Gabaɗaya ana kiran bututun ƙarfe na galvanized bututu mai sanyi. Yana ɗaukar tsari na lantarki kuma kawai bangon waje na bututun ƙarfe yana galvanized. Bangon ciki na bututun ƙarfe ba a yi shi da galvanized ba.
Bututun ƙarfe mai zafi mai tsomawa suna amfani da tsarin galvanizing mai zafi, kuma bangon ciki da na waje na bututun ƙarfe suna da yadudduka na zinc.

bambanci:
1. Hanyoyin sun bambanta: maganin sinadarai da jiyya na jiki; murfin galvanized mai zafi mai zafi yana da ƙarfi kuma ba sauƙin faɗuwa ba.
2. Gilashin galvanized mai zafi mai zafi yana da kauri, don haka yana da ƙarfin hana lalata. Galvanizing (electroplating) yana da sutura iri ɗaya kuma yana da inganci mai kyau, kuma kaurin rufin yana gabaɗaya tsakanin ƴan microns da fiye da microns goma.
3. Hot- tsoma galvanizing ne da sinadaran magani da electrochemical dauki. Galvanizing magani ne na jiki. Yana kawai goge ɗigon zinc a saman. Babu zinc plating a ciki, don haka da zinc Layer sauƙi fadowa a kashe. Ana yawan amfani da galvanizing mai zafi a cikin ginin gini.
4. Hot-tsoma galvanized karfe bututu reacts narkakkar karfe tare da baƙin ƙarfe matrix don samar da gami Layer, game da shi hada da matrix da shafi.