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Pipe ea Tšepe ea LSAW ea API 5L X60 (L415): Bokhoni ba ho Hlahisa le Litlhaloso tsa Sehlahisoa Setšoantšo se Hlahisitsoeng
  • Pipe ea Tšepe ea LSAW ea API 5L X60 (L415): Bokhoni ba ho Hlahisa le Litlhaloso tsa Sehlahisoa
  • Pipe ea Tšepe ea LSAW ea API 5L X60 (L415): Bokhoni ba ho Hlahisa le Litlhaloso tsa Sehlahisoa
  • Pipe ea Tšepe ea LSAW ea API 5L X60 (L415): Bokhoni ba ho Hlahisa le Litlhaloso tsa Sehlahisoa

Pipe ea Tšepe ea LSAW ea API 5L X60 (L415): Bokhoni ba ho Hlahisa le Litlhaloso tsa Sehlahisoa

Tlhaloso e Khutšoanyane:

Womic Steel e fana ka phaephe ea tšepe ea API 5L X60 (L415) LSAW ea boleng bo holimo bakeng sa phetiso ea khase ea tlhaho e nang le khatello e phahameng, mela ea likutu tsa oli e tala, le liphaephe tsa naha e tšelang. X60 e fana ka matla a fokolang a chai a 415 MPa (60,200 psi), e nolofalletsang phokotso e kholo ea botenya ba lebota ha e bapisoa le X52 - ho fihlela ho 15% e tšesaane bakeng sa tekanyo e tšoanang ea khatello. Ts'ebetso ea LSAW e kenyelletsa mekhoa ea ho tjheseletsa ea JCOE, UOE, le rolled plate, kaofela e fana ka seam e otlolohileng ka botšepehi bo phahameng ba weld, bolelele bo bokhutšoanyane ba weld, le botsitso bo botle ba litekanyo. Bakeng sa bophara bo boholo haholo kapa botenya bo boima ba lebota (ho fihlela ho 50.8mm bakeng sa JCOE/UOE, ho fihlela ho 70mm bakeng sa rolled plate), Womic e sebelisa motsoako oa plate rolling le multi-pass submarine arc welding. Bophara ba kantle ho tloha ho 219mm ho isa ho 1,600mm (8″ – 63″), botenya ba lebota ho tloha ho 6.0mm ho isa ho 70mm (ho latela ts'ebetso), bolelele ho fihlela ho 24m. Setifikeiti sa ho sila, teko ea metsi, teko ea 100% ea ultrasonic kapa ea mekhahlelo, lipheletso tse betlotsoeng, le sekoahelo se thibelang mafome (3LPE, FBE, 3LPP) lia fumaneha. E loketse mela ea li-trunk tsa khase tse nang le khatello e phahameng (ho fihlela ho 15 MPa), liphaephe tsa leoatleng, tšebeletso ea sour (PSL2 e nang le HIC/SSC), le lits'ebetso tsa arctic tse nang le liteko tsa tšusumetso ea mocheso o tlase ho fihlela ho -46°C.

Boholo ba Pipe ea Tšepe ea LSAW:Bophara ba Kantle: 219mm – 1,600mm (8″ – 63″), Botenya ba Lebota: 6.0mm – 70.0mm (JCOE/UOE max 50.8mm, poleiti e phutholohileng max 70mm), Bolelele: 6m – 18m e tloaelehileng, bolelele bo ikhethileng ho fihlela ho 24m

Pipe ea Tšepe ea LSAW e Tloaelehileng le ea Sehlopha:API 5L X60 PSL1 / PSL2 (e boetse e khethiloe e le L415 ho latela ISO 3183); e fumaneha hape ka tšebeletso ea sour (e lekoa ke HIC/SSC); e lekanang le DNV-OS-F101 L415

Tšebeliso ea Pipe ea Tšepe ea LSAW:Mehala ea li-trunk tsa khase ea tlhaho e nang le khatello e phahameng ea sebaka se selelele (10-15 MPa), phetiso ea oli e tala, liphaephe tsa naha tse tšelang lithaba, liphaephe tsa ho romela khase kantle ho naha, liphaephe tsa tšebeletso e bolila (tikoloho ea H₂S), liphaephe tsa seteishene sa compressor ea khase, liphaephe tsa arctic (ho tiea ha mocheso o tlase), liphaephe tsa ente ea metsi bakeng sa ho ntlafatsa ho hlaphoheloa ha oli.

Tšepe ea Womic e fanang ka litheko tsa boleng bo holimo le tse hlōlisanang tsa phaephe ea tšepe ea API 5L X60 LSAW, phaephe e otlolohileng e kenelletseng ka har'a arc, phaephe ea mohala oa UOE, phaephe ea khabone e boima ea lebota, phaephe ea mohala oa kutu ea khase ea JCOE. Setifikeiti sa mochini oa ho sila EN 10204 3.1/3.2, teko ea metsi, UT/PAUT, pheletso e beveled, sekoahelo sa 3PE/FBE/3LPP sea fumaneha. Phepelo e tobileng ea fektheri bakeng sa liphaephe tsa EPC le merero ea meaho lefatšeng ka bophara.


Litlhaloso tsa Sehlahisoa

Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

1. Tšepe ea Womic: Bokhoni ba Tlhahiso le Matla a Khamphani

Womic Steel Group e sebetsa mela e mengata ea tlhahiso ea LSAW e akaretsang mekhoa e meraro ea mantlha ea ho etsa hammoho le bokhoni bo ikhethang ba mabota a boima. Tlhahiso ea X60 e hloka taolo e tiileng ea li-microalloying le li-rolling parameters ka lebaka la matla a eona a phahameng.

