Cast iron,Casting part -- Arm Axle,heavy-duty truck/tractor part,GG30(GGG40),HB210~259,35KGS. Features to Cast iron,Casting Part -- Arm Axle: 1.Material :GG30,GGG40 ... .Industrial categories:heavy-duty truck & tractor industry,auto industry,construction machine industry,general machines industry,others.10.Representative product:Arm axle ...