Patents Assigned to Bohler Edelstahl GmbH
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Publication number: 20240052469Abstract: A superaustenitic material is provided for use in chemical plant construction or in oilfield or gas field technology. The material resists corrosion, in particular corrosion in mediums with high chloride concentrations and sulfuric acid.Type: ApplicationFiled: December 19, 2019Publication date: February 15, 2024Applicant: voestalpine BÖHLER Edelstahl GmbH & Co KGInventors: Rainer FLUCH, Andreas KEPLINGER
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Publication number: 20230392243Abstract: The present invention relates to a method for producing an article out of a maraging steel, wherein the article is successively subjected to a solution annealing and heat treatment, wherein the steel has the following composition in M-%: C=0.01-0.05 Si=0.4-0.8 Mn=0.1-0.5 Cr=12.0-13.0 Ni=9.5-10.5 Mo=0.5-1.5 Ti=0.5-1.5 Al=0.5-1.5 Cu=0.0-0.05 Residual iron and smelting-induced impurities.Type: ApplicationFiled: December 19, 2018Publication date: December 7, 2023Applicant: voestalpine BOHLER Edelstahl GmbH & Co. KGInventors: Harald Leitner, Klaus Sammt, Horst Zunko
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Publication number: 20230332282Abstract: A superaustenitic material consisting of an alloy with the following components (all values expressed in % by weight): Elements Carbon (C) 0.01-0.25 Silicon (Si)<0.5 Manganese (Mn) 3.0-8.0 Phosphorus (P)<0.05 Sulfur (S)<0.005 Iron (Fe) residual Chromium (Cr) 23.0-30.0 Molybdenum (Mo) 2.0-4.0 Nickel (Ni) 10.0-16.0 Vanadium (V)<0.5 Tungsten (W)<0.5 Copper (Cu)<0.5 Cobalt (Co)<5.0 Titanium (Ti)<0.1 Aluminum (Al)<0.2 Niobium (Nb)<0.1 Boron (B)<0.01 Nitrogen (N) 0.50-0.Type: ApplicationFiled: December 19, 2019Publication date: October 19, 2023Applicant: voestalpine BÖHLER Edelstahl GmbH & Co KGInventors: Rainer FLUCH, Andreas KEPLINGER
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Patent number: 11613790Abstract: The present invention relates to a method for producing an article out of a maraging steel, wherein the article is successively subjected to a solution annealing and heat treatment, wherein the steel has the following composition in weight percent: C=0.01-0.05 Si=0.4-0.8 Mn=0.1-0.5 Cr=12.0-13.0 Ni=9.5-10.5 Mo=0.5-1.5 Ti=0.5-1.5 Al=0.5-1.5 Cu=0.0-0.05 Residual iron and smelting-induced impurities.Type: GrantFiled: December 19, 2018Date of Patent: March 28, 2023Assignee: voestalpine Bohler Edelstahl GmbH & Co. KGInventors: Ronald Schnitzer, Harald Leitner
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Patent number: 11486015Abstract: The invention relates to a method for producing a steel material, particularly a corrosion-resistant steel material for pumps and similar, in which a steel corresponding to the following analysis (in wt. %) is smelted: C<0.050; Si<0.70; Mn<1.00; P<0.030; S<0.010; Cr=14-15.50; Mo=0.30-0.60; Ni=4.50-5.50; V<0.20; W<0.20; Cu=2.50-4.00; Co<0.30; Ti<0.05; Al<0.05; Nb<0.05; Ta<0.05; N<0.05.Type: GrantFiled: May 11, 2017Date of Patent: November 1, 2022Assignee: VOESTALPINE BÖHLER EDELSTAHL GMBH & CO. KGInventors: Jochen Perko, Michael Haspel, Patric Schütz
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Publication number: 20220145436Abstract: A superaustenitic material is provided for use in chemical plant construction, maritime conditions, oilfield or gas field technology. The material resists corrosion, in particular corrosion in mediums with high chloride concentrations or in sulfuric acid conditions.Type: ApplicationFiled: December 19, 2019Publication date: May 12, 2022Applicants: voestalpine BÖHLER Edelstahl GmbH & Co KG, VOESTALPINE BÖHLER BLECHE GMBH & Co KGInventors: Rainer FLUCH, Andreas KEPLINGER, Clemens VICHYTIL
