Abstract: A non-oriented electrical steel strip or sheet having the following composition, in percent by weight: 3.2 to 3.4 of Si, 0.85 to 1.1 of Al, 0.07 to 0.18 of Mn, 0.01 to 0.04 of P, 0.0003 to 0.0030 of S, 0.0005 to 0.0020 of N, 0.0010 to 0.0050 of C, 0.0015 to 0.0040 of Ti, 0.01 to 0.008 of Cr, up to 0.05 in total of Nb+Mo+V, balance Fe and unavoidable impurities up to a total amount of 1.0% and having a specific electrical resistance at 50° C. of 0.62 to 0.65??m. Also, a process for the production thereof and the use thereof in iron cores of rotating electric machines, in particular in electric motors, for example in electric vehicles or hybrid vehicles, and generators.

Abstract: The invention relates to a non-grain-oriented electrical steel strip or sheet, in particular for electrical applications, an electrical component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical applications.

Abstract: The present disclosure provides a non-grain-oriented electrical steel strip which can be used in electric machines such as electric motors and generators. In examples, the non-grain oriented electrical steel strip can be used as a stator having good magnetic properties and as a rotor having good mechanical properties. A reference heat treatment performed subsequent to an initial final heat treatment makes it possible to obtain improved magnetic properties.

Abstract: The invention relates to a non-grain-oriented flat metal product, which inter alia has comparatively high weight proportions of Mn and Cr. The invention also relates to a method of production and to a use.

Abstract: The present invention relates to a process for producing a non-oriented electrical steel strip, comprising at least the following process steps (A) provision of a hot-rolled, optionally separately heat-treated, non-oriented electrical steel strip, (B) cold rolling of the electrical steel strip from step (A) to a thickness of from 0.5 to 0.8 mm in order to obtain a first cold-rolled strip, (C) intermediate heat treatment of the first cold-rolled strip from step (B) at a temperature of from 700 to 1100° C. in order to obtain an intermediate-heat-treated, first cold-rolled strip, (D) cold rolling of the intermediate-heat-treated, first cold-rolled strip from step (C) to a thickness of from 0.24 to 0.36 mm in order to obtain a second cold-rolled strip and (E) final heat treatment of the second cold-rolled strip from step (D) at a temperature of from 900 to 1100° C. in order to obtain the non-oriented electrical steel strip, a non-oriented electrical steel strip obtained in such a way and the use thereof.

Abstract: A non-oriented electrical steel strip or sheet having the following composition, in percent by weight: 3.2 to 3.4 of Si, 0.85 to 1.1 of Al, 0.07 to 0.18 of Mn, 0.01 to 0.04 of P, 0.0003 to 0.0030 of S, 0.0005 to 0.0020 of N, 0.0010 to 0.0050 of C, 0.0015 to 0.0040 of Ti, 0.01 to 0.008 of Cr, up to 0.05 in total of Nb+Mo+V, balance Fe and unavoidable impurities up to a total amount of 1.0% and having a specific electrical resistance at 50° C. of 0.62 to 0.65 ??m. Also, a process for the production thereof and the use thereof in iron cores of rotating electric machines, in particular in electric motors, for example in electric vehicles or hybrid vehicles, and generators.

Abstract: The invention relates to a non-oriented electrical steel strip or sheet, in particular for electrical engineering applications, an electrical engineering component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical engineering applications.

Abstract: The invention relates to a non-grain-oriented electrical steel strip or sheet, in particular for electrical applications, an electrical component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical strip or sheet in components for electrical applications.

Abstract: The invention relates to a non-grain-oriented electrical steel strip or sheet, in particular for electrical applications, an electrical component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical applications.

Abstract: The invention relates to a non-oriented electrical steel strip or sheet, in particular for electrical engineering applications, an electrical engineering component produced from such an electrical steel strip or sheet, a process for producing an electrical steel strip or sheet and the use of such an electrical steel strip or sheet in components for electrical engineering applications.

