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Q235B Q345B Welded Hollow Steel Pipe , Large Diameter And Wall Thickness Round Water Pipe

Categories Steel Pipe
Brand Name: Sunrise
Model Number: Pipe
Place of Origin: CHINA
MOQ: 27MT
Supply Ability: 25000MT per Month
Delivery Time: 25days
Packaging Details: Standard Seaworthy Packing
Grade Group: Q235, Q345
Section Shape: Round
Thickness: 5 - 16 mm
Outer Diameter: 219 - 2030 mm
Surface Treatment: oiled
Alloy Or Not: Non-alloy
Length: 12m
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    Q235B Q345B Welded Hollow Steel Pipe , Large Diameter And Wall Thickness Round Water Pipe

    Q235B/Q345B Large Diameter and Wall Thickness Water Pipe / Welded Steel Pipe


    Description


    During the 20th Century, advancements were made in steel pipe, in the economy of production and the quality of the product. Noteworthy are the machines and technology for cold-forming of flexible pipe from coils of sheet steel with automated spiral welds. Great strides were made in quality control, testing, joints and protective coatings.


    Welded steel pipe is available in wide ranges of sizes and properties of the steel. Included in this manual are the design criteria for steel pipe up to 240 inch (6,000 mm) in diameter under either internal or external pressure. The requirements of buried flexible pipe are: strength, ease of installation, high flow capacity, leak resistance, long service life, reliability and versatility, and economy. The properties of steel are well adapted to these seven requirements of buried pipelines.


    Specification


    Outer Diameter(mm)Wall Thickness(mm)Length(m)
    2196~812
    2736~1012
    3256~1412
    3776~1412
    4266~1612
    4786~1612
    5086~1812
    5296~1812
    6106~1912
    6306~1912
    7206~2212
    8207~2212
    9208~2312
    10168~2312
    10208~2312
    12208~2312
    142010~2312
    162010~2312
    182010~25.412
    202010~25.412
    220010~25.412
    242010~25.412
    262010~25.412

    Production Flew


    Oiled marking:

    Steel after passing wrer oiled to prevent corrosion,and according to user requirements for making.


    Leveling Milling:

    The flat steel anvil machine so that the origal curl,and then thouth the edge milling machine for two-sided steel milling,so as to meet the requirements of the plate width,plate edge parallelism and groove shape.


    Shear molding:

    The steel plate production line along the outer edge of the spiral curl into a tube.


    Butt cut:

    Double-sided submerged arc welding using advanced technology to pre-welding,internal welding,outside wilding.The welded steel pipe using a plasma-foot cut to specification length.



    Application:

    Heating Pipelines, Water Pipelines, Gas Supply Systems, Oil Pipelines, Irrigation Pipelines, Pipe Piling, etc.


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