Invar provides exceptional dimensional stability, maintaining consistent size and shape even when temperatures fluctuate.
Invar is a nickel-iron alloy celebrated for its minimal thermal expansion properties. Invar is used in precision instruments, optical systems, and aerospace engineering.
The following table shows common invar alloys. If you have any other alloy requirements, please contact us.
65,000 PSI
35%
Rockwell B70
0.291 lb/in³
(8.05 g/cm³)
70,000 PSI
40%
Rockwell B75
0.294 lb/in³
(8.14 g/cm³)
The following table shows common surface finishes for invar.
