Hangzhou Chengxin Composite Material Co., Ltd. is one of the most reliable manufacturers and suppliers of matte rectangular carbon fiber tube in China. With a professional production team, we are able to meet the needs of the majority of our customers. Please rest assured to buy customized matte rectangular carbon fiber tube from our factory.
Why Choose Us
Our company is good at composite infusion process, prepreg vacuum bag process, bladder molding process, press mold process, aluminum anodize. We specialize in producing 3D Printing Carbon Fiber Bike Frame, Carbon Fiber Bike Parts, Carbon Fiber Bicycle Handlebars, Carbon Fiber Motorcycle Accessories, Carbon Fiber Bicycle Parts, Carbon Fiber Mountain Bike Accessories, and other Carbon Fiber Bike Accessories.
Quality Assurance
We have passed ISO 13485 quality system certification and CE certification of TUV Rheinland, FDA registration and as well as BSCI audit.
Quick Response
Our commitment is to respond to your inquiries within 24 hours, ensuring that you receive the information and support you require in a timely manner.
Real Factory
We have complete production line, and GMP standard clean room at 100,000 levels and EO sterilizer. We can provide high quality and com-petitive price and fast shipping to global customers.
OEM Service
We provide customized services, we can make product by your special request.
Matte Rectangular Carbon Fiber Tube
Carbon fiber is a revolutionary material that has transformed the manufacturing industry by introducing stronger, lighter, and more durable products.
Flat Rectangular Carbon Fiber Tube
Carbon fiber is an extremely strong and lightweight material that is gaining popularity in various industries.
Rectangular Carbon Fiber Tube Twill
Carbon fiber has had a major impact on industries requiring high-performance materials with exceptional strength and stiffness.
Black Flat Carbon Fiber Strips
These strips are made from premium carbon fiber material known for being strong, durable and lightweight.
Solid Carbon Fiber Square Tube
It is a structural component widely used in aerospace, automotive, marine, and sports industries due to its excellent mechanical properties and attractive appearance.
Hollow Carbon Fiber Square Tube
As a leading manufacturer of , we take pride in our products and our ability to cater to diverse customer needs. Our state-of-the-art factory and skilled workforce enable us to manufacture high-quality carbon fiber square tubes that are unparalleled in the market.
Carbon fiber has been gaining popularity in various industries due to its unique properties.
Surface Twill Carbon Fiber Square Tube
Carbon fiber composites are becoming a popular choice across a wide range of industries due to their high strength, low weight, and superior performance properties.
As a leading manufacturer of square carbon fiber products, we pride ourselves on our commitment to quality and innovation.
What is Carbon Fiber Tube
Carbon fiber tubes are used in numerous applications like tactical ladders, trusses, beams, and more. Carbon fiber is typically chosen over traditional materials such as aluminum, steel, and titanium because of the following properties: High strength and stiffness to weight. Excellent resistance to fatigue. If you want to know the specifications and prices of Carbon Fiber Tube, please contact us!
Advantage of Carbon Fiber Tube
Good Mechanical Properties
Carbon fiber has excellent mechanical properties. For example, the density of T300 carbon fiber tube is only about 1.6g/cm, and the tensile strength can reach 3600Pa. It can be seen that carbon fiber tube has a very high lightweight advantage and outstanding mechanical properties. In addition, carbon fiber pipes also have high fatigue resistance. Compared with pipes made of other materials, carbon fiber pipes are light in weight and have higher performance advantages.
Good Chemical Properties
Carbon fiber pipes have very good chemical stability, carbon fiber pipes still maintain good stability in the environment of acid, alkali and salt corrosion, and have very high corrosion resistance, which also makes carbon fiber pipes It can be used very well in many fields.
Good Thermal Stability
Carbon fiber can still have good stability despite temperature differences. The linear expansion coefficient of thermal expansion and contraction is also relatively low and will not creep easily, which can better ensure the accuracy of the tube.
Shock Absorption
In carbon fiber products, because each carbon fiber is evenly distributed inside of CFRP product, this results better overall structural stability of the carbon fiber, so that the vibration can be well absorbed under pressure. It is dispersed and has a good shock absorption effect. Compared with steel, this is also a good advantage.
High-heat-treatment Carbon Fibers
High-heat-treatment carbon fibers (HTT) are associated with high-modulus type fiber and require a final heat treatment temperature higher than 2000°C.
Intermediate-heat-treatment Carbon Fibers
Intermediate-heat-treatment carbon fibers (IHT) are characterized by a final heat treatment temperature typically equal to or more than 1500°C. These fibers are often associated with high-strength type fiber.
