Custom Sapphire Watch Case Parts with 9 Mohs Hardness and 2040℃ Melting Temperature for Industrial Applications
Price:
50USD-500USD
MOQ:
100pcs
Delivery Time:
According to quantity
Product Description
Custom Sapphire Watch Case Components
Blue Sapphire Watch Crown Accessories
Our sapphire components are manufactured from high-purity alumina (Al2O3) with trace elements including iron and titanium, producing superior blue coloration with sky blue being the premium grade.
Material Properties & Technical Specifications
| Property Category | Parameter | Value |
|---|---|---|
| General | Chemical Formula | Al2O3 |
| General | Crystal System | Hexagonal system |
| Thermal | Melting Temperature | 2040℃ |
| Thermal | Thermal Expansion | Parallel to C-axis: 6.7×10⁻⁶ Perpendicular to C-axis: 5.0×10⁻⁶ |
| Thermal | Specific Heat | 0.18 Cal/gm°K (25℃) |
| Mechanical | Density | 3.98-4.1 g/cm³ |
| Mechanical | Hardness | 9 Moh's Scale (Hv) ≥ 1700 kg/mm² |
| Mechanical | Modulus of Elasticity | 340-380 GPa |
| Mechanical | Compressive Strength | 2.1 GPa |
| Mechanical | Tensile Strength | 0.19 GPa |
| Optical | Index of Refraction | Parallel to C-axis: 1.769 Perpendicular to C-axis: 1.769 |
| Optical | Index of IR Transmission | 85% |
| Electrical | Electrical Resistance | >10¹⁶ Ω/cm (25℃) |
| Electrical | Dielectric Constant | 7.5-10 |
| Chemical | Erosion Resistance | Resistant to acids and alkalis at normal temperature Corroded only by HF at 300℃ |
Key Performance Advantages
- Exceptional hardness rating of 9 on Mohs scale for superior wear resistance
- Maximum operating temperature of 2060℃ for high-temperature applications
- Excellent chemical stability resisting virtually all acid and alkali corrosion
- Significantly extends equipment service life in demanding environments
Industrial Applications
Sapphire precision components are engineered for critical applications requiring:
- Water meter and electric meter bearings
- Chemical pump through valve bodies
- Textile machine stoppers
- Instrumentation and equipment wear-resistant parts
- High-temperature resistant components
Manufacturing Capabilities
We specialize in custom sapphire parts with complex geometries and precise sealing requirements. Our advanced processing techniques ensure dimensional accuracy and superior surface quality through high-speed finishing, fine grinding, and optimized polishing processes.
Frequently Asked Questions
1. Are you a trading company or factory?
We are a professional sapphire products manufacturer with trading capabilities.
2. Can you do customized products?
Yes, we specialize in custom production and OEM work. CAD and 3D drawings are required.
3. Could you provide samples?
Yes, we provide samples with charge. Sample fee is refunded for orders exceeding 100 pieces.
4. What's the delivery time?
Standard delivery for 200 watch cases is 5-8 weeks, depending on processing complexity.
5. How about the payment?
We prefer T/T payment method.
6. How about the delivery?
Most shipments are via air courier services including DHL and FedEx.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ARH Sapphire Co., Ltd
Location
Room 2-11，No.50 Yunhan Road，Chongqing China
Contact Person
Florence Chen