customized multi step flange studs JX8-12-3 winter tire stud
1. Nail core
Chemical composition: WC,Co
Density (g/cm3): 10.0-14.0
Hardness:> 1380 HV30
Bending strength (N/MM2): 1660
Porosity (ISO):
Free carbon and graphite phases:
Metallography: A04B02C02E00
Grain size (um): 1.2-2.0
Wear resistance index: 71 ± 7.5
Nail core color: black
2. Nail cover
Material: Low carbon steel
Surface treatment: Galvanized (with no cracks, corrosion, and no separation of zinc coating on the surface.)