Low-heat-treatment Carbon Fibers
Low-heat-treatment carbon fibers (LHT), in which the final heat treatment temperature does not exceed 1000°C. These materials have a low modulus and strength.
Plain Weave
A plain weave carbon fiber sheet exhibits a symmetrical appearance with a small checkerboard pattern. The tows are interlaced in an over/under pattern in this weave. The narrow distance between interlaces contributes significantly to the stability of the plain weave. Fabric stability refers to the capacity of a fabric to retain its weave angle and fiber orientation. Because of its notable stability, the plain weave is not optimally suitable for layups with intricate contours. In addition, it lacks the pliability exhibited by many other weaves. Plain weave fabrics are typically appropriate for two-dimensional curves, tubes, and flat sheets.
Twill Weave
Twill weave is more pliable and capable of shaping to intricate contours. It is superior to harness satin weave in terms of fabric stability, yet not as good as plain weave. Following a tow strand in a twill weave goes over a set number of tows and then under the same number. Applying the over/under pattern forms a diagonal arrowhead, sometimes called a "twill line".
Satin Weave
Since ancient times, the satin weave has created silk fabrics with exceptional draping characteristics and a seamless, smooth appearance. The drapability of composites enables them to form and wrap around intricate contours readily. This fabric has low stability due to its high formability. The commonly used satin weaves in the textile industry are the 4 harness satin (4HS), 5 harness satin (5HS), and 8 harness satin (8HS). Formability will increase as the number of satin weave increases, while fabric stability will diminish.
Application of Carbon Fiber Tube
Aerospace
Due to the advantages of a lightweight, high rigidity, high strength, stable size, and good thermal conductivity, carbon fiber composite materials have long been applied to artificial satellite structures, solar panels, and antennas. Nowadays, most of the deployed solar cells on artificial satellites are made of carbon fiber composite materials, and some of the more critical components on space stations and space-to-earth transportation systems are also made of carbon fiber composite materials.
Carbon Fiber Drone
Carbon fiber tubes also perform well in UAV applications and can be applied to different body parts of UAVs in practical applications, such as arms, racks, etc. Compared with aluminum alloy materials, the application of carbon fiber tubes on drones can reduce the weight by about 30%, which can improve the load capacity and endurance of drones. The carbon fiber tube has the advantages of high tensile strength, corrosion resistance, and good shock resistance, which effectively guarantee the life of the drone.
Mechanical Equipment
The application of carbon fiber composite materials on the robot end picker The end picker is a tooling fixture used in the transfer process of the stamping production line. It is installed on the loading and unloading robot of the press, and the end picker is driven by trajectory teaching. The workpiece is transported. Among the many new materials, the voice of carbon fiber composite materials is the highest.
Carbon Fiber Mechanical Arm
The proportion of carbon fiber composite is less than 1/4 of steel, but its strength is several times that of steel. The robotic pickup made of carbon fiber composite can reduce the shaking and self-burden during the handling of automobile parts, and its stability can be greatly improved.
Light Chemical Equipment
The carbon fiber tube can be used as the carbon fiber roller shaft of the roller body and can be widely used in printing, paper making, plastic, textile, film, lithium battery pole piece winding machines, and other industries. This kind of application is relatively simple in structural design, but carbon fiber itself has a high level of technology. The more accurate the requirements of the machine on the dynamic balance and concentricity of the idler, the more directly the technical indicators of the carbon fiber pipe affect the stability of the high-speed rotation of the idler and the performance of the whole machine.
In addition to the above fields, carbon fiber composites also appear in rail transit, wind power, medical devices, and other fields, and are widely used. With the continuous breakthrough in the manufacturing and subsequent processing technology of carbon fiber raw materials, the price of carbon fiber raw materials is expected to become more user-friendly.
Fiberglass Tube VS Carbon Fiber Tube: Which Is Better?
Rigidity
Fiberglass tends to be more flexible than carbon fiber and less expensive. For applications that do not require maximum stiffness – such as storage tanks, building insulation, protective helmets, and body panels – fiberglass is the material of choice. Fiberglass is also often used in high-volume applications where low unit cost is a priority.
Strength
Carbon fiber really shines when it comes to tensile strength. As a virgin fiber, it is only slightly stronger than fiberglass but becomes very strong when combined with the right epoxy. In fact, carbon fiber is stronger than many metals if made the right way. That's why manufacturers of everything from airplanes to boats are using carbon fiber instead of metal and fiberglass alternatives. Carbon fiber allows for greater tensile strength at a lower weight.
