Nyob rau theem loj ntawm kev lag luam steel thoob ntiaj teb, cov qauv steel zoo li cov thawj tswj hwm, ntsuas qhov zoo thiab cov khoom tshwj xeeb. Cov qauv hlau nyob hauv ntau lub teb chaws thiab cheeb tsam sib txawv, ib yam li cov suab paj nruag sib txawv, txhua tus ua suab paj nruag tshwj xeeb. Rau cov tuam txhab koom nrog hauv kev lag luam steel thoob ntiaj teb, kev ua tiav cov ntaub ntawv qib kev sib piv ntawm cov qauv no yog tus yuam sij rau qhib qhov rooj rau kev lag luam zoo. Nws tuaj yeem tsis tsuas yog xyuas kom cov hlau ua tau raws li qhov xav tau, tab sis kuj zam ntau yam kev tsis sib haum xeeb los ntawm kev nkag siab yuam kev ntawm cov qauv hauv kev muag khoom, thiab txo cov kev pheej hmoo ntawm kev lag luam. Niaj hnub no, peb yuav tsom mus rau Lavxias tus qauv steel thiab Suav tus qauv steel, sib sib zog nqus cov ntaub ntawv qib sib piv ntawm lawv, thiab tshawb nrhiav qhov tsis paub.
Txhais lus Suav tus qauv steel khoom qib
Tuam Tshoj tus txheej txheem steel zoo li lub tsev zoo nkauj, nruj thiab ua haujlwm zoo. Nyob rau hauv cov txheej txheem no, cov pa roj carbon monoxide yog sawv cev los ntawm cov qib xws li Q195, Q215, Q235, thiab Q275. "Q" sawv cev rau lub zog tawm los, thiab tus lej yog tus nqi ntawm cov khoom muaj zog hauv megapascals. Noj Q235 ua piv txwv, nws muaj cov ntsiab lus ntawm cov pa roj carbon monoxide, kev ua haujlwm zoo, kev sib koom ua ke lub zog, plasticity thiab vuam kev ua tau zoo, thiab yog siv dav hauv kev tsim kho thiab kev tsim vaj tsev, xws li tsev cog thav ntawv, high-voltage transmission towers, thiab lwm yam.
Low-alloy high-strength steel kuj ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw, xws li Q345, Q390 thiab lwm qib. Q345 steel muaj cov khoom siv zoo heev, cov khoom siv vuam, ua haujlwm kub thiab txias thiab tiv thaiv corrosion. C, D thiab E qib Q345 steel muaj qhov zoo ntawm qhov kub thiab txias thiab feem ntau siv rau hauv cov khoom siv hluav taws xob siab xws li cov nkoj, boilers thiab cov hlab ntsha siab. Nws cov qib zoo nyob ntawm A txog E. Raws li cov ntsiab lus impurity txo qis, qhov cuam tshuam toughness nce, thiab nws tuaj yeem hloov mus rau qhov chaw siv nruj dua.
Kev ntsuam xyuas ntawm cov khoom siv hauv Lavxias tus qauv steel qib
Russia tus txheej txheem steel yog nyob rau hauv GOST tus qauv, zoo li ib tug tshwj xeeb puzzle nrog nws tus kheej tsim logic. Nyob rau hauv nws cov carbon structural steel series, steel qib xws li CT3 yog ntau dua. Hom hlau no muaj cov ntsiab lus ntawm cov pa roj carbon monoxide thiab tau siv dav hauv kev tsim khoom, kev tsim kho thiab lwm yam kev lag luam, xws li kev tsim khoom ntawm qee qhov me me, thiab kev tsim cov kab teeb thiab kab hauv cov vaj tsev zoo tib yam.
Nyob rau hauv cov nqe lus ntawm low-alloy high-strength steel, qib xws li 09G2C ua tau zoo heev. Nws muaj qhov tsim nyog piv ntawm cov ntsiab lus alloy, lub zog siab thiab kev ua haujlwm zoo vuam, thiab feem ntau yog siv los tsim cov khoom loj xws li txuas hniav thiab nkoj. Hauv kev tsim choj, nws tuaj yeem tiv taus cov khoom loj thiab kev sim ntawm ib puag ncig ntuj kom ntseeg tau tias kev ruaj ntseg ntawm tus choj. Nyob rau hauv Russia cov roj thiab roj pipeline nteg tej yaam num, steel uas ua tau raws li Lavxias teb sab qauv feem ntau yuav pom. Nrog zoo corrosion kuj thiab siab zog, lawv hloov mus rau hnyav geological thiab climatic tej yam kev mob thiab ua kom muaj kev ruaj ntseg ntawm lub zog tsheb thauj mus los. Piv nrog rau Suav cov qauv, Lavxias tus qauv steels muaj qhov sib txawv ntawm cov kev cai thiab kev ua tau zoo ntawm qee yam ntsiab lus, thiab qhov sib txawv no kuj ua rau lawv tus kheej cov yam ntxwv hauv cov ntawv thov sib txawv.
