Abstract: A deformation-hardened component is made of galvanized steel by cutting a plate from a steel strip or steel sheet coated with zinc or with a zinc-based alloy and subsequently heating the plate to a deformation temperature above Ac3 for deformation and hardening. The galvanized steel has an at least partially martensitic transformation structure and includes as a chemical composition in wt. % C: 0.10-0.50, Si: 0.01-0.50, Mn: 0.50-2.50, P<0.02, S<0.01, N<0.01, Al: 0.015-0.100, B<0.004, remainder iron, including unavoidable smelting-induced, steel-accompanying elements. The chemical composition further includes at least one element selected from the group consisting of Nb, V, Ti, with a sum of the contents Nb+V+Ti being in a range of 0.01 to 0.20 wt. %. The structure of the steel after deformation-hardening has an average grain size of the former austenite grains of <15 ?m.

Abstract: In a method for producing a component by hot forming of a pre-product made of steel, the pre-product is heated to forming temperature and subsequently formed. The product is heated to a temperature below the AC1-transformation temperature and undergoes a strength increase prior to the heating by cold forming.

Abstract: A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C?0.075 to ?0.115; Si?0.600 to ?0.750; Mn?1.000 to ?1.950; Cr?0.200 to ?0.600; Al?0.010 to ?0.060; N?0.0020 to ?0.0120; S?0.0030; Mo?0.0200; Nb?0.005 to ?0.040; Ti?0.005 to ?0.030; B?0.0005 to ?0.0030; Ca?0.0005 to ?0.0060; Cu?0.050; Ni?0.050; remainder iron, including usual steel accompanying smelting related impurities, wherein for a widest possible process window during continuous annealing of hot strips or cold strips made from the steel a sum content of M+Si+Cr+Mo in the steel strips is a function of a thickness of the steel strips according to the following relationship: for strip thicknesses of up to 1.00 mm the sum content of M+Si+Cr+Mo is ?2.450 and ?2.800%, for strip thicknesses of over 1.00 to 2.00 mm the sum of Mn+Si+Cr+Mo is ?2.600 and ?3.150%, and for strip thicknesses of over 2.

Abstract: A welding additive for electric arc welding and laser beam welding of mixed joins composed of austenitic and high-manganese-containing and ferritic steel, where the high-manganese-containing steel has a manganese content of at least 7-30% by weight includes the following alloy elements in % by weight: C 0.04-1.0; Mn 7-30; Si?6; Al?4; Mo?2; Ti?0.5; Zr 0.01-01; B 0.001-0.01; P<0.005; S<0.002; N<0.008; balance iron and unavoidable steel accompanying elements.

Abstract: A method for producing a component by forming a plate from steel at room temperature having a high formability and reduced crack sensitivity of edges that have been mechanically cut or punched on the plate, includes: cutting the plate from a strip or metal sheet at room temperature; heating edge regions of the plate that underwent strain hardening as a result of the cutting step to a temperature of at least 600° C. for a time period of at most 10 seconds; and forming the plate in one or more steps into a component at room temperature, wherein in the forming step the edge regions heated in the heating step are subjected to cold forming.

Abstract: A steel product for protecting electrical components from mechanical damage and electrical short circuit resulting therefrom is disclosed. The steel product is produced from a lightweight steel comprising 6 to 30 wt % manganese, up to 12.0 wt % aluminum, up to 6.0 wt % silicon, 0.04 to 2.0 wt % carbon, and additionally one or more of the elements chromium, titanium, vanadium, niobium, boron, zirconium, molybdenum, nickel, copper, tungsten, cobalt at up to 5.0 wt % each and up to 10.0 wt % in total, the remainder iron, including common steel tramp elements, as hot-rolled strip or cold-rolled strip, sheet metal, or pipe, wherein the steel product is provided with an electrically non-conductive coating at least one side, on the side later facing the electrical components.

