Equipment configuration
1. Uncoiler
2. Strip-head straightener
3. Pinch-roll leveller
4. Shear and butt welder
5. Horizontal spiral accumulator
6. Main mill section: rough forming section with 6 horizontal-roll stands, six 50 kW motors and 3 verticalroll
stands; fine forming section with 3 stands and three 200 kW motors; sizing section with 4 horizontalroll
stands and four 200 kW motors; 2 Turks-head units for rough straightening; horizontal-roll shaft
diameter: 320 mm; single-motor adjustment.
7. Medium-frequency annealing system: 4 sets × 600 kW
8. 2000 kW solid-state high-frequency welding system
9. Milling cut-off saw
10. Roller conveyor
11. Online eddy-current testing (supplementary item)
12. Three sets of round-pipe tooling: Ø325, Ø426 and Ø478
Processing range
Diameter: 325–660 mm
Wall thickness: 6–22 mm
Additional equipment for API pipe production
This production line can produce API pipe if equipped with the following additional standalone machines:
1. Pipe end-facing machine
2. Hydrostatic testing machine
3. Offline eddy-current testing machine
Equipment configuration
1. Uncoiler
2. Strip-head straightener
3. Pinch-roll leveller
4. Shear and butt welder
5. Horizontal spiral accumulator
6. Main mill section: rough forming section with 6 horizontal-roll stands, six 50 kW motors and 3 verticalroll
stands; fine forming section with 3 stands and three 200 kW motors; sizing section with 4 horizontalroll
stands and four 200 kW motors; 2 Turks-head units for rough straightening; horizontal-roll shaft
diameter: 320 mm; single-motor adjustment.
7. Medium-frequency annealing system: 4 sets × 600 kW
8. 2000 kW solid-state high-frequency welding system
9. Milling cut-off saw
10. Roller conveyor
11. Online eddy-current testing (supplementary item)
12. Three sets of round-pipe tooling: Ø325, Ø426 and Ø478
Processing range
Diameter: 325–660 mm
Wall thickness: 6–22 mm
Additional equipment for API pipe production
This production line can produce API pipe if equipped with the following additional standalone machines:
1. Pipe end-facing machine
2. Hydrostatic testing machine
3. Offline eddy-current testing machine
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