Tebello ea 'Maraka oa Liphaephe tsa Tšepe oa Tšimoloho 2025: Liphetoho tsa Leano la ho Romella kantle ho naha le Moralo oa Theko oa Kotara ea Pele ea 2026

Haeba o batla ho tseba tlhahisoleseding e batsi, jwalo ka khotheishene, dihlahiswa, ditharollo, jj., pkhirisoikopanye le rona inthaneteng.

Tšitoe 2025 - Ntlafatso ea Bohlokoa ea Indasteri le Lintlafatso tsa Leano

Ha selemo sa 2025 se fela, 'maraka oa lefats'e oa liphaephe tsa tšepe tse se nang sekoli o tobane le phetoho e kholo ka maano a macha a laesense ea ho romela kantle ho naha a lebelletsoeng ho tsoa ho balaoli ba Chaena. Bahlahlobisisi ba 'maraka ba bontša hore melaoana ena, e ka 'nang ea qala ho sebetsa mathoasong a 2026, e tla hloka litokomane tse ntlafalitsoeng bakeng sa liphaephe tsa tšepe ea carbon, liphaephe tsa tšepe ea alloy, le liphaephe tsa tšepe e se nang sekoli tse romelloang kantle ho naha. Leano lena le ikemiselitse ho etsa hore taolo ea boleng e be boemong bo tšoanang ho pholletsa le naha.API 5L, ASTM A106, ASTM A335 P11/P22, le mekhahlelo ea lihlahisoa tsa ASTM A312 TP304/TP316L ha li ntse li sebetsana le matšoenyeho a khoebo ea machaba.

Matla a 'Maraka a Tšitoe le Mekhoa ea ho Qetela Selemo

Maemo a hajwale a mmaraka a bontsha botsitso kamora diphetoho tsa Pudungwana, ka lenane la diphaephe tse se nang moedi le fokotsehang ka hoo e ka bang 8.2% ditsing tse kgolo tsa tlhahiso tsa China. Lekala la diphaephe tsa oli le kgase le boloka tlhokeho e tsitsitseng ya diphaephe tsa mohala le dihlahiswa tsa OCTG, ha diporojeke tsa tlhahiso ya motlakase di ntse di tswela pele ho fumana diphaephe tsa boiler tse nang le kgatello e hodimo le diphaephe tsa phapanyetsano ya mocheso. Leha ho le jwalo, batsamaisi ba theko ba tlaleha dinako tse atolositsweng tsa ho etella pele tsa matsatsi a 50-65 bakeng sa diphaephe tse se nang moedi tse kgolo le diphaephe tse ikgethang tsa tshepe ya alloy ha difeme di phethela diodara tse teng pele ho diphetoho tse ka bang teng tsa leano.

Tšusumetso e Lebelloang ea Leano ho Liketane tsa Phepelo tsa Lefatše

Litsebi tsa indasteri li bolela esale pele hore tsamaiso e tlang ea laesense ea ho romela thepa kantle ho naha e tla ama libaka tsena haholo-holo:

Litlhoko tsa Setifikeiti: Netefatso e ntlafalitsoeng bakeng sa Litifikeiti tsa Teko ea Mill (MTC) le litokomane tsa ho latela thepa

Maemo a ho Latela Melao: Ho latela ka tieo litlhaloso tsa API, ASTM, le EN 10204 3.1/3.2 bakeng sa lipeipi tsa mechini tse se nang mohele le lipeipi tsa sebopeho

Moralo oa Thepa: Litieho tse ka bang teng tsa litokomane tse amang kemiso ea lijana le likepe tse ngata bakeng sa lipeipi tsa tšepe ea khabone le lipeipi tsa tšepe tse nepahetseng

Ponelopele ea 'Maraka oa Kotara ea Pele ea 2026 le Litlhahiso tsa Maano

Kotara ea pele ea 2026 e hlahisa liphephetso le menyetla ea theko ea lipeipi tsa tšepe:

