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Low Expansion "39" Alloy

Nominal Analysis
0.05 C, 0.40 Mn, 0.25 Si, 39.00 Ni, Bal. Fe

A special controlled-expansion alloy designed originally to match the thermal expansion of certain hard glasses up to 392°F (200°C). Has been used for tunable capacitors and as low expansion element in thermostat bimetal products.

 

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