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Title:
METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART, HAVING EXCELLENT DRILLING CHARACTERISTICS
Document Type and Number:
WIPO Patent Application WO/2023/113442
Kind Code:
A1
Abstract:
The present invention relates to methods for manufacturing a wire rod for cold forging and a screw part, which can manufacture with only quenching heat treatment a part with excellent drilling characteristics, and which can specifically manufacture a part to be used for mechanical coupling of automotive parts manufactured with different materials.

Inventors:
JUNG BYUNGIN (KR)
CHUN YOUNGSOO (KR)
PARK YONGSIK (KR)
Application Number:
PCT/KR2022/020274
Publication Date:
June 22, 2023
Filing Date:
December 13, 2022
Export Citation:
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Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/28; B21B1/16; C21D9/52; C22C38/00; C22C38/32
Foreign References:
KR20070086836A2007-08-27
KR20200075643A2020-06-26
KR20210077505A2021-06-25
KR20010060772A2001-07-07
JP2003183733A2003-07-03
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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