... , 600G or 800G Mirror finish testSquash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT.Chemical elementCSiMnCr NiCu0 ... ships, vehicle, aircraft, missile,weapons,railways,bridge,pressure vessel, machine tool,gears in gearbox, gear shaft, cam, worm, ... ProductsOur products mainly cover special steel,including stainless steel, tool steel, die steel,bearing steel,etc. And in ...