Overview
T800 Carbon Fiber is a premium high-strength, intermediate-to-high modulus PAN-based carbon fiber widely used in aerospace, defense, high-performance automotive, motorsports, pressure vessels, and advanced composite structures.
Compared with T700 carbon fiber, T800 offers significantly higher tensile strength and improved structural efficiency while maintaining relatively low density. This combination makes T800 one of the most popular aerospace-grade carbon fibers for applications requiring maximum performance and minimum weight.
T800 Carbon Fiber is widely used in:
- Aerospace Structures
- Satellite Components
- Military Equipment
- High-Performance Automotive Parts
- Formula Racing Components
- Pressure Vessels
- Hydrogen Storage Tanks
- Advanced Robotics
Due to its exceptional strength-to-weight ratio and proven aerospace performance, T800 has become a preferred material for mission-critical composite structures.
Material Specification
| Property | Value |
|---|---|
| Material Designation | T800 |
| Full Name | T800 High-Strength Carbon Fiber |
| Material Family | PAN-Based Carbon Fiber |
| Fiber Type | Continuous Carbon Filament |
| Density | 1.80 g/cm³ |
| Appearance | Black |
| Filament Count Options | 3K, 6K, 12K, 24K |
| Standard Forms | Tow, Fabric, Prepreg, Composite Laminate |
Material Composition
T800 is manufactured from specially processed PAN precursor fibers optimized for ultra-high tensile strength.
| Component | Function |
|---|---|
| Carbon Filaments | Structural Reinforcement |
| Epoxy Resin (Typical Matrix) | Load Transfer |
| Surface Treatment | Fiber-Matrix Bonding |
| Sizing Agent | Composite Processing |
The advanced microstructure provides superior strength while maintaining low weight.
Common T800 Product Forms
| Form | Characteristics |
|---|---|
| T800 3K Fabric | Aerospace Structures |
| T800 6K Fabric | High-Performance Components |
| T800 12K Fabric | Industrial Structures |
| T800 UD Tape | Maximum Directional Strength |
| T800 Prepreg | Aerospace Manufacturing |
| T800 Composite Plate | Structural Applications |
Mechanical Properties
Fiber Properties
| Property | Value |
|---|---|
| Tensile Strength | 5,490–5,880 MPa |
| Tensile Modulus | 294 GPa |
| Elongation at Break | 1.9–2.0% |
| Compressive Strength | Excellent |
| Fatigue Resistance | Outstanding |
Mechanical Performance
| Property | Performance |
|---|---|
| Strength | Outstanding |
| Stiffness | Outstanding |
| Fatigue Resistance | Outstanding |
| Structural Efficiency | Outstanding |
T800 offers significantly higher tensile strength than both T300 and T700 grades.
Physical Properties
| Property | Value |
|---|---|
| Density | 1.80 g/cm³ |
| Carbon Content | >92% |
| Moisture Absorption | Negligible |
| Dimensional Stability | Outstanding |
| Weight Reduction vs Steel | Up to 80% |
The combination of low density and ultra-high strength delivers exceptional lightweight performance.
Thermal Properties
| Property | Value |
|---|---|
| Coefficient of Thermal Expansion | Near Zero |
| Thermal Conductivity | 10–30 W/m·K |
| Thermal Stability | Excellent |
| Continuous Composite Service Temperature | 120–180°C |
| Fiber Temperature Capability | >2000°C (Non-Oxidizing Environment) |
T800 composites maintain dimensional accuracy across varying temperatures.
Strength-to-Weight Ratio
| Material | Density (g/cm³) | Tensile Strength |
|---|---|---|
| T800 Carbon Fiber | 1.80 | 5,700 MPa |
| T700 Carbon Fiber | 1.80 | 4,900 MPa |
| T300 Carbon Fiber | 1.76 | 3,530 MPa |
| Titanium Grade 5 | 4.43 | 950 MPa |
T800 provides one of the highest specific strengths available among commercial structural materials.
Electrical Properties
Typical Values
| Property | Value |
|---|---|
| Electrical Conductivity | Moderate |
| Surface Resistivity | Low |
| Static Dissipation | Excellent |
| EMI Shielding Capability | Good |
| Conductive Material | Yes |
Electrical Performance
| Property | Performance |
|---|---|
| Electrical Conductivity | Good |
| EMI Shielding | Good |
| Static Control | Excellent |
| Electronics Applications | Suitable |
Like all aerospace-grade carbon fibers, T800 is electrically conductive.
Corrosion Resistance
| Environment | Performance |
|---|---|
| Fresh Water | Excellent |
| Salt Water | Excellent |
| Marine Atmosphere | Excellent |
| Industrial Environment | Excellent |
| Outdoor Exposure | Excellent |
T800 composites provide excellent resistance to environmental degradation.
Fatigue Resistance
| Property | Performance |
|---|---|
| Cyclic Loading Resistance | Outstanding |
| Structural Durability | Outstanding |
| Long-Term Reliability | Outstanding |
| Vibration Resistance | Excellent |
The superior fatigue performance makes T800 suitable for aerospace and racing applications.
Chemical Resistance
| Chemical Environment | Performance |
|---|---|
| Water | Excellent |
| Fuels | Excellent |
| Oils | Excellent |
| Alcohols | Excellent |
| Mild Acids | Good |
| Mild Alkalis | Good |
Chemical resistance depends primarily on the resin system used.
