Ƙarfin ductile yana da kyau don kayan bawul, saboda yana da ƙima mai yawa.A matsayin madadin karfe, an samar da baƙin ƙarfe na ductile a cikin 1949. Abubuwan da ke cikin carbon ɗin da ke cikin simintin ƙarfe bai kai kashi 0.3% ba, yayin da na simintin ƙarfe da baƙin ƙarfe ya kai aƙalla kashi 3%.Ƙananan abun ciki na carbon simintin ƙarfe yana sa carbon ya kasance azaman graphite kyauta ba ya samar da flakes.Halin yanayin carbon a cikin simintin ƙarfe shine flakes graphite kyauta.A cikin baƙin ƙarfe ductile, graphite yana cikin nau'in nodules maimakon flakes kamar a cikin simintin ƙarfe.Idan aka kwatanta da simintin ƙarfe da simintin ƙarfe, baƙin ƙarfe na ductile yana da kyawawan halaye na zahiri.Nodules ne masu zagaye waɗanda ke hana ƙirƙirar fashe, don haka samar da ingantaccen ductility wanda ke ba da gami sunansa.Koyaya, flake a cikin simintin ƙarfe yana haifar da ƙarancin ƙarancin ƙarfe.Za a iya samun mafi kyawun ductility ta hanyar matrix ferrite.

Idan aka kwatanta da simintin ƙarfe, baƙin ƙarfe ductile yana da cikakkiyar fa'ida cikin ƙarfi.Ƙarfin jujjuyawar baƙin ƙarfe shine 60k, yayin da na simintin ƙarfe shine kawai 31k.Ƙarfin da ake samu na baƙin ƙarfe ductile shine 40k, amma simintin ƙarfe ba ya nuna ƙarfin amfanin gona kuma zai tsage a ƙarshe.

Ƙarfin baƙin ƙarfe ductile yana kama da na simintin ƙarfe.Iron ductile yana da ƙarfin yawan amfanin ƙasa.Ƙarfin mafi ƙasƙanci na baƙin ƙarfe ductile shine 40k, yayin da ƙarfin yawan amfanin ƙasa na simintin ƙarfe shine kawai 36k.A yawancin aikace-aikacen birni, kamar ruwa, ruwan gishiri, tururi, juriya na lalata da juriya na iskar shaka na ductile iron sun fi na simintin ƙarfe.Iron ductile kuma an san shi da ƙarfe graphite spheroidal.Saboda spheroidal graphite microstructure, ductile iron ya fi simintin simintin ƙarfe a cikin girgizar girgiza, don haka ya fi dacewa don rage damuwa.Wani muhimmin dalili na zabar ductile baƙin ƙarfe a matsayin bawul abu shi ne cewa yana da ƙananan farashi fiye da simintin ƙarfe.Ƙananan farashin ƙarfe na ductile yana sa wannan abu ya fi shahara.Bayan haka, zabar baƙin ƙarfe na ductile zai iya rage farashin injin.