Material-saving silicon steel sheet
A technology of silicon steel sheet and cross-sectional shape, applied in the direction of magnetic material, inorganic material magnetism, magnetic core/yoke, etc. The problem of high iron loss value of sheet iron can achieve good economic and social benefits, improve magnetic properties, and low-loss magnetic induction.
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[0012] See figure 1 with figure 2 , The present invention relates to a material-saving silicon steel sheet, its cross-sectional shape is "day" shape, it includes an E-type structure 5 and an I-type structure 4, the E-type structure 5 consists of one long side 1 and three short sides 2. Composition, the long side 1 of the E-type structure is twice the length of the short side 2, and the material of the silicon steel sheet is: C 0.06-0.08%, Si 2.6-3.2%, Mn 0.15-0.25%, Als 0.02-0.03 %, Co 0.2-0.25%, Cr 0.15-0.25%, Sn 0.05-0.1%, V 0.03-0.05%, Hf 0.015-0.025%, Ta 0.008-0.012%, B 0.002-0.003%, N 0.004-0.005%, Sc 0.02-0.03%, Gd 0.015-0.025%, Yb 0.01-0.02%, P≤0.05%, S≤0.0025%, the rest is Fe.
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