1. Ƙarfin yawan amfanin ƙasa da elongation na farantin jan karfe suna da bambanci, taurin farantin jan karfe da aka sarrafa yana ƙaruwa sosai, amma ana iya rage shi ta hanyar magani mai zafi.
2. Farantin jan karfe ba'a iyakance shi da zafin jiki na sarrafawa ba, ba ya raguwa a ƙananan zafin jiki, kuma ana iya yin shi ta hanyar busa iskar oxygen da sauran hanyoyin walda mai zafi lokacin da wurin narkewa ya yi girma.
3. Daga cikin duk kayan ƙarfe don ginawa, jan karfe yana da mafi kyawun kayan haɓakawa kuma yana da babban fa'ida a cikin daidaitawa ga ƙirar gine-gine.
4. Copper farantin yana da kyau kwarai aiki adaptability da ƙarfi, dace da daban-daban matakai da kuma tsarin kamar lebur kulle tsarin, tsaye gefen snapping tsarin, da dai sauransu.
● Ƙananan ginannen zafi
● Mafi kyawun ƙarewa
● Tsawon rayuwar kayan aiki
● Inganta zurfin yin rami mai zurfi
● Kyakkyawan ƙarfin walda
●Dace da mold cores, cavities, da abun da ake sakawa