● Mohala oa JCOE:Bakeng sa bophara ba 406mm – 1,422mm (16″–56″), botenya ba lebota bo fihlang ho 50.8mm. JCO e bopjwang mohato ka mohato ka katoloso ya mechini. Bokgoni bo phahameng, ho teteana ho hotle. E loketse haholo bakeng sa ditshebediso tse ngata tsa mela ya kutu ya lewatleng.

●Mola oa UOE:Bakeng sa bophara ba 508mm – 1,220mm (20″–48″), botenya ba lebota bo fihlang ho 40mm. Ho etsa U ebe ho etsa O ka katoloso ea haeteroliki. Ho nepahala ho hoholo ka tekanyo (± 0.2% OD), ho khethoa bakeng sa liphaephe tsa metsi a tebileng le tšebeletso e bolila. UOE ke ts'ebetso e khethiloeng bakeng sa mela ea lithupa tsa khase ea X60.

●Poleiti e Menoang (Seam e le 'Ngoe):Bakeng sa bophara ba 600mm – 1,600mm (24″–63″), botenya ba lebota ho tloha ho 25mm ho isa ho 70mm. Poleiti e le 'ngoe e phuthoa ka har'a silindara e nang le weld e le 'ngoe e telele. E loketse botenya ba lebota bo boima bo fetang bokhoni ba JCOE/UOE.

●Poleiti e Menoang (Seam e Habeli):Bakeng sa botenya ba lebota > 50.8mm ho fihlela ho 80mm, ho sebediswa dipoleiti tse pedi tse tjheselleditsweng ka bolelele. Hangata di sebediswa bakeng sa diphaephe tse nang le kgatello e phahameng le ditshebediso tsa arctic.

Bokgoni bohle ba LSAW bo feta ditone tse 300,000 ka selemo, ka tlhahiso e inehetseng ya X60 e fetang ditone tse 80,000 ka selemo. Womic Steel e na le API 5L Monogram, ISO 9001, CE PED, mme e hlahlojwa kgafetsa ke ABS, DNV, TÜV, le BV. Rekoto ya lefatshe ka bophara dinaheng tse fetang 80 ka diphaephe tsa X60 tse fetang 1,500 km tse fanweng.

Ho tenyetseha ha Tlhahiso:

●JCOE: 406–1,422mm OD × 6.0–50.8mm Boima × ≤ 18m

●UOE: 508–1,220mm OD × 6.0–40.0mm Boima × ≤ 24m (katoloso ea mechini e ntlafatsa ho potoloha ho fihlela ho ± 0.2%)

●Poleiti e phutholohileng (sehokelo se le seng): 600–1,600mm OD × 25–70mm Boima × ≤ 12m (moeli oa boima ho fihlela ho lithane tse 25 ka lenonyello)

●Poleiti e phutholohileng (sehokelo se habeli): 1,000–2,000mm OD × 25–80mm Boima × ≤ 12m

Liphaephe tsohle li ka fanoa ka PWHT (kalafo ea mocheso ea kamora ho weld) bakeng sa tšebeletso ea lebota le teteaneng kapa bolila. Teko ea tšusumetso ea mocheso o tlase e fumaneha ho fihlela ho -46°C le -60°C bakeng sa merero ea arctic.

2. API 5L X60: Sebopeho sa thepa le litšobotsi tsa ts'ebetso

API 5L X60 (eo hape e kgethilweng e le L415 ho ISO 3183) ke mofuta wa phaephe ya mohala o matla o sebediswang bakeng sa phetiso ya kgase e phahameng ya kgatello e hole. Matla a fokolang a tlhahiso ya 415 MPa (60,200 psi) le matla a ho kgomarela a 520 MPa (75,400 psi) a dumella phokotso e kgolo ya botenya ba lebota ha e bapiswa le maemo a tlase. X60 e hlahiswa ka ho sebedisa ho pitikisa le ho kopanya ka maekrofono a laolwang ka Nb, V, le Ti ho fihlella sebopeho sa koro e ntle.

Sebopeho sa Lik'hemik'hale (Tlhahlobo ea Lesela, % e phahameng ka boima):

Karolo API 5L X60 PSL1 (max %) API 5L X60 PSL2 (max %)
C 0.22 (e tloaelehileng 0.10-0.12) 0.12 (e tloaelehileng)
Mn 1.60 1.60
P 0.025 0.025
S 0.015 0.015
Si 0.45 0.45
V 0.10 0.10
Nb 0.05 0.05
Ti 0.04 0.04
CEV Ha ea hlalosoa ≤ 0.43 (e tloaelehileng ≤ 0.40)

Bakeng sa PSL2, tekanyo ea khabone (CEV) e laoloa ka thata. Hangata Womic e boloka CEV ≤ 0.40% bakeng sa lits'ebetso tsa tšebeletso ea sour. Microalloying e nang le Nb (0.03-0.05%) e fana ka ntlafatso ea lijo-thollo le ho matlafatsa pula.

Thepa ea Mekaniki (Mocheso oa Kamore):

Thepa API 5L X60 PSL1 API 5L X60 PSL2
Matla a Tekanyo (metsotso) 415 MPa (60,200 psi) 415–565 MPa
Matla a ho Tenyetseha (metsotso) 520 MPa (75,400 psi) 520–760 MPa
Ho lelefatsa (metsotso) 20% (bakeng sa gauge ea 50mm) 20%
Karolelano ea Tlhahiso (max) Ha ea hlalosoa 0.93
Bothata (boholo) Ha ea hlalosoa 90 HRB
Matla a Tšusumetso (metsotso) Ha ho hlokahale 27 J @ 0°C (boikhethelo -20°C, -40°C, -46°C)

Papiso le X52 le X65:

