... machine. 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Pipe mould ... : steel tube, plum tube, flat tube, oval tube, fan-shaped tube, ... -class raw material. We choose hign-quality tool steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness ...