Raws li cov hnub ci ntsa iab thoob ntiaj teb ncav cuag cov ntawv sau, cov tuam ntxhab nce ntxiv xaiv galvanized thiab coatedsteel ntawvRau vaj huam sib luag thav ntawv thiab mounting cov qauv. Cov khoom siv tshwj xeeb corrosion tsis kam raws li ib puag ncig sab nraum zoov kom ua hauj lwm lifes li 25 xyoo lossis ntau dua nrog kev saib xyuas tsawg.
European Roorop thiab Utility-Teev Ua Liaj Ua Teb Ua Ntej Daim Ntawv Sau Ua Ntej, uas tiv thaiv cov dej hiav txwv hauv cov nag hauv cov chaw muaj nag. Cov haujlwm tsis ntev los no hauv Spain thiab Ltalis siv 1.0 hli zinc-coated steel ntawv, txo cov ncej ua tiav los ntawm 90% piv rau cov xim txhuas aluminium.
Nyob rau hauv North America, Hnub Ci Tracker Lub Nruab Nruab tsau laser-txiav, kub-dip galvanized stainless txheej txheem. Cov neeg muaj zog tiv thaiv tau wolden cua loads tshaj 25 m / s thiab thermal cycling nruab nrab ntawm -20℃thiab 60 degree. Cov neeg lag luam Asmeskas tau hais qhia tias hloov mus rau Galvanized Steel Sheet txiav warranty uas ib nrab tshaj li tsib xyoo lub qhov rais.
Neeg Esxias cov lag luam kuj tseem yog tawg: Suav thiab Is Nrias teb tsis pub dhau 2 lab tonnes ntawm zinc-coulent steel daim ntawv, tsav los ntawm txhoj puab ntau dua lub zog. Cov Mills hauv zos tab tom teb nrog cov xaim-txheej txheej ua ntawv thov chromate-dawb promcoats rau kev txhim kho UV ruaj khov.
Nrog lub hnub ci muaj peev xwm ntxiv ntxiv rau ntawm 15%, qhov kev thov rau kev ntseeg siab, qis-nqi txuas ntxiv Inquetcheture Infraseture Thoob Ntiaj Teb.