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. 17, 1992
Filed:
Sep. 13, 1991
Applicant:
Inventors:
Tohru Ishiguro, Hokkaido, JP;
Junji Itagaki, Tokyo, JP;
Assignee:
The Japan Steel Works Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428683 ; 428685 ; 428939 ;
Abstract
A weld overlaid stainless clad steel for high temperature and high pressure hydrogen service has the improved elevated temperature strength and excellent resistance to hydrogen induced disbonding. The base steel of the clad steel in the invention contains, in weight percent, 0.05% to 0.30% carbon, not more than 1.5% manganese, 0.8% to 5.5% chromium, 0.5% to 1.5% molybdenum and 0.0005% to 0.010% boron, at least one of 0.010% to 0.040% titanium, 0.010% to 0.040% columbium, with the balance of iron and any other incidental impurities.