High-Strength Carbon Fiber Tubes

Key Features of Carbon Fiber Tubes: Extremely Lightweight Much lighter than steel or aluminum (about 70% lighter than steel, 40% lighter than aluminum). Ideal for applications where weight reduction is crucial (e.g., aerospace, drones, racing cars). High Strength & Stiffness Tensile strength can exceed that of steel while being much lighter. Excellent rigidity-to-weight ratio, making it perfect for structural applications. Corrosion & Chemical Resistant Unlike metals, carbon fiber does not rust or corrode. Resistant to chemicals, saltwater, and harsh environments. Low Thermal Expansion Minimal expansion/contraction with temperature changes, ensuring dimensional stability. Customizable Shapes & Sizes Available in round, square, rectangular, and tapered profiles. Can be manufactured in various diameters (e.g., 6mm, 10mm, 25mm, 30mm, 1.5 inch) and lengths.

Advantages Over Metal Tubes:

✔ Higher strength-to-weight ratio than steel or aluminum.

✔ No corrosion, unlike metals.

✔ Vibration damping properties (reduces fatigue in moving parts).

✔ Customizable in terms of stiffness, weave pattern, and finish.

Our aerospace-certified carbon fiber tubes undergo 27-stage quality control processes from precursor selection to final curing. Using Toray T800S-24K intermediate modulus fibers with 5,800 MPa tensile strength, these tubes achieve 40% higher specific stiffness than standard aerospace aluminum alloys. The proprietary resin system (EPON 862/W curing agent) ensures operational stability from -70°C to 230°C, with thermal degradation threshold at 380°C (TGA analysis verified).

Key Performance Metrics:

Dimensional Precision: ±0.05mm tolerance on ID/OD via CNC mandrel machining

Fatigue Resistance: 10⁷ cycles at 70% UTS (ASTM D7791)

EMI Shielding: 65 dB attenuation from 1-18 GHz (MIL-STD-461F compliant)

Outgassing: TML<1%, CVCM<0.1% (NASA ASTM E595)

Applications & Case Studies
• Satellite Truss Systems: 62% weight reduction vs titanium in Lockheed Martin A2100 bus
• Wind Tunnel Probes: 0.002% shape deformation at Mach 7 (NASA Ames validation report #XT-228)
• Cryogenic Fuel Lines: Zero microcracking after 300 thermal cycles (77K↔293K)

Certification Portfolio

AS/EN9100:2018 Rev C

ITAR Compliance

NADCAP AC7122/1

Customization Options

Ply orientation: 0°±45°/90° hybrid laminates

Conductive coatings: ITO, Al-doped ZnO

Embedded strain gauges (HBM LY11 series)

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