Kev sib piv cov ntsiab lus ntawm cov khoom steel qib ntawm Tuam Tshoj thiab Russia
Txhawm rau kom muaj kev nkag siab ntau ntxiv ntawm cov khoom siv qib sib piv kev sib raug zoo ntawm Lavxias tus qauv hlau thiab Suav tus qauv hlau, cov hauv qab no yog daim ntawv sib piv ntawm cov hlau sib xws:
Siv cov raj xa dej ua piv txwv. Nyob rau hauv Sino-Lavxias teb sab kev koom tes lub zog pipeline project, yog hais tias sab Lavxias teb sab siv K48 steel, sab Suav teb siv tau L360 steel es tsis txhob. Ob leeg muaj kev ua yeeb yam zoo sib xws hauv lub zog thiab lub zog, thiab tuaj yeem ua tau raws li qhov yuav tsum tau muaj ntawm cov kav dej kom tiv taus lub zog sab hauv thiab ib puag ncig sab nraud. Nyob rau hauv kev tsim kho, thaum Lavxias teb sab kev tsim kho tej yaam num siv C345 steel, Tuam Tshoj tus Q345 steel kuj ua tau ib txoj hauj lwm zoo nrog cov khoom zoo sib xws thiab zoo weldability los xyuas kom meej stability ntawm lub tsev qauv. Qhov kev sib piv ntawm cov khoom siv qib no yog qhov tseem ceeb hauv kev lag luam thiab engineering. Nws tuaj yeem pab cov tuam txhab kom haum raws li cov kev xav tau thaum yuav khoom thiab siv cov hlau, tsim nyog xaiv cov hlau, txo cov nqi, txhawb kev txhim kho ntawm Sino-Lavxias teb sab steel kev lag luam, thiab muab kev txhawb zog rau kev ua tiav ntawm ntau yam haujlwm engineering.
Xaiv Jindalai qhib tshooj tshiab hauv kev koom tes steel
Nyob rau hauv lub ntiaj teb loj ntawm Sino-Lavxias teb sab kev lag luam steel, Jindalai Steel Company zoo li lub hnub qub ci ci, ci ntsa iab. Peb ib txwm ua raws li qhov tsis tu ncua nrhiav kev zoo. Los ntawm cov khoom siv raw khoom mus rau kev tsim khoom thiab kev ua haujlwm, peb nruj me ntsis tswj txhua qhov txheej txheem los xyuas kom meej tias txhua pawg ntawm cov hlau ua tau raws li lossis txawm tshaj li cov qauv tsim nyog, muab cov neeg siv khoom nrog cov khoom zoo tshaj plaws.
Nrog cov cuab yeej tsim khoom siab heev thiab kev tswj xyuas kom zoo, peb muaj peev xwm muab tau zoo. Txawm hais tias nws yog ib pawg me me ntawm kev txiav txim sai lossis kev koom tes ntev ntev, peb tuaj yeem teb sai, xa tawm raws sijhawm thiab ntau kom tau raws li cov neeg siv khoom xav tau. Peb paub zoo tias cov kev pabcuam zoo yog lub hauv paus ntawm kev koom tes. Pab neeg muag khoom tshaj lij yeej ib txwm npaj los muab cov neeg siv khoom nrog ntau yam kev pab sab laj. Los ntawm kev xaiv cov khoom lag luam mus rau kev xa khoom xa tawm, txhua qhov txuas tau ua tib zoo npaj kom cov neeg siv khoom tsis muaj kev txhawj xeeb.
Yog tias koj muaj kev xav tau hauv kev muag khoom steel, txawm tias koj xav tau cov qauv hlau hauv Lavxias lossis Suav tus qauv steel, thov koj xav tiv tauj peb. Peb tos ntsoov yuav ua haujlwm nrog koj los qhib tshooj tshiab ntawm kev koom tes steel thiab tsim kom muaj kev ci ntsa iab ntxiv rau theem ntawm Sino-Lavxias teb sab kev lag luam steel.
Post lub sij hawm: Mar-09-2025