Alloy 42 has low expansion till 300°C and it matches the expansion of soft glass. Used in lead-in-wires for electronic applications and for the core of Dumet wire (glass sealing part in lead-in-wires for electric lamps). It is used in glass sealing applications in microelectronic components and vacuum devices.

Controlled-Expansion & Glass-Sealing Alloy (Alloy 36)

Alloy 36 has near zero coefficient of thermal expansion at room temperature and till 100°C. It is used in instrumentation and in thermostats. It is also used as bimetallic strip in cryogenic engineering and laser components.

Controlled-Expansion & Glass-Sealing Alloy (Alloy 48)

Alloy 48 has expansion that matches soda-lead and soda-lime glass. Used as leads for electronic applications. It is also used in thermostats for industrial applications upto 450°C.

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