Customized Boron Carbide Components
Boron Carbide (B₄C) is an advanced ceramic characterized by extremely high hardness, low density and neutron-absorption capability. Andrews supplies customized B₄C components according to customer drawings and specifications for demanding scientific and industrial applications.

Key Properties
- Extremely high hardness and wear resistance
- Low density
- Neutron-absorption capability
- High elastic modulus
- Good chemical stability
- Suitable for demanding scientific and precision applications

Typical Material Properties
| Property | Unit | Typical Reference Value |
| Density | g/cm³ | ~2.5 |
| Flexural Strength | MPa | ~400 |
| Young’s Modulus | GPa | ~410–455 |
| Fracture Toughness | MPa·m½ | ~3 |
| Thermal Expansion | 10⁻⁶/K | ~5.6 |
| Hardness | GPa | Grade / method dependent |
| Total Boron | >77.14 |
| B2O3 | 0.10 |
| Free Boron | 0.44 |
| Boron Compound | >76.70 |
| Total Carbon | >20.03 |
| Free Carbon | 2.65 |
| Carbon Compound | 17.38 |
| Fe2O3 | 0.28 |
| B4C total | >94.08 |
| Maxi. Dimension | 450x450x50mm |
| Purity of B4C | 99.5% |
| Particle Size | 0.5-2µm |
| Density | ≥2.5 |
| Standard tolerance** | ±0.1, ±0.5mm (irregular shape) |
| Normal Roughness | <Ra 1.6 |
| Parallelism and verticality | ±0.1mm |
**Tolerance depends on the production difficulties and shape
Typical Applications
- Synchrotron and accelerator-related components
- Neutron-related components
- Scientific and research equipment
- Wear-resistant components
- Precision ceramic plates and apertures
- Customized structural components
Experience in Demanding Scientific Applications
Andrews has experience supplying precision B₄C components for demanding synchrotron and accelerator applications, including parts manufactured to stringent requirements for dimensions, tolerances, flatness, parallelism and surface finish.
Customized Components
Components can be supplied according to customer requirements for dimensions, geometry, holes, tolerances, surface finish, flatness and parallelism. Precision grinding, drilling, lapping and polishing are available depending on component geometry and requirements.
SEND US YOUR B₄C DRAWING