TheAPI 5Lmabitso a tloaelehileng a li-tubes tse thehiloeng ho matla a tsona a fokolang a tlhahiso.Ka hona,X52 (L360) e na le tlhahiso e fokolang ea matla a 52,200 psi (360 MPa).
X52=L360, ke mekhoa e 'meli ea ho hlahisa boemo bo tšoanang ba pipe ho API 5L standard.
X52ke sehlopha sa mahareng ho API 5L, se kopanyang matla a holimo le moruo.E sebelisoa haholo lipalangoang tsa oli le khase, merero ea kaho, liphaephe tsa likepe tse tsamaeang ka tlas'a metsi, joalo-joalo.
Botop Steelke moetsi ea hloahloa oa phala e teteaneng e nang le marako a maholo a bophara ba mahlakore a mabeli a kentsoeng ka metsing a LSAW a tšepe a fumanehang China.
1. Sebaka: Motse oa Cangzhou, Profinseng ea Hebei, Chaena;
2. Kakaretso ea Matsete: 500 milione RMB;
3. Sebaka sa fektheri: 60,000 square metres;
4. Matla a tlhahiso ea selemo: lithane tse 200,000 tsa liphaephe tsa tšepe tsa JCOE LSAW;
5. Thepa: Lisebelisoa tse tsoetseng pele tsa tlhahiso le liteko;
6. Tse khethehileng: tlhahiso ea lipeipi tsa tšepe tsa LSAW;
7. Setifikeiti: API 5L e netefalitsoe.
API 5L X52 Classification
Ho ipapisitsoe le boemo ba PSL le boemo ba pelehi, X52 e ka aroloa ka tsela e latelang:
PSL1: X52;
PSL2:X52N kapa L360N;X52Q kapa L360Q;X52M kapa L360M.
Ho PSL2, lengolo la suffix le bua ka mofuta oa kalafo ea mocheso eo thepa e lokelang ho etsoa ho eona pele ho pepa ho qetela.U ka e bonamaemo a pelehika tlase bakeng sa lintlha tse ling.
Maemo a Phano
Boitsebiso ba ho Qala
Li-ingots, lithunthung, li-billet, li-coil, kapa lipoleiti.
Bakeng sa pipe ea PSL 2, tšepe e tla bolaoa ebe e etsoa ho latela mokhoa o motle oa lijo-thollo.
Coil kapa poleiti e sebelisetsoang ho etsa pipe ea PSL 2 e ke ke ea ba le li-welds tsa ho lokisa.
API 5L X52 Manufacturing Process
Li-tubes tsa X52 li ka hlahisoa ho sebelisoa mekhoa e fapaneng ea tlhahiso ea li-tube ho fihlela litlhoko tse fapaneng tsa boenjiniere.
Ho tseba haholoanyane ka se boleloang ke poleloana e reng Manufacturing Process,tlanya mona.
SAWLke optimum tharollo bakeng sabophara bo boholo, bo botenya ba marakolipeipi tsa tšepe.
Mantsoe "SAWL"le"LSAW" ka bobeli li bua ka Longitudinal Submerged Arc Welded, empa li boleloa ka tsela e fapaneng libakeng tse fapaneng. Ka lehlakoreng le leng, lentsoe "LSAW" le sebelisoa haholo indastering.
Pipe ea LSAW e ka kopanngoa habeli ka lebaka la mefokolo ea lisebelisoa tlhahisong ea phala ea bophara bo boholo, 'me li-welds li lokela ho arohana ka 180 °.
Mefuta ea Pipe End bakeng sa API 5L X52
PSL1 Bofelo ba Pipe ea Tšepe: Qetello ea Beled kapa Qetello e hlakileng;
PSL2 Bofelo ba Pipe ea Tšepe: Qetello e hlakileng;
Bakeng sa liphaephe tse hlakilenglitlhoko tse latelang li lokela ho lateloa:
Lifahleho tsa ho qetela tsa t ≤ 3.2 mm (0.125 in) pipe ea ho qetela e tla ba lisekoere tse sehiloeng.
Li-tubes tse nang le t> 3.2 mm (0.125 in) li tla betoa bakeng sa ho cheselletsa.The angle bevel e lokela ho ba 30-35 ° 'me bophara ba sefahleho sa motso oa bevel e lokela ho ba 0.8 - 2.4 mm (0.031 - 0.093 in).
API 5L X52 Sebopeho sa Lik'hemik'hale
Sebopeho sa lik'hemik'hale tsa PSL1 le PSL2 pipe ea tšepe t > 25.0 mm (0.984 in) e tla khethoa ka tumellano.
Sebopeho sa Lik'hemik'hale bakeng sa PSL 1 Pipe e nang le t ≤ 25.0 mm (0.984 in.)