Abstract: A method for producing a workpiece having properties which are adjustable across a wall thickness or strip thickness of the workpiece, includes the steps of subjecting the workpiece to a decarburizing annealing treatment under an oxidizing atmosphere and to an accelerated cooling and/or a cold forming for generating a property gradient of the workpiece, wherein the workpiece is made of an austenitic lightweight steel which has an alloy composition which includes by weight percent 0.2% to 1% carbon, 0.05% to<15% aluminum, 0.05% to 6.0% silicon, 9% to<30% manganese, and at least one element selected from the group consisting of chromium, copper, boron, titanium, zirconium, vanadium and niobium, wherein chromium=4.0%; titanium+zirconium=0.7%; niobium+vanadium=0.5%, boron=1%, the remainder iron including common steel companion elements.

Abstract: A method is disclosed for calculating the combination of properties of phase components and of mechanical properties being established of a predefined alloy composition for a deformable lightweight steel having the elements in percent by weight C 0.02 to ?1.0, Al 2.5 to ?8.0, Si 0.0 to ?1.5, Mn?5.0 to ?35.0, Cr>1.0 to ?14.0, total content of N, S, P?0.1, the remainder iron and other steel-accompanying elements with some contents of Cu, Mo, Ni, and Zn of up to 1.0 wt % in total by using specific formulas on the basis of the manganese content, wherein, in the formulas, the alloy contents are used as absolute numbers without dimensions, and the calculated, dimensionless values are assigned the units MPa for Rm and Rp and % for A80.

Abstract: In a method for improving the weldability of high-manganese-containing steel strips which contain (in % by weight) from 6 to 30% of manganese, up to 1% of carbon, up to 15% of aluminum, up to 6% of silicon, up to 6.5% of chromium, up to 4% of copper and also total additions of titanium and zirconium of up to 0.7% and total additions of niobium and vanadium of up to 0.5%, balance iron including unavoidable steel-accompanying elements the steel strips are coated with a zinc-containing corrosion protection layer.

Abstract: A zinc-based anti-corrosion coating is disclosed for steel sheets or steel strips, which for the purpose of hardening are at least in parts heated to a temperature above Ac3 and then cooled at a temperature situated at least partially above the critical cooling speed, the anti-corrosion coating being a coating applied by hot dipping. In addition to at least 75% by weight zinc and possible unavoidable impurities, the coating also contains 0.5 to 15.0% by weight manganese and 0.1 to 10.

Abstract: A method for producing a cast strip from steel with properties that can be adjusted across a cross section and a length of the strip, includes applying a coating mass including a carrier liquid with additives contained therein to a side of a rotating cast band of a horizontal strip cast system, drying the coating mass for removing liquid components of the coating mass, applying a steel melt to the side of the rotating cast band via a melt container, wherein the dried coating mass is materially united with the applied steel melt; and allowing the steel melt to solidifiy to a pre-strip.

Abstract: A high-strength multi-phase steel having minimum tensile strengths of 750 MPa and preferably having a dual-phase microstructure for a cold- or hot-rolled steel strip, in particular for lightweight vehicle construction is disclosed. The high-strength multi-phase steel has improved forming properties and a ratio of yield point to tensile strength of at most 73%. The high-strength multi-phase steel includes in mass %: C?0.075 to ?0.105; Si?0.600 to ?0.800; Mn?1.000 to ?0.700; Cr?0.100 to ?0.480; Al?0.010 to ?0.060; N 0.0020?0.0120; S?0.0030; Nb?0.005 to ?0.050; Ti?0.0050 to ?0.050; B?0.0005 to ?0.0040; Mo?0.200; Cu?0.040%; Ni?0.040% the remainder iron, including typical elements accompanying steel that are not mentioned above, which represent contamination resulting from smelting.

