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1mm To 50mm Diameter Carbon Fiber Rod - Custom Sizes Available

1mm To 50mm Diameter Carbon Fiber Rod - Custom Sizes Available

Our carbon fiber rods are manufactured using domestically produced T700-grade carbon fibers and specialized epoxy resin systems through precision-controlled automated production lines, with diameters ranging from 1mm to 50mm. Compared to traditional metal materials, our carbon fiber rods demonstrate significant advantages: density of only 1.5-1.8g/cm³, 40% lighter than aluminum and 75% lighter than steel; tensile strength reaching 3500-5000MPa, 5-7 times that of ordinary steel; elastic modulus of 230-300GPa, exhibiting excellent deformation resistance. The products employ unique fiber layup design and resin formulation optimization technologies to ensure isotropic properties, with transverse strength improved by over 30% compared to conventional products. All products are ISO9001 certified, with critical dimensional tolerances controlled within ±0.05mm, straightness deviation not exceeding 0.1mm/m, and surface roughness reaching below Ra0.3μm. We can also provide various surface treatment options according to customer requirements, including polishing, sandblasting, conductive coatings and other special treatments.
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Product Overview and Technical Advantages

Our carbon fiber rods are manufactured using domestically produced T700-grade carbon fibers and specialized epoxy resin systems through precision-controlled automated production lines, with diameters ranging from 1mm to 50mm. Compared to traditional metal materials, our carbon fiber rods demonstrate significant advantages: density of only 1.5-1.8g/cm³, 40% lighter than aluminum and 75% lighter than steel; tensile strength reaching 3500-5000MPa, 5-7 times that of ordinary steel; elastic modulus of 230-300GPa, exhibiting excellent deformation resistance. The products employ unique fiber layup design and resin formulation optimization technologies to ensure isotropic properties, with transverse strength improved by over 30% compared to conventional products. All products are ISO9001 certified, with critical dimensional tolerances controlled within ±0.05mm, straightness deviation not exceeding 0.1mm/m, and surface roughness reaching below Ra0.3μm. We can also provide various surface treatment options according to customer requirements, including polishing, sandblasting, conductive coatings and other special treatments.

 

Technical parameter comparison table:

Diameter Range(mm) Tensile Strength(MPa) Elastic Modulus(GPa) Density(g/cm³) CTE(10⁻⁶/℃) Surface Roughness(μm)
1-5 3200-3500 220-230 1.55-1.60 0.8-1.0 0.2-0.5
6-15 3500-4000 230-250 1.60-1.65 0.7-0.9 0.5-1.2
16-30 3800-4500 250-280 1.65-1.70 0.6-0.8 1.2-2.0
31-50 4000-5000 280-300 1.70-1.80 0.5-0.7 2.0-3.5

 

Material Selection and Performance Optimization

We offer multiple performance grades of carbon fiber rods to meet different application scenarios. Standard products use conventional epoxy resin systems with excellent cost-performance ratios, suitable for most industrial fields; lightweight products optimize fiber arrangement and resin formulations to reduce density to 1.45g/cm³, especially suitable for weight-sensitive applications; enhanced products use high-modulus carbon fibers and high-temperature resistant resins with elastic modulus exceeding 300GPa and operating temperature range extended to 200°C. All products undergo rigorous weathering tests including 2000-hour salt spray tests, 100 cycles of -50°C to 120°C thermal cycling tests, and UV aging tests. We have also developed special functional products such as conductive type (volume resistivity 10³-10⁵Ω·cm) and anti-static type (volume resistivity 10⁶-10⁹Ω·cm) to meet the needs of specialized fields like electronic equipment and medical instruments.

 

Product series performance comparison table:

Product Type Density(g/cm³) Tensile Strength(MPa) Elastic Modulus(GPa) Max Operating Temp(℃) Thermal Conductivity(W/m·K) Typical Applications
Standard 1.60 3500 230 120 8 Industrial equipment, sports goods
Lightweight 1.45 3200 210 100 5 UAVs, medical devices
Enhanced 1.75 4500 300 200 12 Aerospace, military equipment
Conductive 1.65 3800 250 150 15 Electronic devices, semiconductors
Anti-static 1.62 3600 240 130 10 Medical equipment, precision instruments

 

Industry Application Solutions

Our carbon fiber rods have been successfully applied in multiple high-end manufacturing fields. In aerospace, 10-25mm diameter products are used in aircraft structures and satellite components, achieving over 40% weight reduction and 3-5 times improvement in fatigue life. The medical industry uses 3-8mm precision rods to manufacture surgical navigation systems and orthopedic external fixation devices, with biocompatibility and X-ray transparency significantly superior to metal materials. Industrial automation applications employ 20-40mm specification products to manufacture high-precision linear guides and robotic arm structures, with friction coefficients as low as 0.15 and wear resistance 5-8 times that of metal materials. Sports equipment manufacturers select 5-15mm rods to produce high-end badminton rackets and golf clubs, where unique damping designs can improve athlete performance by over 15%. The new energy industry uses our corrosion-resistant carbon fiber rods in wind power equipment and photovoltaic supports, extending service life by 5-7 times in harsh outdoor environments.

