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ERW Steel 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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ERW Steel Pipe
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 |
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 |
2.1-2.4 |
Φ139.7 |
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 |
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 |
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 |
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 |
3.0-4.0 |
9.0-9.75 |
|
|
4.25-4.75 |
10.0-11.75 |
||
|
5.0-5.25 |
/ |
||
|
5.5-6.0 |
Φ177.8 |
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 |
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 |
12.5-13.75 |
|
|
12.5-13.75 |
457、478 |
5.75-11.75 |
|
|
299 |
5.5-11.75 |
12.5-13.75 |
|
|
12.5-13.75 |
14.5-17.75 |
||
|
325 |
5.5-11.75 |
508 |
5.75-11.75 |
|
12.5-13.75 |
12.5-13.75 |
||
|
355 |
5.5-11.75 |
14.5-17.75 |
|
|
12.5-13.75 |
529/559/610/630 |
5.75-11.75 |
|
|
377 |
5.75-11.75 |
12.5-13.75 |
|
|
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 |
12.5-13.75 |
|
|
12.5-13.75 |
457、478 |
5.75-11.75 |
|
|
299 |
5.5-11.75 |
12.5-13.75 |
|
|
12.5-13.75 |
14.5-17.75 |
||
|
325 |
5.5-11.75 |
508 |
5.75-11.75 |
|
12.5-13.75 |
12.5-13.75 |
||
|
355 |
5.5-11.75 |
14.5-17.75 |
|
|
12.5-13.75 |
529/559/610/630 |
5.75-11.75 |
|
|
377 |
5.75-11.75 |
12.5-13.75 |
|
|
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% |
|
B |
+/- 1.0% |
+/- 12.5% |
Chemical Analysis & Mechanical Properties of ERW steel pipe
|
Standard |
Grade |
Chemical Analysis(%) |
Mechanical Properties(min)(Mpa) |
||||
|
C |
Mn |
P |
S |
Tensile Strength |
Yield Strength |
||
|
ASTM A53 |
A |
0.25 |
0.95 |
0.05 |
0.045 |
330 |
205 |
|
B |
0.30 |
1.20 |
0.05 |
0.045 |
415 |
240 |
|
Factory video
Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.
Warehouse storage
The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.
Packing and delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Production Technology
Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper. We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service.
Honor
Application
Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.
Architectural field
Architectural field
Automotive field
Automotive field
Aviation field
Aviation field
Chemical industry field
Chemical industry field
FAQ
How do you package the product?
The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.
Are the products inspected before shipment?
Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.
Can I visit your factory?
Of course. We welcome customers from all over the world to visit our factory.
What certifications have your products passed?
We have ISO 9001, SGS, EWC and other certifications.
Can you provide samples?
Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge
What is the loading port?
Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.
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Message
Add：Shan Gang Building, 61-11 South Gongye Road, Jinan Area, China (Shandong) Pilot Free Trade Zone
MD Steel
Message
info@mingdingsteel.com
+8615553113555