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Invar 36 Nilo Alloy 36 W.Nr 1.3912 UNS K93600 ASTM F1684

Common Trade Names: Nickel Alloy 36, Invar 36®, Nilo 6®, Pernifer 6®
Invar 36® is a nickel-iron, low expansion alloy that contains 36% nickel, Invar 36 has a low coefficient of expansion from cryogenic temperatures to about +500°F (260°C).
Invar 36 Tube OD:0.2-6mm, WT: 0.02-2mm

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Invar 36 , Nickel Alloy 36

Nilo Alloy 36

W.Nr 1.3912

UNS K93600

ASTM F1684-06

Invar 36 Tube:

OD:0.2-6mm

WT: 0.02-2mm

There are three general types of controlled expansion alloys:

Low thermal expansion – these are predominantly iron-nickel alloys having very low expansion coefficients within certain temperature ranges. They are used generally in electronic devices, instrumentation and thermostats.

Matching expansion – these alloys possess approximately the same expansion coefficients as the glasses and ceramics commonly used in the electronics industry.

High thermal expansion – these are alloys which exhibit high expansion coefficients…higher, for example, than those for stainless steels and carbon steels. They are used primarily in thermostat applications.

 

Invar® is a ferrous nickel-iron alloy that contains 36%-41% nickel and exhibits excellent controlled expansion qualities. Invar 36® is effective in extreme temperatures ranging from -150°C (-238°F) all the way up to 260°C (500°F), while Invar 42®—or SuperInvar® — maintains nearly constant dimensions in temperatures ranging from -32°C (-25.6F) to 275°C (527°F). Invar® is used primarily for controlled expansion and magnetic applications. This nickel iron alloy is tough, versatile and retains good strength at normal atmospheric and cryogenic temperatures.

 

Invar 36® is a nickel-iron, low expansion alloy, Invar 36 has a low coefficient of expansion from cryogenic temperatures to about +500°F (260°C). As a Controlled Expansion Alloy, Invar 36 is widly used in the Aircraft controls, Optical & laser systems, Radio & electronic devices,Composite forming tools & Cryogenic components ect.

 

Chemical Composition

Material Ni Fe C Mn P S Si Cr Mo Co
Invar 36 35-38 Rem 0.10 max 0.06 max 0.025 max 0.025 max 0.35 max 0.50 max 0.50 max 1.0 max

 

Mechanical Properties

Material Condition Ultimate Tensile Strength Yield Strength 0.2 % Elongation (%)
psi MPa psi MPa
Invar 36 Annealed 71,000 490 35,000 240 42
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