Q355b farantin karfe
Takaitaccen Bayani:
Q355b babban diamita lokacin farin ciki bango karfe bututu ne wani irin abu.A da ana kiransa bututun ƙarfe mara sumul.Abubuwan da ke cikin carbon na karfe shine kusan 0.16%.An fitar da Mn daban saboda babban abun ciki na manganese a cikin abubuwa biyar (C, Si, Mn, P, s).
Babban halaye na kauri bango karfe bututu: mai kyau m yi, low zazzabi yi, sanyi stamping yi, waldi yi da machinability.