Seamless kav thiab raj yog hom kav thiab cov raj uas tsim los tsis muaj vuam seam. Lawv yog tsim los ntawm kev tho lub pob zeb ntawm cov hlau los yog lwm yam ntaub ntawv los tsim ib lub hollow cylindrical zoo. Qhov tsis muaj vuam seam muab ntau qhov zoo, suav nrog lub zog siab dua, zoo dua corrosion kuj, thiab txhim kho kev ua haujlwm siab.

European Commission tau tshaj tawm txoj haujlwm tiv thaiv kev pov tseg (AD) kev tshawb nrhiav rau kev xa khoom ntawm qee cov kav dej tsis sib haum thiab cov raj los ntawm Tuam Tshoj. Qhov kev txiav txim no ua raws li kev tsis txaus siab los ntawm EuropeanHlau TubeLub koom haum (ESTA) thaum Lub Plaub Hlis 2, 2024, uas tau thov tias kev xa khoom ntau ntxiv ua rau muaj kev puas tsuaj rau EU kev lag luam.

Kev tshawb xyuas ntawm kev pov tseg thiab kev raug mob yuav them rau lub sijhawm txij lub Plaub Hlis 1, 2023, txog rau Lub Peb Hlis 31, 2024. Cov khoom raug rau qhov kev tshawb xyuas no yog qee yam seamless kav thiab cov raj ntawm cov hlau los yog hlau, nrog rau cov raj precision ntawm lub voj voog hla ntawm sab nraud. txoj kab uas hla tsis tshaj 406.4 hli nrog tus nqi sib npaug Carbon (CEV) tsis tshaj 0,86 raws li International Institute of Welding (IIW) mis thiab tshuaj ntsuam xyuas.

Cov khoom lag luam hauv kev tshawb nrhiav poob hauv TARIC cov lej 7304191020, 7304193020, 7304230020, 7304291020, 7304293020, 7304312030, 7304318030, 7304318030, 7304318030, 7304398230, 7304398320, 7304518930, 7304598230 thiab 7304598320.

seamless yeeb nkab

Seamless kavthiab cov raj siv feem ntau siv hauv kev lag luam xws li roj thiab roj, petrochemical, tsim hluav taws xob, thiab tsheb. Lawv tsim nyog rau cov ntawv thov uas muaj kev kub ntxhov, kub kub, lossis kev cuam tshuam ib puag ncig.

Cov txheej txheem tsim cov kav dej seamless thiab cov raj muaj ob peb kauj ruam, nrog rau kev npaj billet, tho, elongation, thiab tiav. Lub seamless yam ntawm cov kav dej thiab cov raj no tso cai rau kom muaj kev sib luag thiab txuas ntxiv ntawm cov kua lossis cov pa roj, ua rau lawv zoo tagnrho rau kev thauj cov kua thiab roj hauv ntau qhov kev lag luam.

Seamless kav thiab raj tuaj nyob rau hauv ntau qhov ntau thiab tsawg, diameters, thiab thicknesses kom tau raws li cov kev thov tshwj xeeb. Lawv tuaj yeem ua los ntawm cov khoom sib txawv, xws li cov hlau tsis muaj steel, cov hlau tsis muaj steel, cov hlau tsis muaj hlau, thiab cov hlau tsis muaj hlau.

Zuag qhia tag nrho, cov kav dej seamless thiab cov raj tau paub txog lawv lub zog zoo dua, ua haujlwm ntev, thiab kev ntseeg tau, ua rau lawv muaj kev xaiv nrov hauv ntau qhov kev lag luam uas xav tau cov kav dej ua tau zoo.

Seamless carbon steel yeeb nkab yog ib txoj hlua ntev ntawm cov hlau nrog lub hollow cross-section thiab tsis muaj seams nyob ib ncig ntawm nws. Nws yog ua los ntawm high-zoo carbon steel thiab tau refined kom muaj zoo mechanical zog thiab vuam zog.

Cov khoom ntawm seamless carbon steel yeeb nkab yog zoo heev. Cov khoom siv ntawm Q345B muaj lub zog muaj zog thiab lub zog tensile, uas tuaj yeem ua tau raws li ntau yam kev siv zog thiab kev ua haujlwm siab.

Nyob rau tib lub sijhawm, seamless carbon steel kav tau txais kev kho tshwj xeeb los tiv thaiv corrosion thiab muaj kev tiv thaiv corrosion zoo, thiab tuaj yeem tswj tau lawv cov kev ua tau zoo rau lub sijhawm ntev hauv cov xov xwm corrosive xws li acids, alkalis, thiab ntsev.

Seamless carbonhlauCov kav dej muaj kev sib txuas zoo heev thiab tuaj yeem txuas nrog siv ntau txoj kev vuam, xws li argon arc vuam, CO2 roj tiv thaiv vuam, thiab lwm yam.

Nws daim ntawv thov teb yog dav, suav nrog roj av, tshuaj lom neeg kev lag luam, hluav taws xob fais fab, kev tsim kho thiab lwm yam kev lag luam.

