CAST IRON

摘要

FIELD: metallurgy. ^ SUBSTANCE: cast iron contains the following component ratio, wt %: carbon 4.0-4.5; silicium 1.5-1.9; manganese 1.0-1.5; magnesium 0.006-0.01; aluminium 0.5-0.9; hafnium 0.3-0.4; copper 0.7-1.1; iron - the rest. ^ EFFECT: increasing cast iron thermal resistance. ^ 1 tbl