Annealed hlau, tom qab galvanizing, yog hu ua galvanized hlau. Galvanized hlau feem ntau muab faib ua 3 hom:
Electro-galvanized hlau, tseem hu ua txias-galvanized hlau
Kub-dipped galvanized hlau
Zinc- aluminium alloy hlau, tseem hu ua Galfan
Electro-galvanizing, tseem hu ua txias galvanizing, siv cov khoom siv electrolytic los raus cov hlau galvanized, tom qab degreasing thiab pickling, rau hauv cov tshuaj uas muaj zinc ntsev. Cov hlau txuas nrog qhov tsis zoo ntawm cov khoom siv hluav taws xob electrolytic, thiab lub phaj zinc muab tso rau sab nraud ntawm cov hlau, txuas nrog qhov zoo electrode ntawm cov khoom siv electrolytic. Thaum lub hwj chim qhib, qhov taw qhia txav ntawm qhov tam sim no los ntawm qhov zoo mus rau qhov tsis zoo electrode tso ib txheej ntawm zinc ntawm cov hlau galvanized. Electro-galvanizing muaj qhov ua tau qeeb qeeb, cov txheej txheem tsis zoo, tab sis nyias txheej, feem ntau tsuas yog 3-15 microns tuab, ci ntsa iab, thiab tsis zoo corrosion kuj. Cov zinc txheej ntawm cov hlau zoo tib yam electro-galvanized feem ntau yog 8-13 grams / square meter.
Kub-dip galvanizing yog ib txoj hauv kev ntawm galvanizing qhov twg zinc ingots melted ntawm qhov kub thiab txias, thiab tom qab ntawd cov hlau hlau maj mam dhau los ntawm cov zinc molten, cia cov zinc ua raws li cov hlau hlau. Cov zinc txheej ntawm kub-dip galvanized hlau yog 30-60 grams/square meter. Kub-dip galvanizing muaj qhov ceev ceev ceev, txheej tuab tab sis tsis sib xws, nrog qhov tsawg kawg nkaus thickness ntawm 45 microns thiab qhov siab tshaj plaws ntawm ntau tshaj 300 microns tso cai rau hauv khw. Nws muaj xim tsaus, siv zinc hlau ntau dua, tsim cov txheej txheem intermetallic nrog lub hauv paus hlau, thiab muaj kev tiv thaiv corrosion zoo.
Feem ntau, zinc txheej ntau dua 100 grams / square meter yog hu ua siab -zinc, nrog rau zinc txheej ntau tshaj li 300 grams / square meter.
Zinc- aluminium alloy hlau yog hu ua Galfan txawv teb chaws. galvanized txheej yog siab- zinc ntxiv rau txhuas, nrog rau cov ntsiab lus txhuas ntawm 5-10% thiab zinc ntsiab lus ntawm 90-95%. Lub ntsiab lus ntawm GALFAN yog GALVANIZATION FANTASTIQUE, "ib qho txawv tshaj plaw galvanizing," thiab nws cov khoom tiv thaiv corrosion yog li 2-3 npaug ntawm cov galvanizing zoo tib yam. Tam sim no, Galfan galvanized hlau yog tsuas yog siv nyob rau hauv gabion mesh khoom.
