Q345B precision seamless steel pipe

In the seamless steel tube series, there is a material called Q345B precision seamless steel tube which belongs to the low alloy series. Among low-alloy materials, this material is the most common. Q345B precision seamless steel pipe used to be called: 16Mn seamless 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.