Karfe kumfa yana da jerin kyawawan kaddarorin: babban porosity, babban yanki na musamman, babban ƙayyadaddun ƙarfi, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi, haɓakar kuzari, damping mai kyau da shaƙar girgiza, juriya na lalata, juriya mai zafi, garkuwar lantarki, mara guba, aiki mai sauƙi , za a iya fentin surface jiyya, da dai sauransu .. Saboda da kyau kwarai jiki da kuma inji Properties, kumfa karfe za a iya amfani da duka tsarin da kuma kayan aiki. Gabaɗaya, yana da duka ayyuka na aiki da na tsari, kuma kayan aikin injiniya ne mai yawa tare da kyakkyawan aiki wanda ke haɗa aiki da tsari. Ana amfani da karafa na kumfa sosai a sararin samaniya, sadarwar lantarki, sufuri, makamashin atomic, magani, kariyar muhalli, ƙarfe, injina, gini, electrochemistry da masana'antar petrochemical.

Babban bambanci tsakanin kumfa na karafa da kayan gargajiya shine tsarin su na canzawa sosai, wanda za'a iya ragewa a hankali daga millimita zuwa micron ko ma nanometer a girman yayin da yake kiyaye babban porosity. Saboda haka, porous karafa da kyau designability da za a iya tsara tare da m conformation ingantawa da Multi-aikin synergistic zane na su microstructure kafin shiri bisa ga bukatun daban-daban aikace-aikace.
Nauyin nauyi, ƙarancin amfani da makamashi da aminci da kwanciyar hankali sune hanyoyin haɓaka motoci, kuma inganta tsarin motoci shine hanyar rage nauyi da haɓaka ingantaccen mai, amma yana da wahala a ƙara rage sararin ɗakin. Yin amfani da ƙananan injuna ko wasu ragi na tsarin zai kawo matsaloli kamar zubar da zafi na inji, da kare lafiyar haɗari saboda gajarta aikin jiki. Abubuwan da ake buƙata don rage hayaniyar abin hawa yana haifar da buƙatar sabbin kayan shayar da sauti, don haka amfani da kayan aikin multifunctional masu nauyi don sassa na mota yana ba da mafita mai dacewa ga irin waɗannan matsalolin. A cikin masana'antar kera motoci, inda farashin da ingancin kayan ke da matukar buƙata, yin amfani da sassan kumfa aluminium na iya rage yawan abin hawa, rage yawan amfani da man fetur da rawar jiki, rage nauyi a kan muhalli, da haɓaka aminci da ƙari. kwanciyar hankali da abin hawa. Aikace-aikacen kumfa na aluminum a cikin masana'antar kera motoci galibi ya haɗa da tsarin nauyi mai nauyi, tsarin ɗaukar kuzari da tsarin canja wurin zafi, da sauransu.