Invar 36

UNS #K93600

Invar 36 is a 36% nickel-iron alloy with a rate of thermal expansion approximately one-tenth that of carbon steel at temperatures up to 400°F (204°C). This alloy is used for applications where dimensional changes due to temperature variation must be minimized or in conjunction with high expansion alloys in applications where a motion is desired when the temperature changes.

Type Analysis

  • Carbon (Maximum) 0.02
  • Silicon (Maximum) 0.2
  • Nickel (Nominal) 36
  • Manganese (Maximum) 0.35
  • Iron (Nominal) Balance

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Applicable Specifications

  • ASTM B753 Alloy T36

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Square

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