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CFC Round Nuts

$13.00

CFC Round Nuts, manufactured from chopped CFC fibers are lightweight and offer superior performance for high-temperature applications. The round design is for applications looking to prevent overtightening when fastening nuts. Material is also referred to as Carbon Fiber Composites, Carbon-Carbon, or Caron Reinforced Matrix Composites.

Typically purchased in combination with our CFC Threaded Rods. Need a different size or thickness? Contact us directly for a custom quote.

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Description

Temperature Rating:

In vacuum – 3000℃

Grade: PC70 Round Nuts

Benefits
  • High strength and modulus
  • Fire-resistant and dimensionally stable
  • The round shape prevents overtightening when fastening
  • Configuration of Carbon Fabric
  • Fatigue and fracture resistance. Cracks will not propagate as with molded graphite fixtures
  • Lightweight and low thermal mass permitting one to load more parts in each furnace due to the material’s excellent strength to weight ratio while reducing cycle time
  • Thermal deformation-resistant. CFC will remain flat and increase in strength at elevated temperatures reducing scrap and maintaining stricter part tolerances in comparison to a metal that warps over time
Applications
  • Aerospace and military
  • Heat treating and furnace fixtures
  • Primary and secondary structures
  • Windmill blades
  • Brake linings, automotive, and tooling
  • Solid rocket nozzles
Properties
Typical PropertiesUnitsPC70PC70HWL60IC50
Fiber Direction / LengthRandom / ShortRandom / ShortUnidirectional 0° / 90° / LongRandom / Short
Bulk Densityg/cm³1.71.7+1.61.5
Flexural StrengthMPa200200+100100
Tensile StrengthMPa120145200N/A
Youngs ModulusGPa455065N/A
Compressive StrengthMPa120200+N/AN/A
Interlaminar Shear StrengthMPa1919+1110
(Room Temp‑1300℃)
Coefficient of Thermal Expansion

10 -6/℃
10 -6/℃
1.3
10
TBA
TBA
1.1
9
1.1
9
Thermal Conductivity
W/m · k35
12
35
12
33
10
35
12
Specific Heat20℃J/Kg · K720720TBA720
Electrical ResistivityμΩcm2800TBA2800N/A
Charpy Impact StrengthKJ/m²2020TBATBA
Shore Hardness75TBATBAN/A
Temperature Rating
2000
3632
2000*
3632*
2000
3632
2000
3632
Notes:∥ Parallel to fiber Axis
⊥ Perpendicular to Fiber Axis
* Possible to use at higher temperatures at users discretion.
Information provided is average and not guaranteed.

Pricing Overview

ProductThread SizeWidth
Inches
Length
Inches
Height
Inches
Price
USD
Standard Round Nuts1/2" - 131"1"1/2"$10.00
ProductThread SizeWidth
Inches
Length
Inches
Height
Inches
Price
USD
Standard Square Nuts1/4" - 201/2"1/2"1/4"$5.00
5/16" - 185/8"5/8"5/16"$6.00
3/8" - 163/4"3/4"3/8"$7.00
1/2" - 131"1"0.5"$10.00
1/2" - 131.5"1.5"0.5"$13.00
3/4" - 101.5"1.5"0.5"$19.00
1" - 82"2"0.5"$25.00
Metric Square NutsM6 - 11/2"1/2"0.2"$5.00
M8 - 1.253/4"3/4"0.2"$7.00
M10 - 1.501"1"0.4"$10.00
M12 - 1.751.5"1.5"0.4"$13.00
CFC Nuts-Round
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