Beeralayda Gaarka ah ee lagu xareeyo 65 Mn, 60Si2Mn, 30MnB5 Birta Boron oo leh Daaweynta Kulaylka iyo Rinjiyeynta
Majarafad-ka jebinta waa qaybta ugu muhiimsan ee jarista majarafadda looxa, oo leh naqshad dusha sare oo qaloocan oo qaab-qayb ah. Waxay ku xiran tahay jirka majarafadda iyada oo loo marayo qaybaha sida derbiga majarafadda iyo saldhigga majarafadda si loo gaaro shaqooyinka burburinta iyo rogidda ciidda.
Alaabada ugu muhiimsan: Bir 65Mn ah ama bir 60Si2Mn ah, oo adag oo u dhaxaysa HRC3 ilaa 49. Moodooyinka qaar ayaa la mariyay damin iyo hagaajin ama dahaar si loo xoojiyo iska caabbinta xirashada.
Iyada oo loo marayo teknoolojiyada been abuurka iyo daaweynta kulaylka, qaab-dhismeedka qaybta ayaa la hubiyaa inuu yahay mid isku dhafan oo deggan.














