... main products include: i) alloy cast irons, gray iron, Ductile iron parts (G3000, G3500, GG20, GG25, GG30, GG35 ... , GGG40, GGG50 and GGG60 15%Cr-Mo, L-NiCuCrl562.1563) , ii ... ) grey high-carbon cast iron iii) high-silicon,high carbon contents ... used in power rigging and automobile industry ii) Alloy cast irons are mainly used to ...