Q 355b icyapa
Ibisobanuro bigufi:
Q355b nini ya diametre nini yurukuta rwicyuma ni ubwoko bwibikoresho.Byakunze kwitwa umuyoboro w'icyuma udafite kashe.Ibirimo bya karubone bigera kuri 0.16%.Mn yakuweho kubera ubwinshi bwa manganese mubintu bitanu (C, Si, Mn, P, s).
Ibintu nyamukuru biranga umuyonga wibyuma: imikorere myiza yuzuye, ubushyuhe buke, imikorere ya kashe ikonje, imikorere yo gusudira hamwe na mashini.
