Top Reasons to Choose Sapphire for Precision Parts
Sapphire’s unique properties make it an excellent material for demanding industrial applications. Whether you’re designing components for aerospace, optics, or semiconductor manufacturing, single crystal sapphire (Al₂O₃) delivers the reliability and performance needed in harsh environments.
Custom-machined sapphire part
The Advantages of Sapphire (Al₂O₃)
When it comes to high-performance engineering materials, sapphire stands out. It combines exceptional strength, heat resistance, chemical stability, and optical clarity.
Key benefits include:
Exceptional Hardness – With a Vickers hardness of 23 GPa, sapphire is highly scratch and wear resistant.
Superior Strength – Maintains its mechanical integrity even under high thermal stress.
Wide Optical Transmission – Transparent from UV to IR, ideal for lenses and sensor windows.
Chemical Inertness – Resists corrosion from acids and alkalis at elevated temperatures.
High Thermal Conductivity – Efficiently dissipates heat without warping or deformation.
Sapphire vs. Fused Silica: What’s the Difference?
While both sapphire and fused silica are known for their purity and optical use, sapphire far exceeds fused silica in mechanical and thermal properties.
Sapphire is more than twice as hard.
It offers significantly higher flexural strength.
It’s more thermally conductive and dimensionally stable under heat.
For extreme environments, sapphire is the superior choice.
OD: φ8x 5mm(height) (For comparison: A grain of rice)
Precision Machining Capabilities
We specialize in custom-machined sapphire parts built to tight tolerances. Whether for optical windows, rods, or complex geometries, we offer:
Hole diameters as small as 0.2 mm
Hole depths up to 300 mm depending on size
Fine grooves and threading (M2 and larger)
Plates up to 150 mm diameter, 10 mm thickness
Rods up to 50 mm diameter, 200 mm length
Applications for Sapphire Components
Thanks to its versatility, sapphire is widely used in:
Aerospace and defense equipment
Semiconductor processing tools
Laser optics and infrared windows
Medical and scientific instruments
Pressure sensors and high-vacuum systems
Need Custom Sapphire Parts?
If your project demands high durability, optical performance, and chemical resistance, sapphire is the solution.
Contact us today to request a quote or learn more about our sapphire machining services.
