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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

Classification :

Welded Steel Pipe

Key Word :

ERW Steel Pipe

+86-15315575332

phl@zgbaogangsteel.com

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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

Storage video

Factory appearance and appearance

With strong financial strength, we have set up large factories and warehouses in more than 10 cities across the country, with a stock of more than 100000 tons, saving customers procurement time, ensuring customers' production cycle and product quality, and being the quality partner of end customers.

Factory appearance and appearance

1. Samples may be provided by the seller and freight borne by the buyer.
2. We have full stock,and can deliver within short time. Many styles for your choices.
3. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
5. We have many years of experience in manufacturing and selling steel and we cherish every order from our honor.

Application field

The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision machining, auto parts, machinery, electronic products, molds, medical treatment Equipment, construction, decoration, etc.

Customer Visit Feedback

With 30 years of experience in R&D and production of high-quality steel, we have been selected as one of China's top 500 enterprises for 15 consecutive years. With strong financial strength, we have set up large factories and warehouses in more than 10 cities across the country, with a stock of more than 100000 tons

Honor

The company has adhered to the principle of quality first and service-oriented for many years, and has provided high-quality steel for key national projects such as steel structure engineering, highway and railway construction, hydropower stations, mines, and plant renovations.

COOPERATIVE PARTNER

FAQ

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:Do you have the products in stock?

A:We have the products in stock. Also, we can produce for your order.

Q5:Do you offer after-sales services?

A:Certainly. If you have any questions, please feel free to contact us. We shall certainly do it to your satisfaction.

Q6:What kind of work does your company do?

A:Our company is a professional manufacturer. We mainly produce stainless steel plate/coil/round rod, carbon steel plate/coil,galvanized plate/coil, PPGI coil, roofing sheet and so on.

Q1:Will you offer samples?

A:Yes. We will provide samples according to your needs and send them out within three days after receiving payment.

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.

Q7;What are the advantages of your company？

We have international advanced production equipment, large factory buildings, strong company strength, perfect products and reliable quality。

Q8： Are you a factory or trading company?

A;We are a factory specializing in the production of steel

Welded Steel Pipe