Sehlopha Tekanyo ea MPa MPa e tenyetsehang Karolelano ea Tlhahiso Tšebeliso e Tloaelehileng
X52 360 460 ≤ 0.90 Khatello e mahareng-e phahameng, lebōpong la leoatle
X60 415 520 ≤ 0.93 Methapo ea kutu ea khase e nang le khatello e phahameng
X65 450 535 ≤ 0.93 Khatello e phahameng haholo, metsi a tebileng

3. Ho Latela Maemo le Litekanyetso tsa Tekanyo

Ntho Tlhaloso
E tloaelehileng API 5L PSL1 / PSL2 (hape le ISO 3183 L415)
Mekhoa ea Tlhahiso JCOE, UOE, poleiti e phutholohileng (sehokelo se le seng/se habeli)
Sebaka sa Bophara ba Kantle 219mm – 1,600mm (8″ – 63″)
Botenya ba Lebota JCOE/UOE: 6.0mm – 50.8mm; Poleiti e phutholohileng: 25mm – 70mm (ho fihlela ho 80mm ka mokhoa o ikhethileng)
Bolelele ba Nako E tloaelehileng: 6m, 12m, 18m; E atolositsoeng: ho fihlela ho 24m (JCOE/UOE) kapa 12m (lebota le boima la poleiti e phutholohileng)
Qetello ea ho Qetela Qetello e se nang letho (PE), Qetello e Beveled (BE) ka API 5L (30° bevel, 1.6mm root face)
Qetello ea Bokaholimo E hlobotse, e tlotsitsoe ka oli, 3LPE, 3LPP, FBE, Epoxy ea mashala, Epoxy ea metsi
Mamello OD: ±0.5% kapa ±3.2mm (ho sa tsotelehe hore na e ka tlase ho eng); Boima: -0% / +15%; Bolelele: +50mm / -0mm

4. Litekanyo le Litlhaloso tse Fumanehang – Pipe ea Tšepe ea API 5L X60 LSAW (Boholo bo Tloaelehileng bo Khethiloeng)

OD (mm) Dikgetho tsa WT (mm) Tshebetso Boima bo ka bang teng (kg/m2) Bolelele bo Tloaelehileng Tšebeliso e Tloaelehileng
273 6.4, 8.0, 10.0, 12.5 JCOE 42.1 – 80.1 12m Methapo ea khase e ka lehlakoreng
324 6.4, 8.0, 10.0, 12.5, 14.0 JCOE 50.2 – 107.1 12m / 18m Pokello ea khase
406 8.0, 10.0, 12.5, 14.0, 16.0, 19.0 JCOE/UOE 78.5 – 181.4 12m / 18m Methapo ea kutu
508 8.0, 10.0, 12.5, 14.0, 16.0, 19.0, 22.0 UOE 98.6 – 263.8 12m / 18m / 24m Khase e nang le khatello e phahameng
610 10.0, 12.5, 14.0, 16.0, 19.0, 22.0, 25.4 UOE 148.0 – 366.2 12m / 18m / 24m Methapo e meholo ea lithōle tsa khase
711 12.5, 14.0, 16.0, 19.0, 22.0, 25.4, 28.0 JCOE/UOE 215.3 – 471.7 12m / 18m Khase e tšelang naha
813 12.5, 14.0, 16.0, 19.0, 22.0, 25.4, 30.0, 32.0 JCOE 246.7 – 616.2 12m / 18m Khase e nang le molumo o phahameng
914 14.0, 16.0, 19.0, 22.0, 25.4, 30.0, 35.0, 38.0 JCOE 310.8 – 820.9 12m / 18m Ho romela kantle ho naha kantle ho naha
1,016 16.0, 19.0, 22.0, 25.4, 30.0, 35.0, 40.0, 45.0 JCOE/E phutholohileng 394.6 – 1,078.2 12m Khase ea metsi a tebileng
1,220 19.0, 22.0, 25.4, 30.0, 35.0, 40.0, 45.0, 50.0 E phutholohile (e le 'ngoe) 563.0 – 1,304.2 12m Liphaephe tsa Arctic
1,422 25.4, 30.0, 35.0, 40.0, 45.0, 50.0, 55.0, 60.0 E phutholohile (e le 'ngoe) 875.1 – 2,016.8 12m Khatello e phahameng haholo
1,600 30.0, 40.0, 50.0, 60.0, 70.0 E phutholohile (e habeli) 1,162 – 2,640 10m / 12m Morero o ikhethileng

Liphaephe tse boima tsa lebota (≥ 32mm) li hloka PWHT ho fokotsa khatello e setseng. Liphaephe tsa X60 bakeng sa tšebeletso e bolila li hloka ho tiea ≤ 85 HRB (sepheo) le tlhahlobo ea HIC.

5. Maemo a Tloaelehileng le Mekhahlelo – Phaephe ea Mohala ea LSAW le Phaephe ea Sebopeho

E tloaelehileng Likereiti tsa Tšepe Tšebeliso e Tloaelehileng Mokhoa oa ho Theha
API 5L PSL1/PSL2 X60, X65, X70 Phetiso ea oli/khase JCOE/UOE/E phutholohileng
API 5L PSL2 (e bolila) X60, X65 Tšebeletso e bolila (H₂S) UOE + PWHT
ISO 3183 L415, L450, L485 Merero ea machaba JCOE/UOE
DNV-OS-F101 L415, L450 Liphaephe tsa ka tlas'a leoatle UOE
EN 10217-1 S275JR, S355JR Liphaephe tsa khatello JCOE
EN 10219 S355JRH, S355J2H Likarolo tsa sebopeho JCOE/E phutholohileng
ASTM A671 CC60, CC65 Mocheso o tlase E phutholohile
NORSOK M-120 X60 Sethala sa kantle ho naha UOE

Kakaretso ea tšebeliso:Mehala ea li-trunk tsa khase ea tlhaho e nang le khatello e phahameng ea maeto a malelele, liphaephe tsa kantle ho naha tsa khase, phetiso ea khase ea tšebeletso e bolila, liphaephe tsa arctic, liphaephe tsa seteishene sa compressor, mela ea ente ea metsi.

