Tsav los ntawm ntau yam zoo xws li kev lees paub lub zog hauv lub tebchaws, txhim kho lub cev kav dej, kev tsim kho roj, thiab kev kho dua tshiab ntawm cov kav dej laus, cov roj thiab cov pa xa hluav taws xob steel kav, uas yog cov khoom siv tseem ceeb rau kev thauj mus los ntev - roj thiab roj, kev faib roj hauv nroog, thiab cov kav dej hauv qab dej hiav txwv, tab tom ntsib txoj kev loj hlob ntawm kev lag luam tshiab, kev loj hlob zuj zus tuaj. loj- nplai, siab- kawg, ntsuab, thiab domestically tsim technologies.
Cov roj thiab cov pa xa hluav taws xob steel kav feem ntau siv siab -cov kav dej zoo li lawv cov khoom siv hauv paus, nrog cov ntaub ntawv tseem ceeb uas npog cov khoom siv qib siab xws li L245, L360, L415, L450, X65, X70, thiab X80. Lawv tau muab faib ua peb hom: ncaj seam submerged arc welded kav, kauv submerged arc welded kav, thiab seamless kis tau tus mob steel kav. Cov khoom lag luam muaj cov khoom zoo xws li lub zog siab, siab tawv, siab ua haujlwm siab, qis{10}}kub tsis kam, geological subsidence kuj, thiab corrosion kuj. Lawv tuaj yeem hloov mus rau qhov nyuaj geological thiab huab cua huab cua ib puag ncig xws li cov tiaj tiaj, roob, permafrost, ntug dej hiav txwv ntsev, thiab dej hiav txwv tob, ua rau lawv tsis tuaj yeem hloov cov khoom tseem ceeb rau onshore ntev - cov kav dej nyob deb, cov kav xa hluav taws xob hauv nroog, cov roj av sab nrauv thiab cov roj av, thiab cov roj cia thiab cov kav dej ntau lawm.
Los ntawm kev xav ntawm kev ua lag luam, lub teb chaws roj thiab roj kav kav dej txuas ntxiv txuas ntxiv, nrog rau lub teb chaws - theem zog xws li sab hnub poob - mus rau - East Gas Pipeline, Tuam Tshoj -Russia East Route Gas Pipeline, thiab Sichuan - mus rau - Kev loj hlob ncaj qha rau kev loj hlob ntawm Pipeline loj-inch, siab-qib steel kav. Nyob rau tib lub sijhawm, kev kho dua tshiab thiab kho dua tshiab ntawm cov kav dej hauv nroog laus tau tab tom ua thoob plaws hauv lub tebchaws, nrog rau cov haujlwm txuas mus ntxiv rau kev sib txuas hauv nroog, cov chaw ua si roj, thiab lub nroog- theem kev sib txuas, khaws kev txiav txim rau me me - thiab nruab nrab - txoj kab uas hla} qib siab corrosion{12}. Tsis tas li ntawd, cov chaw tawm tshiab xws li offshore cua fais fab - txhawb nqa submarine roj thiab roj pipelines, kev tsim cov roj av hauv av, thiab hydrogen zog xa cov kav xa hluav taws xob tau txhim kho sai, qhib txoj hauv kev loj hlob tshiab rau kev lag luam thiab tsav tsheb ib xyoos -ntawm- xyoo nce hauv kev thov rau siab {{17}{1}} qib thiab corrosion siab -siab-cov kav hlau tshwj xeeb.
