Our tungsten carbide seal rings are widely used as seal faces with resistant-wearing, high fractural strength, high thermal conductivity, small heat expansion co-efficient. It is the best material to resist heat and fracture in all hard face materials.
APTS manufactures Rings in various shapes like Plain Ring, DA type, T-shape, L-shape and in shapes as per customers' drawings.
Tungsten Carbide Rings are generally made with Cobalt as binder material. Nickel bonded Rings also can be supplied.
ISO K10 (APTS Co6X)  
ISO K20 (APTS Co6)  
ISO K30 (APTS Co8)  
APTS Co8 I  
APTS Ni 6  
APTS Ni 8  

For more detail property of the material, pls feel free to contact us.