Sebopeho sa Lik'hemik'hale bakeng sa PSL 2 Pipe e nang le t ≤ 25.0 mm (0.984 in.)
Bakeng sa lihlahisoa tsa lipeipi tsa tšepe tsa PSL2 tse hlahlobiloeng kakhabone ea ≤0.12%, k'habone e lekanang le CEpcme ka baloa ho sebelisoa foromo e latelang:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Bakeng sa lihlahisoa tsa lipeipi tsa tšepe tsa PSL2 tse hlahlobiloeng kakhabone > 0.12%, k'habone e lekanang le CEllwe ka baloa ho sebelisoa foromo e ka tlase:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L X52 Mechanical Properties
Tensile Properties
Teko ea tensile e lekanya likarolo tse tharo tsa bohlokoa:fana ka matla, matla a tšepe, leelongation.
PSL1 X52 Thepa ea Tensile
PSL2 X52 Thepa ea Tensile
Hlokomela: Bonyane bo bolelele bo boletsoeng, Afe tla ba joalo ka ha ho khethoa ho sebelisoa equation e latelang:
Af= C × (Axc0.2/U0.9)
Cke 1940 bakeng sa lipalo tse sebelisang li-SI units le 625,000 bakeng sa lipalo tse sebelisang USC units;
Axc ke sebaka se sebetsang sa teko ea sekhahla, se hlahisoang ka limilimithara tse lisekoere (lisekoere-inch), ka tsela e latelang:
1) bakeng sa likotoana tsa teko ea li-circular cross-section, 130 mm2(0.20 in2) bakeng sa 12.7 mm (0.500 in.) le 8.9 mm (0.350 in.) likotoana tsa liteko tsa bophara;65 limilimithara2(0.10 in2) bakeng sa 6.4 mm (0.250 in.) likotoana tsa liteko tsa bophara;
2) bakeng sa likotoana tsa tlhahlobo ea likarolo tse felletseng, e nyane ea a) 485 mm2(0.75 in2) le b) sebaka se arohaneng sa karolo ea teko, T e nkiloeng ho sebelisoa bophara bo boletsoeng ka ntle le botenya ba lebota bo boletsoeng ba phala, e pota-potiloeng ho 10 mm e haufi.2(0.01 in2);
3) bakeng sa likotoana tsa teko ea hlobolisa, e nyane ea a) 485 mm2(0.75 in2) le b) sebaka sa sefapano sa karolo ea teko, se nkiloeng ho sebelisoa bophara bo boletsoeng ba sekhechana sa teko le botenya ba lebota bo boletsoeng ba phala, bo pota-potiloeng ho 10 mm e haufi.2(0.01 in2);
Uke matla a fokolang a boletsoeng, a hlahisoang ka megapascals (liponto ka lisenthimithara tse ling).
Liteko tse ling tsa Mechini
Lenaneo le latelang la teko le sebetsa hoMefuta ea lipeipi tsa SAW.Bakeng sa mefuta e meng ea liphaephe, sheba Tafole 17 le 18 ea API 5L.
Weld guide kobang teko;
Teko ea boima ba phala e entsoeng ka serame;
Tlhahlobo ea macro ea seam welded;
mme feela bakeng sa phala ea tšepe ea PSL2: Teko ea phello ea CVN le tlhahlobo ea DWT.
Teko ea Hydrostatic
Nako ea Teko
Mefuta eohle ea li-tubes tsa tšepe tse se nang moroallo le tse cheselitsoeng tse nang le D ≤ 457 mm (18 in.):nako ea teko ≥ 5s;
Peipi ea tšepe e cheselitsoeng D > 457 mm (18 in.):nako ea teko ≥ 10s.
Maqhubu a Teko
Pipe e 'ngoe le e' ngoe ea tšepe.
Likhatello tsa teko
Khatello ea teko ea hydrostatic P ea apeipi ea tšepe e se nang lethoe ka baloa ka ho sebelisa foromo.
P = 2St/D
Ske khatello ea maikutlo.boleng bo lekana le matla a fokolang a tlhahiso a fokolang a peresente ea pipe xa peresente, ho MPa (psi);
tke botenya ba lebota bo boletsoeng, bo hlahisoang ka limilimithara (lisenthimithara);
Dke bophara bo ka ntle bo boletsoeng, bo hlahisoang ka limilimithara (inchi).
Tlhahlobo e sa Senyeheng
Bakeng sa li-tubes tsa SAWmekhoa e 'meli,UT(tlhahlobo ea ultrasonic) kapaRT(tlhahlobo ea radiographic), hangata e sebelisoa.
ET(tlhahlobo ea motlakase) ha e sebetse ho li-tubes tsa SAW.
