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