Abstract: A wear-resistant material comprising an alloy that contains: 1.5-5.5 wt. % carbon, 0.1-2.0 wt. % silicon, max. 2.0 wt. % manganese, 3.5-30.0 wt. % chromium, 0.3-10 wt. % molybdenum, 0-10 wt. % tungsten, 0.1-30 wt. % vanadium, 0-12 wt. % niobium, 0.1-12 wt. % titanium and 1.3-3.5 wt. % nickel, the remainder being comprised of iron and production-related impurities, whereby the carbon content fulfills the following condition: CAlloy[w %]=S1+S2+S3 where S1=(Nb+2(Ti+V?0.9))/a, S2=(Mo+W/2+Cr?b)/5, S3=c+(TH?900)·0.0025, where 7<a<9, 6<b<8, 0.3<c<0.5 and 900° C.<TH<1,220° C.
Type:
Grant
Filed:
November 21, 2012
Date of Patent:
August 9, 2016
Assignee:
KOPPERN ENTWICKLUNGS GMBH & CO. KG
Inventors:
Werner Theisen, Andreas Packeisen, Hans Berns
Abstract: A wear-resistant material comprising an alloy that contains: 1.5-5.5 wt. % carbon, 0.1-2.0 wt. % silicon, max. 2.0 wt. % manganese, 3.5-30.0 wt. % chromium, 0.3-10 wt. % molybdenum, 0-10 wt. % tungsten, 0.1-30 wt. % vanadium, 0-12 wt. % niobium, 0.1-12 wt. % titanium and 1.3-3.5 wt. % nickel, the remainder being comprised of iron and production-related impurities, whereby the carbon content fulfils the following condition: CAlloy [w %]=S1+S2+S3 where S1=(Nb+2(Ti+V?0.9))/a, S2=(Mo+W/2+Cr?b)/5, S3=c+(TH?900)·0.0025, where 7<a<9, 6<b<8, 0.3<c<0.5 and 900° C.<TH<1,220° C.
Abstract: The combined alloying of a CrMnMo steel with carbon and nitrogen creates a stainless austenitic steel of high strength which according to the invention contains (in % by mass) 16-21 Cr, 16-21 Mn, 0.5-2.0 Mo, 0.8-1.1 C+N at a C/N ratio of 0.5-1.1 The steel is subjected to open melting and is suited for uses exhibiting one or more of the following features: strength, ductility, corrosion resistance, wear resistance, non-magnetizability.
Type:
Application
Filed:
August 18, 2005
Publication date:
December 25, 2008
Applicants:
Energietechnik Essen GMBH, Schaffler KG, KSB AKTIENGESELLSCHAFT, BOCHUMER VEREIN VERKEHRSTECHNIK GMBH, KOPPERN ENTWICKLUNGS GMBH & CO. KG
Abstract: A wear-resistant material comprising an alloy that contains: 1.5-5.5 wt. % carbon, 0.1-2.0 wt. % silicon, max. 2.0 wt. % manganese, 3.5-30.0 wt. % chromium, 0.3-10 wt. % molybdenum, 0-10 wt. % tungsten, 0.1-30 wt. % vanadium, 0-12 wt. % niobium, 0.1-12 wt. % titanium and 1.3-3.5 wt. % nickel, the remainder being comprised of iron and production-related impurities, whereby the carbon content fulfils the following condition: CAlloy [w %]=S1+S2+S3 where S1=(Nb+2(Ti+V?0.9))/a, S2=(Mo+W/2+Cr?b)/5, S3=c+(TH?900)·0.0025, where 7<a<9, 6<b<8, 0.3<c<0.5 and 900° C.<TH<1,220° C. Also. method for producing the wear-resistant material and to uses of the material.
Type:
Application
Filed:
May 2, 2006
Publication date:
October 16, 2008
Applicant:
KOPPERN ENTWICKLUNGS GMBH & CO. KG
Inventors:
Werner Theisen, Andreas Packeisen, Hans Berns