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  • Jiangsu Jiangsu Hongtu Metal Technology Co., Ltd
  • Jiangsu Jiangsu Hongtu Metal Technology Co., Ltd
  • Jiangsu Jiangsu Hongtu Metal Technology Co., Ltd
  • Jiangsu Jiangsu Hongtu Metal Technology Co., Ltd
  • Jiangsu Jiangsu Hongtu Metal Technology Co., Ltd

ERW Steel Pipe

Classification :

Welded 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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Keywords:

ERW Steel Pipe

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

 

Warehouse Storage

Jiangsu Hongtu Metal Technology Co., Ltd. was established in 2009, located in Jiangsu Province with our own factories of 20000 m2. We have passed the "ISO9001 quality system certification, and EU CE certification". In 2018, Jiangsu Hongtu Metal Technology Co., Ltd. was rated as "Jiangsu High-tech Enterprise".With more than 3,000 independent patents, the annual output of steel products exceeds 6 million tons, and the inventory exceeds 250,000 tons.

 

 

Packing and shipping

Our company is a large steel manufacturer located in Jiangsu,  the collection of processing and trading.And we have high supply ability. In 2011, we opened the market to the abroad. products are exported to Europe, the United States, the Middle East, India and other countries.

 

 

Customer conversation

 We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. 

 

 

Application field

Our main products are carbon steel, stainless steel, galvanized steel, etc. which are suitable for engineering, coal mining, textile, electric power, boilers, machinery, military industry and other fields.

 

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

Honor


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