Precision Tungsten Carbide Balls for Valves, Bearings, and Wear-Critical Systems
High-hardness carbide balls manufactured for sealing, rolling, metering, and severe wear applications that demand roundness, surface quality, and long operating life.
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Key Features & Benefits
Discover why our products are trusted by industries worldwide
Outstanding Wear Resistance
High hardness (HRA 87.0-91.5) ensures exceptional wear resistance for repeated contact, rolling, and sealing applications.
Precision Geometry
Precision diameter and roundness control for consistent assembly and reliable operating performance in critical applications.
Material Options
Available in WC-Co for general wear applications and WC-Ni for corrosive media environments.
Multiple Finish Levels
From standard ground to high-polish mirror surfaces, available as rough balls, precision ground balls, and mirror balls.
High Compressive Strength
Strong compressive performance suitable for high-pressure and heavy-load bearing applications.
Custom Specifications
Available with special features such as holes, grooves, or matched sets for specific application requirements.
Technical Specifications
Detailed parameters for your engineering requirements
| Material System | WC-Co / WC-Ni |
| Density | 13.8-14.9 g/cm³ |
| Hardness | HRA 87.0-91.5 |
| Product Forms | Rough Balls, Ground Balls, Mirror Balls |
| Surface Finish | Ground, Fine Polished, Mirror |
| Applications | Valves, Bearings, Metering, Wear Parts |
Application Areas
Versatile solutions across multiple industries
Valve & Check Valve Components
Ball valve cores, check valve balls, and sealing elements for pump valve systems requiring reliable sealing performance.
Bearings & Rolling Components
Specialized bearing assemblies and high-load rolling contact applications requiring precision ball geometry.
Flow Control & Metering
Flow control systems and metering devices requiring precise ball geometry and stable wear performance.
Severe Wear Service
Spherical working components in high-pressure, particle-containing, and severe wear environments.
Product Gallery
Explore our precision-engineered materials and components.
High-performance spherical components for critical applications
Our Tungsten Carbide Balls are designed for industrial customers who need high wear resistance, strong compressive performance, and consistent dimensional precision. Produced in WC-Co and WC-Ni grades, these balls are used in valve components, check valves, ball bearings, flow control devices, metering systems, and abrasive environments.
Tungsten carbide balls are high-hardness spherical components used in high-precision moving pairs, valve opening/closing mechanisms, bearing supports, and severe wear environments. They combine excellent wear resistance, compression resistance, and dimensional stability.
Manufacturing & Quality Control
Our tungsten carbide balls are produced through powder preparation, near-net shaping, vacuum sintering, densification, rough grinding, precision grinding, polishing, and grading.
- Ball diameter consistency, roundness, and surface roughness control
- Sintering shrinkage compensation and internal structure uniformity
- Micro-cracks, pinholes, and local chipping control
- Batch grading and precision grade stability
- Matching adaptation control with valve seats and raceways
Selection Recommendations
Choose the right carbide ball for your application:
- **For precision moving and measurement**: prioritize ball diameter tolerance, roundness grade, and surface roughness rather than just material hardness
- **For valve and seal applications**: select based on media pressure, particle content, valve seat material, and seal requirements
- **For high-erosion or severe wear**: prioritize higher wear-resistant grades, but maintain sufficient toughness reserves if impact loads exist
- **For batch assembly projects**: use group selection and complete set inspection methods
RFQ Guide for Accurate Quotation
For an accurate quotation, please include:
1. Ball diameter and required tolerance grade
2. Material preference such as WC-Co or WC-Ni
3. Surface finish requirement (ground, polished, or mirror)
4. End-use application such as valve, bearing, or metering system
5. Quantity and batch consistency expectations
6. Any special features such as holes, grooves, or matched sets
Need Tungsten Carbide Balls for Precision or Severe Wear Applications?
Send us your ball size, tolerance, finish requirement, and application details, and we will provide a suitable carbide ball solution.