FIELD: metallurgy.
SUBSTANCE: invention relates to the structured ausaging steel, used in various industries, including the manufacture of lightweight units and structures in transport engineering and in construction. Steel contains, wt %: C 1.5-1.8, Mn 18-22, Al 8-12, Mo 0.8-1.2, Si 0.5-0.8, Cr ≤0.1, Ni ≤0.l, Cu ≤0.05, N ≤0.0020, H ≤0.0002, S ≤0.0020, P ≤0.010, Sn, Pb, Bi and As not more than 0.005 each, "РЗМ" 0.005-0.010, Fe - the rest.
EFFECT: steel has high strength-weight ratio.
4 cl, 1 tbl, 1 ex
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