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High hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, such as a series of excellent performance, especially its high hardness and wear resistance, it will essentially unchanged even if the temperature at 500 ℃, when the hardness is still high at 1000 ℃. Mainly used in mechanical seal rings, bearing sets.
Tungsten Carbide (TC) is one of the most versatile materials available for wear parts. It gives the following benefits:
· High hardness and mechanical strength
· Superior wear resistance
· Good corrosion resistance
· Easily withstands abrasive services
· (Good fracture toughness)


Two primary grades of tungsten carbide are available - Nickel bonded TC and Cobalt bonded TC:
· 6% Nickel bonded TC, gives enhanced corrosion resistance
· 6% Cobalt bonded TC, provides higher hardness and better abrasion resistance.

Parameter, unit

Tungsten Carbide

Density 

14.50~15.00

Hardness 

88~91

Bending Strength 

≥1,470

Flexural Strength (Gpa) 

400

Elastic Modulus 

380~410

Fracture Toughness(MN/M) 

12

Thermal Conductivity (W/m.K) 

110

Thermal Expansion Coefficient (I/℃) 

5.5×10-6(RT~400℃)

Heat resistance(in the air), 

900℃

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