6. Mekhoa ea Tlhahiso – LSAW (JCOE / UOE / Poleiti e Menoang) bakeng sa Phaephe ea Tšepe ea X60

Womic Steel e kgetha tshebetso e loketseng ho latela bophara, botenya ba lebota, le ditlhoko tsa thepa ya mechini. X60 e hloka taolo e matla ya ho kenya mocheso nakong ya ho tjheseletsa SAW ho qoba ho nolofatsa sebaka se amehileng ke mocheso.

Ts'ebetso ea JCOE (406–1,422mm OD, Boima ba 6.0–50.8mm):

● Ho sila ka bohale ba poleiti (X kapa J bevel) ka ho nepahala ± 0.5mm

● Ho kobeha pele ho nako (ho kobeha) ha mathoko ho fihlela ho radius ea botenya ba poleiti ea 1.5x

● Ho theha sebopeho sa J (ho tobetsa ka ho phunya) – karolo ea pele ea 1/3 ea selikalikoe

● Ho bopa sebopeho sa C (letoto la die) – karolo ea bobeli ea 1/3 ea selikalikoe

● Ho bopa sebopeho sa O (silindara ea ho qetela) – ho koala moroko

● Ho tjheseletsa lithapo (ho tjheseletsa lithapo ka 300mm ka 'ngoe ho latela moalo)

● SAW ea ka Hare (e nang le terata e le 'ngoe kapa e mengata, mocheso o laoloang ho ≤ 3.0 kJ/mm bakeng sa X60)

● Ho thiba mokokotlo (moea o silang kapa ho o thiba) bakeng sa ho kenella ka botlalo

● SAW ea Kantle (maemo a mangata a ho fetisa mabota a teteaneng, mocheso oa ho fetisetsana ≤ 250°C)

● Katoloso ea mechine (keketseho ea OD ea 1–1.5%, e ntlafatsa ho potoloha ho fihlela ho ± 0.3%)

● E loketse boholo ba lits'ebetso tsa terata ea trunk lebōpong la leoatle

Ts'ebetso ea UOE (508–1,220mm OD, Boima ba 6.0–40mm):

● Ho tobetsa ka U ho etsa poleiti hore e be sebopeho sa U (matla a lithane tse 2000-4000)

● O-press e koala sebopeho sa cylindrical (matla a lithane tse 3000-6000)

● Katoloso (ea mechine) ho isa bophara ba ho qetela le ho chitja (likarolo tse 48-72 tse ntseng li hola)

● Ho tjheseletsa ho ts'oanang le JCOE empa ho na le phallo e phahameng

● E kgethwa bakeng sa liphaephe tsa metsi a tebileng le tšebeletso e bolila ka lebaka la ho chitja ho phahameng (± 0.2% OD) le khatello e tlase e setseng.

● UOE ke mokhoa o ratoang bakeng sa mela ea li-trunk tsa khase tsa X60 ka lebaka la thepa ea mechini e tsitsitseng.

Poleiti e Menoang (Seam se le Seng) bakeng sa Lebota le Boima (600–1,600mm OD, Boima ba 25–70mm):

● Poleiti e le 'ngoe ea tšepe e phuthoa ka har'a silindara ho sebelisoa mochini o kobehang oa lirolo tse 4

● Ho phutholla mohato ka mohato: ho phutholla pele, ho phutholla ka mokhoa o sa tobang, ho phutholla ho qeta (hangata ho feta 15-20)

● Sehokelo sa longitudinal se tjheselletswa ka SAW (bonyane dipase tse 3: motso, tlatsa, sekwahelo)

● Ha ho katoloso ea mechine (ho potoloha ho fihlelleha ka ho nepahala ha ho phutholoha, ho tloaelehileng ± 0.5%)

● E loketse liphaephe tse teteaneng tsa lebota moo lisebelisoa tsa JCOE/UOE li lekanyelitsoeng

● E hloka PWHT (e imollang khatello ea maikutlo) bakeng sa botenya ba lebota > 32mm

Poleiti e Menoang (Seam e Habeli) bakeng sa Lebota le Boima Haholo / Bophara bo Boholo Haholo (1,000–2,000mm OD, Boima ba 25–80mm):

Lipoleiti tse peli li phuthoa ka halofo ea lisilindara 'me li kopanngoa hammoho le lithupa tse peli tse telele

Hangata e sebelisoa bakeng sa liphaephe tse nang le khatello e phahameng, li-penstock le liphaephe tsa arctic

Li-weld tsohle li hlahlobiloe ka 100% UT le RT

Kalafo ea Mocheso Kamora ho Welded (PWHT):Bakeng sa botenya ba lebota > 32mm kapa bakeng sa tšebeletso e bolila (H₂S), Womic e fana ka kalafo e fokotsang khatello ea maikutlo ka ontong e ka tlase ho koloi (e fihlang bolelele ba 12m) kapa sebakeng seo ho sebelisoa ho futhumatsa ka induction. Mocheso oa ho kolobisa 580-620°C ka hora e le 'ngoe ka botenya ba 25mm. Bakeng sa X60, ho hlokahala taolo e hlokolosi ho qoba ho chesa haholo. Ho thatafala kamora PWHT ho laoloa ho ≤ 90 HRB (kapa ≤ 85 HRB bakeng sa tšebeletso e bolila).

