1, ƙarancin kuɗin magani: farashin tsoma ruwan zafisandar kusurwa ta ƙarfe ta galvanizedrigakafin ya fi ƙasa da farashin sauran fenti;
2, mai ɗorewa: ƙarfe mai kusurwa mai kauri wanda aka yi da hot-dimbed yana da halaye na luster na saman, layin zinc iri ɗaya, babu ɗigon ruwa, babu ɗigon ruwa, mannewa mai ƙarfi, juriyar tsatsa, a cikin muhallin birni, ana iya kiyaye kauri na rigakafin tsatsa na yau da kullun na tsawon shekaru sama da 50 ba tare da gyara ba; A cikin birane ko yankunan teku, ana iya kiyaye daidaitaccen layin hana tsatsa na yau da kullun na tsawon shekaru 20 ba tare da gyara ba;
3, ingantaccen aminci: Layer ɗin galvanized da ƙarfe haɗin ƙarfe ne, sun zama wani ɓangare na saman ƙarfe, don haka karko na murfin ya fi aminci;