FIELD: metallurgy. SUBSTANCE: proposed cast iron has components at the following ratio, wt.-%: carbon 2.5-2.9; silicon 2.2-8.2; manganese 0.47-0.9; zirconium 0.2-6.17; phosphorus 0.1-0.15; sulfur 0.02-0.05; chrome 0-0.13; nickel 0-0.14, and iron - the rest. Addition of zirconium provides the graphite grinding and its improved uniform distribution in perlite. Invention is used in production of cast iron used under conditions of friction with lubrication at high dynamic loading. EFFECT: improved quality and properties of cast iron. 1 tbl, 1 dwg, 3 ex
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Authors
Dates
1999-09-20—Published
1998-11-16—Filed