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Invar® - Controlled Expansion Alloy ( Fe64/Ni36 )

Material Information

Buy Invar® - Controlled Expansion Alloy on-line

We stock and supply the following standard forms:
Foil Powder Rod Sheet Tube Wire
Foil Powder Rod Sheet Tube Wire

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Common Brand Names:
Invar 36®, Nilo® alloy 36, Nilvar, NS 36, Permalloy D®, Radio metal 36®, Vacodil 36®
 
General Description:  

Low expansion alloy with the lowest thermal expansion coefficient of any of the iron-nickel alloys. Uses include balance wheels for clocks and watches, bi-metal strip, glass-to-metal seals and structural components in laser systems.

   

Electrical Properties

Electrical resistivity ( µOhmcm ) 75-85

Magnetic Properties

Curie temperature ( C ) 279

Mechanical Properties

Elongation at break ( % ) <45
Hardness - Brinell 160
Modulus of elasticity ( GPa ) 140-150
Tensile strength ( MPa ) 450-590

Physical Properties

Density ( g cm-3 ) 8.0
Melting point ( C ) 1427

Thermal Properties

Coefficient of thermal expansion @20-90C ( x10-6 K-1 ) 1.7-2.0
Specific heat @23C ( J K-1 kg-1 ) 515
Thermal conductivity @23C ( W m-1 K-1 ) 13
All information and technical data are given as a guide only. Although every effort has been made to ensure that the information is correct, no warranty is given as to its completeness or accuracy.

Buy Invar® - Controlled Expansion Alloy on-line

We stock and supply the following standard forms:
Foil Powder Rod Sheet Tube Wire
Foil Powder Rod Sheet Tube Wire

Choose a form to search our on-line catalog  

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