Title:
APPARATUS AND METHOD FOR CONTINUOUSLY HOT ROLLING NONJOINING-MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/054570
Kind Code:
A1
Abstract:
A method for continuously hot rolling a nonjoining-material high grade steel is disclosed. A method for continuously hot rolling a nonjoining-material, according to one embodiment of the present invention, comprises the steps of: melting surface scales by coating a boron-based flux or a mixture of a fluorine-based flux and a boron-based flux on a joining region at which a plurality of rolling materials to be joined overlap; and overlapping both ends of a plurality of rolling materials so as to perform shear deformation.
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Inventors:
KANG YOUN-HEE (KR)
LEE DO RYUN (KR)
LEE JAE-KON (KR)
KIM SANG-HOON (KR)
MOON CHANG HO (KR)
KIM JIN-HO (KR)
LEE DO RYUN (KR)
LEE JAE-KON (KR)
KIM SANG-HOON (KR)
MOON CHANG HO (KR)
KIM JIN-HO (KR)
Application Number:
PCT/KR2017/014089
Publication Date:
March 21, 2019
Filing Date:
December 04, 2017
Export Citation:
Assignee:
POSCO (KR)
International Classes:
B21B1/26; B21B15/00; B21B45/00; B21B45/06
Foreign References:
| KR20120075308A | 2012-07-06 | |||
| JPS63126603A | 1988-05-30 | |||
| KR930006494B1 | 1993-07-16 | |||
| JPH0790648A | 1995-04-04 | |||
| KR20070068220A | 2007-06-29 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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