Tungsten Carbide (TC) Balls Chart

Material Analysis
Tungsten Carbide 93.5-94.5%
Cobalt 5.5-6.5%
Physical Properties
Specific Gravity 15.00 nominal
Density Approx. 0.54 lbs./in3
Mechanical Properties
Ultimate Tensile Strength 220 Kpsi nominal
Ultimate Compressive Strength 750-790 Kpsi
Transverse Rupture Strength 320-365 Kpsi
Hardness Rockwell A 89-92
Modulus of Elasticity 92,000-93,000 Kpsi
Poisson’s Ratio 0.26
Maximum Useful Temp 800°F
Magnetic Properties Slightly Magnetic

Stock Availability

  Available
Sizes
Roundness
Dia. Tol/Ball
Basic Dia.
Tolerance
Surface
Finish
Ball Grade Inches Inches Inches Micro Inch
24 1/64 – 1 .000025 ±.0001 1.5
24 .050 – .6250 .000025 ±.0001 1.5
Master 1/16 – 1 .000010 ±.000010 1.0
Master 1 – 25mm .2 microns ±.3 microns 1.0