Ho Tsitsa ha Litheko: Litšenyehelo tsa thepa e tala bakeng sa liphaephe tsa tšepe tse se nang mohele li lebelletsoe ho lula li le ka har'a 3-5% ea maemo a hona joale ho fihlela ka Hlakubele 2026

Khōlo ea Tlhokeho: Merero ea meralo ea motheo Asia Boroa-bochabela le Bochabela bo Hare e tla tsamaisa liodara tsa liphaephe tsa tšepe tse bōpehileng joaloka tse bōpehileng joaloka tšepe le li-alloy tse sa senyeheng ke mafome

Liketso tsa Leano:

SireletsehileASTM A106 Kereiti BleAPI 5L X52/Lisebelisoa tsa X60 pele ho la 25 Tšitoe

Kopa diprothokholo tse ntjhafaditsweng tsa setifikeiti ho bafepedi ba diphaephe tsa tshepe e sa ruseng le diphaephe tse pedi

Nahana ka ho reka esale pele bakeng sa litlhoko tsa kotara ea pele ea 2026 tsa lipeipi tse se nang sekoli tse huloang ka serame le lipeipi tsa silindara ea hydraulic.

Liphetoho tsa Ketane ea Phepelo ea Lefatše ka Bophara

Bareki ba machaba ba kenya tshebetsong maano a fapaneng a ho tsamaya maemong a fetohang:

Phapang: Ho fumana liphaephe tse se nang moedi ho tsoa litsing tse ling tsa tlhahiso ha ka nako e ts'oanang ho boloka bafepedi ba liphaephe tsa tšepe ea carbon tsa Chaena bakeng sa limaraka tse tloaelehileng tse theko e tlaase

Tokisetso ea Litokomane: Pokello ea pele ea Litifikeiti tsa Tšimoloho (CO) le Litifikeiti tsa Boleng (CQ) bakeng sa thomello ea liphaephe tsa oli le khase

Tsamaiso ea Thepa: Ho aha li-stock tsa polokeho tsa matsatsi a 30-45 tsaASTM A53 Kereiti Ble lihlahisoa tsa API 5CT bakeng sa merero ea bohlokoa ea tlhokomelo

Theknoloji le Tsoelo-pele ea Boleng

Ho sa tsotellehe ho se tsitse ha leano, boqapi ba tlhahiso bo ntse bo tswela pele:

Mekhoa ea tlhahlobo e iketsang joale e fihlella ho fumanoa ha liphoso tsa 99.2% liphaepheng tsa tšepe tse se nang sekoli bakeng sa lits'ebetso tsa bohlokoa

Mekhoa e ntlafalitsoeng ea kalafo ea mocheso e ntlafatsa litšobotsi tsa ts'ebetso eaASTM A335 P91le li-alloy tsa ASTM A213 T92

Ho latela dijithale ho fana ka nalane e felletseng ea thepa bakeng sa lihlahisoa tsa OCTG le liphaephe tsa mohala

Litharollo tsa Rona bakeng sa ho Fetola Maemo a 'Maraka

Re fana ka tšehetso e felletseng bakeng sa theko ea lipeipi tsa tšepe har'a melaoana e ntseng e fetoha:

Tsamaiso ea Leano: Tataiso e ntlafalitsoeng mabapi le litlhoko tsa laesense ea ho romela kantle ho naha bakeng sa lipeipi tse se nang sekoli le liphaephe tse welletsoeng

Netefatso ea Boleng: Ho tiisetsoa ho latela maemo a machaba bakeng sa liphaephe tsa tšepe ea khabone, liphaephe tsa tšepe ea alloy, le liphaephe tsa tšepe e sa hloekang

Tsamaiso ea Ketane ea Phepelo: Morero o tšepahalang oa thepa bakeng sa liphaephe tse bophara bo boholo le liphaephe tsa tšepe tsa meaho

Litšebeletso tsa Litokomane: Liphutheloana tse felletseng tsa setifikeiti bakeng sa lipeipi tsa boiler, lipeipi tsa phapanyetsano ea mocheso, le lipeipi tsa mechini

Liketso tse Potlakileng bakeng sa Bareki

Ho netefatsa phepelo e sa khaotseng ea liphaephe tsa tšepe tse se nang sekoli nakong ea phetoho ea leano:

