materila carbon steel weight 5---9tons machining UT and MT check ABS Class Efficiency: Annual output of ... , idler wheel, platen, winding drum, helm seat etc. for deck machining use apply to vessel use.(2) Parts for steam turbine ... .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear, Bull Gear, axial seat, big shaft, block, module etc ...