Abstract: A non-grain-oriented electrical steel strip or sheet consisting of a steel which contains, in addition to iron and unavoidable impurities, (in wt. %) Si: 1.0-4.5%, Al: 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% P: 0.1-0.3%, wherein 1.0?% Ti/% P?2.0 applies for the % Ti/% P ratio. The NGO sheet or strip can be manufactured by cold rolling a hot strip of a steel having the previously mentioned composition into a cold strip and subjecting this cold strip to a final annealing process. Different variants of this final annealing process may be used to accentuate the properties of the strip or sheet. The non-grain-oriented electrical steel strip or sheet and components manufactured from such a sheet or strip for electrotechnical applications are characterized by increased strength and good magnetic properties.

Abstract: Non-grain-oriented electrical steel strips or electrical steel sheets for electrotechnical applications may be produced from a steel that, in addition to iron and unavoidable impurities, contains the following in percent by weight: 2.0-4.5% Si, 0.03-0.3% Zr, up to 2.0% Al, up to 1.0% Mn, up to 0.01% C, up to 0.01% N, up to 0.001% S, up to 0.015% P. Moreover, in some examples, a microstructure of the electrical steel strip or sheet may contain ternary Fe—Si—Zr precipitates. The ternary Fe—Si—Zr precipitates in the microstructure increase the strength of non-grain-oriented electrical steel strips or sheets produced from steel by precipitation or particle hardening without having a significant influence on electromagnetic properties. In addition, example methods for producing such electrical steel strips and electrical steel sheets are disclosed.

Abstract: A non-grain-oriented electrical steel strip or sheet consisting of a steel which contains, in addition to iron and unavoidable impurities, (in wt. %) Si: 1.0-4.5-%, Al: 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-% P: 0.1-0.3-%, wherein 1.0?% Ti/% P?2.0 applies for the % Ti/% P ratio. The NGO sheet or strip can be manufactured by cold rolling a hot strip of a steel having the previously mentioned composition into a cold strip and subjecting this cold strip to a final annealing process. Different variants of this final annealing process may be used to accentuate the properties of the strip or sheet. The non-grain-oriented electrical steel strip or sheet and components manufactured from such a sheet or strip for electrotechnical applications are characterised by increased strength and good magnetic properties.

Abstract: The invention relates to non-grain oriented magnetic steel sheets which can be produced as final annealed and as a non-final annealed types in such a way that they have improved magnetic polarisation and reduced magnetic reversal losses compared with the previously achieved values. This is achieved in that a suitably composed steel, during its cooling starting from a maximum initial temperature of 1,300° C., passes through a temperature range with substantially complete exclusion of a purely austenitic structure (? phase), in which range it comprises an austenite/ferrite dual phase multi-structure (?, ? multi-phases), so the magnetic steel sheet, after hot rolling, etching, cold rolling and annealing of the hot strip obtained after hot rolling, has a magnetic polarisation J2500?1.74 T, measured in the longitudinal direction of the strip or sheet and at a magnetic field strength of 2,500 A/m and a value P1.5(50) of the magnetic losses of <4.5 W/kg, measured in the longitudinal direction of the strip at J=1.

Abstract: The present invention relates to a cold-rolled steel strip or sheet in thicknesses of ?0.70 mm for electromagnetic applications, consisting of a steel containing (in % by weight) C: <0.01%, Si: 3.2-7%, Al: <2%, Mn: ?1%, the remainder being iron and usual impurities, which after smelting has been cast to form a base material, such as a slab, a thin slab, or a thin strip, which has then been heated through to temperature TR>1000° C. and has been final hot-rolled at a hot-rolling final temperature TF>800° C. to form a hot strip, which has then been cooled, starting from a temperature TC of the hot strip amounting to at least 750° C. but less than 850° C., at a cooling speed ?T/?t of at least 400° C./min. to a temperature of less than 300° C., subjected after cooling to a surface treatment such as mechanical descaling and/or pickling, after the surface treatment has been cold-rolled at a temperature amounting to maximum 500° C., and has finally been final-annealed.

