High-Temperature CFC Fasteners 2000°C+
- Reliable Strength at Extreme Temperatures: Engineered with carbon carbon composite materials, these high-temperature CFC fasteners maintain stable mechanical strength and thread integrity under continuous operation up to 2200°C.
- Low Thermal Expansion for Secure Clamping: The composite structure minimizes thermal expansion, ensuring the fasteners hold consistent torque during rapid heating and cooling cycles in demanding furnace environments.
- Excellent Resistance to Thermal Shock: Designed to withstand sudden temperature changes, CFC fasteners resist cracking, deformation, and structural fatigue common in high-cycle thermal processing systems.
- Lightweight Construction for Improved Efficiency: Significantly lighter than metal counterparts, CFC fasteners reduce hot zone mass, improving furnace heating responsiveness and helping shorten overall cycle times.
- Long Service Life in Harsh Furnace Conditions: Built to perform in vacuum and controlled atmospheres, these fasteners offer long-term durability with strong resistance to oxidation, wear, and repeated mechanical load cycles.
Description
High-temperature CFC fasteners
High-temperature CFC fasteners give furnace engineers a reliable solution when traditional metal hardware cannot withstand extreme heat. We design each carbon carbon composite bolt and nut to deliver stable strength and precise clamping in environments that reach temperatures up to 2200°C. These fasteners stay strong during rapid heating, long holding cycles, and thermal shock conditions. This page explains how our high-temperature CFC fasteners support demanding applications across vacuum furnaces, sintering systems, and thermal processing equipment.
Why High-Temperature CFC Fasteners Matter
Most metal bolts lose strength or deform when exposed to continuous high heat. CFC materials solve this problem because carbon carbon composite maintains its mechanical performance even under extreme thermal environments. The material keeps its structure, prevents thread failure, and delivers consistent torque retention.
CFC fasteners show exceptional dimensional stability thanks to their low thermal expansion. This helps engineers maintain accurate alignment and steady clamping force throughout each furnace run.
Performance at Extreme Temperatures
Our high-temperature CFC bolts and nuts offer several key advantages in elevated conditions:
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Strength up to 2200°C without deformation
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Low thermal expansion to maintain tight, predictable assembly
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Thermal shock resistance for rapid heating and cooling cycles
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Oxidation resistance in vacuum and controlled atmospheres
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Lightweight structure that reduces furnace thermal mass
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Extended service life for continuous industrial operation
These features help increase furnace uptime and ensure stable processing results.
Our Range of CFC Fastening Components
High-Temperature Fastening Solutions for Demanding Thermal Systems
CFC Bolts
CFC Bolts & Nuts
Round CFC Bolts
CFC Springs
Washers & Spacers
Threaded Rods & Studs
Tapered Pins & Locating Pins
Non-standard Fasteners
recommend Specification
FEATHERMO C/C Composites Strength & Thermal Stability
| Grade | Bulk Density | Flexural Strength |
Youngs Modulus |
Interlaminar C Shear Strength |
ompressive Strength |
Electrical Resistivity |
Temperature Rating |
| FE-80 Short fiber) |
1.65g/cm³ | 200MPa | 45GPa | 18MPa | 120MPa | 20μS2m | 2000℃ |
| FE-12 [Long fiber] |
1.2g/cm³ | 120MPa | 40GPa | 10MPa | 100MPa | 15~40μS2m | 2000℃ |
| FE-14 [Long fiber] |
1.4g/cm³ | 120MPa | 40GPa | 10MPa | 100MPa | 15~40μΩm | 2000℃ |
| FE-25 [Long fiber] |
1.5g/cm³ | 150MPa | 30GPa | 12MPa | 140MPa | 15~30μs2m | 2000℃ |
*The parameters in this table are for standard products. If high purity products are required, purification treatment can be provided, with a purified ash content of ≤20PPM maximum.
*The above values are typical, not guaranteed.
*Special needs and high-end series products can be customized through negotiation and communication with our company.
Key Features of Carbon Carbon Composite Fasteners
25 Years of Dedicated Experience in Graphite & Carbon Solutions
Built from high-purity carbon-carbon matrix materials, our CFC bolts and nuts exhibit a distinct performance profile tailored for use in extreme environments. These properties make carbon carbon composite fasteners ideal for precision fastening in environments where performance cannot be compromised by temperature, weight, or corrosion.Their technical advantages include:
Outstanding Thermal Stability
Operate reliably in sustained temperatures over 2000°C without distortion or strength loss.
01
Superior Mechanical Strength & Rigidity
Retain high tensile strength and modulus, ensuring consistent clamping force and structural reliability under stress.
02
Low Coefficient of Thermal Expansion
Dimensional changes are minimal, eliminating the risks of loosening or warping under extreme heat.
03
Excellent Resistance to Corrosion and Chemical Attack
Withstand acids, alkalis, and reactive atmospheres - ideal for vacuum, inert, or harsh chemical process conditions.
04
Thermal & Electrical Conductivity
Functional in electrothermal systems where conductivity is a performance factor.
05
Customized High-Temperature CFC Fasteners
Some furnace applications require fasteners with special shapes, unique thread profiles, or higher load capacity than standard parts can provide. To meet these needs, we offer custom high-temperature CFC fasteners designed to match the exact requirements of your furnace system.
Our team reviews your operating temperature, thermal cycling behavior, and mechanical loads to determine the best combination of length, diameter, thread type, and composite structure. This ensures each fastener delivers stable performance at temperatures up to 2200°C.
Available custom options include non-standard bolt lengths, special thread forms, reinforced heads, and lightweight configurations for reduced thermal mass. Every part is machined with tight tolerances to maintain consistent fit and reliable clamping force during repeated furnace cycles.
If your project requires non-standard high-temperature bolts, nuts, or screws, we can supply accurately machined CFC components that integrate seamlessly into your hot zone design.
Applications for High-Temperature CFC Fasteners
Engineers use our high-temperature CFC hardware in many extreme furnace environments:
- Vacuum furnace hot zones
- Sintering and heat-treating equipment
- Graphite and CFC structural assemblies
- Semiconductor processing chambers
- High-temperature insulation support frames
- Custom thermal processing fixtures
These fasteners support stable furnace performance and help maintain uniform temperature distribution during each cycle.
Manufacturing Capabilities & Quality Assurance
We manufacture all CFC profiles in our ISO-certified facility, using advanced forming, machining, and curing processes. Every part undergoes stringent quality inspection, and we support:
- Engineering review and co-design
- Rapid prototyping and precision machining
- Global logistics and documentation
- Full traceability and material certification upon request
We specialize in CFC materials for extreme thermal applications. Our high-temperature fasteners appear in vacuum furnaces, advanced materials labs, and semiconductor heat-treatment systems around the world. We maintain strict quality control and precision machining to ensure each fastener performs reliably under the toughest conditions.
Our team helps you choose the right CFC fasteners for your temperature, load, and furnace requirements.
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