Invar 36

Shapes Available

  • Coil
  • Plate
  • Round Bar
  • Sheet
  • Square Bar

Industries

  • Aerospace
  • Electrical
  • Manufacturing
  • Medical

Industry Names

  • Invar 36
  • Invar
  • Alloy 36

Material

  • Exotic
  • Specialty Steel

Specifications

  • ASTM B753 (Hot Rolled Plate)
  • ASTM F1684
  • MIL I 230IIC Class 7 (Ground Plate and Cold Rolled Sheet)
  • MIL S 16598 Available in rod diameters .500 and up

Applications

  • Laser Part Applications
  • Molds for Composite Aircraft Parts
  • Precision Condenser Plates
  • Resonant Cavities for Radars
  • Special Joints and Washers
  • Thermostatic Bimetals

Features

  • Excellent Corrosion Resistance
  • High Strength

Invar 36 is a low expansion nickel-iron alloy that contains 36% Nickel. Invar 36 has a thermal rate of expansion approx 1/10 of Carbon Steel at temps above 400°F. Invar 36 is used in electronic and radio devices where one must keep dimensional changes to a minimum.

Invar 36 is available in round bar, sheet, plate and strip. Invar 36 can be machined under similar processes to austenitic stainless steels. For more information check out our latest YouTube video below on Invar – click here for the transcript. For a deeper dive into this alloy watch the video below:

Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Call us now! 847-272-3240 Request a Quote Now
Metal Properties
PropertyValue
Hardness Max, Brinell 70
Ultimate Tensile Strength 85 ksi
Chemical Composition
ElementMinMax
C.05
Co.5
Cr.25
Fe- Bal
Mn.5
Ni36.0
S.02
Si.25
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