Title:
AUSTENITIC WELDED STEEL TUBE HAVING WEAR RESISTANCE AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2023/121243
Kind Code:
A1
Abstract:
According to aspects of the present invention, provided are a welded steel tube and a manufacturing method for same which can provide excellent wear resistance and also minimize hot cracking of the welded portion.
Inventors:
LEE SANG-CHUL (KR)
Application Number:
PCT/KR2022/020872
Publication Date:
June 29, 2023
Filing Date:
December 20, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
B23K9/16; B23K9/18; B23K11/00; B23K35/30; B23K101/04
Foreign References:
| KR20190050926A | 2019-05-14 | |||
| KR20170035563A | 2017-03-31 | |||
| KR20140081586A | 2014-07-01 | |||
| KR20170025430A | 2017-03-08 | |||
| EP3778950A1 | 2021-02-17 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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