The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 2021
Filed:
Nov. 03, 2017
Applicant:
Posco, Pohang-si, KR;
Inventors:
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/48 (2006.01); C21D 9/46 (2006.01); C21D 8/02 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/00 (2006.01); B21B 3/02 (2006.01); B21B 37/74 (2006.01); C22C 38/40 (2006.01); B21B 1/22 (2006.01);
U.S. Cl.
CPC ...
C22C 38/48 (2013.01); B21B 1/22 (2013.01); B21B 3/02 (2013.01); B21B 37/74 (2013.01); C21D 8/0226 (2013.01); C21D 9/46 (2013.01); C22C 38/00 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/40 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C21D 8/0205 (2013.01); C21D 8/0247 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01);
Abstract
The present invention relates to pressure vessel steel to be used in a hydrogen sulfide atmosphere, and relates to pressure vessel steel having excellent resistance to hydrogen induced cracking (HIC), and a manufacturing method therefor.