HOT METAL FORMING GREASE Russian patent published in 2004 - IPC

FIELD: metalworking and lubricants. SUBSTANCE: when performing hot steel and alloy forming, blank before its heating and during subsequent hot forming is greased with grease containing, wt %: colloidal graphite with particle size 10 mcm 7-12, at least one oxide selected from zinc, lead, cadmium, tin, and copper oxides 7-12, aluminosilicate 7-12, oxyethylated alkylphenol 0.015-0.025, water-soluble polymeric surfactant, in particular polyvinyl alcohol, 0.5-1.0, and water - the balance. EFFECT: acquired blast- proofness and fire safety, environmental purity, heat resistance, good adhesion to greased surface, good moistening, and low friction factor determining greasing property. 3 cl, 3 tbl