... set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould for ... , welded pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Pipe mould: ... quality tool steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure, high ... exceed ±0.05mm. Roll set for tube machine