High-precision ceramic ball, also known as the fine ball. Because of its excellent characteristics, it has been widely used in various industries.
ApplicationsMainly used as valve ball, whole ceramic bearings, measuring ball, track ball, fine grinding ball, can be used for high temperature, corrosion resistance, insulation, magnetic, no lubrication and other occasions, is the ideal alternative to corrosion ball material. For the valve ball use, has been successfully used for high pressure homogenizer, diaphragm pumps, metering pumps, oil field pumps, high pressure spray gun and other equipment.
Specification2-101.6MM
Grade AvailabilityG3-G100
| Item | Unit | Si3N4 High Precision Ball |
| Density | g/cm3 | 3.23 |
| Water Absorption | % | 0 |
| Coefficient of linear thermal expan | 10-6/K | 3.2 |
| Modulus of elasticity (Young's Mod.) | Gpa | 300 |
| Poisson's Ratio | / | 0.26 |
| Hardness | Mpa | 1500 |
| Flexural Strength(@R.T.) | Mpa | 720 |
| Flexural Strength(700℃） | Mpa | 450 |
| Compressive Strength (@R.T.) | Mpa | 2300 |
| Fracture Toughness,KIC | Mpa.m1/2 | 6.2 |
| Thermal Conductivity(@R.T.) | W/m.k | 25 |
| Electrical Resistivity(@R.T.) | Ω mm2/m | >1013 |
| Max.Use Temperature (no loading) | ℃ | 1050 |
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