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:
Apr. 04, 2017
Filed:
Apr. 10, 2014
Arcelormittal France, Saint-Denis, FR;
Jean-Pierre Laurent, Istres, FR;
Thierry Malot, Arles, FR;
ArcelorMittal France, Saint Denis, FR;
Abstract
The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%≦C≦0.100%; 0.80%≦Mn≦2.00%; Si≦0.30%; S≦0.005%; P≦0.030%; 0.010%≦Al≦0.070%; 0.015%≦Nb≦0.100%; 0.030%≦Ti≦0.080%; N≦0.009%; Cu≦0.100%; Ni≦0.100%; Cr≦0.100%; Mo≦0.100%; and Ca≦0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.