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:
Aug. 13, 2013
Filed:
Oct. 13, 2009
Laszlo Pelsoeczy, Burscheid, DE;
Laszlo Pelsoeczy, Burscheid, DE;
Federal-Mogul Burscheid GmbH, Burscheid, DE;
Abstract
The invention relates to a steel material composition, in particular for producing piston rings and cylinder sleeves, containing the following elements in the given fractions in relation to 100% by weight of the steel material: 0.5-1.2% by weight C, 2.0-20.0% by weight Cr, 49.0-97.1% by weight Fe, 0.1-3.0% by weight Mn, 0.1-3.0% by weight Mo, 0.-7.0% by weight Nb, 2.0-10.0% by weight Si, 0-7.0% by weight Ti, 0.-7.0% by weight V and 0.-0.5% by weight W, the sum of the fractions of Nb, Ti, V and W being 2.0-7.0% by weight. Said composition can be produced by melting the starting materials and casting the melt in a pre-fabricated mold.