Icyuma cyo guhinga cy'imashini z'ubuhinzi gifite imbaraga nyinshi, icyuma gihindagurika cya manganese, kidashira kandi kiramba
Umuhinzi ni igikoresho cyihariye cyo kuvugurura ubutaka bw'ubuhinzi no kubuhinga mu buryo bwimbitse. Yakozwe mu cyuma cyiza cyane cya manganese alloy binyuze mu buryo bwihariye bwo gucukura, ifite ubukana budasanzwe, idashira, kandi ikagira imbaraga zo kuyitera. Ica mu butaka bukomeye kandi butoshye, ikamenagura neza ibihuru n'ibice by'ibimera. Imiterere yayo y'ubuso bugororotse igabanya cyane ubukana bwo guhinga, ikongera ubushobozi bwo gukurura, kandi igabanya cyane ikoreshwa ry'ibicanwa.
Ubuso bw'icyuma bukorerwaho umuti wihariye wo kurwanya ingese, bigatuma kidatwarwa n'ingese kandi kigatanga ubuzima bwiza burenze kure ubw'icyuma gisanzwe. Inguni y'icyuma ihamye ituma ubutaka buhinduka neza kandi bugacikamo ibice, bigatuma ubutaka burushaho kugabanuka kandi bugatera imbuto nziza, zoroshye kandi zigororotse zo gutera nyuma. Imiterere y'icyuma gihuza ibintu ikoreshwa mu buryo butandukanye ihuza ubwoko bwinshi bw'ibikoresho bisimburana, ibikoresho bigabanya ubutaka, n'ibikoresho bigabanya ubushyuhe, bigatuma kuyishyiraho byihuse kandi byoroshye.
Icuma cyo mu bwoko bwa alloy cyangwa Boron Steel cyo mu rwego rwo hejuru cya 65Mn gikoreshwa, gifite ubukana bwinshi cyane, kidashira kandi kidapfa kwangirika. Nyuma yo gushyushya byihariye (kuzimya + gushyushya), ubukana n'ubukana bw'icyuma birangana neza.











