... set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould for ... tube, oval tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube frame, special-shaped ... Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure ... not exceed ±0.05mm. Roll set for tube machine