ERW Steel Pipe

ERW Steel Pipe

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ERW steel pipe is a straight seam electric resistance welded pipe, abbreviated as ERW pipe, which is a round pipe welded by steel plates. It is used to transport vapor and liquid objects such as oil and n atural gas, and can meet various requirements of high and low pressure.

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  • Product Detail
  • | Technical Information
  • | Packaging
    • Commodity name: ERW Steel Pipe

    ERW steel pipe is a straight seam electric resistance welded pipe, abbreviated as ERW pipe, which is a round pipe welded by steel plates. It is used to transport vapor and liquid objects such as oil and n atural gas, and can meet various requirements of high and low pressure.

    Product introduction

    ERW Steel Pipe

    Pipe Type: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe
    Application: For Low Pressure Fluid Transmission, Machinery Manufacturing

    Specification: OD: 21.3mm ~ 660mm

                              WT: 1mm ~ 17.5mm

                              LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)

    Standard & Grade: API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70
    ASTM A53, ASTM A500, JIS G3466, ASTM A252, ASTM A178, AN/NZS 1163, AN/NZS 1074, EN10219-1, EN10217-1

    End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

    Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating

    Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped

     

    Production Process for ERW steel pipe:  

    1.Uncoiling --- 2. Leveling --- 3. End cutting --- 4. End shearing welding --- 5. Supercoil accumulator --- 6. Edge cutting --- 7. Ultrasonic detection --- 8. Forming --- 9. Electric induction welding --- 10. Ultrasonic detection for weld seam --- 11. Medium frequency heat treatment --- 12. Air cooling --- 13. Water cooling --- 14. Sizing --- 15. Flying cutting --- 16. Flush-out --- 17. Cropping --- 18. Flattening testing --- 19. Straightening --- 20. End facing and bevelling --- 21. Hydrodynamic testing --- 22. Ultrasonic detection for weld seam --- 23. Ultrasonic detection for pipe end --- 24. Visual and dimensions inspection --- 25.Weighting and measuring --- 26. Marking --- 27. Coating --- 28. Pipe-end protection --- 29. Bending --- 30. Shipping

    Specification of ERW steel pipe: 

    API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)

    Outside Diameter 

    Wall Thickness 

    Outside Diameter 

    Wall Thickness 

    外径 (mm)

    壁厚 (mm)

    外径 (mm)

    壁厚 (mm)

    33.4
    (1")

    2.1-2.4

    Φ133       

    3.0-5.75

    2.5-3.25

    6.0-7.75

    3.5-4.0

    8.0-10

    42.3
    (1.2")

    2.1-2.4

    Φ139.7
    (5″)    

    3.0-4.5

    2.5-3.5

    4.75-5.75

    3.75

    6.0-7.75

    4.0-5.0

    8.0-10

    48.3
    (1.5")

    2.1-2.4

    Φ152 

    3.0-4.5

    2.5-3.25

    4.75-5.75

    3.5-3.75

    6.0-7.75

    4.0-4.25

    8.0-10.0

    4.5-6.0

    Φ159   

    3.25-6.75

    Φ60.3 
    (2″)           

    3.0-4.0

    6.8-7.75

    4.25-4.75

    8.0-10.0

    5.0-5.75

    10.0-11.75

    Ф73

    3.0-4.75

    Φ165           

    3.0-6.0

    4.8-5.25

    6.25-7.0

    5.5-7.0

    /

    Φ76.1
    (2.5″)       

    3.0-4.0

    /

    4.25-4.75

    Φ168.3

    3.5-5.75

    5.0-5.25

    6.0-8

    5.5-7.0

    8.25-8.75

    Φ88.9
    (3″)        

    3.0-4.0

    9.0-9.75

    4.25-4.75

    10.0-11.75

    5.0-5.25

    /

    5.5-6.0

    Φ177.8 
    (Φ180)        

    3.75-5.75

    8

    6.0-7.75

    Φ108          

    3.0-4.5

    8.0-8.75

    4.75-5.75

    9.0-9.75

    6.0-6.25

    10.0-11.75

    6.5-9.0

    /

    Φ114.3
    (4'')

    3.0-4.0

    Φ193.7
            

    4.0-6.75

    4.25-4.75

    6.8-7.75

    5.0-6.0

    8.0-9.75

    6.25-7.75

    10.0-11.75

    8.0-10

    /

    Φ127       

    3.0-4.75

    Φ203              

    3.0-6.75

    5.0-5.75

    6.8-8.0

    /

    8.25-11.75

    /

    /

     

    API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)

    Outside Diameter 

    Wall Thickness 

    Outside Diameter 

    Wall Thickness 

    外径 (mm)

    壁厚 (mm)

    外径 (mm)

    壁厚 (mm)

