Carbon Fiber Round Tube
Hangzhou Chengxin New Materials Co., Ltd. is a composite material product company integrating design, production and sales, mainly focusing on the development of high-performance carbon fiber composite materials.
We specialize in the production of various composite materials, mainly carbon fiber blades, carbon fiber round tubes, carbon fiber square tubes, carbon fiber rectangular tubes, carbon fiber bicycle accessories, carbon fiber automotive parts, etc.
Why Choose us
Our Process
Our company is good at composite infusion process, prepreg vacuum bag process, bladder molding process, press mold process, aluminum anodize.
Well Equipped
We have laser trimming machine, large five-axis machining center, three-axis machining center and smaller CNC equipments, which can be used for metal mold, epoxy foam mold or trimming for composite product.
Excellent team
At present, the company has an experienced technical team. Using international high-tech, sophisticated equipment, advanced technology, the production of carbon fiber reinforced composite material series products. We devoted ourselves to the study of composite materials.
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Benefits of Carbon Fiber Round Tube
Strength-to-Weight Ratio
One of the most significant advantages of carbon fiber round tube is their exceptional strength-to-weight ratio. Carbon fiber round tubes are known to be up to five times stronger than steel while weighing only one-fifth as much. This makes them ideal for applications where weight savings are crucial without compromising structural integrity. The specific strength (strength per unit density) of carbon fiber round tubes can reach values around 1500 kNm/kg, significantly higher than that of traditional materials like aluminum and steel.
Corrosion Resistance
Carbon fiber round tubes exhibit excellent resistance to corrosion, unlike metals such as steel and aluminum, which can degrade over time when exposed to moisture and chemicals. This corrosion resistance makes carbon fiber round tubes ideal for use in harsh environments, including marine, industrial, and chemical processing applications.
Thermal and Electrical Conductivity
Carbon fiber round tubes possess unique thermal and electrical conductivity properties. While carbon fibers themselves are good conductors of electricity and heat, the overall conductivity of carbon fiber round tubes can be tailored by adjusting the type and amount of resin used.
Durability and Lifespan
Carbon fiber round tubes are known for their exceptional durability and long lifespan. They can withstand high levels of stress and strain without deformation or failure, making them ideal for demanding applications. The fatigue resistance of carbon fiber round tube is superior to that of metals, meaning they can endure repeated loading cycles without significant degradation in performance.
Application of Carbon Fiber Round Tube
Carbon Fiber Tubing
Carbon Fiber Round Tube for Cars and Bikes
Exhaust systems in sportbikes or racing machines
Suspension systems in sports cars utilizing carbon fiber suspension springs
Racecar parts such as carbon fiber brake calipers or carbon fiber rotors
Lightweight racing and mountain bike frames
Carbon Fiber Round Tube in Manufacturing and Aerospace Industries
Next, let's look at how carbon tubes are used in the manufacturing and aerospace industries. Carbon fiber can be found on many aircraft built today. Typical applications include the fuselage, wing structure, and controls. Carbon fiber is also used in internal bulkheads, flooring, ducts, and access panels.
Carbon Fiber Round Tube for Construction
Construction companies and other industries are using carbon tubes in a variety of ways. They're being used in bridges and truss construction. Their strength-to-weight ratio makes them ideal construction materials.
Carbon Fiber Round Tube for Sporting Goods
Lastly, carbon fiber round tube is commonly found in sporting goods such as fishing rods and tennis rackets. Its high tensile strength makes these products more durable and lightweight resulting in improved performance.
Carbon Fiber Round Tube Manufacturing Process
Prepreg Preparation
Carbon fibers are impregnated with resin to create prepreg sheets or tow, which are then stored under controlled conditions until use. The resin content typically ranges from 30% to 40% by weight, ensuring optimal fiber wet-out and mechanical properties.
01
Molding
The prepreg material is placed on or wrapped around a mold or mandrel, depending on the chosen production method (filament winding, pultrusion, or roll-wrapping). The mold is designed to achieve the desired tube dimensions and fiber orientation, ensuring uniform thickness and structural integrity.
02
Curing
The molded material is heated to cure the resin, solidifying the composite structure. This step ensures the carbon fibers are securely bonded within the polymer matrix. Typical curing temperatures range from 120°C to 180°C, with curing times varying from 1 to 4 hours, depending on the resin system used.
03
Cooling and Demolding
After curing, the composite is allowed to cool, and the finished carbon fiber round tube is removed from the mold or mandrel. The cooling process must be controlled to prevent residual stresses and distortion in the final product.
04
Finishing
The tube undergoes finishing processes such as trimming, sanding, and coating to achieve the desired dimensions and surface quality. This may also include applying protective coatings or painting to enhance the tube's appearance and environmental resistance.
05
Choosing the Right Carbon Fiber Round Tube for Your Application
Strength and Stiffness Needs
Consider how much strength and stiffness your project is going to require. If you need a tube capable of withstanding stress in many directions, such as in a drone frame, a carbon fibre roll-wrapped tube would be fine. On the other hand, if your project only needs strength along one direction (like in a fishing rod or simple beam), a carbon fiber pultruded tube should work fine and be more cost-effective.
Weight Requirements
One of the main reasons to choose carbon fiber is to keep weight down. Both roll-wrapped and pultruded tubes are lightweight, but if you’re building something where every gram counts (like in racing drones or bikes), you might want to lean towards roll-wrapped tubes since they offer better all-around performance for their weight.
Environment and Conditions
Consider the conditions your carbon fiber tubes will be exposed to. Will they be used outdoors in high heat or in a humid environment? Though both tubes types work well under different conditions, roll-wrapped tubes generally do better with respect to durability and handling extreme conditions.
FAQ
Hangzhou Chengxin Composite Material Co., Ltd.is one of the most professional carbon fiber round tube manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade carbon fiber round tube at competitive price from our factory.
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