Welded Yeeb Nkab
Khoom Description
Welded kav, tseem hu ua welded steel kav, yog tsim los ntawm dov steel daim hlau los yog strips rau hauv ib tug tubular zoo thiab ces welding cov pob qij txha. Nrog rau cov kav dej seamless, lawv yog ib qho ntawm ob pawg tseem ceeb ntawm cov kav hlau. Lawv cov yam ntxwv tseem ceeb yog kev tsim khoom yooj yim, tus nqi qis, thiab ntau yam kev qhia tshwj xeeb.
I. Core Classification: Classification los ntawm Vuam txheej txheem
Cov txheej txheem vuam sib txawv txiav txim siab qhov ua tau zoo ntawm cov kav dej welded. Muaj peb hom loj:
• Longitudinal Welded Yeeb Nkab (ERW): Tom qab dov lub steel sawb mus rau hauv ib ncig los yog square cross-section, ib tug seam yog welded longitudinally (lengthwise) raws lub raj. Qhov no muaj kev ua haujlwm siab thiab tus nqi qis, ua rau nws tsim nyog rau kev thauj mus los ntawm cov dej tsis tshua muaj siab (xws li dej thiab roj) thiab cov ntawv thov kev txhawb nqa. Cov kev qhia tshwj xeeb muaj xws li me me thiab nruab nrab diameters (feem ntau ≤630mm).
• Kauv Welded Yeeb Nkab (SSAW): Cov hlau sawb yog dov rau hauv ib qho kev taw qhia helical thiab cov seam yog welded ib txhij, tsim kom muaj kauv vuam. Lub weld seam yog qhov sib npaug sib npaug, muab qhov zoo tshaj tensile thiab khoov tsis kam piv rau ncaj seam welded yeeb nkab. Qhov no tso cai rau kev tsim cov kav dej loj loj (txog li 3,000mm hauv txoj kab uas hla) thiab feem ntau yog siv rau kev thauj mus los ntawm cov kua dej siab (xws li roj thiab cov kav dej ntuj) thiab cov kav dej hauv nroog.
• Stainless hlau welded yeeb nkab: Ua los ntawm stainless hlau ntawv / sawb, welded siv cov txheej txheem xws li TIG (tungsten inert gas arc vuam) thiab MIG (hlau hlau arc vuam). Nws muaj cov corrosion thiab kub kub tsis kam ntawm stainless hlau thiab yog tsim rau cov ntawv thov uas yuav tsum tau cov ntaub ntawv zoo, xws li cov khoom noj, tshuaj, thiab cov khoom siv kho mob. Nws yog feem ntau siv nyob rau hauv me me thiab nruab nrab-inch precision kav.
II. Qhov Zoo Tshaj Plaws
1. Tus nqi qis thiab kev tsim khoom siab: Piv rau seamless yeeb nkab (uas yuav tsum muaj cov txheej txheem nyuaj xws li tho thiab dov), welded yeeb nkab muaj cov khoom siv raw khoom siv thiab cov txheej txheem luv luv. Cov nqi feem ntau yog 20% -50% qis dua rau tib qhov tshwj xeeb. Tsis tas li ntawd, nws tuaj yeem ua rau hauv cov khoom siv thiab tsis tu ncua kom tau raws li qhov xav tau loj.
2. Cov Lus Qhia Yooj Yim: Cov kav dej uas muaj qhov sib txawv (los ntawm ob peb millimeters mus rau ob peb metres), phab ntsa thicknesses, thiab ntu ntu (round, square, thiab rectangular) tuaj yeem tsim tau raws li qhov xav tau ntawm tus kheej ntawm ntau yam kev siv, suav nrog kev tsim kho thiab kev lag luam.
3. Kev Ua Yooj Yim: Cov khoom siv tsis zoo thiab cov welds ruaj khov pab txhawb kev txiav tom qab, drilling, khoov, thiab lwm yam kev ua haujlwm, ua kom yooj yim installation.
III. Cov cheeb tsam tseem ceeb ntawm daim ntawv thov
• Kev Lag Luam Kev Tsim Kho: Siv rau hauv cov kav dej thiab cov kav dej, cov kav dej tiv thaiv hluav taws, cov qauv steel txhawb nqa (xws li scaffolding thiab curtain phab ntsa studs), qhov rooj thiab qhov rais thav ntawv (cov kav dej sib npaug), thiab lwm yam.
• Industrial Sector: Siv los ua cov kav dej uas tsis tshua muaj siab thauj khoom (dej, compressed cua, chav), cov khoom txhawb nqa kav dej, rhiav guardrails, thiab lwm yam.; loj-inch kauv welded kav yog siv nyob rau hauv ntev-ntev roj thiab cov pa roj pipelines.
• Kev Lag Luam Hauv Nroog: Siv rau hauv cov kav dej hauv nroog, cov kav dej xa hluav taws xob (nruab nrab thiab tsis tshua muaj siab), cov ncej teeb pom kev zoo, cov neeg saib xyuas tsheb, thiab lwm yam.
• Lub Neej Txhua Hnub: Cov kav dej me me (xws li cov kav hlau tsis muaj steel) yog siv rau hauv cov rooj tog zaum thiab cov kav dej hauv chav ua noj (xws li cov kav dej ntau hood).
Khoom Qhia
Cov khoom muaj feem xyuam
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