Manufacturing Characteristics
| Manufacturing Process | Rating |
|---|---|
| Prepreg Layup | Outstanding |
| Autoclave Processing | Outstanding |
| Resin Transfer Molding (RTM) | Excellent |
| Compression Molding | Excellent |
| Vacuum Infusion | Excellent |
T800 is commonly processed using aerospace-grade composite manufacturing methods.
Machinability
| Process | Rating |
|---|---|
| CNC Milling | Excellent |
| CNC Drilling | Excellent |
| Waterjet Cutting | Outstanding |
| Precision Machining | Excellent |
Diamond-coated tooling is recommended for high-quality machining results.
International Standards
| Standard | Equivalent |
|---|---|
| ASTM Composite Standards | Applicable |
| ISO Carbon Fiber Standards | Applicable |
| Aerospace Composite Standards | Applicable |
| Military Composite Standards | Applicable |
| GB/T (China) | T800级碳纤维 |
Available Forms
| Product Type | Availability |
|---|---|
| Carbon Fiber Tow | Yes |
| Woven Fabric | Yes |
| Unidirectional Tape | Yes |
| Prepreg | Yes |
| Composite Sheet | Yes |
| Machined Components | Yes |
Typical Applications
Aerospace Industry
- Aircraft Structures
- Wing Components
- Satellite Structures
- Spacecraft Components
Defense Industry
- Military UAVs
- Lightweight Armor Systems
- Missile Structures
- Communication Equipment
High-Performance Automotive
- Formula Racing Chassis
- Supercar Structures
- Suspension Components
- Lightweight Body Panels
Energy Industry
- Hydrogen Storage Tanks
- Composite Pressure Vessels
- High-Pressure Cylinders
Robotics
- Lightweight Robotic Arms
- Precision Automation Equipment
- High-Speed Motion Systems
Marine Industry
- Racing Yacht Structures
- Lightweight Marine Components
- Offshore Equipment
Advantages
Ultra-High Tensile Strength
Provides significantly greater strength than T700 and T300 grades.
Outstanding Strength-to-Weight Ratio
Enables extreme weight reduction in structural applications.
Aerospace-Grade Reliability
Widely used in certified aerospace and defense programs.
Excellent Fatigue Resistance
Suitable for cyclic and dynamic loading environments.
Superior Structural Efficiency
Allows designers to reduce material usage while maintaining performance.
Proven Performance
One of the most widely adopted premium carbon fibers in advanced composites.
Limitations
Higher Material Cost
More expensive than T300 and T700 carbon fiber grades.
Complex Processing Requirements
Often requires advanced composite manufacturing processes.
Conductive Material
May require electrical isolation in certain applications.
Impact Sensitivity
Like most carbon fibers, localized impact damage can occur without visible surface indications.
Comparison with Carbon Fiber Grades
| Property | T300 | T700 | T800 |
|---|---|---|---|
| Tensile Strength | 3,530 MPa | 4,900 MPa | 5,490–5,880 MPa |
| Tensile Modulus | 230 GPa | 230 GPa | 294 GPa |
| Elongation | 1.5% | 2.1% | 1.9% |
| Cost | Lower | Moderate | Higher |
| Aerospace Usage | Common | Very Common | Premium |
Comparison with T700 Carbon Fiber
| Property | T800 | T700 |
|---|---|---|
| Tensile Strength | Higher | |
| Tensile Modulus | Higher | |
| Structural Efficiency | Better | |
| Cost | Higher | |
| Aerospace Applications | More Advanced |
T800 is typically selected when maximum structural performance and weight reduction are critical.
Available Surface Finishes
Standard Finishes
- Plain Weave
- Twill Weave
- Satin Weave
Functional Finishes
- Aerospace Grade Surface
- Structural Composite Finish
- UV Resistant Coating
Specialty Configurations
- T800 3K Carbon Fiber
- T800 6K Carbon Fiber
- T800 12K Carbon Fiber
- T800 UD Tape
- T800 Aerospace Prepreg
Frequently Asked Questions (FAQ)
What is T800 Carbon Fiber?
T800 is a premium high-strength carbon fiber widely used in aerospace, defense, automotive, and advanced composite applications.
What is T800 Carbon Fiber used for?
Typical applications include:
- Aircraft Structures
- Satellites
- Racing Vehicles
- Hydrogen Storage Tanks
- Military Equipment
Is T800 stronger than T700?
Yes. T800 typically provides tensile strength above 5,500 MPa, compared with approximately 4,900 MPa for T700.
Is T800 Carbon Fiber lightweight?
Yes. It maintains a density of approximately 1.80 g/cm³ while delivering extremely high mechanical performance.
Why is T800 used in aerospace?
Because it offers outstanding strength, stiffness, fatigue resistance, and weight reduction.
Why choose T800 Carbon Fiber?
Because it combines:
- Ultra-High Strength
- Excellent Stiffness
- Lightweight Construction
- Aerospace Reliability
- Outstanding Fatigue Resistance
What is the difference between T800 and T700?
T800 provides higher tensile strength and modulus, while T700 offers a more economical solution with excellent overall performance.
Does GCNOV provide T800 Carbon Fiber manufacturing services?
Yes. GCNOV provides:
- T800 Carbon Fiber Component Manufacturing
- Aerospace Composite Fabrication
- Precision CNC Machining
- Structural CFRP Components
- Prototype Development
- Low-Volume Production
- Mass Production