Method for manufacturing non-oriented electrical steel sheet and

Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials

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75123L, 148 3155, 148111, 148112, H01F 104

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039350380

ABSTRACT:
A method for manufacturing non-oriented electrical steel sheet and strip having no ridging characterized in that, non-oriented electrical steel sheet and strip is manufactured by casting molten silicon steel into a slab, hot-rolling, cold-rolling and annealing, said molten silicon steel, being controlled so as to give a composition, at the time of hot-rolling, comprising C <0.06%, Si 1.5 - 4.0% and Al < 1.0%, with the relation Si + Al > 2.0% and also C .gtoreq. 1/100 [(Si + Al) - 0.75]% with the remainder being iron and unavoidable impurities.

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McGannon (Ed.); Making Shaping and Treating Steel, U.S. Steel Corp., 1964 p. 1150.
Sachs, G. et al.; Practical Metallurgy; Cleveland (Asm), 1940 pp. 119-121 & 320-321.

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