4.treatment way: vacuum gas quenching and subzero heat treatment
1.the mould will be fixed on the welding part in the pipe-making machine
2.material:Cr12Mov or SKD11
3.rigidity:HRC63-65 degrees
pulleys
pulleys 1.the mould will be fixed on the welding part in the pipe making machine 2.material:Cr12Mov or SKD11 |