Base materials galvanized theih ber chu steel leh iron te an ni. Mahse, ferrous metal dang pawh galvanized theih a ni bawk.
Galvanizing-a coating material chu zinc a ni fo. Mahse, galvanizing ang chi process chu tin plating a ni a, tin ai chuan zinc a hmang zawk. Tin plating hi ei tur dahna ang chi hman awlsamna atan a tha a, mahse galvanizing angin rintlak a ni lo: coating a chhiat chuan a hnuaia thir chu a chhe vek ang.
Galvanized type a ni a .
Galvanizing chi hnih lar ber pahnih chu hot-dip galvanizing leh electro-galvanizing te hi an ni. A hnuaia mi hian heng kawng pahnih leh a dangte hi a sawi a ni. Eng galvanizing nge thlan tur tih hriat hian mithiamte puihna a ngai mai thei.
1) Hot-Dip galvanizing .
Hot-dip galvanizing process chhung hian metal chu hot zinc bath-ah 450℃velin a thun a ni . A lakchhuah chuan coating surface chu oxygen nen an inrem a, zinc oxide an siam a, chutah chuan carbon dioxide nen an inrem a, zinc carbonate an siam a ni. Galvanizing hmain metal chu caustic alkali solution hmanga tihfai a, chu chu acidic solution-a pickled tur a ni. Ammonium zinc chloride hmang hian metal te chu galvanizing hmain a hun hmaa an oxidize loh nan an hmang thei bawk.
