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A Kohlefaser-Rechteckrohr is a structural composite profile manufactured using high-strength carbon fiber reinforcements combined with epoxy resin systems. The rectangular geometry provides excellent bending stiffness and improved structural stability compared with round tubing.
Because of the flat mounting surfaces and high rigidity, rectangular carbon fiber tubes are commonly used in frame systems, mechanical assemblies, and lightweight structural applications.
Compared with metal rectangular tubing, carbon fiber rectangular tubes offer several key advantages:
significantly higher strength-to-weight ratio
excellent corrosion resistance
outstanding fatigue durability
low thermal expansion
long service life in demanding environments
These characteristics make rectangular carbon fiber tubes suitable for advanced engineering applications across aerospace, robotics, industrial automation, and performance equipment industries.
Jetzt anfragenWe supply several structural configurations of carbon fiber rectangular tubes to meet different engineering and industrial requirements.


A large carbon fiber rectangular tube is designed for structural applications requiring higher bending stiffness and load capacity.
These tubes are commonly used in industrial equipment frames, automation structures, and engineering systems where both structural rigidity and weight reduction are important.

Die rectangular multi-cell carbon fiber tube features internal reinforcement chambers that improve structural stiffness and load distribution.
This configuration is often used in advanced engineering structures where higher rigidity and improved structural efficiency are required.
Carbon fiber rectangular tube provides excellent mechanical performance compared with traditional metal tubing.
| Eigentum | Kohlefaser-Rechteckrohr | Aluminum Tube |
|---|---|---|
| Dichte | ~1.6 g/cm³ | ~2.7 g/cm³ |
| Zugfestigkeit | 600-1500 MPa | ~310 MPa |
| Elastic Modulus | 70-200 GPa | ~69 GPa |
| Verhältnis Stärke/Gewicht | Very High | Mäßig |
Due to their high stiffness and lightweight structure, carbon fiber rectangular tubes are widely used in applications where structural performance and weight reduction are both critical.
The rectangular carbon fiber tube manufacturing process typically involves advanced composite manufacturing technologies to achieve precise dimensions and high structural strength.

Pultruded rectangular carbon fiber tubes are manufactured using a continuous pultrusion process where carbon fibers are pulled through a resin bath and heated die.
This method provides excellent fiber alignment and high axial stiffness.
Roll-wrapped tubes are produced by wrapping carbon fiber prepreg layers around a mandrel before curing under controlled temperature and pressure.
This process allows customized laminate structures and optimized mechanical performance.

Carbon fiber rectangular tubes are widely used in lightweight structural systems where high stiffness, strength, and dimensional stability are required.

Carbonpfeilschäfte, Billardqueues, Hockeyschäfte, Lacrosse-Schäfte und CFK-Sportkomponenten
OEM-Kohlefaser- und Verbundwerkstoffprodukte, die für Steifigkeit, Gewichtsreduzierung und leistungsorientierte Sportgeräteanwendungen hergestellt werden.

Reinigungsstangen, Inspektionsstangen, Feldwerkzeuge und teleskopierbare Verbundteile
Leichte und langlebige Kohlefaserprodukte, die für Tragbarkeit, Reichweite und Betriebssicherheit von Outdoor-Werkzeugen optimiert sind.

Drohnenrahmen, Arme, Fahrwerk und leichte Strukturkomponenten
Hochfeste Kohlefaserstrukturen, die für ein optimales Festigkeits-Gewichts-Verhältnis bei UAV- und Drohnenanwendungen entwickelt wurden.

Roboterarme, Ausleger, strukturelle Verbindungen und kundenspezifische CFK-Komponenten
Präzisionsgefertigte Verbundwerkstoffteile, die für Steifigkeit, Dimensionsstabilität und dynamische Leistung in Robotersystemen ausgelegt sind.

Strukturelle Verstärkungen, Innenverkleidungsteile und kundenspezifische CFK-Komponenten
Kohlefaserlösungen mit Schwerpunkt auf Gewichtsreduzierung, Funktionsintegration und Langlebigkeit für Automobil- und Mobilitätsanwendungen.

Reinigungsstangen, Inspektionsstangen, Feldwerkzeuge und teleskopierbare Verbundteile
Leichte und langlebige Kohlefaserprodukte, die für Tragbarkeit, Reichweite und Betriebssicherheit von Outdoor-Werkzeugen optimiert sind.

Schutzeinlagen, Helme, Verstärkungsplatten und stoßfeste Verbundwerkstoffteile
Kohlefaser- und Verbundstoffteile, die für Schutz, strukturelle Integrität und sicherheitskritische Anwendungen entwickelt wurden.
Custom manufacturing is available for carbon fiber rectangular tubes to meet specific engineering requirements.
| Custom Option | Beschreibung |
|---|---|
| Dimensions | Custom rectangular tube dimensions |
| Wanddicke | Adjustable wall thickness for stiffness and weight |
| Faserausrichtung | Tailored laminate structure |
| Oberflächenbehandlung | Matte, glossy, or UD carbon fiber finish |
| Machining | Precision cutting, drilling, and machining |
Custom rectangular carbon fiber tubes can be produced according to project drawings or engineering specifications.

| Eigentum | Typical Value |
|---|---|
| Dichte | 1.5-1.6 g/cm³ |
| Zugfestigkeit | 600-1500 MPa |
| Flexural Strength | 500-1200 MPa |
| Compressive Strength | 400-900 MPa |
| Operating Temperature | -50°C to 120°C |
These properties make carbon fiber rectangular tubes suitable for demanding structural applications where lightweight design and mechanical reliability are essential.


We provide a complete portfolio of composite products:
A carbon fiber rectangular tube is a lightweight composite structural profile made from carbon fiber reinforcement and resin systems. It provides high stiffness and strength while maintaining low weight.
Carbon fiber rectangular tubes are commonly used in UAV structures, robotics systems, industrial equipment frames, and engineering assemblies where lightweight and structural strength are required.
Carbon fiber rectangular tubes are typically manufactured by specialized composite manufacturers that produce advanced carbon fiber structural components.
Yes. Custom carbon fiber rectangular tubes can be manufactured according to specific dimensions, laminate structures, and engineering requirements.