Super Invar Properties

Super Invar Alloy Physical Properties
Density
lb/cu in
0.294
Specific Gravity  
8.15
Curie Temp
°F
535
 
°C
279
Melting Point
°F
2600
 
°C
1454
Electrical Resistivity
Micro-ohm-cm
80
 
Micro-ohm-cm
481.3
Thermal Conductivity
W/cm °C
----
 
BTU-in/sq. ft-hr-
----
Specific Heat
Cal/g- °C
----
 
BTU/lbm- °F
----
Thermal Expansion
ppm/°F
(75°F to 842°F)
----
 
ppm/°C
(25°C to 450°F)
----


Super Invar Alloy Mechanical Properties

Tensile Strength
ksi
70
 
MPa
483
Yield Strength
ksi
40
 
MPa
276
Elongation
% in 2 in.
40
Typical Hardness Ann.
Rockwell
HRB 75
Modulus of Elasticity
Mpsi
21 x 103
 
kMPa
----


Super Invar Alloy Chemistry
maximum % unless noted
Iron Bal
Nominal Nickel 32
Nominal Cobalt 5
Carbon 0.02
Silicon 0.25
Maganese 0.04

 

 


Buy Invar Alloy Now

Ed Fagan Inc. also stocks a variety of similar alloys for low expansion, controlled expansion, glass-to-metal or ceramic sealing applications that may also satisfy your needs. EFI carries
• Kovar (also known as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1)
• 42 Alloy
• 42-6 Alloy
• 46 Alloy
• 48 Alloy
• 52 Alloy
and we also have a large selection of Electronic Nickel grades such as
• 200
• 201
• 205
• 233
• 270

Buy Invar Alloy Now