A matsayin sabon kayan aiki da yawa, kumfa na jan karfe yana dogara ne akan jan karfe, kuma yawancin ramukan da aka haɗa ko ba a haɗa su ba ana rarraba su daidai gwargwado, don haka samar da sababbin abubuwa masu yawa kamar kumfa na jan karfe.
Kumfa na jan ƙarfe ba shi da sauti kuma yana lalata, ba mai guba ba kuma mara haɗari.

Yawancin karafa na kumfa suna da kyawawan kaddarorin rufe sauti kuma suna iya garkuwa da siginar lantarki. Copper kumfa kuma yana da wannan fa'ida, daidai saboda sauti a saman kumfa na jan karfe, ba wai kawai zai faru ba; Hakanan ta hanyar faɗaɗa watsawar sauti. Dalilin micro-porous anechoic, da gaske yana cimma tasirin sautin anechoic. A lokaci guda kuma, kumfa na jan karfe yana iya yin garkuwa da siginar lantarki, kuma ana amfani da shi azaman kayan kariya na lantarki. Kumfa na jan karfe kanta ba mai guba ba ne kuma mara lahani ga jikin mutum, tare da ƙarin pores na ciki; Hakanan ana amfani da shi azaman kayan tacewa na likita ta yawancin masana'antun tsabtace ruwa.
Kumfa na jan karfe yana da mafi kyawun halayen lantarki saboda ba shi da tsada don samarwa fiye da kumfa nickel; saboda haka, ana amfani da shi sosai azaman kayan kashin baya na lantarki a cikin sabbin batura. Hakanan ana amfani da kumfa na jan ƙarfe azaman mai haɓakawa don sauƙaƙe halayen sinadarai a cikin wasu halayen sinadarai na halitta saboda ƙayyadaddun yanki na musamman. A halin yanzu, kumfa na jan ƙarfe yana da ƙarfin ƙarfin zafin jiki mai ƙarfi da kyakkyawan jinkirin harshen wuta; ana amfani da shi sosai wajen samar da kayan aikin thermal kuma ana amfani da shi sosai a cikin injinan lantarki da kayan watsar da zafi na lantarki.