Title:
HOT-ROLLED STEEL SHEET FOR HYPER TUBE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/033478
Kind Code:
A1
Abstract:
An aspect of the present invention may provide: a hot-rolled steel sheet that is excellent in terms of yield strength, vibration damping ratio, weldability, and weld site-low temperature toughness, and thus has physical properties suitable for application to a hyper tube; and a manufacturing method therefor.
Inventors:
YANG HONG-SEOK (KR)
KIM HEUNG-JU (KR)
KIM HAN-SUNG (KR)
LEE JEONG-UK (KR)
LA SEUNG-MIN (KR)
KIM HEUNG-JU (KR)
KIM HAN-SUNG (KR)
LEE JEONG-UK (KR)
LA SEUNG-MIN (KR)
Application Number:
PCT/KR2022/012878
Publication Date:
March 09, 2023
Filing Date:
August 29, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C22C38/04; B21C47/02; C21D8/02; C22C38/02; C22C38/12; C22C38/14
Foreign References:
| JP2006124773A | 2006-05-18 | |||
| JP2007291511A | 2007-11-08 | |||
| CN105658830A | 2016-06-08 | |||
| JP2016047956A | 2016-04-07 | |||
| KR101485237B1 | 2015-01-22 | |||
| KR102106353B1 | 2020-05-04 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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