Rera lipuisano bakeng saASTM A106, API 5L, le litlhoko tsa sehlahisoa sa ASTM A312

Romela dikopo tsa ditokomane esale pele bakeng sa disetifikeiti tsa MTC, CO, le CQ

Hlahloba litlhoko tsa projeke ea Q1 2026 bakeng sa liphaephe tse nepahetseng, liphaephe tsa phetisetso, le liphaephe tse hanelang mafome

Qetello: Moralo o Hlophisitsoeng bakeng sa Phetoho ea 'Maraka

Ho kenngwa tshebetsong ha laesense ya ho romela thepa kantle ho naha ho lebelletsweng ho emela ditlhoko tsa ho latela melao le menyetla ya netefatso ya boleng bakeng sa theko ya diphaephe tsa tshepe. Ka ho theha mekgwa e totobetseng ya ditokomane le ho matlafatsa dikamano tsa bafepedi hona jwale, bareki ba matjhaba ba ka laola phetoho ya leano ka katleho ha ba ntse ba fumana phepelo e tshepahalang ya diphaephe tsa tshepe tse se nang moedi, diphaephe tsa tshepe ya khabone, le diphaephe tse ikgethang tsa alloy bakeng sa diporojeke tsa 2026.

Ikopanye le sehlopha sa rona sa thekiso sa machabeng bakeng sa tlhahlobo e ikhethileng ea hore na lintlafatso tsena li ama litlhoko tsa hau tse ikhethileng tsa phaephe e se nang sekoli, phaephe e welletsoeng, le lihlahisoa tsa tube. Re fana ka lintlafatso tsa 'maraka, tlhaloso ea leano, le nts'etsopele ea leano la theko bakeng sa liphaephe tsa oli le khase, litsamaiso tsa tlhahiso ea motlakase le lits'ebetso tsa indasteri.

ASTM A106 Gr.BPhaephe ea tšepe e se nang moedi ke phaephe e se nang moedi ea tšepe ea khabone e mocheso o phahameng ho American Society for Testing and Materials standard, e atisang ho sebelisoa bakeng sa lipalangoang tsa metsi tlas'a mocheso o phahameng le tikoloho ea khatello e phahameng. Lisebelisoa tse tsamaellanang Chaena li bua haholo ka maemo a naha a Chaena (GB) le maemo a indasteri, 'me li hloka ho bapisoa ho tsoa maikutlong a mararo: sebopeho sa lik'hemik'hale, thepa ea mechini le maemo a ts'ebeliso.

Hangata ho na le dikgetho tse pedi bakeng sa papiso ya thepa ya lapeng:

