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:
May. 18, 2010
Filed:
Apr. 03, 2007
Applicants:
Akira Usami, Futtsu, JP;
Shunji Sakamoto, Kitakyushu, JP;
Satoshi Nishimura, Kitakyushu, JP;
Motohiro Okushima, Tokai, JP;
Takashi Kusunoki, Tokyo, JP;
Inventors:
Akira Usami, Futtsu, JP;
Shunji Sakamoto, Kitakyushu, JP;
Satoshi Nishimura, Kitakyushu, JP;
Motohiro Okushima, Tokai, JP;
Takashi Kusunoki, Tokyo, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a low alloy steel and a weld joint thereof excellent in hydrochloric acid corrosion resistance and sulfuric acid corrosion resistance, said low alloy steel containing, in mass, Here, said AI is given by the following expression,/10,000=0.0005+0.045×Sb %−C %×Mo %,where % means mass %.