Alloy 36 is a special low-expansion iron-nickel alloy with ultra-low expansion coefficient. Among them, the control of carbon and manganese components is very important. Cold deformation can reduce the coefficient of thermal expansion, and heat treatment in a specific temperature range can stabilize the coefficient of thermal expansion.

It has a very low coefficient of thermal expansion between -250°C and +200°C.

Has good plasticity and toughness

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