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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

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QSsteel@tsingshanh.com

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PRODUCT DETAILS

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

CUSTOMER VISIT

All products strictly adhere to internationally recognized standards such as GB, ASTM, EN, JIS, and DIN, and are suitable for overseas procurement needs in various fields such as food packaging, home appliance manufacturing, infrastructure engineering, machinery processing, petrochemicals, and marine engineering. Our products are exported to more than 80 countries and regions in Southeast Asia, the Middle East, Africa, Europe, and Latin America.

FACTORY WORKSHOP

Taking product quality as the guide, constantly seeking breakthroughs, achieving optimization and upgrading, and striving to create high-quality steel products are our constant pursuits. The products have passed national safety 3C certification, EU CE certification and ISO9001 international quality system certification.

Factory workshop

PARTNER

APPLICATION AREAS

Construction Project

Marine Exploration

Automobile Manufacturing

Architectural Engineering

Aerospace

Solar Energy

Bridge Construction

Wind Power

FAQ

Q:How about your product quality?

A:All products are produced in accordance with international standards, with strict raw material inspection, production monitoring and finished product testing. We provide MTC (Mill Test Certificate), third-party inspection reports and support customer factory audit.

Q:Can you provide free samples?

A：We can provide free small size samples for quality inspection. Customers only need to bear the freight cost. Sample orders and formal bulk orders are both welcome.

Q:What steel grades and standards do you support?

A:Our products comply with international mainstream standards, including GB, ASTM, AISI, JIS, DIN, EN. Common grades include Q235B, Q355B, 20#, 430, 304, 316L, 2205, DX51D, SGCC and more. Full material test certificates can be provided.

Q:Can you provide customized size and surface treatment?

A:Yes. All steel products can be customized according to customer requirements, including thickness, width, length, surface finish (polished, brushed, galvanized, color coated), cutting, slitting, bending and deep processing. We support OEM and ODM service.

Q:What products do you mainly supply?

A:We mainly supply carbon steel plates, carbon steel coils, carbon steel pipes, stainless steel plates, stainless steel coils, stainless steel pipes, galvanized steel plates, galvanized steel coils, color coated steel coils and other full-series steel products. Customized sizes and various steel grades are available to meet construction, manufacturing, piping and engineering procurement needs.

Welded Pipe

PRODUCT DETAILS

ERW Steel Pipe

CUSTOMER VISIT

FACTORY WORKSHOP

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