Abstract: In a method for producing strips made of steel, in particular for producing cutting and machining tools having improved service life, a preliminary strip is produced from a melt of a hardenable steel in a casting process and then rolled out into a hot-rolled strip and then, if necessary, annealed and cold rolled. The preliminary strip is produced in a horizontal strip casting system, wherein the melt is discharged from a feed vessel onto a cooled conveyor belt circulating over two deflecting rollers and is cast, with a killed flow and without bending, into a preliminary strip in the range between 6 and 40 mm, then rolled into hot-rolled strip having a degree of deformation of at least 50%, wherein the cooling rate on the top side and the bottom side of the preliminary strip is set differently for the purpose of residual solidification outside of the centre of the strip.

Abstract: An energy-storing container is made of a lightweight steel having the following chemical composition (in wt %): C 0.04-2%; Mn 14-30%; Al 1.5-12%; Si 0.3-3%; Cr 0.12-6%, and additionally one or more of the following elements: Ti, V, Nb, B, Zr, Mo, Ni, Cu, W, Co, P, N, each at up to 5% and in total at up to 10%, wherein the remainder is Fe including common steel tramp elements, wherein the concrete alloy composition is selected in order to limit the ??-martensite fraction before or after a forming process to no more than 3%, with the stipulation that the ??-martensite equivalent according to 0.1*wt % Mn wt % C 0.05*wt % Si is between 3.4 and 10.5.

Abstract: A method for producing a component by hot forming a pre-product made of steel is disclosed. The pre-product is heated to a forming temperature and is then reshaped, said component having a bainitic microstructure with a minimum tensile strength of 800 MPa after the forming process. In the process, the pre-product with the specified alloy composition is heated to a temperature below the Ac1 transformation temperature, said pre-product already consisting of a steel with a microstructure made of at least 50% bainite.

Abstract: A method is disclosed for producing components from an austenitic lightweight steel which is metastable in its initial state, by forming of a sheet, a circuit board or a pipe in one or more steps, exhibiting a temperature-dependent TRIP and/or TWIP effect during forming. To obtain a component with, in particular, high toughness, the forming is carried out at a temperature above room temperature, at 40 to 160° C., which avoids the TRIP/TWIP effect, and to achieve in particular high component strength, the forming is carried out at a temperature below room temperature, at ?65 to 0° C., which enhances the TRIP/TWIP effect.

Abstract: A method for producing a cast strip from steel with properties that can be adjusted across a cross section and a length of the strip, includes applying a coating mass comprising a carrier liquid with additives contained therein to a side of a rotating cast band of a horizontal strip cast system, drying the coating mass for removing liquid components of the coating mass, applying a steel melt to the side of the rotating cast band via a melt container, wherein the dried coating mass is materially united with the applied steel melt; and allowing the steel melt to solidifiy to a pre-strip.

Abstract: In a method for producing a component by hot forming of a pre-product made of steel, the pre-product is heated to forming temperature and subsequently formed. The product is heated to a temperature below the AC1-transformation temperature and undergoes a strength increase prior to the heating by cold forming.

Abstract: An energy-storing container is made of a lightweight steel having the following chemical composition (in wt %): C 0.04-2%; Mn 14-30%; Al 1.5-12%; Si 0.3-3%; Cr 0.12-6%, and additionally one or more of the following elements: Ti, V, Nb, B, Zr, Mo, Ni, Cu, W, Co, P, N, each at up to 5% and in total at up to 10%, wherein the remainder is Fe including common steel tramp elements, wherein the concrete alloy composition is selected in order to limit the a?-martensite fraction before or after a forming process to no more than 3%, with the stipulation that the a?-martensite equivalent according to 0.1*wt % Mn+wt % C+0.05*wt % Si is between 3.4 and 10.5.

Abstract: The invention relates to a method for producing a steel melt containing up to 30% of Mn, which additionally may comprise up to 5% Si, up to 1.5% C, up to 22% Al, up to 25% Cr, up to 30% Ni, and up to 5% each of Ti, V, NB, Cu, Sn, Zr, Mo, and W, and up to 1% each of N and P, with the remainder being iron and unavoidable steel companion elements.