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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.

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Product Description

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

 

 

Packing and shipping

The company is located in the Free Trade Pilot Zone of Jinan City, Shandong Province, close to China's famous ports of Tianjin Port and Qingdao Port. It has a superior production and operation environment, convenient logistics exports, mature industrial facilities, and complete supporting industries.

 

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