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Amapayipi Okufaka
Imikhiqizo Isingeniso
Amazinga wezinto ezibonakalayo:
Amapayipi okuphothula ngokuvamile ahlukaniswa ngokusekelwe ezintweni ezenziwe ngazo, ezingafaka insimbi ye-carbon, i-alloy steel, noma ezinye izinto. Izindinganiso eziqondile zezinto ezibonakalayo zizoncika ekusetshenzisweni okuhlosiwe kanye nendawo lapho kuzosetshenziswa ipayipi lokubopha.
Amazinga Okukhiqiza:
Inqubo yokukhiqiza ipayipi yokunqwabelanisa ingase idinge ukuhambisana nezindinganiso ezithile zokuqinisekisa ikhwalithi, ukwethembeka nokusebenza kwepayipi. Lawa mazinga angase athuthukiswe izinhlangano ezifana ne-American Society for Testing and Materials (ASTM), i-American Petroleum Institute (API), noma ezinye izinhlangano zamazinga zikazwelonke noma zamazwe ngamazwe ezifanele.
Amazinga Wokuklama:
Amapayipi okuphothula angase adingeke ukuze ahlangabezane nezindinganiso ezithile zokuklama ukuze kuqinisekiswe ubuqotho bawo besakhiwo namandla okuthwala umthwalo. Lawa mazinga angase athuthukiswe izinhlangano zobunjiniyela nezokwakha noma izikhungo ezilawula uhulumeni.
Amazinga okukhiqiza:
Inqubo yokukhiqiza yama-Summerged-Arc Welded Steel Pipes ingalandela izindinganiso ezithile ezibekwe izinhlangano ezifana ne-American Petroleum Institute (API), i-American Society for Testing and Materials (ASTM), noma ezinye izinhlangano zamazinga zikazwelonke noma zamazwe ngamazwe ngale ndlela elandelayo: I-API. 5L, API 5CT, ASTM 53, EN10217, DIN 2458, IS 3589, GB/T3091, GB/T9711,EN10217, EN10219
Imibandela Yokusebenzisa:
Amapayipi okuphothula angahlukaniswa ngokuya ngokusetshenziswa kwawo okuhlosiwe, njengokunqwabelanisa olwandle, ukunqwabelanisa isisekelo, noma izinhlobo ezithile zenhlabathi noma izimo zejoloji. Kubalulekile ukubonisana namazinga athile kanye nezigaba ezihlobene nohlobo lwepayipi lokunqwabelanisa elidingekayo kuphrojekthi ethile. Uma unemibandela ethile noma izigaba, sicela ukhululeke ukunikeza imininingwane eyengeziwe ukuze ngikwazi ukunikeza ulwazi oluthe xaxa oluqondiwe.
Inqubo:
I-SSAW - I-Spiral Submerged arc eshiselwe
I-LSAW – UO(UOE), RB(RBE), JCO(JCOE)
I-DSAW - I-arc efakwe kabili ehlanganisiwe
Ubukhulu:
Ngaphandle Ububanzi: 355.6mm-1626mm
Ubukhulu bodonga: 8 -50mm
Ubude: kufika ku-12m
Ibanga Lensimbi:
I-API 5L: GR B, X42,X46, X56, X60,X65,X70
I-ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
I-GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Ubuso: I-Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating njengemfuneko yekhasimende ngalinye
Ukuhlolwa: Ukuhlaziywa Kwengxenye Yamakhemikhali, Izakhiwo Zemishini (Amandla Okugcina Aqinile, Amandla Okukhiqiza, Ukwelula), Izakhiwo Zobuchwepheshe (Ukuhlolwa Okuphansi, Ukuhlola Ukugoba, Ukuhlolwa Kwegalelo, Ukuhlolwa Komthelela), Ukuhlolwa Kosayizi Wangaphandle, Ukuhlolwa Kwe-Hydrostatic, Ukuhlolwa Kwe-X-ray.
Isitifiketi Sokuhlola I-Mill: EN 10204/3.1B
Imibandela Yokufaka Isicelo: Amapayipi ashiselwe ngobude angahlukaniswa ngokusekelwe ekusetshenzisweni kwawo okuhlosiwe, njengamapayipi kawoyela negesi, ukufakwa kwesakhiwo, noma ukusetshenziswa kwezimboni okuvamile. Qiniseka ukuthi ubhekisela kumazinga athile kanye nezigaba ezifanele ezidingweni zakho ezithile, njengoba zingahluka ngokuya ngemboni nendawo.
API 5L Line Pipe
I-API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70
IZIMPAHLA ZEMITHETHO KANYE NOKWAKHIWA KWAKHEMIKHALI YENsimbi
IBANGA LESsimbi | Amandla okukhiqiza, imiz. i-psi (MPa) | Amandla aqinile, imiz. i-psi (MPa) | Ukwelulwa ku-2 in., min. % |
GR B | 245 | 415 | |
X42 | 290 | 415 | |
X46 | 320 | 435 | |
X52 | 360 | 460 | |
X56 | 390 | 490 | |
X60 | 415 | 520 | |
X65 | 450 | 535 | |
X70 | 485 | 570 |
IBANGA LESsimbi | % ngesisindo, Ubuningi | ||||
C | Futhi | UMn | P | S | |
GR B | 0.26 | 0.40 | 1.20 | 0.030 | 0.030 |
X42 | 0.26 | 0.40 | 1.30 | 0.030 | 0.030 |
X46 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X52 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X56 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X60 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X65 | 0.26 | 0.40 | 1.45 | 0.030 | 0.030 |
X70 | 0.26 | 0.40 | 1.65 | 0.030 | 0.030 |
AMAPHAYIPHA EZINSI NGOKUNYE NGE-ASTM A53 GR. B
IZIMPAHLA ZEMITHETHO KANYE NOKWAKHIWA KWAKHEMIKHALI YENsimbi
IBANGA LESsimbi | Ubuningi Bokuqamba, % | ||||||||
C | UMn | P | S | Nge | Ku | Cr | Mo | IN | |
GR B | 0.30 | 1.20 | 0.05 | 0.05 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
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