... Sand Casting V Belt Cast Iron Pulley 1)material:gray iron GG20,25,30 2) ... Cast Iron PulleySpecification:Materials: gray iron HT200 and HT250Surface finish: polishing, anodizing, hard anodizing electrophoresis, zinc, nickel, chrome plating, powder coating ... treatment →product checking→ packing →deliveringCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel ...