Cov kav dej thiab cov kav dej kub-dip galvanized yog cov kav dej nrov hauv cov kav dej muaj zog. Tab sis ntau tus neeg tsis paub qhov txawv ntawm ob lub kav dej no thiab paub qhov txawv ntawm lawv kom raug.
Cov kav dej welded yog tsim los ntawm vuam cov ntaub ntawv raw khoom tom qab kub dabtsi yog khoov, uas feem ntau muaj ib txoj kab uas hla loj thiab siv nyob rau hauv tej yaam num xws li roj thiab roj tsheb thauj mus los. Lub welded yeeb nkab nto yog tsis kho, thiab nto xeb kuj loj.
Cov kav dej kub-dip galvanized yog ua los ntawm cov kav hlau zoo thiab kho los ntawm galvanizing tom qab kub dov, feem ntau nrog ib txoj kab uas hla me me thiab siv nyob rau hauv tej yaam num xws li nroog ib puag ncig tiv thaiv hlab. Cov yeeb nkab galvanized nto yog du thiab tsis xeb yooj yim.
Rau peb lub tuam txhab, peb tshwj xeeb hauv kev tsim cov kav hlau ntau, nrog rau ntau yam welded kav thiab galvanized kav. Peb cov kav dej welded yog cov khoom zoo, uas tuaj yeem siv tau ntev yam tsis muaj xeb. Kub-dip galvanized kav dej muaj kev tiv thaiv corrosion siab thiab ruaj khov thiab txhim khu kev qha.
Hauv cov ntsiab lus, welded kav thiab kub-dip galvanized kav yog ob lub kav dej uas tau siv dav hauv kev lag luam. Qhov sib txawv tseem ceeb yog lawv cov txheej txheem tsim khoom thiab cov khoom siv sib txawv, thiab lawv cov xwm txheej siv sib txawv. Qhov zoo ntawm cov kav dej uas tsim los ntawm peb lub tuam txhab yog nruj me ntsis soj ntsuam kom zoo thiab cov neeg siv khoom txaus siab.
