(1) high yawan amfanin ƙasa batu, high taurin, gagarumin sanyi hardening sakamako, sauki bayyana fasa da sauran lahani.
(2) rashin ingancin thermal conductivity fiye da talakawa carbon karfe, sakamakon da ake bukata nakasawa karfi, naushi karfi, jawo karfi.
(3) yayin zane, nakasar filastik yana da ƙarfi sosai, kuma takardar yana da sauƙin wrinkle ko faduwa.
(4) ƙirar zane mai zurfi yana da haɗari ga abin da ke faruwa na nodules na mannewa, wanda ya haifar da mummunan ra'ayi akan diamita na waje na sassan.
(5) lokacin zana zurfi, yana da wuya a kai ga siffar da ake tsammani.
An ƙaddara abin da ke sama ta hanyar aikin bakin karfe da kansa, wanda ya shafi abubuwa biyar masu zuwa:
Daya shine aikin albarkatun kasa;
Na biyu, tsarin da mold da stamping gudun;
Uku shine abu na mold;
Hudu shine ruwa mai yin hatimi;
Biyar shine tsari na hanyar tsari

Ƙarin bayanin macro na bakin karfe mai wadata don Allah ziyarci: https://www.hermessteel.net