Dingmans Ferry, PA 518.701.6722 sales@graphiteinsulation.com

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$5.00$25.00

CFC Square Nuts, manufactured from chopped CFC fibers are lightweight and offer superior performance for high-temperature applications. Material is also referred to as Carbon Fiber Composites, Carbon-Carbon, or Caron Reinforced Matrix Composites.

Materials are stocked in standard and metric sizes for same-day shipments. 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 Square Nuts

Benefits
High strength and modulus.
Fire-resistant and dimensionally stable.
Configuration of Carbon Fabric.
Fatigue and fracture resistant. 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 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
ProductThread SizeWidth
Inches
Length
Inches
Height
Inches
Price
USD
Standard Round Nuts1/2"-131"1"1/2"$10.00
CFC Nuts - Square
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