Amfani da masana'antubakin karfebisa ga metallographic kungiyar za a iya raba uku Categories: ferritic bakin karfe, martensitic bakin karfe, austenitic bakin karfe. Zai iya zama halayen waɗannan nau'ikan baƙin ƙarfe guda uku (kamar yadda aka nuna a cikin tebur da ke ƙasa), amma ya kamata a lura cewa Martension bakin karfe ba za a iya welded, amma kawai ta wasu yanayi, kamar waldi kawai ya kamata preheated bayan waldi ya kamata ya zama babban zafin jiki mai zafi don haka tsarin walda ya fi rikitarwa. Ainihin samar da wasu bakin karfe na martensitic kamar 1Cr13, 2Cr13 da 2Cr13 da 45 karfe walda ko fiye.

Ferritic bakin karfe kuma na chrome bakin karfe ne
Low carbon abun ciki, anti-tsari, nitric acid da saline bayani lalata ikon, high zafin jiki hadawan abu da iskar shaka juriya da sauransu. An fi amfani dashi wajen samar da kayan aikin sinadarai a cikin akwati, bututu.

Austenitic bakin karfe shine chrome nickel bakin karfe
Yana da babban juriya na lalata, kyakkyawan filastik, kyakkyawan walƙiya da ƙarancin zafin jiki, ba su da maganadisu, mai sauƙin aiki mai ƙarfi. An fi amfani dashi a cikin aikin watsa labarai mai lalata a cikin sassa, kwantena, bututu, kayan aikin likita da yanayin anti-magnetic.