Carbon Fiber Rectangular Tube Overview

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.

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Carbon Fiber Rectangular Tube Types We Supply

We supply several structural configurations of carbon fiber rectangular tubes to meet different engineering and industrial requirements.

hollow rectangular carbon fiber tube

Hollow Rectangular Carbon Fiber Tube

The hollow rectangular carbon fiber tube is the most common structural configuration. It provides excellent stiffness and lightweight performance, making it suitable for frame structures, support systems, and engineering assemblies.
 
This type of rectangular carbon fiber tube is widely used in UAV structures, robotics frames, and lightweight mechanical systems.
 
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large carbon fiber rectangular tube

Large Carbon Fiber Rectangular Tube

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.

 

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rectangular multi cell carbon fiber tube

Rectangular Multi-Cell Carbon Fiber Tube

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.

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Mechanical Properties of Carbon Fiber Rectangular Tube

Carbon fiber rectangular tube provides excellent mechanical performance compared with traditional metal tubing.

EigentumKohlefaser-RechteckrohrAluminum Tube
Dichte~1.6 g/cm³~2.7 g/cm³
Zugfestigkeit600-1500 MPa~310 MPa
Elastic Modulus70-200 GPa~69 GPa
Verhältnis Stärke/GewichtVery HighMäßig

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.

Manufacturing Methods of Rectangular Carbon Fiber Tube

The rectangular carbon fiber tube manufacturing process typically involves advanced composite manufacturing technologies to achieve precise dimensions and high structural strength.

pultruded carbon fiber rectangular tubes

Pultruded Carbon Fiber Rectangular Tubes

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 Carbon Fiber Rectangular Tubes

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.

roll wrapped carbon fiber rectangular tubes

Carbon Fiber Rectangular Tubes for Different Applications

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

Sportgeräte

Sportgeräte

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

Werkzeuge für Rettung, Sicherheit und Reichweite

Outdoor-Werkzeuge

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

Rohre und Arme aus Kohlefaser für Drohnen

Drohnen & UAV

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

kohlefaser für roboter und automatisierung case image

Roboter und Automatisierung

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

kohlefaser für autos & automobilfallstudie

Autos & Automobile

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

Werkzeuge für Rettung, Sicherheit und Reichweite

Industrie und Versorgungsunternehmen

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

Kohlefaserhelme

Schutz & Sicherheit

Schutzeinlagen, Helme, Verstärkungsplatten und stoßfeste Verbundwerkstoffteile
Kohlefaser- und Verbundstoffteile, die für Schutz, strukturelle Integrität und sicherheitskritische Anwendungen entwickelt wurden.

Custom Carbon Fiber Rectangular Tubes

Custom manufacturing is available for carbon fiber rectangular tubes to meet specific engineering requirements.

Custom OptionBeschreibung
DimensionsCustom rectangular tube dimensions
WanddickeAdjustable wall thickness for stiffness and weight
FaserausrichtungTailored laminate structure
OberflächenbehandlungMatte, glossy, or UD carbon fiber finish
MachiningPrecision cutting, drilling, and machining

Custom rectangular carbon fiber tubes can be produced according to project drawings or engineering specifications.

 

custom carbon fiber rectangular tubes

Engineering Performance Data of Rectangular Carbon Fiber Tubes

EigentumTypical Value
Dichte1.5-1.6 g/cm³
Zugfestigkeit600-1500 MPa
Flexural Strength500-1200 MPa
Compressive Strength400-900 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.

carbon fiber rectangular tube manufacturer and supplier

Carbon Fiber Rectangular Tube Manufacturer and Supplier

As a professional carbon fiber rectangular tube manufacturer, we supply high-quality composite structural tubing for industrial and engineering applications.
 
Our manufacturing capabilities allow us to support customers requiring reliable supply and consistent composite quality.
 
We operate as a carbon fiber rectangular tube supplier and factory, providing OEM manufacturing and custom composite tube solutions for global customers.
 
Our services include:
  • custom rectangular carbon fiber tube production
  • OEM composite tube manufacturing
  • carbon fiber rectangular tube wholesale supply
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Why Choose Our Carbon Fiber Rectangular Tubes

High-Quality Carbon Fiber Materials

Our carbon fiber rectangular tubes are manufactured using high-strength carbon fiber reinforcements and reliable resin systems to ensure excellent mechanical performance.

Precision Composite Manufacturing

Advanced production equipment and strict quality control help maintain accurate dimensions and consistent composite quality.

Custom Engineering Capability

We support customized rectangular carbon fiber tube solutions including dimensions, laminate structures, and machining options.

Reliable OEM Manufacturing Partner

As an experienced carbon fiber rectangular tube manufacturer and supplier, we provide stable production capacity and reliable supply for industrial customers worldwide.
 
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why choose our carbon fiber rectangular tubes

Häufig gestellte Fragen

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.