Bakin karfe
Mataki na 304 shine ya fi kowa a cikin maki ukun. Yana ba da kyakkyawan juriya na lalata yayin kiyayewatsarikumaweldability. Akwaiyana gamawasune #2B, #3, da #4. Babu digiri na 303 a cikin takarda.
Grade 316 yana da ƙarin juriya da ƙarfi a yanayin zafi sama da 304. Ana amfani da shi sosai donfamfo,bawuloli, kayan aikin sinadarai, da aikace-aikacen ruwa. Abubuwan da aka gama sune #2B, #3, da #4.
Darasi na 410 azafi maganibakin karfe, amma yana da ƙananan juriya na lalata fiye da sauran maki. Ana yawan amfani dashi a cikikayan yanka. Ƙarewar da ake samu ita ce mara nauyi.
Grade 430 sanannen daraja ne, madadin farashi mai rahusa zuwa jerin maki 300. Ana amfani da wannan lokacin babban juriya na lalata ba shine ma'auni na farko ba. Daraja gama gari don samfuran kayan aiki, galibi tare da goge goge.
Lokacin aikawa: Janairu-19-2020