Technical SPECs
Typical specifications of ceramic rings include:
| Property | Specification |
|---|---|
| Material | Alumina / Zirconia / SiC / AlN |
| Density | 3.6–6.0 g/cm³ |
| Hardness | HV 1200–1500 |
| Max Temperature | up to 1600°C |
| Surface Roughness | Ra 0.2–0.8 μm |
| Tolerance | ±0.01 mm |
(Custom specifications available upon request)
Professional ceramic ring supplier in China
Ceramic rings are widely used in industrial equipment due to their excellent wear resistance, high temperature stability, and chemical corrosion resistance. Compared with metal components, ceramic rings provide superior durability and long-term performance in demanding environments.
Advanced ceramic materials such as alumina, zirconia, silicon carbide, and aluminum nitride allow ceramic rings to operate reliably in high-temperature, high-pressure, and corrosive conditions.
Different ceramic materials provide different performance characteristics. Choosing the right ceramic ring material depends on the operating environment and application requirements.
| Material | Key Advantages | Typical Applications |
|---|---|---|
| Alumina | High hardness, wear resistance | Pumps, valves |
| Zirconia | High toughness, strength | Precision mechanical parts |
| Silicon Carbide | High temperature resistance | Industrial equipment |
| Aluminum Nitride | High thermal conductivity | Electronics |
At JH Ceramics, we manufacture precision industrial ceramic rings for applications including pumps, valves, electronic equipment, mechanical seals, and high-temperature systems.
Custom sizes, materials, and surface finishing can be produced according to customer requirements.
Ceramic Rings By Features and Material
We offer ceramic rings made from various materials, each exhibiting distinct characteristics suited to different operating environments. The typical dimensions of our ceramic rings are: OD 40 mm, ID 20 mm, and Thickness 10 mm.
High hardness, excellent wear resistance, and good electrical insulation.
High thermal conductivity with excellent electrical insulation.
Outstanding thermal conductivity and high temperature resistance.
Custom dimensions:：OD 250 mm, ID 190 mm, and thickness 15 mm.
Custom-made structural ceramic rings for engineering equipment.
Ceramic rings for mechanical seals in pumps and valves.
Key Advantages of Ceramic Rings
Ceramic rings offer several advantages compared with conventional metal components.
Advanced ceramics have extremely high hardness, providing outstanding resistance to abrasion and wear.
Ceramic materials can operate at temperatures far beyond the limits of most metals.
Ceramics are highly resistant to chemical corrosion and oxidation.
Many ceramic materials provide excellent electrical insulation properties.
Due to their superior durability, ceramic rings often last significantly longer than metal alternatives.
More About Ceramic Ring
Further information regarding ceramic rings can be obtained by comparing them with metal rings and ceramic washers.
- Ceramic Ring vs Metal Ring
- Ceramic Ring vs Ceramic Washer
Due to certain superior properties, ceramic rings have replaced metal rings in most working environments.
| Property | Ceramic Rings | Metal Rings |
|---|---|---|
| Hardness | Very High | Medium |
| Wear Resistance | Excellent | Moderate |
| Corrosion Resistance | Excellent | Limited |
| High Temperature Stability | Excellent | Limited |
| Electrical Insulation | Excellent | Conductive |
Ceramic rings and ceramic washers are similar in appearance—both being circular ceramic components with a central hole—yet they exhibit distinct differences in their design intent, dimensional characteristics, application scenarios, and functionality.
| Item | Ceramic Ring | Ceramic Washer |
|---|---|---|
| Definition | Annular ceramic structural components, used as functional parts in industrial equipment. | Thin Ceramic Gaskets for Bolt or Fastening Systems |
| Diameter Ratio | The difference between the inner and outer diameters is significant. | The difference between the inner and outer diameters is relatively small. |
| Main Function | Sealing, wear resistance, insulation, structural support | Distributes pressure, provides insulation, prevents surface damage. |
| Thickness | Typically thicker | Typically thinner |
| Structural Complexity | Precision machining may be required. | Simple structure, low processing requirements. |
Related Product
Manufacturing Capabilities
At JH Ceramics, we provide complete manufacturing solutions for ceramic rings.
Our capabilities include:
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advanced ceramic material forming
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precision CNC ceramic machining
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grinding and polishing
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laser machining
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ceramic metallization
Custom ceramic ring production is available according to drawings or samples.
Ceramic washers are thin ceramic spacers used with bolts or screws. If you are looking for insulating washers, visit our ceramic washer.
Ceramic rings are commonly used in pumps, valves, sealing systems, electronic devices, and high-temperature industrial equipment.
In many industrial environments, ceramic rings provide better wear resistance, corrosion resistance, and high-temperature stability compared with metal rings.
Yes. Ceramic rings can be manufactured in custom sizes, materials, and tolerances according to customer requirements.
Common materials include alumina, zirconia, silicon carbide, and aluminum nitride.