Schweißrohr Roller

Welding Pipe Roller 1.material;D2. They are mainly to be exported. 2.vacuum gas quenching and subzero heat treatment 3.hardness: HRC 63-65 degrees. 4.designed or made according to the customer's requestment 5.we can design the mould for the abnormity pipe 6.The production procedure is as follows: a.) preparing the materails based on the customers' requirements; b.) boring the holes: the axle hole and the bearing hole; c.) rough turning; d.) fine turning; e.) polishing; f.) heat treatment.