Product Description
Ball Size:from 0.3mm to 75.0mm, Special size customization is available,
Factory/manufacturer: Supplied from KN STEEL BALL, a professional producer in China with 20 years experiene.
Introduction
Zirconium balls are with high strength, high fracture toughness, a large proportion of the wear-resistant, ppm wear grade, high hardness, corrosion resistance, ultra-smooth surface features and etc.
TZP grinding media with very low wear and high fracture toughness is widely applicable to various grinding and dispersion conditions, and to ensure the product's purity and life.
Specification:
| Items |
Unit |
Data |
| Composition |
wt% |
94.8% ZrO2 |
| 5.2% Y2O3 |
| Packed Density |
Kg/L |
3.5(Φ5mm) |
| Specific Density |
g/cm3 |
5.95-6.00 |
| Hardness(HV) |
GPa |
>11 |
| Elastic modulus |
GPa |
200 |
| Thermal Conductivity |
W/m.K |
3 |
| Crushing strength |
KN |
≥20 (Φ7mm) |
| Fracture Toughness |
MP am1/2 |
8 |
| Grain size |
μm |
≤0.5 |
| Size:ф0.8,ф1.0,ф1.2,ф1.4,ф2,ф3,ф5,ф6.5,ф7,ф8.5,ф10,ф12,ф15,ф20,ф25,ф30 |
Introduction to Silicon Nitride Ball Materials:
1. Corrosion resistant strong acids, strong alkalis, and can be used in seawater.
2. High temperature resistance, the strength and hardness of silicon nitride ceramic balls remain almost unchanged at 800 ºC.
3. It can also be used in insulation, non-magnetic, and magnetic fields.
4. Lightweight, 1/4 lighter than general material bearings, with a density of 3.20g/cm3.
5. The weight of the rotating body (ball) is light, and the eccentricity is small during rotation.
6. The coefficient of linear expansion is 3.2 × 10-6/K, which is 1/4 of the bearing steel.
7. High wear resistance, suitable for grinding high-purity powder materials.
Application fields of silicon nitride ceramic balls:
1. Angular contact bearings, vacuum bearings, medical bearings, high/low temperature bearings, all ceramic bearings, hybrid bearings.
2. Valve sealing.
3. Grinding media.
4. High precision ball screw.
5. Chemical pumps, high-temperature pumps, and metering pumps in the chemical industry.
6. Metallurgy, healthcare, food, oil fields, electronics.
Ball Brand: KN STEEL BALL
Application: For precsion measure meters, ball pens production, bearing production, linear slider production,mobile photo etc.
Packing: in plastic bag, then in box, then in carton, then in wooden case. Or special packing requied by client.
Delivery terms: usually 30 days for non-stocked balls. And 5 days for stocked balls
Quality certificate and material certificate would be issued before each shipping.
PPAP, Control Plan is available for bulk purchase for high precsion steel balls
Sample confirmation before payment/shipping is available, free, by KN STEEL BALL.
We have great advantage from 0.5mm to 3.5mm balls prodctuion
Ball inspection in strict control
Inspector: Fanying Check: Menghua
Customized balls are available for material, size, quaity grade and packing
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