Hoobkas ncaj muag ntawm galvanized carbon steel square tubes
Square tubes yog ib lub npe rau cov raj square thiab cov raj raj, uas yog, cov raj steel nrog qhov sib npaug thiab tsis sib npaug. Lawv yog tsim los ntawm dov sawb hlau tom qab ua tiav. Feem ntau, cov sawb hlau yog unpacked, flattened, curled, thiab welded los tsim ib puag ncig lub raj, uas yog dov mus rau hauv ib lub raj square thiab txiav mus rau hauv qhov ntev ntev.

Khoom Taw Qhia
Kuj tseem hu ua square thiab rectangular txias-khoov hollow steel, hu ua square tubes thiab rectangular raj, nrog rau cov lej F thiab J feem.
1. Qhov tso cai sib txawv ntawm phab ntsa thickness ntawm lub raj square yuav tsum tsis pub tshaj ntxiv los yog rho tawm 10% ntawm nominal phab ntsa thickness thaum phab ntsa thickness tsis ntau tshaj 10 hli, thiab ntxiv los yog rho tawm 8% ntawm phab ntsa thickness thaum phab ntsa thickness. yog ntau tshaj 10mm, tsis suav nrog phab ntsa thickness ntawm cov ces kaum thiab weld cheeb tsam.
2. Lub sij hawm xa khoom ntev ntawm lub raj square yog 4000mm-12000mm, nrog 6000mm thiab 12000mm yog qhov ntau tshaj. Square tubes raug tso cai xa tawm hauv qhov luv luv thiab qhov ntev tsis ruaj tsis pub tsawg dua 2000mm. Lawv kuj tuaj yeem raug xa mus rau hauv daim ntawv ntawm cov raj sib txuas, tab sis cov raj txuas txuas yuav tsum raug txiav tawm thaum siv los ntawm tus neeg yuav khoom. Qhov hnyav ntawm qhov ntev ntev thiab cov khoom tsis tas yuav tsum tsis pub tshaj 5% ntawm tag nrho cov khoom xa tuaj. Rau cov raj square uas muaj qhov hnyav tshaj li 20kg / m, nws yuav tsum tsis pub tshaj 10% ntawm tag nrho cov khoom ntim.
3. Qhov curvature ntawm lub square raj yuav tsum tsis txhob ntau tshaj 2mm ib 'meter', thiab tag nrho curvature yuav tsum tsis txhob ntau tshaj 0.2% ntawm tag nrho cov ntev.