Iphayiphi Lekhabhoni Elishiselwe Insimbi yaseChina
ThekelisaIpayipi Lensimbi Yekhabhoni,China Steel Pipe,Ipayipi Lensimbi Eliphansi Lekhabhoni,amapayipi ashiselwe, evela eChina. Inkampani yethu igxile ekuthumeleni kwamanye amazwe amapayipi ensimbi ashiselwe kanye namapayipi ensimbi angenamthungo. Izinkulungwane zamathani amapayipi ensimbi ashiselwe athunyelwa kwamanye amazwe minyaka yonke. Amapayipi ashiselwe avame ukuthunyelwa kwamanye amazwe ahlukaniswe abe LSAW kanye ne-SSAW. Uyawazi umehluko phakathi kwepayipi le-LSAW nepayipi le-SSAW?
Ipayipi le-LSAW (Longitudinal Submerged Arc-Welding Pipe), ebizwa nangokuthi ipayipi le-SAWL. Ithatha i-steel plate njengento eluhlaza, ilibumbe ngomshini wokubumba, bese yenza i-arc welding engaphansi kwezinhlangothi ezimbili. Ngale nqubo ipayipi lensimbi le-LSAW lizothola i-ductility enhle kakhulu, ukuqina kwe-weld, ukufana, ipulasitiki kanye nokuvala okukhulu.
Ibanga lobubanzi bepayipi le-LSAW likhulu kune-ERW, ngokuvamile lisuka ku-16 intshi ukuya ku-60 intshi, 406mm kuya ku-1500mm. Ukusebenza kahle kokumelana nomfutho ophezulu, kanye nokumelana nokugqwala kwezinga lokushisa eliphansi.
Isetshenziswe kabanzi kumapayipi kawoyela negesi, edingeka ngokukhethekile ububanzi obukhulu kanye nepayipi eliwugqinsi elinamandla amakhulu nebanga elide. Khonamanjalo ekwakhiweni kwesakhiwo esidinga amandla aqinile, ukuhlanzwa kwamanzi, imboni eshisayo, ukwakhiwa kwebhuloho, njll. Ngokusho kwemininingwane ye-API, ipayipi le-LSAW (ipayipi le-SAWL noma ipayipi le-JCOE) liqokwe ngokukhethekile ekuthuthweni kukawoyela negesi ngezikali ezinkulu, ezimeni lapho amapayipi anqamula idolobha, ulwandle, nendawo yasemadolobheni. Lezi izindawo zekilasi 1 kanye nekilasi lesi-2.
I-SSAW Pipe (Spiral Submerged Arc-Welding Pipe), ebizwa nangokuthi ipayipi le-HSAW (Helical SAW), umumo womugqa wokushisela njenge-helix. Isebenzisa ubuchwepheshe bokushisela obufanayo be-Submerged Arc-Welding ngepayipi le-LSAW. Ngokuhlukile i-SSAW ipayipi i-spiral eshiselwe lapho i-LSAW ishiselwe khona ngobude. Inqubo yokukhiqiza igoqa umugqa wensimbi, ukwenza isiqondiso sokugoqa sibe ne-engeli enesiqondiso sesikhungo sepayipi, ukwakha kanye nokushisela, ngakho-ke i-welding seam is in a spiral line.
Ububanzi bobubanzi bepayipi le-SSAW busuka ku-20 intshi kuya ku-100 intshi, 406 mm kuya ku-2540 mm. Ingxenye yenzuzo singathola ububanzi obuhlukene bamapayipi e-SSAW ngosayizi ofanayo we-strip yensimbi, kukhona isicelo esibanzi sempahla eluhlaza. steel strip, futhi umthungo Welding kufanele ugweme ukucindezeleka okuyinhloko, ukusebenza okuhle ukuthwala ukucindezeleka.
Ububi buwubukhulu bomzimba obubi, ubude be-welding seam bude kunobude bepayipi, kulula ukubangela iziphambeko zokuqhekeka, imbobo yomoya, ukufakwa kwe-cinder, i-welding ingxenye, amandla okushisela esimweni sokudonsa.