    219、245

    5.0-11.75

    462

    5.75-11.75

    273

    5.0-11.75

    12.5-13.75

    12.5-13.75

    457、478

    5.75-11.75

    299

    5.5-11.75

    12.5-13.75

    12.5-13.75

    14.5-17.75

    325

    5.5-11.75

    508

    5.75-11.75

    12.5-13.75

    12.5-13.75

    355

    5.5-11.75

    14.5-17.75

    12.5-13.75

    529/559/610/630

    5.75-11.75

    377

    5.75-11.75

    12.5-13.75

    12.5-13.75

    14.5-17.75

    406

    5.75-11.75

    660

    7.5-11.75

    12.5-13.75

    12.5-13.75

    /

    14.5-17.75

     

    API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)

    Outside Diameter 

    Wall Thickness 

    Outside Diameter 

    Wall Thickness 

    外径 (mm)

    壁厚 (mm)

    外径 (mm)

    壁厚 (mm)

    219、245

    5.0-11.75

    462

    5.75-11.75

    273

    5.0-11.75

    12.5-13.75

    12.5-13.75

    457、478

    5.75-11.75

    299

    5.5-11.75

    12.5-13.75

    12.5-13.75

    14.5-17.75

    325

    5.5-11.75

    508

    5.75-11.75

    12.5-13.75

    12.5-13.75

    355

    5.5-11.75

    14.5-17.75

    12.5-13.75

    529/559/610/630

    5.75-11.75

    377

    5.75-11.75

    12.5-13.75

    12.5-13.75

    14.5-17.75

    406

    5.75-11.75

    660

    7.5-11.75

    12.5-13.75

    12.5-13.75

    /

    14.5-17.75

     

    Technical data 

    Tolerances of ERW steel pipe

    Standard

    Grade

    Out Diameter Tolerance

    Wall Thickness Tolerance

    ASTM A53

    A

    +/-1.0%

    +/- 12.5%

     B

    +/- 1.0%

    +/- 12.5%

    Chemical Analysis & Mechanical Properties of ERW steel pipe

    Standard

    Grade

    Chemical Analysis(%)

    Mechanical Properties(min)(Mpa)

    C

    Mn

    P

    S

    Tensile Strength

    Yield Strength

    ASTM A53

    A

    0.25

    0.95

    0.05

    0.045

    330

    205

    B

    0.30

    1.20

    0.05

    0.045

    415

    240

     

  • Packaging

    The company's products are packaged and labeled according to regulations and customer requirements. Take care to avoid any damage that may occur during storage or transportation. In addition, clear labels are attached outside the package to facilitate identification of product ID and quality information.


    1. Wooden case packing, PVC packing, etc.

    2. Standard seaworthy packing machine customized

    3. Port any port in China

     

    In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.

     

    Stainless steel pipes are often packed and transported in bags, boxes or protective containers. Stainless steel conduits with an outer diameter greater than 6 inches can be transported in bulk, packed or not. The length, outer diameter, wall thickness, finish and transportation method determine the optimal packaging method. Most polishing tubes are packed in wooden cases or boxes made of other suitable materials.

     

    It is necessary to bundle stainless steel pipes, because excessive quantities of stainless steel pipes during transportation may lead to risks such as bending, extrusion deformation or twisting of pipes during transportation. In addition, some other auxiliary measures need to be taken during baling. Flat steel wire belt is generally used for binding, but other suitable materials can also be used. The number of fixed knots depends on the length and weight of the bale.

     

  • Application
    1 Building Materials industry 
    2 light industry 
    3 Shipbuilding Industry 
    4 Mechanical Manufacturing 
    5 Bridge Construction 
    6 Energy Engineering 
    7 Water Conservancy Projects 
    8 Chemical Industry

     

    1. Automobile industry

    Stainless steel plate not only has high corrosion resistance, but also has light weight, which is very important in automobile manufacturing. A large number of stainless steel plates are required for the manufacturing of automobile shells, and many international famous cars are now beginning to use stainless steel plates as the structural materials of automobiles. Even in high-speed railway, subway and other aspects, stainless steel plate is also widely used.

    2. Water storage and transportation

    Water has high requirements on the environment during storage. Stainless steel plate can effectively ensure the water quality is not polluted when used for water storage. Stainless steel plate is also recognized as a safe, hygienic and efficient water storage material in the world. Stainless steel plate will also be an indispensable material for water storage equipment in the future.

    3. Construction industry

    In fact, stainless steel plates were first used in the construction industry, and then gradually introduced into more fields. Decorative panels on the exterior walls of buildings are generally made of stainless steel plates, which are durable and beautiful.

    In a word, stainless steel plates are widely used. In addition to the above, stainless steel plates can also be seen in the household appliance manufacturing industry. I hope you can have a more comprehensive understanding of stainless steel plate after reading this article. More wonderful content, remember to pay attention to TISCO stainless steel!


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