phala ea tšepe ea SAWLke phala ea tšepe e cheselitsoeng ka nako e telele e entsoeng ka mokhoa oa Submerged Arc Welding (SAW).
SEBAKA= LSAW
Mabitso a mabeli a fapaneng a mokhoa o ts'oanang oa ho tjheseletsa ka bobeli a bua ka liphaephe tsa tšepe tse kentsoeng ka nako e telele tsa arc-welded.Lenane lena la mabitso le bakoa haholo ke litloaelo tsa lipuo le liphapang tsa libaka, empa haholo-holo, ka bobeli li hlalosa mokhoa o tšoanang oa tlhahiso.
Likonopo tsa ho Tsamaisa
Mekhoa ea Tlhahiso ea SAWL
Thepa e kholo ea tlhahiso ea phala ea tšepe ea SAWL
Lisebelisoa tse ka sehloohong tsa SAWL
SAWL Common Specification Dimensions
SAWL Steel Pipe Executive Standards le Kereiti
Litšobotsi tsa Ts'ebetso ea Pipe ea tšepe ea SAWL
Likopo tsa Pipe ea tšepe ea SAWL
Lihlahisoa tsa rona tse Amanang
Mekhoa ea Tlhahiso ea SAWL
Khetho ea poleiti le ho itokisa → Ho Seha le ho Sila ka Mekhatlo → Ho theha → Ho roka le ho tjheseletsa pele → Ho tjheseletsa Seam ka Hare le Ka Ntle → Tlhahlobo ea Seam Welding → Ho otlolla, Ho Atolosoa ha Mohatsela le ho Seha Bolelele → Kalafo ea Mocheso → Kalafo le Tšireletso ea Bokaholimo → Tlhahlobo ea ho Qetela le ho Paka.
Khetho ea poleiti le ho itokisa
Khetho ea thepa e loketseng ea tšepe ea tšepe, hangata e nang le matla a phahameng a carbon steel kapa alloy steel plate.
Letlapa la tšepe le hloka ho hloekisoa holimo ho tlosa mafome, oli le litšila tse ling pele li etsoa.
Ho Cutting le Edge Milling
Ho seha lipoleiti tsa tšepe: Ho seha lipoleiti tsa tšepe ka boholo bo nepahetseng ho ea ka bophara ba phala ea tšepe e tla hlahisoa.
Edge milling: ho sebelisa mochini o silang, ho tlosa li-burrs le sebopeho se nepahetseng.
Ho theha
Leloala la tšepe le sephara le kobeha ka leloala e le hore butle-butle le thehoe hore e be sebopeho sa cylindrical se bulehileng.Mokhoa oa ho theha ka kakaretso ke JCOE.
Seaming le ho tjheseletsa pele
Ho sebelisoa seamer pele ho tjheseletsa, seam, le pre-welding li etsoa.
Pele ho tjheseletsa lipheletsong tsa lipoleiti ho lokisa sebopeho le ho etsa bonnete ba hore butt jointing e nepahetseng ea li-tubes nakong ea ts'ebetso e kholo ea tjheseletsa.
Ho tjheseletsa Seam ka hare le kantle
Mahlakore a malelele (li-longitudinal seams) a phala a tšeloa ka mokhoa oa ho tjheseletsa arc ka tlas'a metsi.Hangata mohato ona o etsoa ka nako e le 'ngoe ka hare le ka ntle ho phala.
Welding e kentsoeng ka tlas'a metsi e etsoa sebakeng se koaletsoeng kapa se koaletsoeng moo sebaka sa weld se koahetsoeng ka bongata bo bongata ho thibela oxidation le ho boloka weld e hloekile.
Tlhahlobo ea Welding Seam
Kamora ho qeta weld, weld e hlahlojwa ka pono le ka tsela e sa senyeheng (mohlala X-ray kapa ultrasonic testing) ho netefatsa hore weld ha e na sekodi mme e fihlella maemo a boleng.
Ho otlolla, Katoloso e batang le ho Seha Bolelele
U sebelisa mochine o otlolohileng, otlolla phala ea tšepe.Etsa bonnete ba hore ho otloloha ha pipe ea tšepe ho finyella litlhoko tse tloaelehileng
Eketsa phala ea tšepe ka mochine o atolosang bophara ho finyella bophara bo nepahetseng le ho felisa khatello ea kelello.
Khaola phala ea tšepe ka bolelele bo boletsoeng ho latela litlhoko tsa bareki.
Kalafo ea Mocheso
Haeba ho hlokahala, li-tubes li phekoloa mocheso, joalo ka ho tloaeleha kapa ho kenngoa, ho lokisa mekhoa ea mechine ea li-tubes le ho matlafatsa ho tiea le matla.
Kalafo le Tšireletso ea Bokaholimo
Litlhare tsa ho roala, tse kang li-anti-corrosion coatings, li sebelisoa holim'a liphaephe tsa tšepe ho ntlafatsa ho hanyetsa ha tsona le bophelo ba tšebeletso.
Tlhahlobo ea ho Qetela le ho Paka
Ha ho phetheloa mehato eohle ea ho etsa thepa, ho etsoa tlhahlobo ea ho qetela le boleng ho netefatsa hore sehlahisoa se kopana le litlhaloso.Ho phutheloa ho nepahetseng ho etsoa ha ho lokisetsoa ho romelloa.
Thepa e kholo ea tlhahiso ea phala ea tšepe ea SAWL
Mochini o sehang poleiti ea tšepe, mochini o silang oa tšepe, mochini oa tšepe o kobehang pele, mochini o etsang liphaephe tsa tšepe, mochini oa seam oa pele oa tjheseletsa, mochini oa welding o kahare, mochini oa welding oa kantle, mochini o pota-potileng lipeipi tsa tšepe, mochini o otlollang, hlooho e bataletseng ea chamfering. mochini, mochini o holisang.
