... -76mm) x (0.8-3mm, 1-4mm) 50/76 welded pipe production line produces welded pipes(20-50mm, 32-76mm) x (0.8 ... -3mm, 1-4mm)The whole production line includes: Decoiler, shear & welder, accumulator, forming, HF welding & sizing machine ... , speed measuring), flying saw, roll table and packer. 50/76 High Frequency Welded Pipe Production line