Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
04/2002
04/10/2002EP1194598A1 Steel for producing components of picture tubes and method for producing the sheet steel, from which the picture tubes are made
04/10/2002EP1194251A1 Method and apparatus for in-line heat treatment of hot rolled stock
04/10/2002CN1082563C Rolling member and rolling device comprising same
04/10/2002CN1082562C Process for producing Fe-Ni alloys used for electron gun parts
04/09/2002US6368549 Metallurgical vessel
04/09/2002US6368430 Process for quenching heat treatable metal alloys
04/04/2002WO2002026424A1 Production of thin steel strip
04/04/2002WO2002026422A1 A method of producing steel
04/04/2002DE10044362A1 Controlled quenching of difficult-to-harden steels from austenitic region follows specific paths with respect to perlitic, bainitic and martensitic regions.
04/04/2002DE10043880A1 Bumper for motor vehicles has U-profile with heat-refined central web and legs, and unrefined outer flanges
04/03/2002EP1193413A1 Rolling support device and method for manufacturing the same
04/03/2002EP1193322A1 High tensile cold-rolled steel sheet having excellent strain aging hardening properties
04/03/2002EP1193317A1 Installation for the heat treatment of metallic article loads
04/03/2002CN2484336Y Plate-spring quenching machine
04/03/2002CN1343151A Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
04/03/2002CN1343147A Heat shields
04/03/2002CN1082098C Bake hardenable vanadium contg. steel
04/03/2002CN1081961C Producing equipment for ferrite zone hot rolling strip and producing process for ferrite strip
04/02/2002US6364973 Alloy containing iron, carbon, silicon and manganese
04/02/2002US6364972 Method for selectively hardening a carbon steel screw
04/02/2002US6364967 High-strength, high-toughness rolled shape steel and method of producing the same
03/2002
03/28/2002WO2002024965A1 Device for inductively heating workpieces
03/28/2002WO2002024964A1 Method for making a roll shell of a roll used in the manufacture or further processing of paper and/or board
03/28/2002US20020037120 Rolling bearing device
03/28/2002DE10131154A1 Flaches plattenartiges Teil mit Zahnabschnitt Flat plate-like member having tooth portion
03/28/2002DE10046547A1 Inductive heating device for rotationally symmetrical conductive workpiece has 2 magnetisable coil cores for inductive heating coils separated by air-gap receiving workpiece
03/28/2002DE10045675A1 Bonding workpieces having high and low carbon contents, useful in manufacture of motor vehicle components, involves using electron beam welding process
03/27/2002EP1191115A1 High carbon steel sheet and method for production thereof
03/27/2002EP1191111A1 A method and an apparatus for press tempering
03/27/2002EP1190790A1 Die-casting valve
03/27/2002EP1190108A1 Casting material for indefinite rollers with a sleeve part and method for producing the same
03/27/2002CN2483397Y Steel wire stabilization treating oven
03/27/2002CN1341758A Piling suspension chain workpiece heat treatment production line
03/27/2002CN1081674C Steel wire for ejector pin of die set and manufacture thereof
03/26/2002US6362462 Induction hardening coil for a crankshaft
03/26/2002US6361625 Used for sharp curves of a high-axle load railroad
03/26/2002US6361624 Fully-stabilized steel for porcelain enameling
03/26/2002US6361621 Process for the inhibition control in the production of grain-oriented electrical sheets
03/26/2002US6361620 Process for the inhibition control in the production of grain-oriented electrical sheets
03/26/2002CA2166713C Warm forming high strength steel parts
03/21/2002WO2002022904A1 Super high tensile cold-rolled steel plate and method for production thereof
03/21/2002WO2002022894A1 Dual-purpose installation for continuous annealing and hot dip plating
03/21/2002US20020033591 Method of producing a cold temperature high toughness structural steel tubing
03/21/2002US20020033207 Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet
03/21/2002US20020033206 Hot rolling, cold rolling, crystallization, decarboxylation
03/21/2002CA2421925A1 Dual-purpose installation for continuous annealing and hot dip plating
03/20/2002EP1187944A1 Rolling structure steel
03/20/2002EP1187686A1 Integrated plant for the production of rolled stock
03/20/2002CN1341155A Direct patenting high strength wire rod and method for producing same
03/20/2002CN1340630A Roller allocated at entrance and exit sides in quenching zone of continuous annealing furnace and quenching zone device using the roller
03/20/2002CN1081238C Alloying system and heating control device for high grade galvanized steel sheet
03/20/2002CN1081237C Method and equipment for restricting deformation of steel rail in heat treatment
03/20/2002CN1081236C Method for batch annealing of austenitio stainless steels
03/19/2002US6358465 Device for exchanging heat with a flat product
03/19/2002US6358338 Process for manufacturing strip made of an iron-carbon-manganese alloy, and strip thus produced
03/19/2002US6358337 Process for the annealing of drawn carbon steel rolls and coils of carbon steel sheet
03/19/2002US6357924 Rolling bearing
03/19/2002US6357758 Metal gasket and method of manufacturing
