LUBRICANT COMPOSITION FOR METAL MATERIAL PLASTICITY PROCESSING, LUBRICATING FILM AND COATED METAL MATERIAL PROVIDED THEREWITH, AND METHOD FOR MANUFACTURING COATED METAL MATERIAL

摘要

Disclosed is a lubricant composition for metal material plasticity processing, said lubricant composition containing (A) at least one inorganic salt selected from a group consisting of sulfates, borates, silicates, phosphates, molybdates and tungstates, (B) a lubricant material with an average particle diameter of 20µm or less, (C) a water-soluble resin material with an average molecular weight of 5000-100000, and (D) water, and characterized by the weight ratio of the aforementioned components (A):(B):(C) being 1:0.01-20:0.01-20. Also disclosed are a lubricating film and a coated metal material provided therewith, and a method for manufacturing the coated metal material.