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tungsten carbide pins
Pin :
chemical composition: in the range from WC-92%+Co-8%(YG8)
Density(g/cm3):13.0-13.5
HRA≥89(1300HV30)
TRS(N/MM2):1660
Porosity(ISO)≤A02B02
Free carbon and graphite phase≤C00
N Phase;E00
Average grain size(um):1.2-1.8
Riley stoker∴71+/-7.5
Pin color;black
cracks and chips on pins are not allowed
Body
material:low-alloy structure steel or zinc
protective coating:zinc
color:Orchid white
no cracks, signs of corrosion and tarnishing ,zinc coating detachmnet
cemented carbide rubber tyre nails
