Filing Date:
January 11, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
JFE GALVANIZING & COATING CO LTD (JP)
JFE GALVANIZING & COATING CO LTD (JP)
International Classes:
C23C2/12; B32B15/01; C23C2/26; C23C28/00
Domestic Patent References:
| WO2022091849A1 | 2022-05-05 | |||
| WO2022091850A1 | 2022-05-05 | |||
| WO2022091851A1 | 2022-05-05 | |||
| WO2022191213A1 | 2022-09-15 |
Foreign References:
| JP2021139048A | 2021-09-16 | |||
| JP2016540885A | 2016-12-28 | |||
| JPS6055591B2 | 1985-12-05 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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