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Invar alloy 36 /UNS K93600 & K93601

Short Description:

Invar alloy 36 (UNS K93600 & K93601), a binary nickel-iron alloy containing 36% nickel. Its very low room-temperature thermal expansion coefficient makes it useful for tooling for aerospace composites, standards of length, measuring tapes and gauges, precision components, and pendulum and thermostat rods. It is also used as the low expansion component in bi-metal strip, in cryogenic engineering, and for laser components.


Product Detail

Product Tags

Chemical Composition

Alloy

element

C

Si

Mn

S

P

Ni

Fe

Invar 36

Min

 

 

0.2

 

 

35.0

 

Max

0.05

0.2

0.6

0.02

0.02

37.0

balance

Thermal Expansion

Aolly Status

Mean Linear Coefficient(10-6 /°C)

20~50℃

20~100℃

20~200℃

20~300℃

20~400℃

annealed

0.6

0.8

2.0

5.1

8.0

Physical Properties

Density g/cm3

Melting Point 

8.1

1430

Standard

Rod, Bar, Wire and Forging Stock

Plate, Sheet and Strip - ASTM B 388 & B 753


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