ERW Steel Pipe
Classification :
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
Keywords:
Welded 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 |
|
warehouse storage
The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.
Packing and shipping
Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.
Customer visit
Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!
Cooperation Case
Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.
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