Thepa ea pele e tsamaellanang: tšepe ea 20 (GB/T 8163)
Tšepe ea 20 ke tšepe e tloaelehileng ea sebopeho sa khabone, e leng thepa e tloaelehileng tekanyetsong ea GB/T8163 'me e loketse ho tsamaisoa ha mokelikeli ka kakaretso. Papiso ea metsoako ea lik'hemik'hale: ASTM A106 Gr.B e na le dikahare tsa khabone (C) tsa 0.17-0.24%, le manganese (Mn) ea 0.29-1.06%; Tšepe ea 20 e na le dikahare tsa khabone tsa 0.17-0.24%, le dikahare tsa manganese tsa 0.35-0.65%. Dikahare tsa khabone tsa tse peli di batla di le haufi, empa dikahare tsa manganese tsa ASTMA106 Gr.Be na le moeli o phahameng ka ho fetisisa le ts'ebetso e ntle ea mocheso o phahameng.
Papiso ea thepa ea mechini: ASTM A106 Gr.B e na le matla a ho thaepa a >415MPa le matla a ho thaepa a >240MPa; tšepe ea 20 e na le matla a ho thaepa a >410MPa le matla a ho thaepa a >245MPa. Lintlha lia tšoana empa mocheso o sebetsang o fapane.
Lithibelo tsa tšebeliso: Tšepe ea 20 e loketse maemo a ts'ebetso a nang le mocheso oa moralo o ka tlase ho 350℃ le khatello e tlase. Haeba e sebelisoa bakeng sa mocheso o phahameng le khatello e phahameng (joalo ka liphaephe tsa boiler), thepa e tloaelehileng e lokela ho khethoa.
Thepa ea bobeli e tsamaellanang: 20G (GB 5310)
20G ke thepa ea tšepe e se nang sekoli bakeng sa liboiler tse nang le khatello e phahameng, e leng ea maemo a GB 5310 'me e loketse litsamaiso tsa mouoane tse nang le mocheso o phahameng le khatello e phahameng.
Papiso ea metsoako ea lik'hemik'hale:20Ge na le dikahare tsa khabone tsa 0.17-0.24%, dikahare tsa manganese tsa 0.35-0.65%, le taolo e thata ya dikahare tsa phosphorus le sebabole, e leng se tsamaellanang le matshwao a ASTMA106 Gr.B.
Papiso ea thepa ea mechini: Matla a ho thapolla a 20G ke ≥410MPa, 'me matla a eona a tlhahiso ke >245MPa, e batlang e tšoana le ASTM A106 Gr.B, 'me mocheso o lumelletsoeng oa ts'ebetso o fihla ho 450℃.
Maemo a tshebediso: 20G e sebediswa hangata diphaepheng tsa boiler tsa dimela tsa motlakase tse futhumatsang le disebediswa tsa dikhemikhale tse nang le kgatello e phahameng, mme e ka nka sebaka sa ASTM A106 Gr.B bakeng sa maemo a tshwanang a tshebetso.
Mehato ea ho nka sebaka 1. Liphapang tse tloaelehileng: ASTM A106 Gr.B e hloka teko ea ho thaepa e tšekaletseng le teko ea ho batalatsa, ha GB/T 8163 e hloka teko ea ho thaepa e telele feela. Ha ho nkeloa sebaka, hoa hlokahala ho netefatsa hore na lintho tsa teko li fihlela litlhoko.
2. Litlhoko tsa kalafo ea mocheso: ASTM A106 Gr.B hangata e tlisoa boemong ba ho phuthoa ka mocheso, 20G e hloka kalafo e tloaelehileng, 'me ts'ebetso e hloka ho fetoloa haeba e nkeloa sebaka.
3. Litlhoko tsa setifikeiti: Haeba projeke ea kantle ho naha e totobatsa thepa e tloaelehileng ea Amerika, hoa hlokahala ho netefatsa le moreki hore na sebaka sa naha se nkeloa sebaka sea amoheloa. Merero e meng e ka hloka tlhahlobo e eketsehileng ea motho oa boraro.
Nyeoe ea ts'ebeliso e sebetsang
Khamphani ea peterole e rekile liphaephe tsa ASTM A106 Gr.B bakeng sa ho tsamaisa oli mochesong o phahameng. Ka lebaka la potoloho e telele ea ho tlisa, e ile ea fetohela ho thepa ea 20G. Kamora liteko tsa motho oa boraro, ho tiea ha tšusumetso (-20℃ KV2234J) le matla a mocheso o phahameng (matla a tlhahiso>180MPa ho 450℃) tsa 20G li ile tsa fihlela litlhoko tsa moralo, 'me projeke ea amoheloa.
Kakaretso
ASTM A106 Gr.B e ka tsamaellana le tšepe tse 20 (maemo a kakaretso a tshebetso) kapa 20G (maemo a tshebetso a mocheso o phahameng le kgatello e phahameng) Chaena. Ha ho nkelwa sebaka, ho hlokahala ho kopanya maemo a itseng a mocheso, kgatello le diteko. Ho kgothaletswa ho etelletsa pele thepa ya 20G, eo sebopeho sa yona sa dikhemikhale le tshebetso ya yona di leng haufi le ditlhoko tsa maemo a US mme di na le mefuta e mengata ya ditshebediso.

Liphaephe tsa Tšepe tse se nang Seamless tsa ASTM A106 tsa Boleng bo Holimo

Nako ea poso: Tshitwe-17-2025

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