Bokhoni ba Mocheso o Tlase:Bakeng sa merero ea arctic, Womic e fana ka X60 ka teko ea tšusumetso ea Charpy ho -46°C (bonyane 27J, 80-120J e tloaelehileng) le DWTT ka sebaka sa ho kuta ≥ 85% ho -20°C. Ho pitikisa poleiti ea motheo ho laoloang ho netefatsa sebopeho sa ferrite-pearlite se nang le lithollo tse ntle.

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7. Mekhoa ea Taolo ea Boleng le Liteko bakeng sa Pipe ea Tšepe ea API 5L X60 LSAW

Sethaleng Mokhoa oa Tlhahlobo Morero Mokhoa o Sebetsang
Poleiti Tlhahlobo ea Lik'hemik'hale (OES) Netefatsa meeli ea sebopeho sa X60 Kaofela
Poleiti Ultrasonic (Tlhahlobo ea Lamination) Lemoha mefokolo ea ka hare Kaofela
Poleiti Tensile (e telele le e tshekaletseng) Netefatso ea mechini Kaofela
Poleiti Tekanyo ea boholo ba lijo-thollo (ASTM E112) Netefatsa hore lijo-thollo tse tšesaane (ASTM 10 kapa tse tšesaane) X60 PSL2
Nakong ea ho theha Tekanyo (bophara, ovality) Netefatsa hore ho tšoana Kaofela
Sehokelo sa ho weld UT e Iketsang ka Bo eona ea 100% (kapa PAUT e nang le TOFD) Lemoha khaello ea ho kopana, slag, le porosity Kaofela
Sehokelo sa ho weld RT (sebaka sa 10-100% ho latela litlhaloso) Netefatso ea boleng ba ho weld Kaofela
Sehokelo sa ho weld MPI (menoana ea maoto le HAZ) Mapetso a holim'a metsi Kaofela
Sehokelo sa ho weld Tsela ea ho thatafala (ho tjheseletsa, HAZ, BM) Netefatso ea tšebeletso ea boea PSL2 / bolila
Phaephe e felileng Teko ea Hydrostatic (ka API 5L) Botšepehi ba khatello (85-100% SMYS) Kaofela
Phaephe e felileng Charpy V-Notch (PSL2) Ho tiea ha mocheso o tlase PSL2 feela
Phaephe e felileng Bothata (HRB/HV10) – lintlha tse 3 Ho latela melao ea litšebeletso tse mpe PSL2 / bolila
Phaephe e felileng Kobeho e Tataisitsoeng / Ho Batalatsa Bokgoni ba ho sebetsa Kaofela
Phaephe e felileng Pono le ho tšoaea Boemo ba bokaholimo, ho latelwa ha bona Kaofela
Phaephe e felileng DWTT (ha ho hlokahale) Taolo ea ho ata ha ho robeha Arctic/bolila
Phaephe e felileng CTOD (ha ho hlokahale) Ho thatafala ha ho robeha ha letlalo bakeng sa mose ho maoatle Metsi a tebileng

Khetho bakeng sa tšebeletso ea bohlokoa:

● HIC ka NACE TM0284 (Tharollo A kapa B, 96h) – bakeng sa tšebeletso e bolila

● SSC ho latela NACE TM0177 (Mokhoa A, 720h) – bakeng sa tikoloho ea H₂S

● Tšusumetso e tlase mochesong ho -20°C, -40°C, -46°C, kapa -60°C

● DWTT ho -20°C kapa tlase bakeng sa moralo oa ho emisa ho robeha ha lehare

● 'Mapa o felletseng oa ho thatafala ha karolo e tšekaletseng

● Teko ea CTOD (Crack Tip Opening Displacement) bakeng sa liphaephe tse nyolohang lebōpong la leoatle le tsa arctic

Teko ea ultrasound ea 'mele oohle (eseng seam feela) bakeng sa liphaephe tse nang le boleng bo holimo

8. Likopo tsa mantlha - Pipe ea tšepe ea API 5L X60 LSAW

●Mehala ea likutu tsa khase ea tlhaho e nang le khatello e phahameng ea sebaka se selelele– Phetiso ea khase ho pholletsa le naha ka khatello e fihlang ho 15 MPa (2,200 psi)

● Liphaephe tsa ho romela khase kantle ho naha– Ho tloha lipolatefomong tsa mose ho maoatle ho ea litsing tsa kamohelo ea kantle ho maoatle (ho khethoa ts'ebetso ea UOE)

● Phetisetso ea khase ea tšebeletso e bolila– Masimo a khase a nang le H₂S (PSL2 e nang le teko ea HIC/SSC, ho sebelisoa PWHT)

● Liphaephe tsa Arctic le permafrost– Litlhoko tsa tšusumetso mochesong o tlase ho fihlela ho -46°C

● Liphaephe tsa seteishene sa compressor ea khase– Liphaephe tsa seteishene tse nang le khatello e phahameng tse nang le lipheletso tse otlolohileng kapa tse phuthetsoeng

● Methapo ea likutu tsa oli e tala– Phetiso ea oli e ngata e hlokang matla a mangata

● Methapo ea ho enta ka metsi bakeng sa ho ntlafatsa ho hlaphoheloa ha oli– Metsi a nang le kgatello e phahameng ho fihlela ho 35 MPa (poleiti e boima e phutholohileng leboteng)

● Li-riser tsa metsi a tebileng– Li-risers tse matla tse hlokang tlhahlobo ea CTOD le moralo oa mokhathala (ts'ebetso ea UOE)

9. Pakete le Thomello – Pipe ea Tšepe ea API 5L X60 LSAW

Sephutheloana:

● Bophara bo bonyenyane (≤ 24″): Liphutheloana tse nang le mahlakore a tšeletseng, tse tlamiloeng ka tšepe tse sireletsang ka mahlakore (lithapo tse 3-5 ka sephutheloana)

