Qhov tseem ceeb ntawm kev ua raws li cov lus qhia tshwj xeeb ntawm cov yeeb nkab hlau carbon hauv kev siv hauv kev lag luam tsis tuaj yeem hais dhau lawm. Cov lus qhia no ua kom ntseeg tau tias cov ntaub ntawv siv hauv kev tsim kho thiab cov txheej txheem tsim khoom ua tau raws li cov qauv tsim nyog rau kev nyab xeeb, kev ruaj khov, thiab kev ua tau zoo. Ntawm ntau hom yeeb nkab, cov yeeb nkab hlau carbon seamless sawv tawm, tshwj xeeb tshaj yog hauv cov ntawv thov kub siab.
Ib qho ntawm cov lus qhia tshwj xeeb suav nrog cov yeeb nkab hlau carbon seamless los ntawm NPS 1 txog NPS 48 nrog cov phab ntsa nominal thicknesses raws li tus qauv ASME B 36.10M. Cov lus qhia tshwj xeeb no yog qhov tseem ceeb rau cov lag luam uas xav tau cov yeeb nkab uas tuaj yeem tiv taus cov xwm txheej hnyav, xws li roj thiab roj av, kev tsim hluav taws xob, thiab kev ua tshuaj lom neeg. Lub peev xwm ntawm cov yeeb nkab no los tiv taus qhov kub siab thaum tswj kev ruaj khov ntawm cov qauv yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm zoo ntawm kev lag luam.
Qhov zoo ntawm cov no tsis muaj qhov tsis sib xwscov yeeb nkab hlaumuaj ntau yam zoo. Tsis zoo li cov kav dej vuam, cov kav dej seamless yog ua los ntawm ib daim hlau, tshem tawm qhov kev pheej hmoo ntawm cov ntsiab lus tsis muaj zog uas tuaj yeem tshwm sim ntawm qhov vuam seam. Cov yam ntxwv no ua rau lawv tsim nyog rau kev khoov, flanging thiab kev ua haujlwm zoo sib xws, nrog rau kev vuam. Cov kav dej carbon seamless yog ntau yam thiab tuaj yeem siv rau ntau yam kev siv, los ntawm kev hloov pauv kua mus rau kev txhawb nqa rau cov tshuab hnyav.
Hauv plawv ntawm kev lag luam yog ib lub tuam txhab nyob hauv Cangzhou, Hebei Xeev, uas tau ua tus thawj coj hauv kev lag luam txij li thaum nws tau tsim tsa xyoo 1993. Lub tuam txhab npog thaj tsam ntawm 350,000 square meters, muaj tag nrho cov cuab tam ntawm RMB 680 lab thiab ntiav kwv yees li 680 tus neeg ua haujlwm txawj. Ib qho chaw muaj zog thiab cov neeg ua haujlwm muaj zog ua rau lub tuam txhab tsim cov kav hlau carbon zoo rau cov lus qhia meej, kom ntseeg tau tias cov neeg siv khoom tau txais cov khoom lag luam txhim khu kev qha uas ua tau raws li lawv cov kev xav tau kev lag luam.
Qhov tseem ceeb ntawmcov yeeb nkab carbon steel teem sijhawmmus dhau qhov kev ua raws li txoj cai kom ntseeg tau tias lub neej ntev thiab kev ntseeg tau ntawm cov txheej txheem kev lag luam. Thaum cov lag luam nqis peev rau cov khoom siv zoo uas ua tau raws li cov lus qhia tau teeb tsa, lawv tsis tsuas yog tiv thaiv kev ua haujlwm tab sis kuj txhim kho kev tsim khoom tag nrho. Cov lus qhia raug tuaj yeem txo cov nqi kho, txo kev cuam tshuam kev ua haujlwm, thiab txhim kho kev nyab xeeb ntawm cov neeg ua haujlwm.
Tsis tas li ntawd xwb, thaum cov lag luam hloov zuj zus thiab muaj cov teeb meem tshiab tshwm sim, qhov xav tau cov khoom siv siab heev kuj nce zuj zus. Cov kav dej hlau tsis muaj hlau uas lub tuam txhab Cangzhou tsim tawm yog tsim los ua kom tau raws li cov kev xav tau no, muab cov kev daws teeb meem tshiab thiab txhim khu kev qha. Los ntawm kev ua raws li tus qauv ASME B 36.10M, lub tuam txhab ua kom ntseeg tau tias nws cov khoom tsim nyog rau ntau yam kev siv, suav nrog cov uas xav tau kev pabcuam kub siab.
Hauv kev xaus lus, qhov tseem ceeb ntawm cov yeeb nkab carbon steel hauv kev siv hauv kev lag luam tsis tuaj yeem tsis quav ntsej. Cov lus qhia no tsis yog tsuas yog lav qhov zoo thiab kev ua tau zoo ntawm cov yeeb nkab xwb, tab sis lawv kuj ua lub luag haujlwm tseem ceeb hauv kev nyab xeeb thiab kev ua haujlwm ntawm kev lag luam. Nrog lub hauv paus tsim khoom muaj zog thiab kev cog lus rau qhov zoo, lub tuam txhab Cangzhou yuav txuas ntxiv ua tus thawj coj hauv kev muab cov yeeb nkab carbon steel seamless uas ua tau raws li kev lag luam cov kev cai nruj. Thaum kev lag luam txuas ntxiv loj hlob thiab hloov pauv, cov ntaub ntawv zoo yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev tsav tsheb tsim kho tshiab thiab kev vam meej.
Lub sijhawm tshaj tawm: Tsib Hlis-19-2025