Li-welded seams liphaepheng tse cheselitsoeng tsa lihlopha ≥ L210/A le bophara ba ≥ 60.3 mm (2.375 ka) li tla hlahlojoa ka mokhoa o sa tsitsang bakeng sa botenya le bolelele bo feletseng (100 %) joalokaha ho boletsoe.
Tlhahlobo ea UT e sa senyeheng
Tlhahlobo ea RT e sa senyeheng
Cold Sizing le Cold Katoloso
Sekhahla se batang le katoloso e batang ke mekhoa e 'meli e tloaelehileng ea ts'ebetso e sebelisoang tlhahisong ea li-tubes tsa LSAW ho netefatsa hore li-tubes li fihlella boholo bo nepahetseng le thepa ea mochini.Mekhoa ena ka bobeli ke mekhoa e batang ea ho sebetsa, moo sebopeho le boholo ba tube li fetoloang mocheso oa kamore.
Karolelano ea boholo bakatoloso e batangli-tubes ha li na ho ba ka tlase ho 0.003 mme ha li na ho ba kholo ho feta 0.015.
Sekhahla sa boholo bae kgolohadipipe ea tšepe ha ea lokela ho ba kholo ho feta 0.015, ntle le maemong a latelang:
a) Ka mor'a moo, peipi e tloaeleha kapa ea tima 'me ea halefa;
b) Thepa eohle ea tšepe e boholo bo batang ka mor'a moo e kokobetsoa.
Hlalosa Kantle ho Diameter le Botenya ba Lebota
Litekanyetso tse emeng bakeng sa li-diameter tse boletsoeng ka ntle le botenya ba lebota bo boletsoeng ba phala ea tšepe li fanoaISO 4200leASME B36.10M.
Dimensional Tolerances
Ka kopo, tobetsa fonte e putsoa ka ho le letona ho sheba mamello ea boholo, litlhoko li thathamisitsoe hoAPI 5L Sehlopha sa Bbakeng sa lintlha.
Lisebelisoa tsa API 5L X52
Pipe ea tšepe ea API 5L X52 e sebelisoa haholo lits'ebetsong tse 'maloa tsa bohlokoa ka lebaka la thepa ea eona e ntle ea mochini le bokhoni ba ho ikamahanya le maemo a rarahaneng.
Lipalangoang tsa oli le khase: Ena ke e 'ngoe ea likopo tse atileng haholo tsa API 5L X52.Haholo-holo e sebelisoa bakeng sa lipeipi tsa lipalangoang tsa oli le khase tsa sebaka se selelele, haholo-holo ha ho e-na le khatello e phahameng ea ka hare.
Kaho le meaho: E ka sebelisoa ho aha meaho ea tšehetso bakeng sa marokho le meaho.E ka boela ea sebelisoa ha ho etsoa li-braces kapa mehaho e meng e jereng mojaro, haholo-holo moo ho hlokahalang li-span tse telele kapa matla a phahameng a ho jara.
Liphaephe tsa leoatle: Merero ea lipeipi tsa Subsea e na le tlhoko e khethehileng ea lipeipi tse sa jeng le tse matla haholo, 'me API 5L X52 e ea ipabola tabeng ena.E hanana le metsi a lewatle mme e boloka botshepehi le tshebetso ya phaepe, e etsa hore e be e loketseng bakeng sa ho hokela mehlodi ya oli le kgase ya mose ho mawatle.
Thepa ea rona e fapaneng
E tloaelehileng: API 5L;
PSL1: X52 kapa L360;
PSL2: X52N, X52Q, X52M kapa L360N, L360Q, L360M;
Mofuta oa Pipe: Pipe ea tšepe e cheselitsoeng ea Carbon;
Mokhoa oa Tlhahiso: LSAW, SAWL kapa DSAW;
Kantle bophara: 350 - 1500;
Botenya ba Lerako: 8 - 80mm;
Bolelele: Bolelele bo lekantsoeng kapa bolelele bo sa reroang;
Lits'ebetso tsa Pipe: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 le SCH160.
Boitsebiso: STD, XS, XXS;
Ho roala: Pente, varnish, 3LPE, FBE, 3LPP, HDPE, galvanized, epoxy zinc-rich, samente e boima, joalo-joalo.
Packing: Lesela le sa keneleng metsi, mokotla oa lepolanka, lebanta la tšepe kapa ho kopanya terata ea tšepe, mosireletsi oa ho qetela oa phala ea polasetiki kapa ea tšepe, joalo-joalo.
Lihlahisoa tse Bapisang: Li-bend, li-flanges, lisebelisoa tsa liphaephe, le lihlahisoa tse ling tse tšoanang li teng.