● Bophara bo boholo (> 24″): Liphaephe tse arohaneng, tse arotsoeng ka dunnage ea lehong le li-rabara (bonyane lintlha tse 2 tsa dunnage ka phaephe)

● Likoahelo tsa ho qetela: Likoahelo tsa polasetiki kapa tsa tšepe tse boima (lipheletso tse betliloeng li sirelelitsoe khahlanong le ho thula le lithōle)

● Tšireletso ea ho koahela: Bakeng sa liphaephe tse koahetsoeng ka 3LPE/FBE, masale a foam kapa maqephe a rabara pakeng tsa mealo

● Sephutheloana se khethehileng bakeng sa thepa ea arctic: Mekotla e meng e sireletsang mocheso le e thibelang ho koloba ha moea

Mekhoa ea ho romella:

● Mekepe e robehileng ka boholo ba > lithane tse 500 kapa bophara bo boholo

● Lijana tsa 20ft/40ft bakeng sa bophara bo bonyenyane (tse kopantsoeng)

● Liraka tse bataletseng kapa lijana tse bulehileng bakeng sa bolelele bo bolelele (ho fihlela ho 24m)

● Thepa ea terene bakeng sa libaka tse koetsoeng (seporo sa China-Europe, se fetang Kazakhstan, Russia)

Litokomane li kenyelelitsoe:

● Setifikeiti sa Teko ea Mill (EN 10204 Mofuta oa 3.1 kapa 3.2)

● Tlaleho ea Teko ea Hydrostatic

● Tlaleho ea Teko ea Ultrasonic (100% ea ho tjheseletsa + 'mele o sa khetheheng)

● Tlaleho ea Teko ea X-ray (haeba e hlalositsoe)

● Tlaleho ea Tlhahlobo ea Litekanyo

● Setifikeiti sa ho Koahela (haeba se koahetsoe)

● Tlaleho ea PMI

● Lethathamo la ho Paka, Invoice ea Khoebo, Motsamaisi e Moholo, Bili ea ho Romella

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10. Melemo le Lipotso Tse Botsoang Khafetsa ka Tšepe ea Womic - Pipe ea Tšepe ea API 5L X60 LSAW

Hobaneng Womic Steel e le ea X60 LSAW?

●Mekhoa e meraro e tlatsanang (JCOE, UOE, poleiti e phutholohileng) e koahelang bophara ba 219–1,600mm

●Ts'ebetso ea UOE e fana ka ± 0.2% OD roundness - e bohlokoa bakeng sa ho tjheseletsa masimo ka boiketsetso ha mela ea kutu ea khase

●Bokgoni bo teteaneng ba lebota ho fihlela ho 70mm (seam se le seng) kapa 80mm (seam se habeli)

●Bokgoni ba sebōpi sa PWHT: bolelele ba 12m × bophara ba 3m

●Teko ea tšusumetso ea mocheso o tlase e theohela ho -46°C le -60°C (sehlopha sa arctic X60)

●Tšebeletso e bolila e netefalitsoe ka tlhahlobo ea HIC/SSC (NACE TM0284, TM0177)

●Tlhahlobo ea API 5L Monogram + CE + ea motho oa boraro (SGS, BV, TÜV, DNV, ABS, LR)

●Phetoho e potlakileng: Matsatsi a 35-50 bakeng sa X60 PSL1 e tloaelehileng, matsatsi a 50-70 bakeng sa tšebeletso ea sour ea PSL2

●Bolelele bo bolelele ho fihlela ho 24m bo fokotsa ho welds ha sebaka sa ho tjheseletsa ka 30-40%

●Liphaephe tsa X60 tse fetang 1,500 km li fanoe lefatšeng ka bophara 'me ha ho na ho hloleha ho hang ha li ntse li sebetsa.

Lipotso Tse Botsoang Khafetsa:

P: Ke hobane'ng ha u khetha X60 ho feta X52 bakeng sa phaephe ea khase?
K: X60 e fana ka matla a ho hlahisa chai a 15% a phahameng (415 MPa khahlanong le 360 ​​MPa), e leng se lumellang mabota a masesaane (hangata phokotso ea 10-15%) bakeng sa tekanyo e tšoanang ea khatello. Sena se fokotsa boima ba thepa le litšenyehelo, haholo-holo bakeng sa liphaephe tse hole. Leha ho le joalo, X60 e hloka mekhoa e thata ea ho tjheseletsa 'me e na le kutloelo-bohloko haholoanyane ho petsoheng ha haeterojene. Bakeng sa khatello e ka tlase ho 10 MPa, X52 hangata e theko e tlase. Bakeng sa khatello e ka holimo ho 12 MPa, X60 kapa X65 ea khothaletsoa.

P: Phapang ke efe pakeng tsa X60 PSL1 le PSL2?
K: PSL2 e na le meeli e thata ea lik'hemik'hale (haholo-holo C, P, S e tlase), teko ea Charpy e tlamang (27J @ 0°C kapa tlase), boima bo phahameng ka ho fetisisa 90 HRB, 'me e hloka 100% UT ea weld seam (PSL1 e hloka feela spot UT). Bakeng sa mela ea kutu ea khase e sebetsang libakeng tse nang le baahi kapa mocheso o tlase, PSL2 hangata e hlalosoa.

P: Na o ka fana ka setifikeiti sa tšebeletso ea sour ho X60?
K: E. Re fana ka X60 PSL2 ka teko ea HIC (NACE TM0284) le teko ea SSC (NACE TM0177). Kamohelo e tloaelehileng: CLR ≤ 5%, CTR ≤ 1.5%, CSR ≤ 0.5% bakeng sa HIC. PWHT e sebelisoa bakeng sa tšebeletso eohle ea bolila X60 ho sa tsotelehe botenya ba lebota ho netefatsa hore e thatafala ≤ 85 HRB. Re fane ka tšebeletso ea bolila X60 mererong ea Bochabela bo Hare le Boroa-bochabela ba Asia.

