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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.

Classification :

Welded Pipe

keywords :

Welded Pipe

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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

The company's main products include carbon steel, galvanized, stainless steel coils, color-coated coils, roof panels, color steel, aluminum plates, aluminum coils, angle steel, H-shaped steel, steel bars, etc., with quality assurance and timely delivery.

Packing and shipping

The products are mainly exported to more than 60 countries in South America, Southeast Asia, Africa, the Middle East, etc. The annual export volume reaches more than 1 million tons. Having been engaged in the steel industry for more than ten years, he has rich experience in team management and has established good business relationships with customers and factories.

Application field

We have been engaged in the steel industry for more than ten years and have rich experience in team management. We have established good business relationships with customers and factories, are committed to strict quality control and thoughtful customer service, and provide customized processing services for various products.

Customer visit

OUR ADVANTAGE

Quality Assurance

With ISO9001 management system certification, our experienced staff are available to discuss your requirements and ensure customer satisfaction.

Our services

Due to our excellent quality and competitive prices, we have gained a good reputation in the market to serve customers all over the world and won a good reputation.

Product variety

Rich products and sufficient inventory

Rich experience

More than ten years of industry experience

HONOR

FAQ

Q1:About the product price?

A:Due to the cyclical changes in raw material prices, prices vary from period to period.

Q2:Can you send samples?

A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.

Q3:What about your price?

A:Our price is very competitive because we are a factory. Pls feel free to contact us if you are interested in our products.

Q4:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q5:How long does your delivery time take?

A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

Q6:How many countries you already exported to?

A:We have exported to Canada, Brazil, Chile, Colombia,Thailand, Myanmar, Vietnam, India, Kenya,Ghana,somalia and other African countries. Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Q9:How to pack the products?

A:Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet.It can effectively protect products from corrosion and various climate changes during ocean transportation.

Q10: What are your working hours?

A: Under normal circumstances, our online service hours are: 8:00-22:00. After 22:00, we will reply to your inquiry on the next working day.

Welded Pipe