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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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Classification :

Welded Pipe

Key Words:

Welded Pipe

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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

We have established a professional international trade service team with a global sales network. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, Middle East and Africa

FACTORY APPEARANCE

The company has advanced production equipment and technical strength, adopts internationally advanced production technology and quality control system to ensure that each batch of steel can meet or exceed international standards. Equipped with a complete product production line, the main equipment includes cutting machines, bending machines, punching machines, water jet cutting machines, polishing machines, plate cutting machines, wire drawing machines, etc. Our products include carbon steel, stainless steel, steel pipes, steel coils, steel plates, building materials: bars, wires, spiral coils, round steel; pipes: seamless pipes, welded pipes; plates: cold and hot rolled plates/coils, thick plates, color coated plates (galvanized plates, color steel plates, galvanized aluminum steel), silicon steel, strip steel; steel sections: working channel steel, H steel, square steel, flat steel, ball flat steel; up to 72 kinds of steel, with a stock of more than 200,000 tons.

FACTORY APPEARANCE

Our products are complete in variety, sufficient in stock, of excellent quality, low in price and considerate in service. At the same time, we are also the designated supplier of many large enterprises, providing steel for major project renovations in many countries. At the same time, we have also established a professional international trade service team, with a global sales network. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and have established business in Peru, the Philippines, Russia, Ukraine, Belarus, Uzbekistan, Pakistan, Indonesia, Malaysia, South Africa and other places. Products are exported to more than 30 countries including Africa, Sri Lanka, Turkey, Vietnam, Laos, Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, Iran, etc.

Welded Pipe