High quality tungsten carbide roll rings for rolling mill are widely used as seal faces with resistant-wearing, high fracturing strength, high thermal conductivity, small thermal expansion coefficient. It is the best material to resist heat and fracture in all hard face materials.
Property:
1. High hardness & good wear resistance. Normal hardness reaches HRA 78-89, under temperature 600 ,beyond hardness of high speed steel
2. High elasticity modulus
3. High mechanical strength, compressive strength is up to 6000MN/M2
4. High density
5. Good thermal conductivity
6. Good corrosion& oxidation resistance
