{"product_id":"pultruded-square-inner-round-hollow-carbon-fiber-tube-10-10mmod-8-5mmid-1000mml","title":"Pultruded Square inner round Hollow carbon Fiber Tube 10*10mm(OD) * 8.5mm(ID) * 1000mm(L)","description":"\u003cmeta name=\"description\" content=\"Buy Pultruded Square inner round Hollow carbon Fiber Tube 10*10mm(OD) * 8.5mm(ID) * 1000mm(L) online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003ePultruded Square inner round Hollow carbon Fiber Tube 10*10mm(OD) * 8.5mm(ID) * 1000mm(L)\u003c\/h1\u003e\n\n\u003cp\u003eThis pultruded square hollow carbon fiber tube features a 10mm outer diameter with an 8.5mm inner diameter and 1000mm length, engineered using advanced pultrusion technology for consistent fiber-matrix integration and superior structural integrity. Professional engineers and composite specialists utilize these tubes in aerospace components, robotics arms, drone frames, and precision mechanical assemblies where weight reduction and high stiffness-to-weight ratios are critical performance parameters. This product solves the challenge of needing lightweight yet rigid structural members that maintain dimensional stability under thermal and mechanical stress while eliminating the corrosion concerns associated with metal alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003ePultruded carbon fiber tubes are manufactured through a continuous pultrusion process where carbon fiber rovings are drawn through a heated resin bath and then through a shaped die, creating a unidirectional fiber composite with exceptional longitudinal strength and stiffness. The square cross-section with rounded inner corners provides superior load distribution characteristics compared to simple hollow tubes, while the 1.25mm wall thickness delivers optimal strength-to-weight balance for structural applications. The pultrusion manufacturing method ensures consistent fiber volume fraction, uniform wall thickness, and repeatable mechanical properties across the entire 1000mm length, making these tubes ideal for precision engineering applications where tolerance and performance predictability are essential.\u003c\/p\u003e\n\n\u003cp\u003eThe square geometry with inner round configuration maximizes moment of inertia for bending resistance while maintaining the handling and assembly advantages of a square profile. Carbon fiber composites exhibit superior fatigue resistance compared to aluminum or steel, making them exceptionally suitable for cyclic loading applications. The 10x10mm outer dimension provides excellent stiffness characteristics while remaining lightweight, with typical density around 1.6 g\/cm3 compared to 2.7 g\/cm3 for aluminum, resulting in approximately 40% weight savings for equivalent structural performance in most applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePultruded Hollow Carbon Fiber Tube - Square Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter (OD)\u003c\/td\u003e\n\u003ctd\u003e10mm x 10mm Square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter (ID)\u003c\/td\u003e\n\u003ctd\u003e8.5mm Rounded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e1.25mm Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial Composition\u003c\/td\u003e\n\u003ctd\u003eCarbon Fiber Reinforced Polymer (CFRP) - Unidirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Volume Fraction\u003c\/td\u003e\n\u003ctd\u003eApproximately 60-65%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.6 g\/cm3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003eApproximately 600-700 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexural Modulus\u003c\/td\u003e\n\u003ctd\u003eApproximately 40-45 GPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Process\u003c\/td\u003e\n\u003ctd\u003eContinuous Pultrusion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Finish\u003c\/td\u003e\n\u003ctd\u003eSmooth Composite Surface - Ready for Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePremium Grade Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eUnidirectional Carbon Fiber Construction: Optimized fiber alignment provides maximum longitudinal stiffness and tensile strength while maintaining consistent structural properties throughout the 1000mm length\u003c\/li\u003e\n\u003cli\u003ePrecision Pultrusion Manufacturing: Continuous production process ensures uniform wall thickness of 1.25mm, repeatable fiber volume fraction, and dimensional accuracy within tight tolerances for seamless assembly integration\u003c\/li\u003e\n\u003cli\u003eSquare Profile with Rounded Inner Corners: Geometry maximizes bending moment