Allegheny Ludlum Corporation

Anthony P More

Carl P Stroble

A method is provided for producing cube-on-edge grain-oriented silicon steel by producing 3 to 10 ppm boron and a manganese-to-sulfur and/or selenium ratio of at least 2.5 in a final gauge steel strip prior to final texture annealing and including a two-stage cold reduction wherein the final cold reduction is less than 75% to provide a steel having improved magnetic properties with a secondary grain size of less than 10 mm and a permeability of 1850 or more at 10 oersteds.

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Cheswick, PA, United States of America

Anthony P More