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Kunyumba > Zogulitsa > Chitoliro chachitsulo > Welded Steel Pipe
Mtengo wa ERW
Mtengo wa ERW
Mtengo wa ERW

Mtengo wa ERW

Chitoliro chachitsulo cha ERW ndi chitoliro chowongoka chamagetsi chowongoka, chofupikitsidwa ngati chitoliro cha ERW, chomwe ndi chitoliro chozungulira chowotcherera ndi mbale zachitsulo. Amagwiritsidwa ntchito kunyamula zinthu za nthunzi ndi zamadzimadzi monga mafuta ndi n atural gas, ndipo amatha kukwaniritsa zofunikira zosiyanasiyana za kuthamanga kwambiri komanso kutsika.
Chiyambi cha malonda

Mtengo wa ERW

Mtundu wa Chitoliro: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe
Kugwiritsa Ntchito: Pa Kutumiza kwa Madzi Othamanga Kwambiri, Kupanga Makina

Kufotokozera: OD: 21.3mm ~ 660mm

WT: 1mm ~ 17.5mm

Utalitali: 0.5mtr ~ 22mtr (5.8/6/11.8/12 mamita, SRL, DRL)

Standard & Giredi: 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

Mapeto: Square Ends/Plain Ends (kudula mowongoka, kudula macheka, kudula tochi), Beveled/Threaded Ends

Pamwamba: Zopanda Mafuta, Zopaka Mafuta Ochepa, Zakuda/Zofiyira/Zopaka Zachikasu, Zinc/Zokutira Zoletsa kuwononga

Kulongedza: Zomangamanga /Muzochuluka, Zisoti Zapulasitiki Zomata, Mapepala Osalowa Madzi Okutidwa

Njira Yopangira ya ERW chitoliro chachitsulo:

1.Kumasula --- 2. Kusanja --- 3. Mapeto odula --- 4. Mapeto kumeta ubweya --- 5. Supercoil accumulator --- 6. Kudula m'mphepete --- 7. Kuzindikira kwa ultrasonic --- 8. Kupanga --- 9. Kuwotcherera kwa magetsi ---  10. Kuzindikira mwaukadaulo kwa weld seam ---  11. Kutentha kwapakati pafupipafupi --- 12. Kuziziritsa mpweya --- 13. Kuziziritsa madzi --- 14. Kukula -- - 15. Flying cutting --- 16. Flush-out --- 17. Cropping --- 18. Mayeso opalasa --- 19. Straightening --- 20. Mapeto akuyang'ana ndi bevelling --- 21. Hydrodynamic testing -- - 22. Kuzindikira kwa ukadaulo kwa weld seam --- 23. Kuzindikira mwaukadaulo kwa mapaipi kumapeto --- 24. Kuyang'ana kowoneka ndi miyeso --- 25.Kulemera ndi kuyeza --- 26. Kuyika --- 27. Kupaka --- 28. Chitetezo pamapaipi --- 29. Kupinda --- 30. Kutumiza

Kufotokozera kwa chitoliro chachitsulo cha ERW:

API 5L/ASTM A53 GR.B (Chitoliro  chaching'ono RW Chitsulo )
Kunja Diameter Makulidwe a Khoma Kunja Diameter Makulidwe a Khoma
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 pa 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 ndi 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 (PIPE WOTCHULULIDWA RW STEEL PIPE)
Kunja Diameter Makulidwe a Khoma Kunja Diameter Makulidwe a Khoma
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 (Pipe Yotentha Yozungulira RW Chitsulo)
Kunja Diameter Makulidwe a Khoma Kunja Diameter Makulidwe a Khoma
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
Deta yaukadaulo

Kulekerera kwa chitoliro chachitsulo cha ERW

Standard Gulu Out Diameter Tolerance Kulekerera kwa Wall Makulidwe
Chithunzi cha ASTM A53 A +/-1.0% +/- 12.5%
B +/- 1.0% +/- 12.5%
Chemical Analysis & Mechanical Properties wa ERW zitsulo chitoliro
Standard Gulu Chemical Analysis(%) Mechanical Properties(min)(Mpa)
C Mn P S Kulimba kwamakokedwe Zokolola Mphamvu
Chithunzi cha 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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