A nickel-iron low-expansion alloy containing 36% nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500°F (260°C). The alloy also retains good strength and toughness at cryogenic temperatures. Used for standards of length, measuring devices, laser components, bi-metal thermostat strip, thermostat rods, and tanks and piping for storing and transporting liquefied gases.

UNS: K93600, K93601
W.Nr.: 1.3912

Technical Bulletin (PDF, 229KB)

Available Product Forms: Pipe, tube, sheet, plate, round bar, forging stock and wire

Technical Papers
The NILO Nickel-Iron Alloys for Composite Tooling (PDF, 415KB)

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