Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
07/2004
07/15/2004DE10227498B4 Verfahren und Vorrichtung zur konvektiven Wärmeübertragung zwischen einem Wärmeübertragungsmittel und der Stirnfläche eines gewickelten Metallbandes in Form eines Coils Method and device for convective heat transfer between a heat transfer medium and the face of a wound metal tape in the form of a coil
07/14/2004EP1437422A1 Steel pipe having high formability and method for production thereof
07/14/2004EP1437190A2 Use of a chrome steel alloy
07/14/2004EP1208166B1 Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
07/14/2004CN1511673A Method for producing steel forge piece and forge piece produced therefrom
07/14/2004CN1157749C Shadow mask used for plane color cathode-rays tube and its producing method
07/14/2004CN1157491C High carbon steel sheet and method for production thereof
07/13/2004US6761779 Using a preheating zone that can be divided, along its length, into a zones of unit length corresponding to one burner preheating of metal strip for heat treating metal strip
07/13/2004US6761778 Varying the heating by the said radiant tubes located near the rollers, thereby directly controlling the heat flux emitted by the radiant tubes towards the rollers.
07/08/2004WO2004056503A1 Method and apparatus for cooling strip and wire material
07/08/2004WO2004056502A1 Method and production line for rationally producing u-shaped heat exchange tubes
07/08/2004US20040132598 Roller member and method of producing the same
07/08/2004US20040129355 Method of manufacturing a product from steel and product manufactured according to said method
07/08/2004US20040129348 High strength steel weld having improved resistance to cold cracking and a welding method
07/08/2004DE10261710A1 Process for surface treatment of a steel shaft of non-rotationally symmetrical cross-section useful for the production and treatment of crankshafts, camshafts, and gear shafts
07/08/2004DE10260828A1 Verfahren zur Herstellung einer Schraube sowie nach dem Verfahren hergestellte Schraube A process for producing a screw, and prepared by the process screw
07/08/2004DE10260358A1 Verfahren zum Lichtbogenschweißen von duktilem Gusseisen Method for arc welding of ductile cast iron
07/08/2004DE10257967A1 Use of a chromium steel alloy containing alloying additions of silicon, manganese, molybdenum, chromium, nickel, tungsten, vanadium, niobium, copper, aluminum and cobalt as a material for objects resistant to water embrittlement
07/08/2004DE10030100B4 Verfahren zur Herstellung von Walzen mit eingearbeiteten Kalibern und oxydationsoptimierter Matrix zur Minderung von Warmverschleiß für die thermomechanische Umformung von metallischen Werkstoffen A process for producing rollers with incorporated calibers and oxydationsoptimierter matrix for reducing hot wear for the thermo-mechanical forming of metallic materials
07/08/2004DE10016316B4 Wälzlager und Verfahren zu dessen Herstellung Rolling and process for its preparation
07/07/2004EP1435399A1 High strength steel weld having improved resistance to cold cracking and a welding method
07/07/2004EP1434889A1 High-hardness, highly ductile ferrous articles
07/07/2004CN2623696Y Normalizing cooling device for engine crankshaft
07/07/2004CN1156876C Expanded form mask for color Braun tube and its material
07/07/2004CN1156348C Continuous production facilites for wire
07/06/2004US6758921 Method of manufacturing a bending-resistant, torsionally yielding tubular profiled member as a transverse support for a twist beam rear axle of a passenger car
07/01/2004WO2004055226A1 Steel wire for spring
07/01/2004US20040123924 Hardness, toughness, workability
07/01/2004US20040123461 Method for making a gear with 90-180 teeth
07/01/2004DE10260399B3 Verfahren und Fertigungslinie zum Herstellen von U-förmig gebogenen Rohren sowie die Verwendung der nach diesem Verfahren hergestellten Rohre Process and production line for the manufacture of tubes bent in a U-shape and to the use of the tubes produced by this method
06/2004
06/30/2004EP1433868A1 High strength, high carbon steel wire
06/30/2004EP1432835A2 Method and system for thermal treatment of rails
06/30/2004EP0996750B1 Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties
06/30/2004EP0912769A4 Induction hardened microalloy steel having enhanced fatigue strength properties
06/30/2004CN1509342A Steel and steel pipe for high-temp. use
06/30/2004CN1509340A Method of producing high cr-based seamless steel pipe
06/30/2004CN1508270A Brazing tool internal hole surface treating method
06/29/2004US6755923 Method of controlling metal strip temperature
06/24/2004WO2004053171A1 Cr-CONTAINING HEAT-RESISTANT STEEL SHEET EXCELLENT IN WORKABILITY AND METHOD FOR PRODUCTION THEREOF
06/24/2004US20040122472 Method of selectively annealing a needle
06/24/2004US20040118486 High strength, high carbon steel wire
06/24/2004US20040118485 Tempered martensite ; stabilization
06/23/2004EP1431407A1 Steel plate exhibiting excellent workability and method for producing the same
06/23/2004EP1358359B1 Steel and method for producing an intermediate product
06/22/2004US6752880 High strength
06/22/2004US6752624 Soaking apparatus
06/22/2004US6752368 Clamping device and method for grasping a workpiece
06/18/2004CA2414822A1 Hydrogen-induced cracking and sulphide stress cracking resistant steel alloy
