... .Test:Tensile,chemical composition Hardness test 5.Quality Assurance Cast iron part accessory Advantage: 1. We can make it by ... Cast iron part accessory1. Molding process:Green sand casting,shell sand casting,resin sand casting,auto sand casting line2. Material:Grey iron,GG15 ... ,GG20,GG25,GG30.Ductile iron GGG40,GGG50,GGG60,GGG70.En1596 EN1563, ...