Durability
Where durability is defined as "toughness," fiberglass is the clear winner. While all thermoplastic materials are relatively tough, the ability of glass fibers to withstand higher pressures is directly related to their flexibility. Carbon fiber is certainly stiffer than fiberglass, but this rigidity also means it's less durable.
Price
The market for both carbon fiber and fiberglass tubes and sheets has grown dramatically over the years. However, fiberglass materials have a wider range of applications and lower prices.
The reason for the price difference is mainly that manufacturing carbon fiber is a difficult and time-consuming process. By contrast, it is relatively easy to extrude molten glass to form glass fibers. As with anything else, the more difficult the process, the more expensive it is.
0° Orientation
If a part will only be loaded in one direction it's ideal to have all the fibers oriented in that direction. Pultruded rod and tubing are examples of a part that contains only 0° fibers. Since most parts aren't loaded in only one direction we need to add other angles to maximize strength. A tube that sees only bending and no twisting would still likely benefit from some additional fiber angles. Adding 90° layers helps the tube maintain its shape better so that it doesn't buckle prematurely.
90° Orientation
As previously mentioned, 90° layers are often added to tubes to make them more resistant to buckling and crushing. High concentrations of 90° or "hoop" layers can also be found in pressure vessels. Since the force is trying to enlarge the tube in a pressure vessel, 90° layers resist the force best. When 90° layers are used in conjunction with 0° layers in a plate, its referred to as bidirectional. Using woven cloth can be an easy way to quickly build parts with fiber in both 0° and 90° directions.
±45° Orientation
45° layers serve different purposes depending on the application. You'll almost always see a +45° paired adjacent to a -45° layer. This is to keep the laminate "balanced" and from forcefully twisting when loaded. When 45° layers are used in a plate that already contains an equal mix of 0° and 90° layers the plate becomes quasi-isotropic. Whereas a bidirectional plate has equal properties in two directions, a quasi-isotropic plate has quasi-equal properties in any direction. In a tube, 45° layers perform the job of adding torsional strength and stiffness. That's because when a tube is twisted, the force acting on the laminate is actually at forty-five-degrees. Some laminates will use angles other than 45° as a compromise between bending, crushing and torsion performance. Since 0° layers aren't possible on filament wound tubes it's common to see 10° or 15° layers use instead.
3 Methods For Producing Carbon Fiber Tube
Roll Wrapping
Roll wrapping is typically done with a prepreg product to ensure consistency. A prepreg is a composite product consisting of fabric or fiber already impregnated with the epoxy resin necessary to hold everything together.
The prepreg material is cut into layers of different fiber orientation. Those layers are then rolled onto a cylindrical rod known as a mandrel. The mandrel and prepreg are then wrapped in a plastic film to contain the epoxy resin and compress the layers during curing. Once curing is complete, the mandrel is removed from the center of the finished tubed.
Roll wrapping results in maximum consistency across both carbon fiber and fiberglass tubing. The process also affords more customization in terms of both fiber/mandrel configuration and production quantities. Roll wrapping is the preferred process for producing small runs.
Pultrusion
The pultrusion process gets its name from its combination of pulling and extrusion principles. Where extrusion forces material through a die by pushing it, pultrusion accomplishes the same thing by pulling the material through the die. Pultruded tubing is created by pulling carbon fiber or fiberglass tow through a heated die as it is being impregnated with epoxy resin. The material is pulled over a mandrel that ensures it holds its shape during the curing process.
The advantage of this process is that it produces a continuous, unidirectional length of tubing that can be cut to size after curing. Since pultrusion is highly automated, it's a much more cost-effective production process than both roll wrapping or filament winding. Pultrusion makes it easy to produce tubing in various lengths and thicknesses simply by changing up both mandrel and die.
The downside of pultrusion is that all the fibers are oriented along the axis of the tube. Having all the fibers in one direction means the tube is very good in tension but can easily split in compression or torsion. The quest for an automated process that can produce balanced tubes brings us to pullbraiding.
Pullbraiding
Pullbraiding is an extension of pultrusion. This process is essentially the same as pultrusion with one added feature: the fibers are braided together as they are being pulled through the heated die and onto the mandrel. Layers of different angles can be made by varying the braid, and even unidirectional layers can be inserted.
Both pultrusion and pullbraiding create finished products with high stiffness and strength-to-weight ratios. But the main advantage of the pullbraiding process is that it creates a more balanced tube that performs under a wide range of loads. It also adds an element of aesthetic beauty since the braid is more in line with the traditional "carbon fiber" look. And since this process is highly automated like pultrusion, pullbraided tubes are often less expensive than roll wrapped or filament wound products.
Frequently Asked Questions
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