H - Electricity – 01 – F
Patent
H - Electricity
01
F
148/8
H01F 1/00 (2006.01) C21D 8/12 (2006.01)
Patent
CA 1119919
ABSTRACT OF THE DISLCOSURE: A method for producing a silicon bearing steel strip for electro magnetic applications. This method comprises the steps of hot rolling to sheet a slab having by weight, 2% to 4% of silicon 0.05% to 0.1% of manganese, 0.02% to 0.035% of sulphur, 0.02% to 0.06% of carbon, 0.002% to 0.01 of nitrogen, and 0.01% to 0.1% of vanadium, together with incidental impurities, and cold rolling the hot band with a final reduction of at least 70% before decarburising at a temperature within the range 900 to 1050°C. Advantageously, the magnetic properties of the strip derived from the above- listed, starting material may be up-grated by suitable selection of the process parameters.
316581
British Steel Corporation
Robic Robic & Associes/associates
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