Silicon Carbide Ball

SiC balls are manufactured by using powder metallurgy techniques, including pressure sintering or vacuum sintering. They have an ultra-dense and sturdy structure. This allows them to maintain long-term performance even under extreme mechanical and thermal stresses. Whether used in high-speed machinery or corrosive chemical devices, silicon carbide balls provide precision, reliability, and exceptional service life that surpass traditional metal alternatives.

Silicon Carbide Ball should be stored in a dry indoor environment with intact packaging to prevent moisture and contamination. Avoid direct sunlight and place cartons or bulk bags on pallets off the ground. Steel drums should be protected from water accumulation and corrosion. For long-term storage, cover with dustproof fabric and periodically check packaging integrity. If stored for extended periods, clean with anhydrous alcohol before use and handle with gloves to maintain surface cleanliness.

Compared to steel and alumina balls, silicon carbide balls provide a better combination of mechanical and thermal performance. Silicon carbide balls have a Vickers hardness of over 24.5 GPa, while steel has about 8 GPa, and alumina has around 14.5 GPa. So, silicon carbide balls are much more wear-resistant. Their compressive strength exceeds 2250 MPa, and their elastic modulus is over 430 GPa. This enables them to maintain their shape under extreme loads.

SiC balls also has a lower thermal expansion (4.09 × 10⁻⁶/°C) than alumina (6.8 × 10⁻⁶/°C) and steel (12 × 10⁻⁶/°C). This reduces thermal deformation in precision environments. Additionally, Silicon carbide balls are chemically inert and much lighter than steel (density >3.1 g/cm³ vs ~7.8). This makes them ideal for high-speed bearings, semiconductor manufacturing, chemical valves and aerospace systems.

Ceramic balls are widely used across multiple industries for their exceptional material characteristics that outperform traditional options like steel. They are ideal for specific high-demand applications:

Bearings (Hybrid and Full Ceramic)
One of the most prevalent uses of ceramic balls.
Advantages: They offer reduced friction and support higher rotational speeds. Additional benefits include enhanced stiffness, electrical insulation to prevent arcing, superior corrosion resistance, longer service life under extreme conditions, and high-temperature tolerance.

Grinding and Milling Media
Utilized inside industrial mills for grinding or dispersing materials.
Advantages: Their high hardness and density allow for effective grinding, while excellent wear resistance minimizes product contamination and prolongs media lifespan. Their chemical inertness ensures stable performance across a variety of materials.

Valves (Check Valves, Ball Valves)
Serve as sealing elements in valve assemblies.
Advantages: Resist aggressive chemicals, maintain wear resistance under abrasive flow, and remain operational at elevated temperatures.

Yes. In many applications, silicon carbide balls are a feasible substitute for stainless steel. SiC offers corrosion resistance, extreme hardness and excellent wear performance. SiC balls are ideal for handling corrosive and abrasive fluids. Its lighter weight also reduces stress on bearings and seals in high-speed systems, improving efficiency and stability.

Though SiC balls are high-cost and brittle, their durability makes them more economical than stainless steel ones. For corrosive, abrasive or high-temperature pumps and valves, SiC balls are a better choice.

Yes. Based on the needs, Newthink provides customization for the purity, size and precision. Extreme corrosion resistance, high temperature stability, or ultra-smooth surfaces for precision bearings. We will work with you to make the product meet your industry standards and needs. If interested, contact us with your drawings or requirements.