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Publication number: 20220033924Abstract: A drill string component, in particular a drilling collar component, an MWD component, or an LWD component for use in oilfield technology and particularly in deep drilling, is provided. A method of making a drill string component, and a steel alloy useful in making a drill string component, are also provided.Type: ApplicationFiled: December 19, 2019Publication date: February 3, 2022Applicants: voestalpine BÖHLER Edelstahl GmbH & Co KG, Schoeller-Bleckmann Oilfield TechnologyInventors: Rainer FLUCH, Andreas KEPLINGER, Martin WÖLS, Bernd HOLPER, Walter SPRUZINA
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Patent number: 7682417Abstract: A cold work steel article. The article comprises a material which comprises, in addition to Fe, the elements C, Si, Mn, P, S, Cr, Mo, Ni, V, W, Cu, Co, Al, N and O in certain concentrations and has been produced by by a powder metallurgical process. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: April 23, 2004Date of Patent: March 23, 2010Assignee: Bohler Edelstahl GmbHInventors: Ingrid Schemmel, Stefan Marsoner, Werner Liebfahrt
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Publication number: 20050169790Abstract: An iron-based alloy for use in a material for high-pressure components. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: November 5, 2004Publication date: August 4, 2005Applicants: Bohler Edelstahl GmbH, Bohler Hochdrucktechnik GmbHInventors: Johann Zand, Johannes Schedelmaier, Manfred Polzl
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Publication number: 20050145308Abstract: An austenitic, substantially ferrite-free steel alloy and a process for producing components therefrom. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: December 2, 2004Publication date: July 7, 2005Applicants: Bohler Edelstahl GmbH, Schoeller Bleckmann Oilfield Technology GmbH & Co KGInventors: Gabriele Saller, Herbert Aigner, Josef Bernauer, Raimund Huber
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Publication number: 20050002819Abstract: A cold work steel article. The article comprises a material which comprises, in addition to Fe, the elements C, Si, Mn, P, S, Cr, Mo, Ni, V, W, Cu, Co, Al, N and O in certain concentrations and has been produced by by a powder metallurgical process. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: April 23, 2004Publication date: January 6, 2005Applicant: Bohler Edelstahl GmbHInventors: Ingrid Schemmel, Stefan Marsoner, Werner Liebfahrt
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Patent number: 6797232Abstract: Creep-proof and corrosion-resistant nickel-based alloy for the use in high-temperature technology, comprising in wt-%: 0.0015 to 0.60 carbon (C); 0.20 to 0.90 nitrogen (N); 22.0 to 32.0 chromium (Cr); 5.0 to 20.0 elements of group 4, 5, and 6 of the periodic table, except Cr; 0.03 to 3.0 aluminum (Al); 0.4 to 3.0 silicon (Si); up to 0.15 elements of group 3 of the periodic table, except actinoids; up to 0.60 manganese (Ma); up to 14.8 iron (Fe); up to 0.01 boron (B); a maximum of 0.014 phosphorus (P); a maximum of 0.004 sulfur (S); a minimum of 51 nickel (Ni) or a combination of nickel (Ni) and cobalt (Co); and melting-related impurities.Type: GrantFiled: June 14, 2001Date of Patent: September 28, 2004Assignee: Bohler Edelstahl GmbHInventors: Markus Speidel, Josef Bernauer
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Patent number: 6773662Abstract: A hot-working steel article, e.g., tool, comprising a material which comprises, in % by weight, 0.451 to 0.598 C, 0.11 to 0.29 Si, 0.11 to 0.39 Mn, 4.2 to 4.98 Cr, 2.81 to 3.29 Mo, 0.41 to 0.69 V, with the balance iron, contaminants and accompanying elements, as well as an alloy and a process for making said article.Type: GrantFiled: October 2, 2002Date of Patent: August 10, 2004Assignee: Böhler Edelstahl GmbH & Co KGInventors: Kay Fisher, Herbert Schweiger
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Patent number: 6773482Abstract: A cold work steel alloy for the manufacture of parts, comprising the elements C, Si, Mn, Cr, W, Mo, V, Nb, Co, S, N, Ni and accompanying elements in the concentration ranges recited in claim 1 and having an oxygen content of less than 100 ppm and a content of nonmetallic inclusions corresponding to a K0 value of a maximum of 3 when tested according to DIN 50 602, as well as a method of making a part of said steel alloy by powder metallurgy.Type: GrantFiled: April 9, 2002Date of Patent: August 10, 2004Assignee: Bohler Edelstahl, GmbHInventors: Werner Liebfahrt, Roland Rabitsch
