ASTM A179sanyi kõma sumul carbon karfe bututuAn yafi amfani da daban-daban sassa na karfe tsarin wurare, yafi bayan tsatsa na karfe guda immersed a 440 ~ 460℃narkewar zinc bayani, don haka da cewa karfe saman da aka haɗe zuwa zinc Layer, wanda taka wani preservative manufa.Wannan hanya ce mai tasiri na lalata ƙarfe, yin amfani da manyan siffofi sune masu zuwa:

(1) ASTM A179 sanyi zana sumul bututu masana'antun da lokacin farin ciki m tutiya Layer rufe a cikin sanyi kõma sumul tube surface, zai iya kauce wa sanyi kõma sumul tube matrix da wani lamba tare da lalata bayani don kare karfe matrix daga lalata.A cikin yanayi na yau da kullum, saman tudun zinc don samar da Layer na bakin ciki da ƙananan zinc oxide surface, yana da wuya a narke cikin ruwa, don haka matrix na karfe yana taka rawar kariya.Idan zinc oxide da sauran abubuwan da ke cikin yanayi suna samar da gishirin zinc maras narkewa, tasirin anti-lalata ya fi kyawawa.

(2) Tare da baƙin ƙarfe - zinc gami Layer, haɗe tare da m, kuma tare da musamman anti-lalata a cikin marine yanayi da kuma yanayi yanayi.

(3) ASTM A179 sanyi zana bututu maras kyau tare da juriya mai ƙarfi saboda haɗuwa da ƙarfi, zinc - baƙin ƙarfe.

(4) Tun da zinc yana da kyau ductility, da gami Layer da karfe tushe a haɗe zuwa wani m, don haka zafi-birgima sassa na iya zama sanyi, mirgina, zane, lankwasawa da sauran gyare-gyare ba tare da lalacewa da shafi.

(5) Hot-tsoma galvanized tsarin karfe bututu, daidai da wani annealing magani, iya yadda ya kamata inganta inji Properties na karfe matrix kawar da karfe forming waldi danniya, shi ne conducive ga karfe tsarin ga juya.

(6) Fuskar sanyi da aka zana bututu maras kyau bayan galvanized mai zafi yana da haske da kyau.

(7) Tutiya mai tsafta shine mafi zafi galvanized Layer na galvanized Layer, yanayinsa yana kusa da tutiya mai tsabta, tare da ductility, don haka yana cike da sassauci.