Cast iron alloy for the production of piston rings for combustion engines

摘要

Cast iron alloy has a perlite base structure with spherical or vermicular graphite deposits and contains (in wt.%): 2.5-4.0C, 1.5-4.0 Si, 0.2-2.0 Mn, max. 0.35 P, max. 0.035 S, max. 3.0 Cr, max. 1.5 V, max. 2.5 Mo, max. 0.2 Ni, 1.0-3.5 Cu, 0.02-2.5 Al, 0.005-0.04 Mg, and a balance of Fe.