Products

ALLVAR Alloys are the only materials in the world that have a negative coefficient of thermal expansion (CTE). Ready to harness negative thermal expansion alloys for your applications? Check out the following products.

Negative Thermal Expansion commercially-off-the-shelf (COTS) washers that can counteract the force and dimensional changes experienced during temperature cycling. 

ALLVAR Alloy 30 SM1 Lens Tubes are here! Breadboard your athermal optic systems today!

 

Want custom negative CTE components? ALLVAR can provide custom components per your designs. Reach out to learn more!

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Type B Regular Plain Washers

  • Nominal Washer Size2
  • Washer Inside Diamter: 0.094″
  • Washer Outside Diameter: 0.250″
  • Thickness Range: 0.028″ – 0.036
  • Washer Standards: ASME B18.22.1
  • ASME B18.24 Part Number: AEW26X08R000GY0A1
  • Item Number: AW30-0002
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  • Nominal Washer Size: 4
  • Washer Inside Diamter: 0.125″
  • Washer Outside Diameter: 0.375″
  • Thickness Range: 0.036″ – 0.045″
  • Washer Standards: ASME B18.22.1
  • ASME B18.24 Part Number: AEW26X11R000GY0A1
  • Item Number: AW30-0004
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  • Nominal Washer Size6
  • Washer Inside Diamter: 0.156″
  • Washer Outside Diameter: 0.438″
  • Thickness Range: 0.036″ – 0.045″
  • Washer Standards: ASME B18.22.1
  • ASME B18.24 Part Number: AEW26X13R000GY0A1
  • Item Number: AW30-0006
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  • Nominal Washer Size8
  • Washer Inside Diamter: 0.188″
  • Washer Outside Diameter: 0.500″
  • Thickness Range: 0.036″ – 0.045″
  • Washer Standards: ASME B18.22.1
  • ASME B18.24 Part Number: AEW26X16R000GY0A1
  • Item Number: AW30-0008
**Contact for pricing

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