Ezinhlelweni zamapayipi kawoyela negesi, kodwa ekucacisweni kwedizayini ye-petroleum, ipayipi le-SSAW / ipayipi le-HSAW lingasetshenziswa kuphela ekilasini lesi-3 nasezindaweni zekilasi lesi-4. Isakhiwo sokwakha, ukuthuthwa kwamanzi kanye nokuhlanza indle, imboni eshisayo, izakhiwo njll.
Uhlolojikelele
Isicelo
Isetshenziselwa Ikakhulukazi izingxenye zamandla nengcindezi, futhi ngenjongo evamile yamapayipi omusi, amanzi, igesi nomoya.
Ibanga Eliyinhloko
G.A, GR.B
Ingxenye Yekhemikhali
| Ibanga | Ingxenye %，≤ | ||||||||
| C | Mn | P | S | CuA | NiA | CrA | MoA | VA | |
| Uhlobo lwe-S (ipayipi elingenamthungo) | |||||||||
| G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Uhlobo lwe-E (Ipayipi elishiselwe ukumelana) | |||||||||
| G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Uhlobo F (Ipayipi Elishiselwe Esithandweni) | |||||||||
| A | 0.30B | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
A Isamba salezi zakhi ezinhlanu akufanele sibe ngaphezu kuka-1.00%.
B Kulokho kwehla ngo-0.01% kokuqukethwe okuphezulu kwekhabhoni, okuqukethwe okuphezulu kwe-manganese kuvunyelwe ukukhuphuka ngo-0.06%, kodwa umkhawulo angeke udlule u-1.35%.
C Ukwehla ngakunye ngo-0.01% kokuqukethwe kwekhabhoni ephezulu kuzovumela okuqukethwe okuphezulu kwe-manganese ukuthi kukhuphuke ngo-0.06%, kodwa umkhawulo akumele udlule u-1.65%.
Impahla Mechanical
| into | G.A | GR.B |
| amandla okubamba, ≥, psi [MPa] Amandla Okukhiqiza, ≥, psi [MPa] Gauge 2in.noma 50mm ubude | 48 000 [330]30 000 [205]A,B | 60 000 [415]35 000 [240]A,B |
A Ubude obuncane begeji engu-2in. (50mm) izonqunywa ngefomula elandelayo:
e=625000(1940)A0.2/U0.9
e = ubude obuncane begeji engu-2in. (50mm), iphesenti lifinyezwa ku-0.5% eseduze;
A = Ibalwa ngokuhambisana nobubanzi obushiwo bangaphandle beshubhu lokuzisholo noma ububanzi besampula obuqinile kanye nogqinsi olucacisiwe lodonga, futhi lazungezwa endaweni eseduze yesigaba esiphambanayo yesampula eqinile engu-0.01 in.2 (1 mm2), futhi Iqhathaniswa no-0.75in.2 (500mm2), kuye ngokuthi yikuphi okuncane.
U = amandla amancane aqinile abekiwe, i-psi (MPa).
B Ngokuhlanganiswa okuhlukahlukene kosayizi abahlukene bezibonelo zokuhlolwa kwe-tensile namandla anqunyiwe abekiwe, ubude obuncane obudingekayo buboniswa kuThebula X4.1 noma kuThebula X4.2, ngokuya ngokusebenza kwakho.
Isidingo Sokuhlola
Ukuhlolwa kwe-tensile, ukuhlolwa kokugoba, ukuhlolwa kwe-hydrostatic, ukuhlolwa kukagesi okungonakalisi kwama-welds.
Supply Amandla
Ikhono Lokuhlinzeka: Amathani angu-2000 Ngenyanga Ngebanga ngalinye le-ASTM A53/A53M-2012 Ipayipi Lensimbi
Ukupakisha
Kuyizinqwaba Nasebhokisini Lokhuni Eliqinile
Ukulethwa
Izinsuku ezingu-7-14 uma zisesitokweni, izinsuku ezingu-30-45 zokukhiqiza
Inkokhelo
30% depsoit, 70% L/C noma B/L ikhophi noma 100% L/C lapho ubona
Imininingwane Yomkhiqizo
I-Boiler Tube
I-GB/T 8162-2008
I-ASTM A519-2006
I-BS EN10210-1-2006
I-ASTM A53/A53M-2012
I-GB9948-2006
I-GB6479-2013
