Spiral seam submerged arc welding steel pipe process flow chart

Raw material coil loading

3620mm spiral steel pipe unit (partial)

Steel pipe forming process

Steel pipe forming process

Steel pipe forming process

Steel pipe cutting process

Steel pipe under pipe trolley

Steel pipe gantry automatic welding machine

Steel pipe end grinding machine

Steel tube X-ray industrial television

X-ray inspection of steel pipes

Steel pipe mobile tube end X-ray imaging lead room

Steel pipe end expansion machine

During the water pressure test of steel pipes

Steel pipe water pressure test

Offline ultrasonic testing machine for steel pipes

Steel pipe flat head chamfering machine

Steel pipe flat head chamfering work

End of steel pipe flat head chamfering

Finished steel pipe inspection

Steel pipe identification storage