Grinding Balls & Other Grinding Media

GRINDING MEDIA SPECIFICATIONS

Click on the Grinding Media to view specifications.
Note: Sizes shown in red indicate media that is recommended for use in bead mills except where stated otherwise.

Metallic
Carbon Steel
Carbon Steel
Grinding Balls
CARBON STEEL GRINDING BALLS
(SAE 1065–through-hardened)
Specific Gravity: 7.8
Hardness: ROCKWELL C 60–62
Relative Cost: Low
Sizes Available: 1/8", 3/16", 1/4", 5/16", 3/8", 1/2"


Request a Grinding Media quote
Chrome Steel
Chrome Steel
Grinding Balls
CHROME STEEL GRINDING BALLS
(SAE 52100)
Specific Gravity: 7.8
Hardness: ROCKWELL C 62–66
Relative Cost: Low to Moderate
Sizes Available: 1mm, 1.59mm, 2mm
1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8",
1/2", 3/4", 1", 2mm, 2.38mm, 3.2mm


Request a Grinding Media quote
Stainless Steel
Stainless Steel
Grinding Balls
STAINLESS STEEL GRINDING BALLS
(AISI 440-C)
Specific Gravity: 7.7
Hardness: ROCKWELL C 55–64
Relative Cost: Moderate
Sizes Available: 1/8", 5/32", 3/16", 7/32",
1/4", 5/16", 3/8", 1/2", 3/4", 1"


Request a Grinding Media quote
Steel Shot
Steel Shot,
Through-Hardened
STEEL SHOT, THROUGH-HARDENED
Specific Gravity: 7.7
Hardness: ROCKWELL C 55–60
Relative Cost: Low
Sizes Available: .25mm, .50mm, .71mm, .85mm,
1mm, 1.18mm, 1.40mm, 1.70mm, 2mm

2.36mm, 2.80


Request a Grinding Media quote
Non-Metallic
Alumina
Alumina
ALUMINA    
99.9% Balls
Specific Gravity:
3.9236
Hardness: Hv 1750 kg/mm2
Relative Cost: Moderate
Sizes Available: 0.2mm, 0.5mm
1mm, 2mm, 3mm, 5mm, 10mm
  99.5% Balls
Specific Gravity:
3.4–3.7
Hardness: Hv 1350 kg/mm2
Relative Cost: Moderate
Sizes Available: 0.2mm, 0.3mm, 0.5mm
1mm, 2mm, 3mm, 5mm, 8mm, 10mm, 15mm, 20mm
  99.8% Satellites
Specific Gravity:
3.4 - 3.7
Hardness: ROCKWELL 45N 78-79
Relative Cost: Low
Sizes Available: 1/4"
         
94% Satellites
Specific Gravity:
3.4–3.7
Hardness: Hv 1200 kg/mm2
Relative Cost: Low to Moderate
Sizes Available: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 13mm, 15mm, 20mm
  90% Satellites
Specific Gravity:
3.4–3.7
Hardness: ROCKWELL 45N 75
Relative Cost: Low
Sizes Available: 3mm, 7/32", 1/4", 3/8", 1/2"
  Request a Grinding Media quote
Ceramic
Ceramic (Steatite)
Satellites
CERAMIC (STEATITE) SATELLITES
Specific Gravity: 2.6-2.7
Hardness: ROCKWELL 45N 60-65
Relative Cost: Low to Moderate
Sizes Available: 1/4", 5/16", 3/8", 1/2"

Request a Grinding Media quote
Glass
Glass Beads
(Lead Free)
GLASS BEADS (LEAD FREE)
Specific Gravity: 2.5
Hardness: KNOOP 515 kg/mm2
Relative Cost: Low
Sizes Available: 0.4–0.6mm, 0.5–0.75mm, 0.6–0.8mm,
0.75–1.0mm,0.8–1.0mm, 1.0–1.2mm, 1.0–1.25mm,
1.1–1.3mm, 1.2–1.4mm, 1.25–1.55mm, 1.4–1.6mm,
1.55–1.85mm, 1.6–1.8mm, 1.7–2.0mm, 1.8–2.0mm