P: Ke liteko life tsa tšusumetso tse tlase tseo u ka li etsang bakeng sa liphaephe tsa arctic tsa X60?
K: Re ka leka ho fihlela ho -60°C. Liphaephe tse tloaelehileng tsa khase ea arctic li hloka tšusumetso ea Charpy ea bonyane 27J ho -46°C. Hangata Womic e fihlella 80-120J ho -46°C. Bakeng sa taolo ea ho ata ha ho robeha, re boetse re etsa DWTT ho -20°C ka bonyane sebaka sa ho kuta sa 85%. Ka kopo hlalosa mocheso le matla a hau a tlhahlobo a hlokahalang.

P: Ke mokhoa ofe o molemohali bakeng sa liphaephe tsa X60 tse lebōpong la leoatle – JCOE kapa UOE?
K: UOE e ratoa haholo bakeng sa ho potoloha ho betere (± 0.2% khahlano le ± 0.5% bakeng sa JCOE) le khatello e tlase ea masala. Sena se bohlokoa bakeng sa ho mamella khatello ea hydrostatic ea kantle (ho putlama) le bakeng sa ho welding e tšepahalang ea sebaka sa ho tjheseletsa likepeng tse behiloeng. UOE e boetse e fana ka ts'ebetso e ntle ea mokhathala bakeng sa li-dynamic riser. Bakeng sa metsi a sa tebang (< 100m) a lebōpong haufi le lebōpo, JCOE ea amoheleha.

P: Nako e tloaelehileng ea ho etella pele phaephe ea X60 LSAW ke efe?
A: Nako e tloaelehileng ea ho reka thepa bakeng sa X60 PSL1: matsatsi a 35-50. Bakeng sa X60 PSL2 ka tlhahlobo ea tšebeletso e bolila le PWHT: matsatsi a 50-70. Liodara tse potlakileng (matsatsi a 25-35) lia khoneha bakeng sa bongata bo bonyenyane (< lithane tse 1,000) haeba poleiti e le teng. Bakeng sa liodara tse kholo haholo (> lithane tse 20,000), nako ea ho reka thepa e ka atoloha ho fihlela matsatsi a 90.

P: Na le fana ka tlhahlobo ea motho oa boraro bakeng sa liphaephe tsa X60 LSAW?
K: E. Re sebetsa le SGS, BV, TÜV, DNV, ABS, le LR. Tlhahlobo e ka etsoa fekthering ea rona nakong ea tlhahiso, e bonoang ke moemeli oa moreki. Re fana ka litifikeiti tsa EN 10204 Type 3.2 ha li kopuoa.

Tšupiso ea Morero - Mohala oa Thupa ea Khase ea Tlhaho ea Boroa-bochabela ho Asia

Naha:Sebaka sa moeli oa Myanmar - Thailand (phaephe ea khase ho tloha Koung ea Martaban ho ea Thailand)
Maemo le Kereiti:API 5L X60 PSL2 (tšebeletso e bolila, ka tlhahlobo ea HIC le SSC)
Litekanyo le Bongata:

●OD 813mm (32″) × Boima 19.0mm – 36,000 metres (hoo e ka bang lithane tse 12,600) e entsoeng ka ts'ebetso ea UOE

●OD 813mm (32″) × Boima 22.0mm – 8,000 metres (hoo e ka bang lithane tse 3,200) e entsoeng ka mokhoa oa UOE (lebota le teteaneng bakeng sa litsela/literene tse tšelang)

●OD 610mm (24″) × Boima 15.9mm – limithara tse 12,000 (hoo e ka bang lithane tse 2,400) e entsoeng ka mokhoa oa JCOE (mohala oa lekala ho ea setsing sa motlakase)
Kakaretso:Limithara tse 56,000 (56 km), hoo e ka bang lithane tse 18,200

Litlhaloso:Seaparo sa kantle sa 3LPE (botebo bohle ba 3.0mm) ho ya ka ISO 21809, dipheletso tse betlilweng 30° / 1.6mm sefahleho sa motso se nang le mosireletsi wa kahare wa bevel, teko ya hydrotest ho 15.0 MPa (kgatello ya moralo 11.5 MPa). Tshusumetso ya Charpy e tlamang ho 0°C le -20°C (bonyane 27J, e fihlelletswe 90-140J). HIC ho ya ka NACE TM0284 Tharollo A, 96h – kamohelo: CLR ≤ 5%, CTR ≤ 1.5%, CSR ≤ 0.5%. SSC ho ya ka NACE TM0177 Mokhoa A, 720h – ha ho a dumellwa ho petsoha. PWHT e sebedisitswe bakeng sa diphaephe tsohle tse nang le WT ≥ 19.0mm. 100% UT e iketsahalletsang ka TOFD bakeng sa weld seam. Teko ya radiographic (RT) bakeng sa disampole tsa ho tšoaneleha ha weld ya tshimo.

Kopo:Mohala oa khase ea tlhaho o tšelang meeli o tsamaisang khase ho tloha masimong a lebōpong la leoatle Koung ea Martakan (Myanmar) ho ea setsing sa ho amohela khase lebōpong la leoatle Thailand, ebe o fetela seteisheneng sa motlakase se fehloang ka khase. Karolo ea lebōpong la leoatle ea lik'hilomithara tse 56 e tšela sebaka sa meru e lithaba ka liphetoho tse kholo (ho fihlela ho 400m), hammoho le libaka tse tšeletseng tse kholo tsa ho tšela litsela le libaka tse tharo tsa ho tšela literene.