06/17/2004WO2004050931A1 Cold rolled steel sheet for gasket material, method for production thereof and gasket material produced by the method
06/17/2004WO2004050922A1 Method and furnace for heat treatment
06/17/2004WO2004022792A3 Austempered cast iron article and a method of making the same
06/17/2004US20040113461 Press molding and its high frequency quenching method and its high frequency quenching system
06/17/2004US20040113334 Device for tempering rolled stock of great length
06/17/2004US20040112485 Continuous process for production of steel part with regions of different ductility
06/17/2004US20040112484 Tensile strength; uniform elongation; heat treatment; low temperature annealing
06/17/2004US20040112483 High-strength isotropic steel, method for making steel plates and resulting plates
06/17/2004US20040112479 High strength, noncracking
06/17/2004US20040112473 Heat-treated steel wire for high strength spring
06/17/2004US20040112468 Continuous crystallization; hysteresis loops; iron alloy
06/17/2004US20040112105 Structural body and method for cold rolling
06/17/2004DE10312900B3 Measurement of internal stress induced in steel by hardening
06/17/2004DE10256394A1 Process for production of steel tubes from hot rolled strip steel, especially by high internal pressure forming, useful in the production of tubes with longitudinal weld seams for the automobile industry
06/17/2004DE10255264A1 Verwendung einer Stahllegierung als Werkstoff zur Herstellung von dickwandigen Rohrbauteilen für Kraftfahrzeuge Use of a steel alloy as a material for the production of thick-walled pipe components for motor vehicles
06/16/2004EP1428895A1 Steel strap composition
06/16/2004EP1428589A1 Method and device for cooling steel sheet
06/16/2004EP1428588A1 Device and method for heat treatment of flat metal
06/16/2004EP1427978A1 Method of improving the temperature profile of a furnace
06/16/2004EP1427864A1 Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks
06/16/2004EP1299569B1 Ferritic stainless steel for ferromagnetic parts
06/16/2004EP1224337B1 Apparatus for supporting material to be treated in continuously operated thermal treatment furnaces
06/16/2004CN1505822A Method for producing nanocrystalline magnet cores, and device for carrying out said method
06/16/2004CN1505691A A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same
06/16/2004CN1505690A Steel article
06/16/2004CN1505687A Method for enhancing the metallurgical quality of products treated in a furnace
06/15/2004US6749800 Arrangement and method for transporting metallic work pieces, and system for heat treatment of said work pieces
06/15/2004US6749701 Method of inhibiting cold-rolled steel sheet edge cracking, and method of producing the steel sheet
06/15/2004US6749696 Crystallization; annealing; hot rolling; cold rolling
06/10/2004WO2004048631A1 Weldable steel building component and method for making same
06/10/2004WO2004048629A1 Use of a steel alloy as a material for producing pipes for motor vehicles
06/10/2004WO2004048628A1 Use of a steel alloy as a material for producing thick-walled tubular parts for motor vehicles
06/10/2004WO2004048620A1 Method for making an abrasion resistant steel plate and plate obtained
06/10/2004WO2004048619A1 Method for making an abrasion resistant steel plate and plate obtained
06/10/2004WO2004048618A1 Method for making an abrasion resistant steel plate and steel plate obtained
06/10/2004US20040109784 Steel and steel tube for high- temperature use
06/10/2004US20040108306 Laser heat treatment of crankshaft fillets
06/10/2004US20040108092 Method and system for processing castings
06/10/2004US20040108027 Making a semi-finished article of air-hardened steel;cold-forming the semi-finished article into a finished-shape part or component with a predetermined finished shape; hardening the finished-shape part or component by a heat treating
06/10/2004US20040108026 Cold rolled, high tensile strength ; use in strapping machines for providing a tensioned loop about packaged articles
06/10/2004US20040108025 Ring supports are annealed in a vacuum or in a reducing hydrogen atmosphere, at temperatures between 900 degrees C. and 1130 degrees C
06/10/2004US20040107757 Method of making structural components
06/09/2004EP1426454A1 Method for producing a formed component with at least two regions of structure having different ductility and continuous furnace therefor
06/09/2004EP1426453A1 Process for the production of a steel forged part and part obtained thereof
06/09/2004EP1426259A1 Method and device for determining wheel force
06/09/2004EP1425436A1 Oil removing device for cleaning pipes that are present in the form of coils
06/09/2004EP1425426A2 Device for quenching and tempering long-length rolling stock
06/09/2004EP0828862B2 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles
06/09/2004DE10255260A1 Verwendung einer Stahllegierung als Werkstoff zur Herstellung von Rohrleitungen für Kraftfahrzeuge Use of a steel alloy as a material for producing pipelines for motor vehicles
06/09/2004CN2619947Y Heat treatment furnace for pile-up welding large rolls
06/09/2004CN1503849A Press moulding and its high frequency quenching method and its high frequency quenching device
06/09/2004CN1502707A Part heat treatment method for parts to be heat treated and apparatus thereof