FIELD: metallurgy.
SUBSTANCE: invention relates to grain-oriented silicon steel. Steel contains, in wt%: 0.035-0.120 of C, 2.9-4.5 of Si, 0.05-0.20 of Mn, 0.005-0.050 of P, 0.005-0.012 of S, 0.015-0.035 of Alsol, 0.001-0.010 of N, 0.05-0.30 of Cr, 0.005-0.090 of Sn, maximum 0.0100 of V, maximum 0.0100 of Ti, at least one of trace elements Sb, Bi, Nb and Mo in their total content of 0.0015-0.0250, Fe and unavoidable impurities are rest. For steel components following ratio (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) is met ranging from 0.1 to 15.
EFFECT: higher magnetic induction of steel.
8 cl, 1 dwg, 4 tbl
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