Spiral Pipe Mill

Short Description:

Spiral Pipe Mill Outside Diameter range: 8”-140” (219mm – 3556mm) Thickness Range: 4mm – 25.4mm Note: 1. Although the diameter range 8”-140”(219mm-3556mm) is achievable on one mill, we suggest consumer to buy two mills. It’s because there will be a great waste of energy, time and resources to use such a big mill to produce small pipes like 8”(219mm). 2. The recommended mill range is: 8”- 20”or 24” or 32” (219 mm -508,610,820 mm) 20” or 24”- 120” or 140”(508,610mm – 2540,35...


  • Port: Qingdao
  • Product Detail

    Spiral Pipe Mill

    Outside Diameter range: 8”-140” (219mm – 3556mm)
    Thickness Range: 4mm – 25.4mm

    Note:
    1. Although the diameter range 8”-140”(219mm-3556mm) is achievable on one mill, we suggest consumer to buy two mills. It’s because there will be a great waste of energy, time and resources to use such a big mill to produce small pipes like 8”(219mm).
    2. The recommended mill range is:
    8”- 20”or 24” or 32” (219 mm -508,610,820 mm)
    20” or 24”- 120” or 140”(508,610mm – 2540,3556mm)
    3.The most popular mill range now is:
    8”- 24”(219 mm -610mm)
    20”-100” (508mm – 2540mm)
    Special Note:
    Since our product is non-standard equipment, and we have our own technical team with more then 15 year project experience. Our products are highly flexible and can be customized. We can design base on consumer needs.
    Type A water pipe Standard (Online)
    Application: Mainly water pipe, construction pipe, can also apply to X52 oil pipe
    Diameter Range: 20”-100”
    Thickness: 6-25.4mm
    Coil Width: 800-1500mm
    Ideal input speed: 0.5-3m/min
    Actuarial input speed: 1.5-1.8m/min
    Material: X52, SS355, Q345
    Yearly Output: 50,000-80,000 ton/year

    Type B API- 5L Standard (Online)
    Application:Mainly for Oil/Gas pipe, Water, Construction
    Diameter Range: 20”-100”
    Thickness: 6-25.4mm
    Coil Width: 1000-2000mm
    Ideal input speed: 0.5-3m/min
    Actuarial input speed: 1.5-1.8m/min
    Material: X80(20mm), X70(22mm), SS355(25.4mm), Q345(25.4mm)
    Yearly Output: 50,000-100,000 ton/year

    Type C API- 5L Standard (Online or Offline)
    Application:Mainly for Oil/Gas pipe, Water, Construction
    Diameter Range: 20”-100”
    Thickness: 6-25.4mm
    Coil Width: 1000-2000mm
    Ideal input speed: 0.5-8m/min
    Actuarial input speed: 5-6m/min(Offline)
    1.5-1.8m/min(Online)
    Material: X80(20mm), X70(22mm), SS355(25.4mm), Q345(25.4mm)
    Yearly Output: 50,000-100,000 ton/year(Online)
    200,000 ton/year(Offline)
    Online vs Offline
    Online= 1 welding process, 100% finish welding, direct to produce final product
    Offline= 2 Welding process, online tack welding first, than go to finial welding machine to finish welding
    Note: The welding speed is limited the total output speed of the production line, so offline welding will increase the productivity of the mill.

    Continuous vs Discontinuous
    Continuous = Add a accumulator and fly welding car in the shear and welding process in order to achieve the continues welding production.
    Discontinuous = Normal shear and welding process, should stop the production line for the welding process of the two ends of steel strips.
    Note: In the Continuous type mill, all the Uncoiler, Pinch Leveling Machine, Shear and Welding Machine are on the fly welding car.
    Special Note: The Continuous type mill will increase 1.5 time more productivity and improve the welding quality, since the welding process is continuous and stable.
    Table 1 Mill Type Annual Output Compare Table

    Mill Type Discontinuous Production Annual Output Continuous Production Annual Output
    Type A 50,000-80,000 ton/year 75000-120000 ton/year
    Type B 50,000-100,000 ton/year 75000-150000 ton/year
    Type C On 50,000-100,000 ton/year(Online) 75000-150000 ton/year
    Type C Off 200,000 ton/year(Offline) ————————————–

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