03/14/2002US20020029825 Advanced case carburizing secondary hardening steels
03/14/2002DE10143697A1 Process for removing heat from the soldering or welding region of two metallic workpieces comprises measuring the temperature of the metallic materials to be joined
03/13/2002EP1105543B1 Method for producing a cam that can be placed on a hollow shaft to form a camshaft
03/13/2002CN1340107A Steel sheet for tension mask, method for producing the same and tension mask
03/13/2002CN1340106A 冷轧钢 Cold Rolled Steel
03/13/2002CN1080764C Railway elastic strip of low alloy steel and its heat treatment method
03/12/2002US6355119 Heat treatment method for producing boundary-layer hardened long products and flat products of unalloyed or low-alloy steel
03/07/2002US20020026997 Heat recovery type heat storage apparatus
03/07/2002US20020026968 Method and apparatus for producing fine wire
03/07/2002US20020026857 Method for the manufacturing of a saw blade
03/07/2002DE10055338C1 Production of cold strip comprises hot rolling pre-material produced from steel, cold rolling hot strip to form cold strip, annealing at temperature which is lower than recrystallization temperature, cold deforming, and further annealing
03/07/2002DE10041179A1 Arrangement for processing inner surface of cylindrical bore directs cooling medium jet to inner surface to follow focus of laser beam producing local melting for alloy powder application
03/06/2002EP1183399A1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof
03/06/2002EP1183121A1 Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
03/06/2002EP0912270B1 Method for producing axially symmetric parts
03/06/2002EP0812365B1 Methods for annealing high manganic cold rolled steel sheet
03/06/2002CN1080321C Dual-phase high-strength steel sheet having excellent dynamic deformation properties, and process for preparing same
03/06/2002CN1080318C Production of grain oriented silicon steel sheet
03/05/2002US6352008 One-piece flywheel having outer ring gear portion, and process of manufacturing the same
02/2002
02/28/2002US20020025771 Stress relieved grinding ball having hard outer shell
02/28/2002DE10139639A1 Heat treatment furnace used for heat treating metallic workpieces consists of two ovens with rollers for transporting the workpieces from one oven to the next oven
02/28/2002DE10037053A1 Verfahren und Vorrichtung zum Plasmaimpulsverfestigen eines metallischen Bauteils Method and apparatus for pulsed plasma solidifying a metallic component
02/28/2002DE10032297A1 Sägeblatt und Verfahren zur Herstellung eines solchen Saw blade and methods for producing such
02/27/2002EP0830462B1 Method for making arcuate coil springs, resulting springs and devices for carrying out the method
02/27/2002CN1079841C Martensitic stainless steel having high mechanical strength and corrosion resistance, related products and its production method of said products from said stainless stell
02/26/2002US6349586 Apparatus and method for annealing container side wall edge for necking
02/26/2002CA2222281C Low-alloy heat-treated pearlitic steel rail excellent in wear resistance and weldability and process for producing the same
02/26/2002CA2170875C Interactive laser welding at elevated temperatures of superalloy articles
02/21/2002US20020022206 Strip guiding device comprising a rotatable construction for changing supporting rolls having cooling means
02/21/2002US20020020474 From the rolling heat, using measuring technological means in cooperation iwth a computing program, to calculate the quantity of heat to be removed from different section parts; rails, for example to prevent warping
02/21/2002DE10136159A1 Verfahren zur Herstellung eines Metallteils mit wenigstens einem elastisch verformbaren Teil und durch Ausführung dieses Verfahrens hergestelltes Metallteil A process for preparing a metal part with at least one elastically deformable part and produced by carrying out this method the metal part
02/21/2002DE10124393A1 Hitzebeständiger Stahl, Verfahren zur thermischen Behandlung von hitzebeständigem Stahl, und Kompenten aus hitzebeständigem Stahl A heat-resistant steel, process for the thermal treatment of heat-resistant steel, heat-resistant steel and Kompenten from
02/21/2002DE10037104A1 Verfahren zur Schweißnahtglättung beim Strahlschweißen A method for smoothing weld with beam welding
02/20/2002CN1079438C Plasma quenching system and method for metal blades
02/19/2002US6348112 Method for manufacturing a trailer hitch assembly
02/19/2002US6348111 Method for producing Fe—Ni alloy
02/14/2002WO2002012813A1 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method
02/14/2002WO2002012591A1 Method and device for plasma treatment of moving metal substrates
02/14/2002WO2002012580A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production
02/14/2002US20020017747 Rolls for disposing at entry side or exit side of quenching zone of continuous annealing furnace and quenching zone unit using rolls
02/14/2002US20020017374 Method and apparatus for the direct production of scale-free thin metal strip
02/14/2002US20020017344 Method of quenching alloy sheet to minimize distortion