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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.
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

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Welded Steel 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 (2.5″)	3.0-4.0		/
	4.25-4.75	Φ168.3	3.5-5.75
	5.0-5.25		6.0-8
	5.5-7.0		8.25-8.75
Φ88.9 (3″)	3.0-4.0		9.0-9.75
	4.25-4.75		10.0-11.75
	5.0-5.25		/
	5.5-6.0	Φ177.8 (Φ180)	3.75-5.75
	8		6.0-7.75
Φ108	3.0-4.5		8.0-8.75
	4.75-5.75		9.0-9.75
	6.0-6.25		10.0-11.75
	6.5-9.0		/
Φ114.3 (4'')	3.0-4.0	Φ193.7	4.0-6.75
	4.25-4.75		6.8-7.75
	5.0-6.0		8.0-9.75
	6.25-7.75		10.0-11.75
	8.0-10		/
Φ127	3.0-4.75	Φ203	3.0-6.75
	5.0-5.75		6.8-8.0
	/		8.25-11.75
	/		/

API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
Outside Diameter	Wall Thickness	Outside Diameter	Wall Thickness
外径 (mm)	壁厚 (mm)	外径 (mm)	壁厚 (mm)
219、245	5.0-11.75	462	5.75-11.75
273	5.0-11.75	462	12.5-13.75
273	12.5-13.75	457、478	5.75-11.75
299	5.5-11.75		12.5-13.75
299	12.5-13.75		14.5-17.75
325	5.5-11.75	508	5.75-11.75
325	12.5-13.75		12.5-13.75
355	5.5-11.75		14.5-17.75
355	12.5-13.75	529/559/610/630	5.75-11.75
377	5.75-11.75		12.5-13.75
377	12.5-13.75		14.5-17.75
406	5.75-11.75	660	7.5-11.75
	12.5-13.75		12.5-13.75
	/		14.5-17.75

API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
Outside Diameter	Wall Thickness	Outside Diameter	Wall Thickness
外径 (mm)	壁厚 (mm)	外径 (mm)	壁厚 (mm)
219、245	5.0-11.75	462	5.75-11.75
273	5.0-11.75	462	12.5-13.75
273	12.5-13.75	457、478	5.75-11.75
299	5.5-11.75		12.5-13.75
299	12.5-13.75		14.5-17.75
325	5.5-11.75	508	5.75-11.75
325	12.5-13.75		12.5-13.75
355	5.5-11.75		14.5-17.75
355	12.5-13.75	529/559/610/630	5.75-11.75
377	5.75-11.75		12.5-13.75
377	12.5-13.75		14.5-17.75
406	5.75-11.75	660	7.5-11.75
	12.5-13.75		12.5-13.75
	/		14.5-17.75

Technical data

Tolerances of ERW steel pipe

Standard	Grade	Out Diameter Tolerance	Wall Thickness Tolerance
ASTM A53	A	+/-1.0%	+/- 12.5%
ASTM A53	B	+/- 1.0%	+/- 12.5%

Chemical Analysis & Mechanical Properties of ERW steel pipe

Standard	Grade	Chemical Analysis(%)				Mechanical Properties(min)(Mpa)
Standard	Grade	C	Mn	P	S	Tensile Strength	Yield Strength
ASTM A53	A	0.25	0.95	0.05	0.045	330	205
ASTM A53	B	0.30	1.20	0.05	0.045	415	240

Warehouse Storage

TIANYI Steel (Shandong) Co., Ltd. is located in the beautiful Shandong Province. With the continuous development of business, the company's business scope continues to expand. The company has a group of professional sales staff to provide customers with high-quality services. The company is committed to providing customers with high-quality, low-cost steel products. We have won the trust and praise of our customers with our commitment and quality-oriented service concept.

Packing and shipping

Our main products include: carbon steel plate, carbon steel pipe, color-coated sheet/coil, galvanized sheet/sheet tube/coil/corrugated sheet/plate steel (I-beam channel steel H-beam), long product, galvanized pipe, Welded pipe, gas pipe, spiral pipe, plate, thread, wire, automobile flat steel, etc. The stock of each specification is sufficient. And it is an excellent distributor of Chinese state-owned enterprises: Baosteel, Baotou Steel, Anshan Iron and Steel, Baotou Iron and Steel, and other national iron and steel enterprises.

Application field

Our advantage is to integrate market information, quickly find the products you need, provide high-quality price concessions, one-stop service, and provide you with products accurately and quickly. We always adhere to the tenet of "quality first, customer first, high-quality service, honesty and trustworthiness". With high-quality products, good reputation and high-quality service. We are committed to win-win cooperation with domestic and foreign merchants. We look forward to common development and create brilliance together. Feel free to contact our team to experience supreme service and quality products. Looking forward to working with us.

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FAQ

Q1:Can you send samples?

A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

Q2:What product information do I need to provide?

A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.

Q3:It's my first time to import steel products, can you help me with it?

A:Sure,we have agent to arrange the shipment, we will do it together with you.

Q4:What about product prices information?

A:Prices various according to periodic price changes of raw materials.

Q5:What ports of shipment are there?

A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.

Q6:What is your terms of payment ?

A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.

Q7.Do you provide custom made Products service?

A: Yes,if you have your own design , we can produce according to your specification and drawing.

Q8:What are the certifications for your products?

A:We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.

Q9: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.

Q10: How many countries you already exported to?

A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, 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.

Welded Steel Pipe