ADDITION ALLOY TO PRODUCE CASTS FROM GREY CAST IRON

摘要

FIELD: metallurgy.SUBSTANCE: addition alloy contains the following components, wt %: copper 45.0-65.0, tin 5.5-15.0, silicon 15.0-20.0, calcium 0.5-3.0, aluminium 0.1-1.0, barium 0.5-2.0, rare earth metals 1.0-3.0, iron - the rest.EFFECT: invention allows for refining of grey cast iron from non-metal inclusions and harmful impurities, high homogeneity of addition alloy composition.2 cl, 3 tbl