High Stiffness

Round Carbon Fiber Tube — UD Unidirectional T700

Name: Round Carbon Fiber Tube — UD Unidirectional T700
Brand: YongXian CarbonFiber
Availability: InStock

Unidirectional (UD) round tube with all fibers aligned axially for maximum longitudinal stiffness. Ideal for applications requiring high bending rigidity with minimal weight, such as shafts, struts, and structural reinforcements.

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Key Features

Unidirectional fiber orientation for max axial stiffness

T700 grade fiber

Ideal for shafts and high-load structures

Can be combined with woven outer layer on request

Applications

Drive shaftsStrutsMast polesStructural reinforcementsAerospace spars

Specifications

Fiber Grade: T700 (Toray)
Fiber Orientation: UD 0° (Unidirectional)
Tensile Strength: 4900 MPa
Tensile Modulus: 230 GPa
OD Range: 4 – 50 mm
Wall Thickness: 0.5 – 4 mm
Max Length: 3000 mm

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Frequently Asked Questions

What is the minimum order quantity for carbon fiber products?

We accept small-batch customization. Minimum quantities vary by product type — tubes and plates have lower MOQs, while custom-shaped parts depend on tooling requirements. Contact our sales team for a detailed quote.

What color and finish options are available?

Standard finishes include 3K plain/twill weave, UD unidirectional, and satin, primarily in black. Custom colors and surface coatings — including matte and gloss clear coats — are also available.

What is the typical lead time?

Standard product lead time is 15–25 working days. Custom products are evaluated based on process complexity. Rush service is available — please confirm timelines when requesting a quote.

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