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Non grain oriented electrical steel strip or sheet component produced therefrom and method for producing a non grain oriented electrical steel strip or sheet
Non grain oriented electrical steel strip or sheet component produced therefrom and method for producing a non grain oriented electrical steel strip or sheet
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机译:由此生产的非晶粒取向电工钢带或薄板部件以及生产非晶粒取向电工钢带或薄板的方法
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摘要
The invention relates to a non-grain-oriented electrical steel strip or sheet made of a steel that, in addition to iron and = unavoidable impurities, contains (in wt%) Si: 1.0-4.5%, AI: up to 2.0%, Mn: up to 1.0%, C: up to 0.01%, N: up to 0.01%, S: up to — 0.012%, Ti: 0.1-0.5%, and P: 0.1-0.3%, wherein the following applies to the ratio %Ti/%P of the Ti content %Ti to the P content %P: 1.0 %Ti/%P 2.0. A non-grain-oriented electrical steel strip or sheet according to the invention and components for electrotechnical applications produced from such a sheet or strip are characterized by increased strength and at the same time good magnetic properties. The non-grain-oriented sheet or strip according to the invention can be produced by cold rolling a hot-rolled strip having the aforementioned composition to form a cold-rolled strip and subjecting said cold-rolled strip to a final annealing. The invention relates to different variants of said final annealing for the special mamfestation of certain properties of the non-grainoriented strip or sheet.
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