High frequency welded pipe production process

 The production process of high frequency welded pipe is as below :

Coil car--- Uncoiler --- Pinching & Leveling---Sharing& Butt welding--- Loop cage ---
Edge Remove
--- Forming --- HF welding --- Burr Removing --- M.F. Annealing --- Air cooling --- Online NDT
Testing--- Sizing --- Cutting --- Straightening--- End-facing & Beveling--- Offing UT tester --- Product Inspection--- Weighting
& Measuing--- Painting & Marking --- Storage --- Packing