MIXTURE FOR TREATMENT OF CAST IRON Russian patent published in 2002 - IPC

FIELD: metallurgy; applicable in foundry, and in manufacture of cast-iron grinding bodies and parts exposed to percussion and bending actions. SUBSTANCE: cast-iron melt is treated with paraffin-clad mixture of aluminum powder and argentiferous graphite with a component containing iron oxide used in the form of electroplating wastes containing chromium oxide with the following ratio of components, mas. %: electroplating wastes containing chromium oxide, 60-70; aluminum powder, 20-25; argentiferous graphite, 10-15. EFFECT: higher strength of cast iron, economical modification process and improved ecology of environment. 3 cl, 1 tbl, 1 ex