Bronze, Fe, mild steel, alloy steel, brass, U, Si, Sn, W, stainless steel, Fe alloy, Fe-- Cu alloy, Cu alloy, Ni-- Ag alloy, and mixtures of Cr-- C-- Ni, Ti-- C-- Co-- Ni-- Cr, and Cr- B, Zr-- B, and Ti-- B, with Cr or Mo were produced for machine components and automobile lubricant bearings with specified physical and mechanical properties, corrosion resistance, and structure. (TCO)