Title:
STEEL MATERIAL FOR HOT FORMING, HOT-FORMED MEMBER, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/022445
Kind Code:
A1
Abstract:
The present invention relates to: a steel material for hot forming, used for a vehicle and the like; a hot-formed member; and a method for manufacturing same. In the method, when the formed steel material is temper rolled, rolling pressure and roughness of temper-rolling rolls are controlled so that bendability can be improved.
Inventors:
LEE SEA-WOONG (KR)
OH JIN-KEUN (KR)
KIM SEONG-WOO (KR)
KIM SANG-HEON (KR)
CHUN HYO-SIK (KR)
HAN SANG-BIN (KR)
OH JIN-KEUN (KR)
KIM SEONG-WOO (KR)
KIM SANG-HEON (KR)
CHUN HYO-SIK (KR)
HAN SANG-BIN (KR)
Application Number:
PCT/KR2022/012070
Publication Date:
February 23, 2023
Filing Date:
August 12, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/38; B21C47/02; C21D8/02; C22C38/00; C22C38/06; C22C38/22; C22C38/26; C22C38/28; C22C38/58
Foreign References:
| KR20210080239A | 2021-06-30 | |||
| KR20010060423A | 2001-07-07 | |||
| KR101569508B1 | 2015-11-17 | |||
| KR20160078851A | 2016-07-05 | |||
| JP2000038640A | 2000-02-08 | |||
| US6296805B1 | 2001-10-02 | |||
| KR101569508B1 | 2015-11-17 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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