Zvinhu Zvinodiwa
Zvinhu zvebrake disc zvinotora nyika yangu grey cast iron 250 standard, inonzi HT250, iyo yakaenzana neAmerican G3000 standard. Zvinodiwa zvezvinhu zvitatu zvakakosha zvemakemikari ekugadzirisa ndezvi: C: 3.1∽3.4 Si: 1.9∽2.3 Mn: 0.6∽0.9. Mechanical kuita zvinodiwa: tensile simba>=206MPa, kukotama simba>=1000MPa, deflection>=5.1mm, kuoma zvinodiwa pakati:187∽241HBS.