Patent ID: 6547846
Filing Date: 2003-04-15
Classification: C21D,C22C

Abstract:
Steel with a high wear resistance, high hardness and good impact strength, useful for manufacturing products, wherein the steel is produced powder-metallurgically, that it essentially consists in percent by weight of0.55-0.65 Câ€‚0.7-1.5Siâ€‚0.1-1.0Mnâ€‚3.5-4.5Crâ€‚1.5-2.5Moâ€‚1.5-2.5Wâ€‚1.2-1.8Vâ€ƒâ€‰0-0.2Nbbalance iron and impurities in normal amounts, and that the steel after hardening and tempering contains 1.5-2.5 percent by volume of MC carbides, in which M consists essentially only of vanadium, said carbides being evenly distributed in the steel matrix.