Akwai daban-daban dabara da online kalkuleta cewa bari mutum sauƙi lissafin bakin karfe nauyi.

Bakin karfe an kasafta shi a karkashin nau'i 5 kuma waɗannan sun haɗa da jerin bakin karfe 200 da 300 waɗanda aka fi sani da austenitic bakin karfe.Sa'an nan akwai jerin 400, waɗanda su ne ferritic bakin karfe.Ana kiran jerin 400 da jerin 500 martensitic bakin karfe.Sannan akwai nau'ikan PH na bakin karfe, wanda shine hazo hardening sa bakin karfe.

Kuma a ƙarshe, akwai cakuda baƙin ƙarfe na ferritic da austenitic, waɗanda aka sani da duplex bakin karfe.