Insimbi engagqwali ngokusho kokusetshenziswa kwezindlela zokucubungula ihlukaniswe: insimbi yokucubungula ingcindezi nokusika insimbi yokucubungula; Ngokwezici zezicubu, ingahlukaniswa ngezinhlobo ezinhlanu: uhlobo lwe-austenitic, uhlobo lwe-austenite-ferritic, uhlobo lwe-ferritic, uhlobo lwe-martensitic kanye nohlobo oluqinisa imvula.