Liphephetso tsa Tekheniki le Litharollo:

●Ho latela melao ea ts'ebeletso e bolila bakeng sa khase e nang le H₂S e fokolang– Khase ea tlhaho e na le 5-10 ppm H₂S mochesong oa ts'ebetso oa 55°C. Womic e entse liteko tsa HIC le SSC libakeng tse 12 tsa tlhahiso. Kaofela li fetile ka CLR 0%, CTR 0%, CSR 0% bakeng sa HIC. Teko ea SSC (NACE TM0177, 720h) ha ea ka ea bontša ho petsoha ha bokaholimo. Re fihletse sena ka ho boloka CEV ≤ 0.38%, ho sebelisa PWHT bakeng sa liphaephe tsohle tsa 19.0mm le 22.0mm WT (leha API 5L e sa hloke PWHT ka tlase ho 25.4mm), le ho laola ho kenya mocheso oa ho tjheseletsa ho ≤ 2.8 kJ/mm. Mohlahlobi oa moreki (BV) o bone liteko tsohle mme a netefatsa liphetho.

●Sebaka sa lithaba se nang le ho kobeha ho hoholo ha bolelele ba bolelele– Tsela ea liphaephe e kenyelletsa matsoapo a fihlang ho likhato tse 25. Ho kobeha ha liphaephe tsa X60 ho thata ho feta maemo a tlase ka lebaka la matla a phahameng. Liphaephe tsa Womic li fane ka li-joints tse nang le manonyello a malelele a le mong (18m ho fapana le 12m e tloaelehileng) ho fokotsa palo ea matsoapo a tšimo ka 33%. Re boetse re fane ka geometry e khethehileng ea bevel (bevel e kopaneng) e ileng ea lumella ho se lumellane hantle ha ±3° nakong ea ho tjheseletsa tšimo ntle le ho beha boleng ba weld kotsing. Ovality e ile ea tšoareloa ho ≤ 0.3% (ts'ebetso ea UOE) ho netefatsa ho lumellana hantle matsoapong.

●Botšepehi ba ho koahela 3LPE tikolohong ea meru– Mongobo o phahameng (80-95% selemo ho pota) le mobu o kgopameng wa laterite di ne di baka dikotsi tsa ho roala. Womic e ile ya sebedisa seaparo sa 3LPE ka lera le leng la sehlabelo la 0.3mm. Re entse tlhahlobo ya matsatsi a phomolo ya 100% ho 7kV (standard 5kV) mme ra lekanya matla a ho roala ho 25°C le 70°C (230 N/cm ho 25°C, 160 N/cm ho 70°C). Ho roala ho fetile teko ya ho kgaohana ha cathodic (≤ 8mm radius ho 65°C, matsatsi a 28).

●Thepa ea ho tšela meeli e nang le mathata a lekhetho– Liphaephe li ile tsa romelloa ho tloha Shanghai ho ea koung ea Yangon (Myanmar), eaba li tsamaisoa ka literaka lik'hilomithara tse 280 ho ea phaepheng e hasaneng haufi le moeli oa Thailand. Tsela e feta libakeng tse peli tsa tlhahlobo ea lekhetho. Womic e lokisitse litokomane tse ikhethileng tsa naha (Setifikeiti sa Tšimoloho se tsoa ho AK, ASEAN ka bophara). Re boetse re hlophisitse libonto tsa nakoana tsa kantle ho naha ho qoba tieho ea tefo ea lekhetho. Lithane tsohle tse 18,200 li ile tsa lefa lekhetho nakong ea matsatsi a 5.

●Taolo e matla ea ho kenya mocheso oa weld bakeng sa X60– HAZ ea X60 e na le kutloelo-bohloko ho mocheso o feteletseng o kenang, e leng se ka bakang ho nolofala le ho fokotsa ho tiea. Womic e sebelisitse sistimi ea SAW ea terata tse peli e nang le tlhokomelo ea mocheso ho weld e 'ngoe le e 'ngoe e fetang. Karolelano ea mocheso bakeng sa weld ea ka hare: 2.2 kJ/mm, weld ea ka ntle: 2.5 kJ/mm (ka tlase ho moeli oa 3.5 kJ/mm). Mocheso oa interpass o ne o bolokiloe ka tlase ho 200°C. Bothata ba weld ea sefapano kamora PWHT: tšepe ea motheo 78-82 HRB, weld 82-86 HRB, HAZ 80-84 HRB – tsohle li ka har'a moeli oa 90 HRB.

● Sephetho:Phaephe ea khase e ile ea qala ho sebetsa kotara ea boraro ea 2024. Liphaephe tsohle tsa X60 PSL2 tsa bolelele ba lik'hilomithara tse 56 li fetile tlhahlobo ea motho oa boraro ke BV Myanmar. Moreki o tlalehile hore ha ho na liphoso tsa ho tjheseletsa nakong ea ho tjheseletsa ka bophara ba tšimo (li-weld tse fetang 4,600 tsa bophahamo). Phaephe e se e ntse e sebetsa ho 10.5-11.0 MPa ka likhoeli tse 12 ntle le ho lutla kapa ho hloleha ha ho roala. Womic Steel e fumane khau ea "Mofani oa Selemo" ho tsoa ho rakonteraka oa Thai EPC bakeng sa ho tlisa ka nako (lithane tsohle tse 18,200 li ile tsa tlisoa matsatsing a 68) le ts'ebetso ea boleng.

Ikopanye le rona:
Webosaete: www.womicsteel.com
Imeile: sales@womicsteel.com

Mohala / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568

Womic Steel – Molekane oa hau ea tšepahalang bakeng sa liphaephe tsa API 5L X60 LSAW bakeng sa mela ea li-trunk tsa khase ea tlhaho e nang le khatello e phahameng, liphaephe tsa leoatleng, tšebeletso ea sour, le lits'ebetso tsa arctic lefatšeng ka bophara.

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