Hauv kev lag luam roj av, seamless carbon steel kav yog siv los thauj cov roj, roj thiab lwm yam xov xwm;

nyob rau hauv kev lag luam chemical, lawv yog siv los tsim ntau yam ntawm cov hlab ntsha, cov kav dej, thiab lwm yam .;

nyob rau hauv hluav taws xob teb, lawv yog siv los tsim boilers, chimneys, thiab lwm yam .;

nyob rau hauv kev tsim kho thaj chaw, Siv rau kev siv dej, kua dej, cua sov thiab lwm yam txheej txheem ntawm lub tsev.

Dab tsi yog cov yam ntxwv ntawm cov khoom ntawm seamless carbon steel yeeb nkab?

Raws li ib qho tseem ceeb engineering khoom, seamless yeeb nkab los yog seamless carbon steel kav yog dav siv nyob rau hauv ntau lub teb. Nws cov khoom siv tau zoo heev thiab muab kev txhawb nqa zoo rau ntau yam kev thov.

1. Cov khoom siv kho tshuab zoo heev

Seamless steel kav lossis seamless carbon steel raj muaj cov khoom siv zoo heev, feem ntau yog cov khoom siv zoo carbon steel lawv siv. Seamless carbon steel kav muaj qhov zoo elasticity thiab plasticity thaum raug rau sab nraud quab yuam xws li siab, dabtsi yog khoov, thiab cuam tshuam, thiab tuaj yeem ua tau raws li ntau yam kev xav tau ntawm engineering.

2. Lub zog tensile siab

Seamless yeeb nkab lossis seamless carbon steel yeeb nkab muaj lub zog tensile siab thiab tuaj yeem tiv taus kev rub loj. Lub zog muaj zog no ua rau cov pa roj carbon seamless steel kav kom muaj kev ruaj khov nyob rau hauv ib puag ncig hnyav xws li kev kub siab thiab kub, ua kom muaj kev nyab xeeb ntawm qhov project.

3. Zoo corrosion kuj

Seamless carbon steel kav tau txais kev kho tshwj xeeb los tiv thaiv corrosion thiab muaj kev tiv thaiv corrosion zoo dua. Hauv cov xov xwm corrosive xws li acids, alkalis, thiab ntsev, seamless carbon steel kav yuav tswj tau lawv cov kev ua tau zoo rau lub sij hawm ntev thiab ntev lawv cov kev pab cuam lub neej. Cov yam ntxwv no ua rau seamless carbon steel kav muaj dav siv rau hauv kev lag luam tshuaj, roj av thiab lwm yam kev lag luam.

4. Kev ua haujlwm vuam zoo heev

Seamless carbon steel kav muaj kev ua haujlwm zoo heev thiab tuaj yeem txuas nrog ntau txoj kev vuam. Qhov no ua rau kev teeb tsa thiab kev saib xyuas ntawm seamless carbon steel kav yooj yim dua thiab txhim kho kev ua haujlwm. Nyob rau tib lub sijhawm, kev ua haujlwm vuam zoo heev kuj ua kom zoo thiab lub zog ntawm vuam thiab txhim kho kev ntseeg tau ntawm tag nrho qhov project.

5. Kev siv ntau yam

Cov khoom zoo heev ntawm seamless carbon steel kav ua rau lawv siv dav hauv ntau qhov chaw. Txawm hais tias nws yog nyob rau hauv kev lag luam roj av, tshuaj lom neeg kev lag luam, hluav taws xob hluav taws xob lossis kev tsim kho, seamless carbon steel kav tuaj yeem muab kev ua si tag nrho rau lawv qhov tshwj xeeb zoo thiab ua tau raws li cov kev xav tau ntawm ntau txoj haujlwm nyuaj.

6. Ntau hom khoom siv

Seamless carbon steel kav yog tsim los ntawm ntau yam ntaub ntawv, nrog rau cov hlau nrog cov ntsiab lus sib txawv carbon thiab sib txawv alloying ntsiab. Qhov kev sib txawv no tso cai rau seamless carbon steel kav los hloov mus rau ntau qhov chaw ua haujlwm thiab engineering xav tau, ua tau raws li tus neeg xav tau ntawm cov neeg siv khoom.

7. Kev ua haujlwm siab precision

Seamless carbon steel kav siv cov thev naus laus zis ntau lawm thiab cov cuab yeej siv thaum lub sijhawm tsim khoom los xyuas kom meej qhov ua tiav ntawm cov khoom. Qhov no ua rau kev teeb tsa thiab kev sib txuas ntawm seamless carbon steel kav yooj yim dua thiab txhim kho qhov zoo ntawm qhov project.

8. Tus nqi tsim nyog

Txawm hais tias seamless carbon steel kav muaj kev ua tau zoo thiab ntau yam zoo, lawv cov nqi kuj tsim nyog, tso cai rau cov neeg siv khoom tswj cov nqi thaum nyiam cov khoom zoo. Qhov zoo dua tus nqi no ua rau seamless carbon steel kav muaj kev sib tw hauv kev ua lag luam.