Magnetically soft metals

Have high magnetic permeability and low coercive force in weak fields.

Magnetically hard metals

Metals with a certain combination of hysteresis loop parameter or hysteresis limit loop. These include:

Metals with a given temperature coefficient of linear expansion

This is a group of so-called "invarious alloys" (from the name of alloy 36H, the first open alloy with a very low TKHR. These include: 29NK, 29NK-VI, 29NK-VI-1, 29NK-1, 30NKD, 30NKD-VI, 32NKD, 32NK-VI, 33NK, 33NK-VI, 35NKT, 36N, 36N-VI.

Platinite is also one of the alloys with specified TKHR: its coefficient allows to make conductors soldered into glass (current leads) during production of vacuum equipment and electric bulbs.

Materials with defined elasticity properties

Have a high degree of elasticity and a number of other properties: corrosion resistance, strength, a certain temperature coefficient of elasticity modulus. These include:

Materials with certain electrical properties

Alloys with a high degree of conductivity at low temperatures include: 25BT, BTZ-VD, 70TM-VD.

The group of alloys with high electric resistance

Thermo-metals

Thermo-metals are a material consisting of two or more layers of metals or alloys with different TKLR, which provides elastic deformation under temperature changes.

Bimimetals are usually made from steels:

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