of inertia while the rounded inner surface eliminates stress concentration points, improving fatigue life and impact resistance\u003c\/li\u003e\n\u003cli\u003eLightweight High-Performance Material: Carbon fiber composite delivers 40% weight reduction compared to aluminum while providing superior stiffness, making it ideal for weight-critical aerospace and robotics applications\u003c\/li\u003e\n\u003cli\u003eExceptional Fatigue Resistance: Superior performance under cyclic loading conditions compared to metallic alternatives, with minimal creep and excellent long-term dimensional stability\u003c\/li\u003e\n\u003cli\u003eCorrosion and Chemical Resistant: Inherent resistance to moisture, saltwater, and most industrial chemicals eliminates protective coatings and maintenance requirements\u003c\/li\u003e\n\u003cli\u003eThermal Stability: Low coefficient of thermal expansion ensures dimensional consistency across temperature variations from -40 to +80 degrees Celsius\u003c\/li\u003e\n\u003cli\u003eReady-to-Use Configuration: Smooth composite surface and standard 1000mm length accommodate immediate integration into assemblies with minimal post-processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAerospace and Aviation Components: Structural reinforcement elements in aircraft fuselage assemblies, wing components, and control surface mechanisms where weight reduction directly improves fuel efficiency and payload capacity\u003c\/li\u003e\n\u003cli\u003ePrecision Robotics and Automation: Lightweight arm segments and joint reinforcement in industrial robotic systems where reduced inertia improves acceleration rates, cycle times, and energy consumption in manufacturing automation\u003c\/li\u003e\n\u003cli\u003eDrone and UAV Frames: Primary structural members in unmanned aerial vehicle frames where the exceptional stiffness-to-weight ratio extends flight duration and payload capacity while maintaining structural rigidity\u003c\/li\u003e\n\u003cli\u003eMedical Device Assemblies: Non-conductive structural supports and positioning mechanisms in diagnostic imaging equipment and surgical instruments where electromagnetic interference immunity and dimensional stability are critical\u003c\/li\u003e\n\u003cli\u003eHigh-Performance Sporting Equipment: Structural components in racing bicycles, rowing shells, and precision sporting instruments where weight savings and vibration damping characteristics enhance competitive performance\u003c\/li\u003e\n\u003cli\u003ePrecision Measurement and Instrumentation: Rigid support structures and mounting frames in optical systems, laser equipment, and precision measurement instruments requiring exceptional dimensional stability and zero magnetic interference\u003c\/li\u003e\n\u003cli\u003eAutomotive and Racing Applications: Suspension components, roll cage reinforcement, and structural bracing in high-performance vehicles where weight reduction improves acceleration and handling characteristics\u003c\/li\u003e\n\u003cli\u003eIndustrial Machinery and Equipment: Lightweight structural reinforcement in conveyor systems, positioning mechanisms, and machinery frames where reduced vibration and extended service life reduce maintenance costs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBefore integrating this pultruded carbon fiber tube into your assembly, inspect the entire 1000mm length for any surface damage, delamination, or manufacturing defects. The tube arrives ready for use with a smooth composite surface that requires no additional finishing. For mechanical assembly, use standard drilling techniques with carbide-tipped drill bits at moderate speeds (1000-2000 RPM) to create mounting holes, and always use backing plates to prevent delamination at exit points. Apply cutting compound or water-based coolant during drilling operations to extend tool life and maintain hole quality. The tube can be cut to shorter lengths using a fine-toothed saw or abrasive cutoff wheel with water cooling to prevent resin matrix degradation.\u003c\/p\u003e\n\n\u003cp\u003eFor adhesive bonding applications, prepare the surface using light sanding with 120-150 grit sandpaper to remove any mold release agent, then clean thoroughly with acetone or isopropyl alcohol before applying structural epoxy or polyurethane adhesives. For mechanical fastening, use stainless steel or titanium hardware to prevent galvanic corrosion at the composite interface, and apply thread-locking compound to prevent vibration-induced loosening in dynamic applications. When designing load-bearing assemblies, account for the unidirectional fiber orientation which provides maximum strength along the tube length but reduced transverse strength; reinforce with additional composite plies or metal inserts for applications involving significant lateral loads. Always store the tubes in a dry environment away from direct sunlight, as UV exposure can degrade the resin matrix over extended periods.