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