Abstract: The invention relates to non-grain oriented magnetic steel sheets which can be produced as final annealed and as a non-final annealed types in such a way that they have improved magnetic polarisation and reduced magnetic reversal losses compared with the previously achieved values. This is achieved in that a suitably composed steel, during its cooling starting from a maximum initial temperature of 1,300° C., passes through a temperature range with substantially complete exclusion of a purely austenitic structure (? phase), in which range it comprises an austenite/ferrite dual phase multi-structure (?, ? multi-phases), so the magnetic steel sheet, after hot rolling, etching, cold rolling and annealing of the hot strip obtained after hot rolling, has a magnetic polarisation J2500?1.74 T, measured in the longitudinal direction of the strip or sheet and at a magnetic field strength of 2,500 A/m and a value P1.5(50) of the magnetic losses of <4.5 W/kg, measured in the longitudinal direction of the strip at J=1.

Abstract: The present invention relates to a method for producing non grain-oriented magnetic steel sheets in which hot strip is produced from an input stock such as cast slabs, strip, roughed strip, or thin slabs, made of steel comprising (in weight %) C: 0.001-0.05%; Si: ≦1.5%; Al: ≦0.4% with Si+2Al≦1.7%; Mn: 0.1-1.2%; if necessary up to a total of 1.5% of alloying additions such as P, Sn, Sb, Zr, V, Ti, N, Ni, Co, Nb and/or B; with the remainder being iron as well as the usual accompanying elements; in that the input stock is hot-rolled directly from the casting heat or after preceding reheating to a reheating temperature between min. 1000° C. and max. 1180° C.

Abstract: The invention relates to a method for producing non-grain-oriented hot-rolled magnetic steel sheet in which from a raw material such as cast slabs, strip, roughed strip or thin slabs produced from a steel comprising (in weight %) C: 0.0001-0.05%; Si: ≦1.5%; Al: ≦0.5%, wherein [% Si]+2[% Al]≦1.8; Mn: 0.1-1.2%; if necessary up to a total of 1.5% of alloying additions such as P, Sn, Sb, Zr, V, Ti, N, Ni, Co, Nb and/or B, with the remainder being iron and the usual impurities, in a finishing roll line at temperatures above the Ar1 temperature, a hot strip with a thickness ≦1.5 mm is rolled, wherein at least the last forming pass of hot rolling is carried out in the mixed region austenite/ferrite and wherein the total deformation &egr;H achieved during rolling in the mixed region austenite/ferrite is <35%.

Abstract: The invention relates to a method for producing non-grain-oriented hot-rolled magnetic steel sheet in which from a raw material such as cast slabs, strip, roughed strip or thin slabs produced from a steel comprising (in weight %) C: 0.0001-0.05 %; Si: ≦1.5 %; Al: ≦0.5 %, wherein [% Si]+2[% Al]≦1.8; Mn: 0.1-1.2 %; if necessary up to a total of 1.5 % of alloying additions such as P, Sn, Sb, Zr, V, Ti, N, Ni, Co, Nb and/or B, with the remainder being iron and the usual impurities, in a finishing roll line at temperatures above the Ar1 temperature, a hot strip with a thickness ≦1.5 mm is rolled, wherein at least the last forming pass of hot rolling is carried out in the mixed region austenite/ferrite and wherein the total deformation &egr;H achieved during rolling in the mixed region austenite/ferrite is <35 %.

Abstract: A catalytic converter for use in an oven includes at least two sub-catalysts connected in series. One of the sub-catalysts includes a catalytically active metal layer as its active surface to improve the efficiency of the catalytic converter with respect to the elimination of unpleasant odors. The one sub-catalyst includes a metal oxide as its active surface. At least one other sub-catalyst includes, as its active surface, a metal layer selected from elements in groups 8 to 10 of the periodic table.