... part,GG30(GGG40),HB210~259,35KGS. Features to Cast iron,Casting Part -- Arm Axle: 1.Material :GG30,GGG40 ... blast cleaning.7.Machining machines:CNC,NC lathes,NC milling machines,boring machines,drilling machines and other common machines.8.Final inspection: ... & tractor industry,auto industry,construction machine industry,general machines industry,others.10.Representative product:Arm axle,housing,bearing ...