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ERW Steel Pipe
ERW Steel Pipe
ERW Steel Pipe

ERW Steel Pipe

Ang ERW steel pipe ay isang straight seam electric resistance welded pipe, dinaglat bilang ERW pipe, na isang round pipe na hinangin ng mga steel plate. Ito ay ginagamit upang maghatid ng singaw at mga likidong bagay tulad ng langis at n atural na gas, at maaaring matugunan ang iba't ibang pangangailangan ng mataas at mababang presyon.
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ERW Steel Pipe

Uri ng Pipe: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe
Application: Para sa Low Pressure Fluid Transmission, Machinery Manufacturing

Detalye: OD: 21.3mm ~ 660mm

WT: 1mm ~ 17.5mm

HABA: 0.5mtr ~ 22mtr (5.8/6/11.8/12 metro, SRL, DRL)

Standard at Grado: 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

Katapusan: Mga Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Ibabaw: Nakahubad, Bahagyang Nalangis, Itim/Pula/Dilaw na Pagpinta, Zinc/Anti-corrosive Coating

Pag-iimpake: Bundled/Maramihan, Plastic Caps Nakasaksak, Waterproof Paper na Nakabalot

Proseso ng Produksyon para sa ERW steel pipe:

1.Uncoiling --- 2. Leveling --- 3. End cutting --- 4. End shearing welding --- 5. Supercoil accumulator --- 6. Edge cutting --- 7. Ultrasonic detection --- 8. Nabubuo --- 9. Electric induction welding --- 10. Ultrasonic detection para sa 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 para sa weld seam --- 23. Ultrasonic detection para sa pipe end --- 24. Visual at dimension inspection --- 25. Weighting and measurement --- 26. Marking --- 27. Coating --- 28. Proteksyon sa dulo ng tubo --- 29. Baluktot --- 30. Pagpapadala

Pagtutukoy ng ERW steel pipe:

API 5L/ASTM A53 GR.B (Maliit Diameter ERW Steel Pipe)
Labas Diameter Kapal Pader Labas Diameter Kapal Pader
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 GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)
Labas Diameter Kapal Pader Labas Diameter Kapal Pader
外径 (mm) 壁厚 (mm) 外径 (mm) 壁厚 (mm)
245, 273 5.0-9.28 450, 457, 508, 530 6.5-11.98
9.45-9.98 12.0-14.5
10.0-11.78 15.0-17.8
299 5.0-9.28 18.0-20.0
9.45-9.98 560, 610, 630 6.5-11.98
10.0-11.78 12.0-14.5
325 5.5-9.28 15.0-17.8
9.48-10.48 18.0-20.0
10.58-11.78 660 7.5-11.98
351, 355, 377 5.5-11.98 12.0-14.5
12.0-15 15
15.5-16 720, 820 8.5
402, 406, 426 5.5-11.98 12.0-14.5
12.0-14.5 15.0-19.98
15.5-16 18.0-20.0

API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
Labas Diameter Kapal Pader Labas Diameter Kapal Pader
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
Teknikal na data

Mga tolerance ng ERW steel pipe

Pamantayan Grade Out Diameter Tolerance Pagpapahintulot sa Kapal ng Pader
ASTM A53 A +/-1.0% +/- 12.5%
B +/- 1.0% +/- 12.5%
Pagsusuri ng Kemikal at Mga Katangiang Mekanikal ng ERW steel pipe
Pamantayan Grade Pagsusuri ng Kemikal(%) Mga Mechanical Property(min)(Mpa)
C Mn P S Lakas ng makunat Lakas ng Yield
ASTM A53 A 0.25 0.95 0.05 0.045 330 205
B 0.30 1.20 0.05 0.045 415 240
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