Imiyoboro y'icyuma cya karuboni ikozwe mu cyuma cya Helical-seam ASTM A139 Grade A, B, C

Ibisobanuro bigufi:

Ibi bisobanuro bikubiyemo ubwoko butanu bw'umuyoboro w'icyuma uhujwe n'amashanyarazi (electro-fusion) ukoresheje helical-seam. Umuyoboro ugenewe gutwara amazi, gazi cyangwa umwuka.

Ifite imiyoboro 13 ikora imiyoboro y'icyuma ikoze mu buryo bwa spiral, Cangzhou Spiral Steel pipes group Co., Ltd. ifite ubushobozi bwo gukora imiyoboro y'icyuma ikoze mu buryo bwa helical-seam ifite umurambararo wo hanze kuva kuri 219mm kugeza 3500mm n'ubugari bw'urukuta bugera kuri 25.4mm.


Ibisobanuro birambuye ku gicuruzwa

Ibirango by'ibicuruzwa

Imitungo ya Mekanike

Icyiciro cya A Icyiciro cya B Icyiciro cya C Icyiciro cya D Icyiciro cya E
Ingufu z'umusaruro, ubugari, Mpa (KSI) 330 (48) 415 (60) 415 (60) 415 (60) 445 (66)
Ingufu zo gukurura, ubunini, Mpa (KSI) 205 (30) 240 (35) 290 (42) 315 (46) 360 (52)

Ibikoresho bya shimi

Igice

Imiterere, Ibipimo ntarengwa, %

Icyiciro cya A

Icyiciro cya B

Icyiciro cya C

Icyiciro cya D

Icyiciro cya E

Karuboni

0.25

0.26

0.28

0.30

0.30

Manganese

1.00

1.00

1.20

1.30

1.40

Fosifore

0.035

0.035

0.035

0.035

0.035

Sulfure

0.035

0.035

0.035

0.035

0.035

Ikizamini cy'amazi

Buri burebure bw'umuyoboro bugomba kugeragezwa n'uruganda ku gitutu cya hydrostatic kizatera mu rukuta rw'umuyoboro igitutu kitari munsi ya 60% by'imbaraga z'umusaruro ntarengwa wagenwe ku bushyuhe bw'icyumba. Igitutu kigomba kugenwa n'ikigereranyo gikurikira:
P=2St/D

Impinduka zemewe mu buremere n'ingano

Uburebure bwa buri muyoboro bugomba gupimwa ukwabwo kandi uburemere bwabwo ntibugomba gutandukana kurenza 10% hejuru cyangwa 5.5% munsi y'uburemere bwabwo, bubarwa hakoreshejwe uburebure bwabwo n'uburemere bwabwo kuri buri gice cy'uburebure.
Umurambararo wo hanze ntugomba gutandukana kurenza ± 1% ugereranije n'umurambararo wo hanze wagenwe.
Ubugari bw'urukuta aho ari ho hose ntibugomba kurenza 12.5% ​​munsi y'ubugari bw'urukuta bwagenwe.

Uburebure

Uburebure bumwe butunguranye: 16 kugeza 25ft (4.88 kugeza 7.62m)
Uburebure bubiri butunguranye: hejuru ya 25ft kugeza 35ft (7.62 kugeza 10.67m)
Uburebure bungana: ihinduka ryemewe ± 1in

Irangira

Imiyoboro y'amazi igomba gushyirwaho impera zisanzwe, kandi uduce tw'amazi ku mpera tugomba gukurwaho
Iyo impera y'umuyoboro yagenwe kuba impera z'umuyoboro, inguni igomba kuba hagati ya dogere 30 na 35


  • Ibanjirije iyi:
  • Ibikurikira:

  • Andika ubutumwa bwawe hano hanyuma ubwoherereze