Carbon Fiber Hexagonal Tubes — Six‑Face Torsion Resistance · Precision Alignment · Modular Structural Solution
Version: 2025‑E
1. Product Definition
Our Carbon Fiber Hexagonal Tubes are hollow profiles molded from T700/T800 unidirectional prepreg with an outer 3K twill or plain weave layer, using high‑temperature compression molding, pultrusion, or autoclave curing. The true hexagon cross‑section delivers inherent anti‑twist properties and self‑centering faces—an advanced lightweight alternative to round or square tubes.
2. Core Advantages
- Superior Torsion Resistance: Six‑face geometry boosts torsional stiffness by 22–30 % over equivalent round tubes.
- Effortless Alignment: 60° symmetric faces self‑locate in multi‑tube assemblies with ≤ 0.1° assembly error.
- Ultra‑High Modulus: Longitudinal modulus of 160–180 GPa at 1.55 g/cm³—60–70 % lighter than aluminum.
- Non‑Magnetic & Corrosion‑Proof: 1 000 h salt‑fog certified; safe for MRI environments.
3. Technical Specifications
Property | Typical Value |
---|---|
Tensile Strength | 2 800–3 200 MPa |
Interlaminar Shear Strength | 80–90 MPa |
Operating Temperature | −40 °C to +180 °C |
Straightness | ≤ 0.2 mm/m |
Cross‑Section Tolerance | ± 0.05 mm |
4. Common Stock Sizes
(2 mm wall, 1 000 mm length; up to 3 000 mm custom)
Across‑Flats H (mm) | Inner Across‑Flats (mm) | Weight (g/m) | Torsion Constant J (cm⁴) | Typical Use |
---|---|---|---|---|
10 | 6 | 140 | 0.18 | Precision instrument struts |
14 | 10 | 220 | 0.52 | FPV drone booms |
18 | 14 | 310 | 1.20 | Camera slider edges |
22 | 18 | 410 | 2.40 | Robot arm linkages |
26 | 22 | 520 | 4.20 | Telescoping robot arms |
30 | 26 | 640 | 6.95 | Optical cross‑beams |
35 | 29 | 820 | 11.30 | Automotive roll‑cage bars |
40 | 34 | 1 000 | 17.80 | Reinforced sailboat masts |
50 | 44 | 1 380 | 35.70 | Industrial fixture frames |
Customization Range: Across‑flats 8–80 mm; wall thickness 1–5 mm; length ≤ 3 m; optional tapered hex profiles.

5. Post‑Processing & Accessories
- CNC End‑Machining: Flat‑face milling, 0.5×45° chamfer, M3–M12 tapping, rivet‑nut installation.
- Pressed‑In Inserts: Aluminum or titanium hex sleeves, stainless‑steel threaded bushings—≥ 3 kN pull‑out.
- Surface Finishes: 3K matte/gloss twill, UD black, fluorocarbon paint, luminescent markings.
- Connection Hardware: 120° carbon fiber brackets, quick‑release clamps, alignment pins.
6. Industry Applications
- Aerospace: Satellite solar‑wing supports, hex‑rotor UAV arms for anti‑resonance.
- Robotics: SCARA Z‑axes, linear guide rails for sub‑millimeter repeatability.
- Automotive Racing: Roll‑cage members, driveshaft guards—lighter with improved NVH.
- Medical: MRI‑compatible O‑bed side rails, mobile CT‑scanner frames.
- Sports & Outdoors: Hex‑grip golf shafts, trekking poles, ski poles—anti‑slip geometry.
- Industrial Equipment: Printer guide rails, battery winding mandrels—dimensionally stable.
7. Ordering & Delivery
- MOQ: 1 stock tube; 30 custom tubes
- Lead Time: Stock ships in 24 h; custom in 7–10 days
- Packaging: Individual film wrap → foam → reinforced carton; ≥ 2 m in wood‑pallet crate
- Certification: Includes batch material report, RoHS, REACH, ISO 9001
Offline Contracts
All sales of our carbon fiber materials are conducted through offline contract agreements to ensure each order precisely meets your specifications, compliance requirements, and agreed payment terms. Please contact our sales team to initiate the contract process and discuss project details.
name | value | unitCode | unitText |
---|---|---|---|
MOQ | 50 | PCS | |
Lead Time | 5–20 | business days | |
Material | Carbon Fiber | ||
Size | Customizable (inner diameter / outer diameter / length) |
Resources
Elevate your designs with the precision and rigidity of Carbon Fiber Hexagonal Tubes—engineering’s ultimate anti‑twist aesthetic.