Factory direct sales supply of large-diameter, high-quality, high-strength, lightweight custom wound carbon fiber tubes
The large-diameter carbon fiber tubes directly produced by our factory represent the pinnacle of composite materials engineering, offering an outstanding strength-to-weight ratio superior to traditional metals.
These custom wound tubes are specifically designed for applications that reduce weight without compromising structural integrity and can be used in harsh environments in aerospace, industrial automation, robotics, and high-tech fields
Each pipe is manufactured using advanced filament winding technology to ensure consistent fiber arrangement and optimal structural performance.
Our carbon fiber tubes have a density of only 1.6-1.7g /cm³ (approximately one quarter of the weight of steel), and a tensile strength exceeding 2800MPa, providing a perfect solution for weight-sensitive applications that require powerful mechanical properties
Product Details
Our factory directly supplies large-diameter, high-quality, high-strength and lightweight custom wound carbon fiber tubes
The outstanding performance of precise design spans multiple industries
Main product advantages
⚙️ excellent strength-to-weight ratio
Lighter than aluminium but stronger than steel. The density of our carbon fiber tubes is only a quarter of that of steel, while their strength is ten times that of steel. This can significantly reduce the weight of the application without sacrificing structural integrity or performance
Inferior to ️ in thermal stability and corrosion resistance
Our carbon fiber tubes maintain dimensional stability under temperature changes and have a low coefficient of thermal expansion. They maintain dimensional stability under thermal stress and have excellent resistance to acids, alkalis and salts, ensuring long-term reliability in corrosive environments where metals typically degrade
🎯 precision manufacturing and customization
We focus on customizing wound pipes according to your exact specifications. Our advanced manufacturing process can precisely control:
- Changes in diameter and wall thickness
- Fiber orientation optimization for specific load conditions
- Surface treatment options include gloss, matte, or texture
- Customized length and strict tolerance control
This flexibility ensures optimal performance for your unique application requirements
Technical Specifications
| Parameter | Specification | Testing Standard |
|---|---|---|
| Tensile Strength | ≥2800 MPa | ASTM D3039 |
| Density | 1.6-1.7 g/cm³ | ASTM D792 |
| Elastic Modulus | 120-150 GPa | ASTM D3039 |
| Thermal Expansion Coefficient | -0.5 to 0.5 × 10⁻⁶/°C | ASTM E228 |
| Fiber Content | 60-70% by volume | – |
Note: Specifications may vary based on customization requirements and application needs
Here is a detailed comparison of the key performance parameters between Wound and Roll-Wrapped carbon fiber tubes.
Wound vs. Roll-Wrapped Carbon Fiber Tubes: A Performance Comparison
| Feature / Parameter | Filament-Wound Tubes | Roll-Wrapped Tubes | Key Takeaways for Selection |
|---|---|---|---|
| Process Principle | Continuous fibers are impregnated with resin (wet) and wound under tension onto a rotating mandrel in a programmed pattern
. |
Pre-impregnated (prepreg) carbon fiber sheets are rolled onto a mandrel under heat and pressure
. |
Winding allows for direct fiber path control; rolling uses layered sheets. |
| Primary Strength Direction | Extremely high hoop and axial strength; can be precisely engineered by adjusting the winding angle (e.g., ±45° for torsion, 90° for hoop strength)
. |
High axial (longitudinal) strength; strength is more unidirectional, relying on the stacking sequence of the prepreg layers
. |
Choose wound for complex, multi-directional loads. Choose roll-wrapped for primarily axial/bending loads. |
| Strength-to-Weight Ratio | Excellent, as fibers are continuous and aligned along primary stress paths, minimizing excess resin
. |
Excellent, though potentially slightly lower than wound tubes for applications requiring isotropic strength
. |
Both offer superior ratios to metal. Winding can offer a more optimized structure for specific stress states. |
| Dimensional Control & Consistency | Excellent consistency in diameter and wall thickness along the length; precise control over fiber placement
. |
High consistency, with very stable resin content due to the use of prepreg, leading to uniform properties
. |
Both processes offer high consistency. Roll-wrapping may have an edge in resin content stability. |
| Surface Finish | Typically a textured or grooved surface due to the winding pattern; may require post-machining for a smooth finish
. |
Can achieve a very smooth or visible 3K woven texture finish directly from the mold, which is often more aesthetically pleasing
. |
Choose roll-wrapped for aesthetic applications or a smooth finish without post-processing. |
| Geometric Complexity | Best for straight or slightly tapered cylindrical shapes. Cannot easily produce complex shapes with surface depressions
. |
Limited to simpler, uniform cross-sections. Less suitable for highly contoured shapes compared to winding
. |
Winding is more adaptable for certain non-cylindrical shapes like cones. Both are limited versus other methods like molding. |
| Production Efficiency & Cost | Highly automated for large-volume production; lower labor cost per unit for long, standard diameters. | Well-suited for medium-volume batches; tooling can be simpler, but material (prepreg) cost is higher
. |
Winding is cost-effective for high-volume, standard parts. Roll-wrapping offers flexibility for medium batches. |
| Typical Applications | Aerospace structures, robotic arms, high-pressure vessels, industrial rollers, and applications requiring optimized weight-to-strength in multiple directions
. |
UAV/Drone arms, lightweight sporting goods, high-end consumer product frames, and applications where appearance is critical
. |
Match the process to the load case: Wound for critical structural; Roll-wrapped for high-end aesthetic and axial-load components. |