2.0–2.3mm, 2.0–2.4mm, 2.3–2.6mm, 2.3–2.7mm,
2.5–2.85mm, 2.8–3.2mm, 2.85–3.3mm, 3.2–3.8mm,
3.3–3.6mm, 3.6–4.1mm, 3.7–4.3mm, 4.2–4.8mm,
4.7–5.3mm, 5.0mm, 5.7–6.3mm, 6.0mm, 6.7–7.3mm,
7.0mm, 7.6–8.4mm, 8.0mm, 8.6–9.4mm, 9.0mm,
9.5–10.5mm, 10mm, 10.5–11.5mm, 12mm, 14mm,
15mm, 16mm

Request a Grinding Media quote
Nylon
Nylon Pellets
NYLON PELLETS
Specific Gravity: 0.7-1.2
Relative Cost: Low to Moderate
Sizes Available: 1/8"

Request a Grinding Media quote
Silicon Carbide
Silicon Carbide
Satellites
SILICON CARBIDE SATELLITES
Specific Gravity: 3.1
Hardness: KNOOP 2800 kg/mm2
Relative Cost: Very High
Sizes Available: 3/16", 1/4"

Request a Grinding Media quote
Silicon Nitride
Silicon Nitride Balls
SILICON NITRIDE BALLS
Specific Gravity: 3.2
Hardness: Hv 1400-1500 kg/mm2
Relative Cost: Very High
Sizes Available: 0.5mm, 0.8mm, 1mm
2mm, 3mm, 5mm, 10mm, 15mm, 20mm, 25mm

Request a Grinding Media quote
Tungsten Carbide
Tungsten Carbide
Satellites
TUNGSTEN CARBIDE SATELLITES
Specific Gravity: 14.4-14.8
Hardness: 88-89HRA
Relative Cost: Moderate to High
Sizes Available: 3/32", 1/8", 5/32", 3/16",
7/32", 1/4", 9/32", 5/16", 3/8", 7/16", 1/2"
Note: some smaller sizes available upon request

Request a Grinding Media quote
Zirconium Oxide Y203 95% Balls
Zirconium Oxide - 95%,
High-Purity
(Y203 stabilized) Balls
ZIRCONIUM OXIDE (Y203 STABILIZED)
95% Balls
Specific Gravity: 6.0
Hardness: Hv 1280 kg/mm2
Relative Cost: High
Sizes Available: 0.2mm, 0.3mm, 0.4mm, 0.5mm,
0.65mm, 0.8mm, 1mm, 1.25mm, 1.5mm, 1.75mm

2mm, 3mm, 5mm, 6mm, 8mm, 10mm, 20mm, 25mm

Request a Grinding Media quote
Zirconium Oxide Y203 93% Beads
Zirconium Oxide - 93%
(Y203 stabilized)
Beads – .8mm
ZIRCONIUM OXIDE (Y203 STABILIZED)
93% Beads
Specific Gravity: 6.0
Hardness: Hv 1280 kg/mm2
Relative Cost: High
Sizes Available: 0.1-0.5mm, 0.5–0.7mm, 0.7–0.9mm,
0.9–1.1mm, 1.1–1.4mm, 1.3–1.6mm, 1.5–1.9mm


Request a Grinding Media quote
93%
Zirconium Oxide Rare Earth
Zirconium Oxide
(CeO2 rare earth
stabilized)
ZIRCONIUM OXIDE (CeO2 RARE EARTH STABILIZED)
Sizes up to 3/16" are beads, 3/16" or larger are satellites
Specific Gravity: 6.0
Hardness: Hv 1150kg/mm2
Relative Cost: Moderate
Sizes Available: 0.4–0.6mm, 0.6–0.8mm, 0.8–1.0mm, 0.7–1.2mm,
1.0–1.2mm, 1.2–1.4mm, 1.4–1.6mm

1.7–2.4mm, 2.4–2.8mm, 2.8–3.3mm, 3/16", 1/4", 5/16". 6mm, 8mm,
10mm, 12.5mm, 16mm, 21mm, 26mm, 31mm

Request a Grinding Media quote
Zirconium Silicate
Zirconium Sillcate
Beads
ZIRCONIUM SILICATE
Specific Gravity: 3.85
Hardness: MOHS 7.0
Relative Cost: Moderate
Sizes Available: 0.1–0.2mm, 0.2–0.3mm, 0.3–0.4mm, 0.4–0.6mm,
0.6–0.8mm, 0.8–1.0mm, 1.0–1.25mm, 1.25mm. 1,25–1.6mm, 1.6–2.0mm

2.0–2.5mm, 2.5–2.8mm, 2.5–3.15mm


Request a Grinding Media quote
 
Note: Other shapes including balcones, cylinders and diagonals are available upon request.