Q345B precision steel tube
In the steel pipe series,there is a kind of material called Q345B precision steel pipe which belongs to the low alloy series.Among low-alloy materials,this material is the most common.Q345B precision steel pipe used to be called:16Mn steel pipe.
Process flow:
Tube blank-inspection-peeling-inspection-heating-perforation-pickling-grinding-lubrication and air drying-welding head-cold drawing-solution treatment-pickling-pickling Passivation-inspection-cold rolling-degreasing-cutting-air drying-internal polishing-external polishing-inspection-marking-finished product packaging
Industrial pipe process:
Tube blank-inspection-peeling-inspection-heating-perforation-pickling-mushroom repair-lubrication and air drying-welding head-cold drawing-solution treatment-pickling-pickling Passivation-inspection.
