Invar 36 Alloy - 36% Nickel Low Expansion Metal, High Dimensional Stability For Precision Instruments

We offer a wide range of Invar 36 Alloy to our valuable customers. We provide Invar, Super Invar, Invar 36, NILO 36, & Pernifer 36
Invar (also know as Invar 36, NILO 36, Pernifer 36, and Invar Steel) is a low expansion alloy consisting of 36% Nickel, balance Iron. Invar Alloy exhibits extremely low expansion around ambient temperatures, making Invar Alloy particularly useful in applications where minimum thermal expansion and high dimensional stability is required, such as in precision instruments like optoelectronic devices, optical and laser benches, electronics, and other kinds of scientific instruments.

Chemistry By % Weight
C: 0.02%
Fe: Balance
Mn: 0.35%
Ni: 36%
Si: 0.2%

Typical Mechanical Properties
Ultimate Tensile Strength: 104,000 PSI
Yield Strength: 98,000 PSI
Elongation @ Break: 5.5
Modulus of Elasticity: 21,500 KSI

Typical Physical Properties
Density 0.291 lbs/cu in
Melting Point 1425A C
Electrical Resistivity @ RT 8.2 Microhm-cm
Thermal Conductivity @ RT 10.15 W/m-k

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