文件类型:PDF文档
文件大小:87K
FIELD : metallurgy.SUBSTANCE : invention relates to metallurgy field. Particularly it relates to cast iron content. Cast iron contains components in a following ratio, wt % : carbon 2.7-3.3; silicon 1.7-2.3; manganese 2.0-3.0; aluminium 2.0-2.5; nickel 3.0-3.5; vanadium 1.0-1.5; copper 0.6-1.2; cobalt 0.6-1.2; beryllium 0.001-0.002; rare-earth metals 0.1-0.2; rhenium 0.6-1.2; iron is the rest.EFFECT : increasing of heat resistance and oxidation resistance of cast iron.1 tbl