Low Thermal Expansion 35mm x 32mm Carbon Fiber Tube with High Stiffness and 3K Matte Surface
Low Thermal Expansion 35mm x 32mm Carbon Fiber Tubes 3K Matte Surface
In industries where weight, strength, and rigidity must be perfectly balanced, stiff carbon fiber tubes have emerged as a top choice. From aerospace engineering to robotics, drones, and automotive applications, these tubes provide unmatched structural performance with minimal weight.
Our carbon fiber tube is made by the Roll Wrapped process, and can be designed with multi-angle ply to create high-performance, high-quality carbon fiber tubes. It can be widely used in medical equipment, sports equipment, drones, industrial machinery, and various rollers.
Main Features
- High stiffness and strength
- Most Lightweight
- Low Density
- Safety
- Corrosion Resistance
- X-ray transparency
- Low CTE (Coefficient of Thermal Expansion)
- Chemical Resistivity
- Thermal and electrical conductivity
- Fatigue
- Durability
- Production Flexibility
Our Advantages
- 10 years of experience
- Professional manufacturer
- Strict Quality Control
- Expert workers
- Close Tolerance
- Reasonable price
- Short Production Time
- Company Culture&Value
| Material | Carbon Fiber Tube |
| Shape | Round/oval |
| Technology | Roll-wrapped or pultrusion |
| Dimension | The existing inner diameter of the mold is 4mm-50mm with a length of 1m. |
| Customizable size: The maximum diameter can be 200mm, the longest can be 3m. | |
| Surface | Black glossy/matte surface/painted |
| Glossy 3k weave/matte 3k weave | |
| Color metal wire weave | |
| Feature | lightweight, high strength |
| Working Temperature | Usually, -30-120 degrees, if special requirement, please let us know. |
| Place Of Origin | China |
| Function | Marine, Agriculture Tools, Arrow Shaft, Medical, Sport Products |
| Tolerance | Diameter Tolerance: +/-0.1mm |
| Length Tolerance | +/-1mm |
Manufacturing Process
The manufacturing process involves several steps:
- Material Selection: High-quality yarns are carefully selected, considering their tensile strength, modulus, and other required properties.
- Prepreg Production: To create prepreg sheets, the selected yarns are impregnated with a thermoset resin, usually epoxy. These prepreg sheets offer precise control over fiber alignment and resin distribution.
- Layup and Curing: The prepreg sheets are cut into specific dimensions and stacked layer by layer in a mold, aligning the fibers according to the desired pattern. The assembly is then cured under heat and pressure, transforming the prepreg into a solid structure.
- Post-processing: Once cured, the tubes undergo various post-processing steps, such as sanding, trimming, and surface treatment, to achieve the desired final dimensions, smoothness, and appearance.
Unique Properties of 3K Carbon Fiber Tubes
3K carbon fiber tubes possess several unique properties that make them highly desirable in various applications:
- High Strength-to-Weight Ratio: The 3K carbon fiber's arrangement of 3,000 filaments in each tow provides exceptional strength while maintaining a lightweight profile. This property is crucial in industries where weight reduction is essential, such as the aerospace and automotive sectors.
- Excellent Stiffness: The aligned fibers provide high stiffness, ensuring minimal deflection under load. This property makes them ideal for applications that require rigidity and stability, such as robotics and industrial equipment.
- Corrosion and Fatigue Resistance: Carbon fiber composites, including 3K carbon fiber tubes, exhibit excellent resistance to corrosion and fatigue, making them suitable for outdoor and demanding environments.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




