1. Yuav tswj kav ntev li cas?
Ntev ntev:
6m, 12m (taw ntev)
Random lengthLength yog tswj los ntawm cov tshuab txiav.
2. Cov kav dej puas tuaj yeem coated?
Yog lawm. Common coatings:
Galvanizing
PE / PP txheej
Epoxy txheej
Anti- xim pleev xim
3. 3PE tiv thaiv -corrosion yog dab tsi?
3 PEB =peb- txheej polyethylenetxheej. Siv rau faus cov roj thiab cov kav dej los tiv thaiv corrosion.
4. Dab tsi yog qhov txawv ntawm welded yeeb nkab thiab seamless yeeb nkab hauv nqe?
Welded yeeb nkab yog feem ntau10% - 30% pheej yig duavim tus nqi qis dua.
5. Dab tsi yog cov khoom siv raw ntawm welded yeeb nkab?
Kub- dov los yog txias - dovsteel sawb / coil lossis steel phaj.
