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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.:

US 9669482 B1

PDFFull Text
Date of Patent:
Jun. 06, 2017

Filed:

Mar. 01, 2016

Submarine hull steel having enhanced weldability

Applicant:

Industeel France, Saint-Denis, FR;

Inventors:

Jean Beguinot, Le Creusot, FR;

Cedric Chauvy, Montchanin, FR;

Assignee:

INDUSTEEL FRANCE, Puteaux, FR;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Yoshitoshi Takeuchi

Int. Cl.
CPC ...
C22C 38/48 (2006.01); C22C 38/46 (2006.01); C22C 38/44 (2006.01); B23K 9/02 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/42 (2006.01); B23K 9/167 (2006.01); B23K 9/23 (2006.01); B32B 15/01 (2006.01); B63B 9/06 (2006.01); B63G 8/04 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01);
U.S. Cl.
CPC ...
B23K 9/0209 (2013.01); B23K 9/167 (2013.01); B23K 9/23 (2013.01); B32B 15/011 (2013.01); B63B 9/06 (2013.01); B63G 8/04 (2013.01); C21D 9/46 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01);
Abstract

Assembled submarine hull steel components, each steel component having a chemical composition consisting of, in weight percent:0.030%≦C<0.080%0.040%≦Si≦0.13%0.1%≦Mn≦1.4%2%≦Ni≦4%Cr≦0.3%0.30%≦Mo+W/2+3(V+Nb/2+Ta/4)≦0.89%0.15%≦Mo≦0.89%V+Nb/2+Ta/4≦0.004%Nb≦0.004%Cu≦0.45%Al≦0.1%Ti≦0.04%N≦0.0300%impurities resulting from the production operation, said impurities includingB≦0.0005%,P+S≦0.015%,the balance being iron, the chemical composition complying with the condition:410≦540×C+245[Mo+W/2+3(V+Nb/2+Ta/4)]≦460.

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