Ibyuma bya Maschio bigurishwa mu ruganda, Ibyuma bya fermenter, Ibyuma by'ubuhinzi bya fermenter, Ibyuma bya fermenter 60si2mn.6×70-12.5-44

Ibyuma byo guhinga ni igikoresho cy'icyuma cyagenewe ubuhinzi, gikoreshwa cyane cyane mu guhinga bizunguruka. Inshingano yacyo y'ingenzi ni ukumenagura ubutaka, gukuraho ibyatsi bibi, no guhinga ubutaka. Hashingiwe ku tandukaniro ry'imiterere, gishobora gushyirwa mu cyiciro cy'icyuma cyo guhinga gifite ishusho ya C n'icyuma cyo guhinga gifite ishusho ya L. Ibikoresho ubusanzwe ni icyuma cyihariye cya 65Mn cyangwa 60Si2Mn, gifite ubukana bwa HRC 42-48. Gifite kandi ubushobozi bwo kwangirika no kudakora neza.