Machine# 11472
Specifications:
Manufacturer: Stiefel (Plug Mill)
Process: Seamless Tube
Inlet Material to the Piercing Mill: Round Billets
Diameter: 90 - 180 mm (5.54" - 7.09")
Length: 600 - 3,200 mm (23.6" - 126")
Product Sizes:
Diameter: 69 - 168 mm (2.72" - 6.61")
Length: 13,500 mm (44' 3")
Finishing Rolling Speed: 0.7 - 1.5 m/sec. (138 - 295 FPM)
Main Plant Components:
1. Billet Shear for cutting the inlet billet to the length suitable for
Rotary Reheating Furnace.
2. Rotary Heart Reheating Furnace.
3. Piercing Mill:
Inlet Round Billet: Diameter: 90 - 180 mm (5.54" - 7.09")
Billet Length: 600 - 3,200 mm (23.6" - 126")
Pierced Hallow Diam.: 70 - 175 mm (2.76" - 6.89")
Pierced Hallow Length: 3,000 - 8,000 mm (9' 10" - 26' 3")
Roll Diameter: 860 mm (33.86")
Roll Length: 500 mm (19.69")
Roll Angle: 4 - 12 degrees
Main Drive Power: 900 kW
4. Plug Mill (Stiefel Rolling Stand):
Inlet Hallow Diameter: 70 - 168 mm (2.76" - 6.61")
Inlet Hallow Length: max. 13,000 mm (42' 8")
Roll Diameter: 700 mm (27.56")
Roll Length: 1,700 mm (66.93")
Rolling Speed: 3.2 m/sec (630 FPM)
Main Drive Power: 800 kW
5. Reeler Mills:
Number of Mills: 2
Roll Diameter: 580 mm (22.83")
Roll Length: 680 mm (26.77")
Roll Angle: 4 - 12 degrees
Main Drive Power: 300 kW (each mill)
6. Reheating Tunnel Furnace
7. Sizing Mill:
Number of Rolling Stands: 7
Final Tube Diameter: 69 - 168 mm (2.72" - 6.61")
Max. Tube Length: 13,500 mm (44' 3")
Roll Diameter: 400 - 500 mm (15.75" - 19.69")
Rolling Speed: 0.7 - 1.5 m/sec. (138 - 295 FPM)
Main Drive Power: 300 kW
8. Cooling Bed
9. 6-Roll Rotary Straightener
Roll Configuration: 3+3
10. End Cutting Saw
11. Inspection Station
The equipment includes all the transfer equipment, available spares,
tooling and documentation.
**PRICE QUOTED IS EX WORKS AS IS WHERE IS SUBJECT TO PRIOR SALE**
**ALL SPECIFICATIONS ARE SUBJECT TO VERIFICATION BY PURCHASER**
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