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Publication number: 20040031354Abstract: A metal powder produced by a process which comprises directing at least three successive gas beams at a molten metal stream inside an atomization chamber, the at least three gas beams being oriented in different directions. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: August 14, 2003Publication date: February 19, 2004Applicant: Bohler Edelstahl GmbH & Co. KGInventor: Claes Tornberg
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Patent number: 6652617Abstract: A high-speed steel article, particularly a cutting tool, produced by powder metallurgy and its production, the steel having a high degree of purity corresponding to a K0 value of no higher than 3 according to DIN 50 602 and being of a particular composition which comprises the elements C, Si, Mn, Cr, W, Mo, V, Co, S and N. Also provided is a process for the high-speed machining of metal parts without lubricants.Type: GrantFiled: March 13, 2002Date of Patent: November 25, 2003Assignee: Böhler Edelstahl GmbHInventors: Ingrid Maili, Roland Rabitsch, Werner Liebfahrt
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Patent number: 6632394Abstract: Process and a device for producing metal powders from molten metal. The process includes directing at least three successive gas beams at a molten metal stream inside an atomization chamber, the at least three gas beams being oriented in different directions. The device includes a metallurgical vessel for holding molten metal provided with a nozzle element for discharging a molten metal stream into an atomization chamber as well as at least three gas nozzle elements for providing at least three gas beams of different orientation and directed at different points of the molten metal stream inside the atomization chamber.Type: GrantFiled: July 23, 2001Date of Patent: October 14, 2003Assignee: Bohler Edelstahl GmbH & Co. KGInventor: Claes Tornberg
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Publication number: 20030136482Abstract: A material for the manufacture of parts and tools for use at elevated temperature, comprising an iron-based alloy comprising C, Si, Mn, Cr, Ni and N in certain concentrations and being cold formed to a hardness of at least 230 HB, a process for the manufacture of the material and a hot working tool comprising the material. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: January 22, 2003Publication date: July 24, 2003Applicant: Bohler Edelstahl Gmbh & Co KGInventors: Gottfried Mayerbock, Johann Sammer, Gabriele Saller
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Publication number: 20030098097Abstract: A hot-working steel article, e.g., tool, comprising a material which comprises, in % by weight, 0.451 to 0.598 C, 0.11 to 0.29 Si, 0.11 to 0.39 Mn, 4.2 to 4.98 Cr, 2.81 to 3.29 Mo, 0.41 to 0.69 V, with the balance iron, contaminants and accompanying elements, as well as an alloy and a process for making said article.Type: ApplicationFiled: October 2, 2002Publication date: May 29, 2003Applicant: Bohler Edelstahl GmbH & Co. KGInventors: Kay Fisher, Herbert Schweiger
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Publication number: 20030095886Abstract: A high-speed steel article, particularly a cutting tool, produced by powder metallurgy and its production, the steel having a high degree of purity corresponding to a K0 value of no higher than 3 according to DIN 50 602 and being of a particular composition which comprises the elements C, Si, Mn, Cr, W, Mo,V, Co, S and N. Also provided is a process for the high-speed machining of metal parts without lubricants.Type: ApplicationFiled: March 13, 2002Publication date: May 22, 2003Applicant: BOHLER EDELSTAHL GmbHInventors: Igrid Maili, Roland Rabitsch, Werner Liebfahrt