Lisebelisoa tse ka sehloohong tsa SAWL
Tšepe ea Carbon
Thepa e tloaelehileng haholo bakeng sa lits'ebetso tse ngata tse tloaelehileng.Tšepe ea carbon e fapana ho ea ka khabone ea eona le likarolo tse ling tsa alloying tse kentsoeng ho lokisa matla a eona, ho tiea le ho hanyetsa ho bola.
Tšepe ea alloy e tlase
Likarolo tse nyane tsa alloying (mohlala, nickel, chromium, molybdenum) li eketsoa ho ntlafatsa thepa e ikhethang, joalo ka mocheso o tlase o tlase kapa ho hanyetsa ho roala.
Litšepe tsa Alloy Low Strength Low Strength (HSLA):
Liqapi tse entsoeng ka alloy tse tlase li fana ka matla a eketsehileng le ho tiea ha li ntse li boloka ts'ebetso e ntle ea weldability le sebopeho.
Ts'epe e sa beng le mabali
E sebelisoa libakeng tse senyang haholo joalo ka maoatle kapa lisebelisoa tsa ho sebetsana le lik'hemik'hale.Li-tubing tsa tšepe tse sa hloekang li fana ka kutu e ntle haholo le ho hanyetsa mocheso o phahameng.
SAWL Common Specification Dimensions
Diameter
350 ho 1500mm, ka linako tse ling le ho feta.
Botenya ba lebota
8mm ho 80mm, ho itšetlehile ka tekanyo ea khatello ea phala le matla a hlokahalang a mochine.
Bolelele
6 metres ho isa ho 12 metres.Hangata bolelele ba lipeipi bo etsoa ho latela litlhoko tsa bareki le mathata a lipalangoang.
SAWL Steel Pipe Executive Standards le Kereiti
API 5L PSL1 & PSL2: GR.B, X42, X46, X52, X60, X65, X70
ASTM A252: GR.1, GR.2, GR.3
BS EN10210: S275JRH, S275J0H, S355J0H, S355J2H
BS EN10219: S275JRH, S275J0H, S355J0H, S355J2H
ISO 3183: L245, L290, L320, L360, L390, L415, L450, L485, L555
CSA Z245.1: 241, 290, 359, 386, 414, 448, 483
JIS G3456: STPT370, STPT410, STPT480
Litšobotsi tsa Ts'ebetso ea Pipe ea tšepe ea SAWL
Matla a phahameng a mochine le ho tiea
e khona ho mamella khatello e phahameng le libaka tse thata, tse loketseng likopo tse hlokang matla a phahameng.
Ho nepahala ho hoholo ha dimensional
ts'ebetso e nepahetseng ea tlhahiso e tiisa ho lekana ka bophara le botenya ba lebota, ho ntlafatsa ts'epahalo e akaretsang ea sistimi ea liphaephe.
Boleng bo botle ba welding
Welding e kentsoeng ka tlas'a metsi e fokotsa oxidization tlas'a phello ea ho sireletsa khase le ho phalla, ho matlafatsa bohloeki le matla a weld.
Khanyetso e phahameng ea kutu
phekolo e eketsehileng e thibelang kutu e etsa hore e tšoanelehe bakeng sa libaka tse ngata tse fapaneng, ho kenyeletsoa liphaephe tse tsamaeang ka tlas'a metsi kapa ka tlas'a lefatše.
E loketse lipalangoang tsa sebaka se selelele
Matla a phahameng le botsitso bo boholo li etsa hore e be sebaka se loketseng liphaephe tsa oli le khase tsa sebaka se selelele.
Likopo tsa Pipe ea tšepe ea SAWL
Lisebelisoa tsa bohlokoa ka ho fetesisa tsa phala ea tšepe ea SAWL li ka akaretsoa e le tšebeliso e fetisang ea sebopeho le sebopeho.
Ho tsamaisa mecha ea litaba
Lipeipi tsa tšepe tsa SAWL li loketse ka ho khetheha bakeng sa ho tsamaisa mecha ea litaba e kang oli, khase le metsi.Ka lebaka la thepa ea tsona e phahameng ea mechine le ho hanyetsa khatello e phahameng, liphaephe tsena li atisa ho sebelisoa ka tlas'a lefatše kapa liphaepheng tsa lipalangoang tsa oli le khase tse tsamaeang ka tlas'a metsi, hammoho le mekhoa ea phepelo ea metsi le ea ho ntša metsi litoropong le indastering.
Tšebeliso ea sebopeho
Pipe ea tšepe ea SAWL e fana ka matla le botsitso bo hlokahalang kahong ea marokho, meaho ea ts'ehetso ea moaho, sethala sa maoatle le meaho e meng e hlokang matla le nako e telele.Lisebelisoa tsena li sebelisa matla a phahameng a ho jara le thepa e ntle ea tjheseletsa ea pipe ea tšepe.
Lihlahisoa tsa rona tse Amanang
Joaloka moetsi oa liphaephe tsa tšepe tse cheselitsoeng le tse rekisoang Chaena, re ikemiselitse ho fa bareki ba rona lihlahisoa tsa boleng bo phahameng le tšebeletso e babatsehang.Haeba o hloka phala ea tšepe kapa lihlahisoa tse amanang le tsona, ka kopo ikutloe u lokolohile ho ikopanya le rona.Re labalabela ho fumana potso ea hau le ho u fa litharollo tse khotsofatsang.
tags:sawl,lsaw,peipi ea lsaw, bafani, bahlahisi, lifeme, barekisi, lik'hamphani, wholesale, reka, theko, qotso, bongata, thekiso, litšenyehelo.
Nako ea poso: Apr-11-2024