Project Description
Do you know well about Tungsten Carbide Balls ?
Definition :
Tungsten Carbide Ball: commonly known as tungsten carbide beads,tungsten carbide sphere, hard alloy ball, refers to a ball made from WC powder with binders like colbalt, nickel, etc..
Properties:
Carbide ball is famous for its high hardness, wear resistance, corrosion resistance, and bending resistance. Therefore, it’s ideal for applications where extreme conditions must be served.

Miller is an ISO certified professional manufacturer for tungsten carbide balls since 2008.
we have 181 workers and capabilities of 100 metric ton per month to ensure on time delivery with stable quality.
Types :3 main types of tungsten carbide balls Miller manufactured
1.Tungsten carbide precision balls- G5/G10/G25 grade Mainly applied for oil sealing, bearing ball, metering and milling industry.

Tolerances: AFBMA Ball Tolerances Table
Grade | Sphericity in inches | Sphericity in mm | Basic Diameter Tolerance in inches | Basic Diameter 2 in mm | Maximun Surface Roughness |
---|---|---|---|---|---|
G3 | 0.000003" | 0.0000762mm | +/-0.00003" | +/-0.000762mm | 0.5 |
G5 | 0.000005" | 0.000127mm | +/-0.00005" | +/-0.00127mm | 0.8 |
G10 | 0.000010" | 0.000254mm | +/-0.0001" | +/-0.00254mm | 1 |
G25 | 0.000025" | 0.000635mm | +/-0.0001" | +/-0.00254mm | 2 |
G50 | 0.000050" | 0.00127mm | +/-0.0002" | +/-0.00508mm | 3 |
G100 | 0.0001" | 0.00254mm | +/-0.0005" | +/-0.0127mm | 5 |
G200 | 0.0002" | 0.00508mm | +/-0.001" | +/-0.0254mm | 8 |
G500 | 0.0005" | 0.0127mm | +/-0.002" | +/-0.0508mm | |
G1000 | 0.001" | 0.0254mm | +/-0.005" | +/-0.127mm |
2.Semi-finished carbide ball without band round ground ball. mainly used for milling industry, shots

3. Tungsten carbide ball blanks : It is sintered ball( unground )mainly used for milling industry.

Grade: Miller manufactured 4 main grade ( chemical composition) of carbide balls
WC92% + 8% Co (In request of more wear-resistance, we suggest to use WC-Co grades. )
WC92% + 8% Ni (In most corrosion-wear situations, an optimum choice is the WC-Ni grades, which are resistant down to pH 2 to 3.)
W85%-97%+Ni+Fe Tungsten balls (Density 15.5-18.5g/cm3, mostly are used in the firld of shots and counterweight. such as the fish pendant, Oil drilling balance,Ball valves and bearings,Shotgun bullet,Armor-piercing bullet…)
W99.95%Pure tungsten balls (Density 19.0-19.2g/cm3, mostly are used in Aerospace, aviation, electrical Instrumentation,labiratory…)
Application :
Extremely good wear resistance and dimensional stability make tungsten carbide balls the preferred choice for grinding/milling media, precision hydraulic valves, high-load bearings, ball screws, linear bearings in slideways, gauging and checking instruments, and meters.

As a professional tungsten carbide balls producer ,Miller carbide keep stock of 0.4mm to 20mm in metric, 1/16″ to 1-1/4″ in inch tungsten carbide balls for your on time delivery.
Miller Tungsten Carbide Ball Size List in Stock
Stock Size in Metric Stock Size in Inch Precision Balls in Stock Ball blanks in Stock 0.4mm 1/16" G10/G25 0.5mm 3/32" G10/G25 0.6mm 1/8" G10/G25 0.7mm 5/32" G10/G25 0.8mm 3/16" G10/G25 1.0mm 7/32" G10/G25 YES 1.5mm 15/64" G10/G25 2.0mm 1/4" G10/G25 YES 2.5mm 17/64" G10/G25 3.0mm 9/32" G10/G25 YES 3.5mm 5/16" G10/G25 4.0mm 11/32" G10/G25 YES 4.5mm 3/8" G10/G25 5mm 13/32" G10/G25 YES 5.5mm 7/16" G10/G25 6.0mm 15/32" G10/G25 YES 6.5mm 31/64" G10/G25 7mm 1/2" G10/G25 7.5mm 17/32" G10/G25 8.0mm 9/16" G10/G25 YES 8.5mm 5/8" G10/G25 9.0mm 21/32" G10/G25 9.5mm 11/16" G10/G25 10.0mm 3/4" G10/G25 YES 10.5mm 7/8" G10/G25 11mm 1" G10/G25 11.5mm 1-1/8" G10/G25 12.0mm 1-1/4" G10/G25 YES 12.5mm G10/G25 13mm G10/G25 13.5mm G10/G25 14.0mm G10/G25 YES 14.5mm G10/G25 15.0mm G10/G25 15.5mm G10/G25 16.0mm G10/G25 YES 16.5mm G10/G25 17mm G10/G25 17.5mm G10/G25 18.0mm G10/G25 YES 18.5mm G10/G25 19.5mm G10/G25 20mm G10/G25 YES