Cov txheej txheem ntau lawm thiab cov qauv zoo tau hloov kho tas li, tsav kev lag luam mus rau qhov tseeb thiab kev txawj ntse. Tam sim no, kev lag luam dav siv cov txheej txheem siab heev xws li precision dov, micro-alloying smelting, tswj dov thiab txias, online ultrasonic flaw detection, thiab tag nrho automated submerged arc vuam kom nruj tswj cov yeeb nkab phab ntsa thickness, roundness, straightness, thiab weld zoo. Los ntawm cov txheej txheem tswj kev ua tau zoo suav nrog cov khoom siv raw re- kev tshuaj xyuas, kev tshuaj xyuas cov cuab yeej cuab tam, kev sim hydrostatic, thiab tiv thaiv- cov txheej txheem corrosion, kev lag luam ua kom ruaj khov siab tsis kam, tawg tsis kam, thiab qaug zog tsis kam ntawm cov kav hlau steel, ua tau raws li qhov yuav tsum tau ua kom ntev - nrug, siab - siab, thiab tag nrho peb kev nyab xeeb {{7}. High-kawg sab nrauv thiab sab hauv los tiv thaiv-cov thev naus laus zis xws li 3PE, TPEP, thiab epoxy hmoov tau siv dav, ua kom lub neej ntev ntawm cov kav dej thiab txo cov nqi kho tom qab.
Nyob rau hauv txoj cai theem, lub teb chaws txuas ntxiv txhawb kev sib txuas ntawm cov kav xa hluav taws xob sib txuas thiab kev tsim cov roj thiab roj, kev tsim khoom, kev cia khoom, thiab kev muag khoom, muab ntau cov qauv thiab cov kev qhia tshwj xeeb los txhim kho cov kav xa dej kom muaj kev nyab xeeb thiab kev tiv thaiv corrosion. Qhov no yuam kev lag luam kom tshem tawm qhov tsawg- kawg thiab cov khoom siv tsis tu ncua thiab coj cov tuam txhab hloov pauv mus rau qib siab - qib steel, loj- kab kab, siab- corrosion- ua haujlwm, thiab cov khoom lag luam customized. Raws li ob qho - carbon ntsiab lus, kev tsim ntsuab tau dhau los ua tus qauv kev lag luam. Cov tuam txhab lag luam tab tom txhim kho lawv cov kab ntau lawm rau kev tshuaj tsuag ib puag ncig, plua plav- tshem tawm xeb dawb, thiab lub zog-txuag dov kom txo qis kev siv hluav taws xob thiab cov pa phem, thiab ua tiav ib txhij ua tiav hauv qis- carbon manufacturing thiab kho kom zoo dua.
Cov txheej txheem ntawm kev hloov pauv hauv tsev txuas ntxiv nrawm. Qib siab -qib, tuab- phab ntsa, thiab submarine- cov kav dej tshwj xeeb, yav tas los vam khom rau kev xa khoom, tam sim no tau loj heev- tsim tawm hauv tebchaws. Cov khoom no ua tau raws li cov qauv kev ua tau zoo thoob ntiaj teb thiab, ua tsaug rau lawv cov nqi siab -kev ua tau zoo, kev xa khoom luv luv, thiab cov kev pabcuam hauv zos yooj yim, tsis yog tsuas yog muab tag nrho rau cov haujlwm tseem ceeb hauv lub zog, tab sis kuj tau xa tawm ntau rau cov lag luam txawv teb chaws xws li Central Asia, Southeast Asia, thiab Middle East, tsis tu ncua ua rau lawv cov kev lag luam thoob ntiaj teb.
Saib tom ntej, nrog rau kev nthuav dav ntxiv ntawm lub teb chaws cov roj thiab cov kav dej kav dej hauv lub tebchaws, hauv - qhov tob ntawm kev txhim kho cov roj hauv nroog, thiab kev loj hlob sai ntawm - hiav txwv roj thiab roj thiab hydrogen lub zog xa mus rau cov kav dej, kev ua lag luam rau cov roj thiab cov roj xa hluav taws xob steel kav yuav tuav tau ntev - kev loj hlob ruaj khov. Kev lag luam kev lag luam tseem yuav nce peev hauv kev tshawb fawb thiab kev tsim cov ntaub ntawv tshiab thiab cov txheej txheem, txhim kho cov qauv khoom, thiab ntxiv dag zog tiv thaiv -corrosion thev naus laus zis thiab kev tsim khoom ntse los muab cov khoom lag luam steel lav rau lub teb chaws kev ruaj ntseg hluav taws xob, kev sib txuas ntawm cov kav dej, thiab kev siv cov tswv yim huv huv los ntawm kev ua haujlwm siab - zoo, txhim khu kev qha, thiab ntev - kav kav dej.
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