Super Invar® 32-5 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 |
