The steel material for a soft magnetic part according to the present invention has a chemical composition consisting of, in mass %, C: 0.02 to 0.13%, Si: 0.005 to 0.50%, Mn: 0.10 to 0.70%, P: 0.035% or less, S: 0.050% or less, Al: 0.005 to 1.300%, V: 0.02 to 0.50%, and N: 0.003 to 0.030%, with the balance being Fe and impurities. The average grain diameter of ferrite grains in the steel material for a soft magnetic part ranges from 5 to 200 pun. Further, in the ferrite grains, the number Sv (number/mm.sup.2) of precipitates having a circle-equivalent diameter of 30 nm or more satisfies Formula (1):

Sv10V7.010.sup.6(1) where the V content (mass %) in the steel material for a soft magnetic part is substituted into V in Formula (1).

The steel material for a soft magnetic part according to the present invention has a chemical composition consisting of, in mass %, C: 0.02 to 0.13%, Si: 0.005 to 0.50%, Mn: 0.10 to 0.70%, P: 0.035% or less, S: 0.050% or less, Al: 0.005 to 1.300%, V: 0.02 to 0.50%, and N: 0.003 to 0.030%, with the balance being Fe and impurities. The average grain diameter of ferrite grains in the steel material for a soft magnetic part ranges from 5 to 200 pun. Further, in the ferrite grains, the number Sv (number/mm.sup.2) of precipitates having a circle-equivalent diameter of 30 nm or more satisfies Formula (1):

Sv10V7.010.sup.6(1) where the V content (mass %) in the steel material for a soft magnetic part is substituted into V in Formula (1).

Systems and methods of threading a metal substrate on a rolling mill include receiving a coil of the metal substrate. The method also includes uncoiling the metal substrate from the coil while the coil and guiding the metal substrate to a work stand of the rolling mill with a threading system.

Systems and methods of threading a metal substrate on a rolling mill include receiving a coil of the metal substrate. The method also includes uncoiling the metal substrate from the coil while the coil and guiding the metal substrate to a work stand of the rolling mill with a threading system.

Systems and methods of threading a metal substrate on a rolling mill include receiving a coil of the metal substrate. The method also includes uncoiling the metal substrate from the coil while the coil and guiding the metal substrate to a work stand of the rolling mill with a threading system.

A method of manufacturing a stator is provided. The method may include stamping steel into laminations each having an inner edge area defining a residual stress associated with a magnetic permeability. The method may also include exposing the laminations to a changing magnetic field such that, for each of the laminations, a density of resulting eddy currents is greatest near the inner edge area to heat the same relative to central areas of the lamination to decrease the residual stress and core loss.

A method of manufacturing a stator is provided. The method may include stamping steel into laminations each having an inner edge area defining a residual stress associated with a magnetic permeability. The method may also include exposing the laminations to a changing magnetic field such that, for each of the laminations, a density of resulting eddy currents is greatest near the inner edge area to heat the same relative to central areas of the lamination to decrease the residual stress and core loss.

A method and an apparatus for producing metallic semi-finished products by means of remelting and/or remelt-alloying. Here, the material is melted selectively locally in a melting capillary in the material volume by means of high-energy, focused radiation, the melting capillary is moved through the material and the material is cooled down at a high cooling rate by means of a cooled heat sink, which is located close to the melting capillary and coupled to the material in a well heat-conductive manner.

A method and an apparatus for producing metallic semi-finished products by means of remelting and/or remelt-alloying. Here, the material is melted selectively locally in a melting capillary in the material volume by means of high-energy, focused radiation, the melting capillary is moved through the material and the material is cooled down at a high cooling rate by means of a cooled heat sink, which is located close to the melting capillary and coupled to the material in a well heat-conductive manner.

A quench system includes an enclosure defining a quench chamber sized to receive hot castings, and bulk air fans in fluid communication with the quench chamber and configured to establish a bulk flow of cooling air that surrounds and extracts heat from the hot castings at a first cooling rate. The quench system also includes a pressurized cooling system in fluid communication with a plurality of nozzles within the quench chamber and configured to spray a plurality of a directed flows of cooling fluid onto the hot castings to extract heat at a second cooling rate. The quench system further includes a programmable controller configured to sequentially activate the bulk air fans to cool the casting at the first cooling rate for a first predetermined period of time, and then activate the pressurized cooling system to cool the casting at the second cooling rate for a second predetermined period of time.