3K plain carbon fiber round tube

3K Carbon Fiber Plain Weave Round Tube

Crafted with precision, our 3K carbon fiber plain weave round tube combines superior strength, lightweight design, and versatile performance for advanced applications.

Constructed from high-quality 3K carbon fiber filaments arranged in a classic plain weave pattern, this tube delivers exceptional rigidity and durability while maintaining a weight 80% lighter than steel .

This product is perfectly suited for a wide range of industries, from aerospace to robotics, setting a new standard for structural efficiency.

Key Features

Unmatched Strength: With a tensile strength 8–10 times greater than steel and a modulus comparable to alloy materials, it withstands extreme stress while minimizing deformation .

Lightweight Excellence: Weighing just 1/5 of steel, it enhances mobility and reduces energy consumption in drones, automotive components, and sports equipment .

Corrosion Resistance: Resistant to chemicals, moisture, and environmental degradation, ensuring long-term reliability in harsh conditions .

Smooth Surface Finish: The plain weave texture offers a uniform, aesthetically appealing appearance suitable for both functional and decorative applications .

Product Details

3K Carbon Fiber Plain Weave Round Tube

Engineered for precision and performance, our 3K Carbon Fiber Plain Weave Round Tube combines advanced materials science with innovative manufacturing to deliver unmatched strength-to-weight ratio for critical applications.

Ideal for industries demanding lightweight durability, this tube features a classic 3K plain weave pattern (12K available upon request) that balances structural integrity with aesthetic appeal.

Technical Specifications

Parameter	Standard Range	Custom Options	Unit
Diameter	6mm – 250mm (0.24″ – 9.84″)	Up to 500mm (19.69″)	mm/in
Wall Thickness	0.5mm – 5mm (0.02″ – 0.2″)	Up to 10mm (0.39″)	mm/in
Length	100mm – 3000mm (3.94″ – 118.11″)	Custom cut to length	mm/in
Fiber Volume Fraction	60% – 65%	±5% adjustment	%
Tensile Strength	≥3500 MPa	–	MPa
Flexural Modulus	≥230 GPa	–	GPa
Density	1.7 – 1.8 g/cm³	–	g/cm³
Surface Finish	Smooth with plain weave texture (Ra≤1.6μm)	Gloss/matte coating	–
Operating Temperature	-50°C to +150°C (-58°F to +302°F)	High-temperature resin up to +260°C	°C/°F

1. Superior Mechanical Properties

3K Plain Weave Structure: Balances transverse strength (30% better than twill weave) with uniform surface appearance, ideal for applications requiring visual consistency.

Ultra-Lightweight: 1/5 the weight of steel, enabling up to 40% energy savings in mobile systems (drones, EV components) without compromising load-bearing capacity.