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INVAR 36 SPEC SHEET
INVAR 36 is 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. The alloy also retains good strength and toughness at cryogenic temperatures.
Chemical Composition, %
UNS: K93600, K93603 W. Nr./EN: 1.3912 ASTM: F 1684-06 AFNOR: NF A54-301 (chemistry only)