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.

Date of Patent:
Apr. 03, 2018

Filed:

Jun. 14, 2010
Applicants:

Manabu Oku, Yamaguchi, JP;

Sadayuki Nakamura, Yamaguchi, JP;

Yoshiaki Hori, Yamaguchi, JP;

Inventors:

Manabu Oku, Yamaguchi, JP;

Sadayuki Nakamura, Yamaguchi, JP;

Yoshiaki Hori, Yamaguchi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/04 (2006.01); C21D 8/02 (2006.01); B23K 35/30 (2006.01); C21D 6/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/20 (2006.01); C22C 38/26 (2006.01); F28F 21/08 (2006.01); B23K 101/14 (2006.01); F28D 7/16 (2006.01); F28D 21/00 (2006.01); F28F 1/12 (2006.01);
U.S. Cl.
CPC ...
C21D 8/0273 (2013.01); B23K 35/308 (2013.01); C21D 6/002 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/20 (2013.01); C22C 38/26 (2013.01); F28F 21/089 (2013.01); B23K 2201/14 (2013.01); F28D 7/16 (2013.01); F28D 21/0003 (2013.01); F28F 1/12 (2013.01);
Abstract

A ferritic stainless steel material for brazing without grain coarsening has a partially recrystallized structure and composition comprising, in % by mass, C:0.03% or less, Si: more than 0.1 to 3%, Mn: 0.1 to 2%, Cr: 10 to 35%, Nb: 0.2 to 0.8%, N: 0.03% or less, if necessary, at least one of Mo, Cu, V and W: 4% or less in total, at least one of Ti and Zr: 0.5% or less in total, at least one of Ni and Co: 5% or less in total, or at least one of Al: 6% or less, REM (rare earth metal): 0.2% or less and Ca: 0.1% or less, the remainder being Fe and unavoidable impurities, wherein area ratio in percentage of recrystallized grains formed by heating after cold working is from 10 to 80%.


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