Nickel-Iron Low Expansion Alloy
INVAR 36
Measuring devices, laser components, bi-metal thermostat strips.
35.0 - 38.0 Ni, 0.10 C max, 0.60 Mg max, 0.025 P max, 0.025 S max, 0.35 Si max, 0.50 Cr max, 0.50 Mo max, 1.00 Co max, Balance Fe
Density
.298 lb/in³
Rockwell 30T | Grain Size (nominal) | Tensile KSI* | |
Annealed | 31 - 46 40 - 58 |
0.035 mm 0.015 mm |
|
¼ hard | 61 - 71 | 58 - 72 | |
½ hard | 67 - 74 | 66 - 80 | |
hard | 72 - 76 | 75 - 88 | |
extra hard | 73 - 77 | 80 - 92 | |
spring | 74 - 77 | 84 - 94 |
Thickness
.002" - 0.062"
Width
7.00" max
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