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:
Feb. 02, 2016
Filed:
May. 11, 2009
Akinori Kawano, Shunan, JP;
Taichirou Mizoguchi, Shunan, JP;
Kouki Tomimura, Shunan, JP;
Wakahiro Harada, Shunan, JP;
Akinori Kawano, Shunan, JP;
Taichirou Mizoguchi, Shunan, JP;
Kouki Tomimura, Shunan, JP;
Wakahiro Harada, Shunan, JP;
NISSHIN STEEL CO., LTD., Tokyo, JP;
Abstract
A ferritic stainless steel suited for use as a member for heat exchangers to be brazed with Ni-based filler metal or Cu-based filler metal, comprising, on the basis of mass percent, C: 0.03% or less, Si: 3% or less, Mn: 2% or less, P: 0.05% or less, S: 0.03% or less, Cr: from 11 to 30%, Nb: from 0.15 to 0.8%, and N: 0.03% or less, wherein the balance is composed of Fe and incidental impurities, and wherein a value A determined by the following equation is 0.10 or greater: A=Nb−(C×92.9/12+N×92.9/14).