Abstract: The invention relates to a substantially equiatomic FeCo-alloy cold-rolled strip or sheet, and to a magnetic part cut from same, as well as to a method for fabricating a Fe—Co-alloy cold-rolled strip or sheet. A fully recrystallized hot-rolled sheet or strip is prepared, with a thickness of 1.5-2.5 mm and the following composition: 47.0%?Co?51.0%; traces?V+W?3.0%; traces?Ta+Zr?0.5%; traces?Nb?0.5%; traces?B?0.05%; traces?Si?3.0%; traces?Cr?3.0%; traces?Ni?5.0%; traces?Mn?2.0%; traces?O?0.03%; traces?N?0.03%; traces?S?0.005%; traces?P?0.015; traces?Mo?0.3%; traces?Cu?0.5%; traces?Al?0.01%; traces?Ti?0.01%; traces?Ca+Mg?0.05%; traces?rare earths?500 ppm; the remainder being iron and impurities. A first cold-rolling step is carried out with a reduction rate of 70 to 90%, to bring the strip or sheet to a thickness of ?1 mm.

Abstract: Sheet or strip of cold-rolled and annealed ferrous alloy (1), characterized in that its composition is, in weight percentages: traces?Co?40%; if Co?35%, traces?Si?1.0%; if traces?Co<35%, traces?Si?3.5%; if traces?Co<35%, Si+0.6% Al?4.5?0.1% Co; traces?Cr<10%; traces?V+W+Mo+Ni?4%; traces?Mn?4%; traces Al?3%; traces?S?0.005%; traces?P?0.007%; traces?Ni?3%; traces?Cu?0.5%; traces?Nb?0.1%; traces?Zr?0.1%; traces?Ti?0.2%; traces?N?0.01%; traces?Ca?0.01%; traces?Mg?0.01%; traces?Ta?0.01%; traces?B?0.005%; traces?O?0.01%; the remainder being iron and impurities resulting from the preparation, in that, for an induction of 1.

Abstract: Method for manufacturing a thin strip in a soft magnetic alloy and strip obtained A method for manufacturing a strip in a soft magnetic alloy capable of being cut out mechanically, the chemical composition of which comprises by weight: 18% ? Co ? 55% 0% ? V + W ? 3% 0% ? Cr ? 3% 0% ? Si ? 3% 0% ? Nb ? 0.5% 0% ? B ? 0.05% 0% ? C ? 0.1% 0% ? Zr + Ta ? 0.5% 0% ? Ni ? 5% 0% ? Mn ? 2% The remainder being iron and impurities resulting from the elaboration, according to which a strip obtained by hot rolling is cold-rolled in order to obtain a cold-rolled strip with a thickness of less than 0.6 mm. After cold rolling, a continuous annealing treatment is carried out by passing into a continuous oven, at a temperature comprised between the order/disorder transition temperature of the alloy and the onset temperature of ferritic/austenitic transformation of the alloy, followed by rapid cooling down to a temperature below 200° C. Strip obtained.

Abstract: A method for manufacturing a strip in a soft magnetic alloy capable of being cut out mechanically, the chemical composition of which comprises by weight: 18%?Co?55% 0%?V+W?3% 0%?Cr?3% 0%?Si?3% 0%?Nb?0.5% 0%?B?0.05% 0%?C?0.1% 0%?Zr+Ta?0.5% 0%?Ni?5% 0%?Mn?2% The remainder being iron and impurities resulting from the elaboration, according to which a strip obtained by hot rolling is cold-rolled in order to obtain a cold-rolled strip with a thickness of less than 0.6 mm. After cold rolling, a continuous annealing treatment is carried out by passing into a continuous oven, at a temperature comprised between the order/disorder transition temperature of the alloy and the onset temperature of ferritic/austenitic transformation of the alloy, followed by rapid cooling down to a temperature below 200° C. Strip obtained.

Abstract: Method for manufacturing a thin strip in a soft magnetic alloy and strip obtained A method for manufacturing a strip in a soft magnetic alloy capable of being cut out mechanically, the chemical composition of which comprises by weight: 18% ? Co ? 55% 0% ? V + W ? 3% 0% ? Cr ? 3% 0% ? Si ? 3% 0% ? Nb ? 0.5% 0% ? B ? 0.05% 0% ? C ? 0.1% 0% ? Zr + Ta ? 0.5% 0% ? Ni ? 5% 0% ? Mn ? 2% The remainder being iron and impurities resulting from the elaboration, according to which a strip obtained by hot rolling is cold-rolled in order to obtain a cold-rolled strip with a thickness of less than 0.6 mm. After cold rolling, a continuous annealing treatment is carried out by passing into a continuous oven, at a temperature comprised between the order/disorder transition temperature of the alloy and the onset temperature of ferritic/austenitic transformation of the alloy, followed by rapid cooling down to a temperature below 200° C. Strip obtained.

Abstract: Sheet or strip of cold-rolled and annealed ferrous alloy (1), characterized in that its composition is, in weight percentages: traces?Co?40%; if Co?35%, traces?Si?1.0%; if traces?Co<35%, traces?Si?3.5%; if traces?Co<35%, Si+0.6% Al?4.5?0.1% Co; traces?Cr<10%; traces?V+W+Mo+Ni?4%; traces?Mn?4%; traces Al?3%; traces?S?0.005%; traces?P?0.007%; traces?Ni?3%; traces?Cu?0.5%; traces?Nb?0.1%; traces?Zr?0.1%; traces?Ti?0.2%; traces?N?0.01%; traces?Ca?0.01%; traces?Mg?0.01%; traces?Ta?0.01%; traces?B?0.005%; traces?O?0.01%; the remainder being iron and impurities resulting from the preparation, in that, for an induction of 1.

Abstract: A method for manufacturing a strip in a soft magnetic alloy capable of being cut out mechanically, the chemical composition of which comprises by weight: 18%?Co?55% 0%?V+W?3% 0%?Cr?3% 0%?Si?3% 0%?Nb?0.5% 0%?B?0.05% 0%?C?0.1% 0%?Zr+Ta?0.5% 0%?Ni?5% 0%?Mn?2% The remainder being iron and impurities resulting from the elaboration, according to which a strip obtained by hot rolling is cold-rolled in order to obtain a cold-rolled strip with a thickness of less than 0.6 mm. After cold rolling, a continuous annealing treatment is carried out by passing into a continuous oven, at a temperature comprised between the order/disorder transition temperature of the alloy and the onset temperature of ferritic/austenitic transformation of the alloy, followed by rapid cooling down to a temperature below 200° C. Strip obtained.

Abstract: Method for producing a soft magnetic alloy strip suited to be mechanically cut, having a chemical composition comprising, by weight: 18% ?? Co ? 55%? 0% ? V + W ? 3% 0% ? Cr ? 3% 0% ? Si ? 3% 0% ? Nb ? 0.5%? 0% ? B ? 0.05%?? 0% ? C ? 0.1%? 0% ? Zr + Ta ? 0.5%? 0% ? Ni ? 5% 0% ? Mn ? 2% the rest being iron and impurities from production, according to which a strip obtained by hot rolling a semi-finished product consisting of the alloy is cold-rolled to obtain a cold-rolled strip with a thickness less than 0.6 mm, After the cold rolling, the strip is running annealed by passing it through a continuous furnace at a temperature between the order/disorder transition temperature of the alloy and the ferritic/austenitic transformation point of the alloy, followed by rapid cooling to a temperature below 200° C.