Dingmans Ferry, PA 518.701.6722 sales@graphiteinsulation.com

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$10.00

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 NutsM61/2"1/2"0.2"$5.00
    M83/4"3/4"0.2"$7.00
    M101"1"0.4"$10.00
    M121.5"1.5"0.4"$13.00
    CFC Nuts-Round
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