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| 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 |
Tungsten Carbide Balls Information Page |
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Stock Availability
| |
Available
Stock Sizes |
Roundness
Dia. Tol/Ball |
Basic Dia.
Tolerance |
Surface
Finish |
| Ball Grade |
Inches |
Inches |
Inches |
Micro Inch |
| 25 |
1/64 - 1 |
.000025 |
±.0001 |
1.5 |
| 25 |
.050 - .6250 |
.000025 |
±.0001 |
1.5 |
| Master |
1/16 - 1 |
.000010 |
±.000010 |
1.0 |
| Master |
1 - 25mm |
.2 microns |
±.3 microns |
1.0 |
Tungsten Carbide Balls Information Page |
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Precision Balls Directory - for a complete precision balls guide - click here
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