... tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould ... . Pipe mould: steel tube, plum tube, flat tube, oval tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube ... tool steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure, high hardness ...