Babban aikin zafin jiki: saboda kyawawan hawan zazzabi da juriya na iskar shaka iri ɗaya kamar kifaye, masu ƙonewa da kayan aikin petrochemical.
Masana'antar keymer: 347 bakin karfe yana nuna kyakkyawan lalata juriya a cikin acidic, don haka ana amfani da shi don kera kayayyaki na amsawar, bututun ajiya, bututun ajiya, bututun ajiya, bututun ajiya, bawuloli da sauran kayan aiki.
Masana'antar mai da gas: Saboda tsananin juriya da zazzabi, an yi amfani da bakin ciki da gas don bututun mai, ma'aurata da kuma jigilar kayayyaki.
Masana'antar sarrafa kayan abinci: 347 bakin karfe yana da juriya na lalata da hygienic, sau da yawa ana amfani da shi a cikin kayan sarrafa abinci, kamar kayan abinci, belun abinci, da sauransu.
Masana'antar da ke nukiliya: Masu amfani da makaman nukiliya da tsarin masu sanyaya suna amfani da tsire-tsire masu ƙarfin lantarki don haduwa da bukatun babban zazzabi, babban matsin lamba da kuma mahalli mai amfani da rediyo.
Jirgin sama da Aerospace: 347 karfe kuma ya dace da kera kayan aikin zazzabi a cikin jirgin sama da Aerospace saboda kyakkyawan kayan aikin injin da juriya da zazzabi.
Grades masu dacewa na bakin karfe 347 (unce S34700) A cikin kasashe daban-daban sune kamar haka: S3470018 (tsohuwar aji)
