KOPPERN ENTWICKLUNGS GMBH & CO. KG Patent applications |
Patent application number | Title | Published |
20130084462 | POWDER-METALLURGICALLY PRODUCED, WEAR-RESISTANT MATERIAL - 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: | 04-04-2013 |
20080318083 | Super High Strength Stainless Austenitic Steel - 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. | 12-25-2008 |
20080253919 | Powder-Metallurgically Produced, Wear-Resistant Material - 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: | 10-16-2008 |