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:
Nov. 02, 2021
Filed:
Oct. 09, 2013
Applicant:
Baoshan Iron & Steel Co., Ltd., Shanghai, CN;
Inventors:
Peng Zhao, Shanghai, CN;
Jie Yu, Shanghai, CN;
Shaofeng Liu, Shanghai, CN;
Chunxia Zhang, Shanghai, CN;
Minghua Wang, Shanghai, CN;
Assignee:
Baoshan Iron & Steel Co., Ltd., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/00 (2006.01); B21K 1/76 (2006.01); C21D 6/00 (2006.01); C21D 9/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/44 (2006.01); C21D 1/25 (2006.01); C21D 7/13 (2006.01);
U.S. Cl.
CPC ...
C21D 8/005 (2013.01); B21K 1/76 (2013.01); C21D 1/25 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 9/0068 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/44 (2013.01); C21D 7/13 (2013.01); C21D 2211/008 (2013.01);
Abstract
The present invention discloses a method for manufacturing a superior 13Cr tool coupler, which method comprises the following steps: manufacturing a blank; forging the blank; heating the forged blank to 600-700° C. for a stress-relief annealing; quenching; and tempering. The present technical solution can produce a superior 13Cr tool coupler which achieves a mechanic feature of 110 ksi.