Title:
GALVANIZED STEEL SHEET FOR HOT STAMPING, METHOD FOR PRODUCING GALVANIZED STEEL SHEET FOR HOT STAMPING, AND HOT STAMP MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2021/002415
Kind Code:
A1
Abstract:
This galvanized steel sheet for hot stamping comprises: a steel sheet that has a predetermined chemical composition; and a galvanization film that is arranged on the steel sheet. The galvanization film has a plating amount of 15.0 g/m2 or more but less than 40.0 g/m2, an Fe concentration of from 1.5% by mass to 8.0% by mass (inclusive), an Al amount of from 100 mg/m2 to 400 mg/m2 (inclusive) and an Al concentration of from 0.50% by mass to 3.00% by mass (inclusive), with the balance being made up of Zn and impurities.
Inventors:
NAKAGAWA HIROYUKI (JP)
AKUTSU HIROKI (JP)
AKUTSU HIROKI (JP)
Application Number:
PCT/JP2020/025964
Publication Date:
January 07, 2021
Filing Date:
July 02, 2020
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D9/00; C21D1/18; C21D9/46; C22C18/00; C22C38/00; C22C38/58; C23C2/06; C23C2/28; C23C2/40
Domestic Patent References:
| WO2013047836A1 | 2013-04-04 | |||
| WO2014024825A1 | 2014-02-13 | |||
| WO2014024825A1 | 2014-02-13 |
Foreign References:
| JP2017186663A | 2017-10-12 | |||
| JP2006037141A | 2006-02-09 | |||
| JP2003147499A | 2003-05-21 | |||
| JP2017031452A | 2017-02-09 | |||
| JP2014125672A | 2014-07-07 | |||
| JP2019123332A | 2019-07-25 | |||
| JP2019123333A | 2019-07-25 | |||
| JP2003073774A | 2003-03-12 | |||
| JP2001353548A | 2001-12-25 | |||
| JP2005048254A | 2005-02-24 |
Other References:
See also references of EP 3995596A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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