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between pultruded and wound carbon fiber tubes?\u003c\/summary\u003e\n\u003cp\u003ePultruded tubes feature unidirectional fiber alignment along the tube axis, providing maximum longitudinal stiffness and tensile strength with consistent wall thickness and excellent dimensional tolerances. Wound tubes have fibers wrapped at specific angles (typically 0\/90 degree combinations), offering more balanced multidirectional properties and superior transverse strength. For applications requiring maximum longitudinal stiffness with minimal weight, pultruded tubes are superior; for applications with combined loading directions, wound tubes provide better overall performance. This pultruded design is optimized for structural support and axial loading applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan this carbon fiber tube be machined or cut to shorter lengths?\u003c\/summary\u003e\n\u003cp\u003eYes, this tube can be cut using a fine-toothed hacksaw, abrasive cutoff wheel, or band saw with water cooling to prevent resin matrix degradation and delamination. Use moderate cutting speeds and apply cutting fluid to extend tool life. After cutting, sand the cut edges with 120-150 grit sandpaper to remove any rough fibers or resin burrs. For drilling mounting holes, use carbide-tipped bits at 1000-2000 RPM with cutting compound, and always back the exit point with a support block to prevent delamination. Avoid high-speed grinding or cutting without coolant, as friction heat can damage the resin matrix.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum load this tube can support?\u003c\/summary\u003e\n\u003cp\u003eThe maximum load depends on your specific application geometry, loading direction, and safety factor requirements. With a tensile strength of approximately 600-700 MPa and flexural modulus of 40-45 GPa, this tube provides excellent strength-to-weight performance. For cantilever beam applications with the 10mm dimension as the span, typical deflection is approximately 0.5-1mm per kilogram of distributed load. For precise load calculations, consult engineering tables for composite beam deflection or conduct finite element analysis specific to your assembly configuration. We recommend consulting with a structural engineer for critical load-bearing applications to ensure safety factors meet your design requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this tube suitable for outdoor or marine applications?\u003c\/summary\u003e\n\u003cp\u003eCarbon fiber composites exhibit excellent corrosion resistance and are highly suitable for outdoor and marine environments where saltwater exposure would rapidly degrade aluminum or steel components. The resin matrix provides inherent protection against moisture absorption and chemical attack. However, extended UV exposure can gradually degrade the resin surface over years of direct sunlight exposure. For long-term outdoor marine applications, consider applying a UV-protective clear coating or paint finish to extend service life indefinitely. The tube itself will not corrode, rust, or require protective coatings like metal alternatives.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India. Express shipping options may be available for urgent requirements. You will receive tracking information via email and WhatsApp immediately after dispatch.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage, misuse, improper cutting, drilling, or assembly. All products are inspected before\n\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy Pultruded Square inner round Hollow carbon Fiber Tube 10*10mm(OD) * 8.5mm(ID) * 1000mm(L) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003ePultruded Square inner round Hollow carbon Fiber Tube 10*10mm(OD) * 8.5mm(ID) * 1000mm(L)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743741489409,"sku":"TES-EV0882481","price":1259.28,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/Square-Carbon-Fiber-Rod-5-314x252_00706151-1121-4c93-8718-21e02b85d1a0.jpg?v=1778062523","url":"https:\/\/techdepot.in\/products\/pultruded-square-inner-round-hollow-carbon-fiber-tube-10-10mmod-8-5mmid-1000mml","provider":"Tech Depot India","version":"1.0","type":"link"}