... tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould ... /square/shaped tube.2. Pipe mould: steel tube, plum tube, flat tube, oval tube, fan-shaped tube, polygonal tube, single and ... tool steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure, high hardness ...