FIELD: metallurgy.
SUBSTANCE: steel strip includes the structure consisting of solid components, such as martensite, bainite, carbide with inconsiderable percentage composition of residual austenite in ferrite matrix, which is completely free from intermediate dissolved elements (IF-Charakter), and intermediate elements dissolved in ferrite matrix, such as carbon and nitrogen, are fixed by means of alloy elements, such as Al, Mo, Nb, Ti, V, which form carbide, nitride or carbonitride.
EFFECT: ensuring plastic properties and increasing thermal stability.
5 cl, 1 dwg, 1 tbl
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