 

Industry application parameter table:

Application Field Recommended Diameter(mm) Weight Reduction Life Extension Temperature Range(℃) Key Performance Advantages
Aerospace 10-25 35-45% 3-5x -55~120 High specific strength, fatigue resistance
Medical Devices 3-8 50-60% 2-3x -20~135 Biocompatibility, radiolucency
Industrial Automation 20-40 30-40% 4-6x -30~150 Low friction, high wear resistance
Sports Equipment 5-15 40-50% 2-4x -20~80 Excellent damping, energy return
New Energy 15-30 25-35% 5-7x -40~100 Corrosion resistance, UV resistance

 

Quality Assurance System

We have established a comprehensive quality control system with strict inspections at every stage from raw materials to finished products. For raw materials, carbon fiber tensile strength must be ≥4900MPa, resin viscosity controlled at 800-1200cP(25°C), and fiber resin content maintained at 32±2%. The production process employs automated monitoring systems with temperature control accuracy of ±1°C and pressure control accuracy of ±0.05MPa. Finished product inspections include: visual inspection (GB/T 1446), diameter tolerance (GB/T 1449, ±0.05mm), straightness (GB/T 11336, ≤0.1mm/100mm), tensile properties (GB/T 3354), bending properties (GB/T 1449), and internal defect detection (GB/T 12604.2, no defects ≥0.3mm). All test data is recorded and archived to ensure full traceability.

 

Quality inspection standard table:

Inspection Item Inspection Standard Qualification Criteria Inspection Equipment
Visual Inspection GB/T 1446 No cracks, bubbles, delamination Industrial microscope
Diameter Tolerance GB/T 1449 ±0.05mm Laser diameter gauge
Straightness GB/T 11336 ≤0.1mm/100mm Optical collimator
Tensile Properties GB/T 3354 ≥95% of nominal value Universal testing machine
Bending Properties GB/T 1449 ≥95% of nominal value Three-point bending tester
Internal Defects GB/T 12604.2 No defects ≥0.3mm Ultrasonic flaw detector

 

Customization Service Process

We provide comprehensive customization services with standard delivery lead time of 15-20 working days, which can be expedited to 7-10 working days. The customization process includes:

1) Requirement confirmation phase (1-3 days): technical requirement research, application scenario analysis;

2) Sample development phase (7-10 days): mold design and manufacturing, trial production, sample testing;

3) Mass production phase (10-15 days): raw material preparation, production process control, finished product inspection;

4) After-sales service phase: technical consultation, quality issue resolution, regular follow-up. We support minimum order quantity of 1 meter and can provide continuous lengths up to 12 meters. All customized products come with complete technical documentation packages including material safety data sheets, product performance test reports, quality certificates, operation and maintenance manuals, etc.

 

Customization service timeline:

Service Phase Standard Lead Time Expedited Lead Time Deliverables
Requirement Confirmation 1-3 working days 1 working day Technical proposal
Sample Development 7-10 working days 5-7 working days Test samples + test report
Mass Production 10-15 working days 7-10 working days Finished products + full inspection report
Logistics Delivery 3-5 working days 1-2 working days Professional packaging + shipment tracking

 

Technical Support and After-Sales Service

Our technical team composed of materials science experts and engineers provides full-range support from material selection to application maintenance. Services include: 1) Material selection consultation: recommending the most suitable product specifications based on application environment; 2) Structural design optimization: improving product design through CAE analysis; 3) Connection process guidance: providing solutions for bonding, mechanical connections, etc.; 4) Failure analysis services: assisting in diagnosing and resolving product usage issues. We promise to respond to customer inquiries within 24 hours and provide solutions within 5 working days. All customers have dedicated files for regular follow-up on product usage. For key customers, we can also provide on-site technical training and operation guidance services.

 

Technical service content table:

Service Type Service Content Response Time Deliverables
Technical Consultation Material selection, application guidance Within 2 hours Professional recommendation
Design Optimization CAE analysis, structural improvement 5-7 working days Optimized design solution
Process Support Connection solutions, surface treatment recommendations 3-5 working days Process guidance manual
Failure Analysis Problem diagnosis, improvement suggestions 7-10 working days Analysis report + solution
Regular Follow-up Usage tracking, preventive maintenance Quarterly Service report

Typical Applications

Application Field Recommended Material Reason
Aerospace Carbon fiber / titanium Lightweight + high strength + corrosion resistance
Automotive Carbon fiber (high-end) / aluminum (budget) Weight reduction + fuel efficiency
Sports Equipment Carbon fiber High strength-to-weight ratio + vibration damping
Construction/Machinery Steel / aluminum Low cost + easy machining
Marine Engineering Carbon fiber / titanium Seawater corrosion resistance

 

How To Safely Cut Carbon Fiber Tubing In Your Shop
 

Safety Precautions

Personal Protective Equipment (PPE)

Respirator (N95 or better) – Carbon fiber dust is hazardous when inhaled.

Safety goggles – Prevent eye irritation from airborne particles.

Gloves (nitrile or cut-resistant) – Protect hands from sharp edges.

Long sleeves & pants – Minimize skin contact with dust.

Workspace Setup

Ventilation: Use a fume extractor or work in a well-ventilated area.

Dust control: Attach a HEPA vacuum to your cutting tool if possible.

Cleanup: Wet-wipe surfaces afterward-never sweep dry dust.

 

Tools for Cutting Carbon Fiber Rods

Tool Best For Pros Cons
Diamond/Grit Saw Precise straight cuts Clean edges, minimal fraying Expensive blades, slower cutting
Rotary Tool (Dremel) Small-diameter rods Good for tight spaces Can generate excessive dust
Band Saw Thick rods (>10mm) Fast cutting Rough edges, requires sanding
Hacksaw (Fine Teeth) Emergency cuts Low cost Ragged cuts, high effort

Common Mistakes to Avoid

Dry cutting without dust extraction → Health risk
Using dull blades → Ragged edges, increased dust
Cutting too fast → Heat buildup damages resin
Ignoring frayed ends → Weakens structural integrity

 

 

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