Method for producing custom made, welded sheet steel products to be warm formed and corresponding welded product
The invention relates to a method for producing sheet steel products, wherein steel blanks or steel strips (8, 9) of different thicknesses and/or material grades are welded to each other along a butt joint (7) formed by edges of the steel blanks or steel strips (8, 9). In order that the welding seam...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
27.03.2013
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Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to a method for producing sheet steel products, wherein steel blanks or steel strips (8, 9) of different thicknesses and/or material grades are welded to each other along a butt joint (7) formed by edges of the steel blanks or steel strips (8, 9). In order that the welding seam (10) of such a sheet steel product does not lose the hardened microstructure obtained by abrupt cooling during warm forming while heating to austenization temperature, according to the invention, a viscous fluid, in particular a paste, or a solid, powdered, or aerosol material is at least partially applied to at least one welding edge of the steel blanks or steel strips (8, 9) to be welded to each other before the welding process, said paste or material comprising at least one component increasing the strength of the welding seam (10) to be generated. The invention further relates to a correspondingly implemented sheet steel product. |
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AbstractList | The invention relates to a method for producing sheet steel products, wherein steel blanks or steel strips (8, 9) of different thicknesses and/or material grades are welded to each other along a butt joint (7) formed by edges of the steel blanks or steel strips (8, 9). In order that the welding seam (10) of such a sheet steel product does not lose the hardened microstructure obtained by abrupt cooling during warm forming while heating to austenization temperature, according to the invention, a viscous fluid, in particular a paste, or a solid, powdered, or aerosol material is at least partially applied to at least one welding edge of the steel blanks or steel strips (8, 9) to be welded to each other before the welding process, said paste or material comprising at least one component increasing the strength of the welding seam (10) to be generated. The invention further relates to a correspondingly implemented sheet steel product. |
Author | BOTH CHRISTIAN BRANDT MAX SCHAFTINGER DIETMAR DORNSCHEIDT CHRISTIAN |
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Snippet | The invention relates to a method for producing sheet steel products, wherein steel blanks or steel strips (8, 9) of different thicknesses and/or material... |
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SubjectTerms | CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WELDING WORKING BY LASER BEAM |
Title | Method for producing custom made, welded sheet steel products to be warm formed and corresponding welded product |
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