Bakin karfe nayan ƙarfe na baƙin ƙarfe ne wanda yake mai tsayayya da tsatsa. Ya ƙunshi aƙalla ɓararru 11% kuma na iya ƙunsar abubuwa masu amfani kamar carbon, wasu abubuwan da ba a rubuce-rubucen su ba don sauran kayan da ake so. Bakin karfe mai juriya ga sakamako na lalata, wanda yake samar da fim ɗin m wanda zai iya kare kayan da warkarwa a gaban oxygen. A cikin masana'antar abinci da masana'antu na abinci, ana amfani da bakin karfe don ƙirƙirar kayan haɗin kitchen, cookware, da cutery. Abubuwan da aka yi kamar saƙa ana yin amfani da mafi ƙarancin dunkulukan ƙarfe na bakin karfe. Ana amfani da ƙarin dunkulewar durlile don yin gasa, masu da'awa, miya, miya, da nutsewa.