| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/22/2004 | US20040074570 Method of producing a cold temperature high toughness structural steel tubing |
| 04/22/2004 | US20040074092 Production of a cylindrical housing for a double screw extruder |
| 04/22/2004 | DE10247372A1 Production of a hardened steel component comprises forming a semi-finished product made from air-hardened steel, cold forming the product to form the finished molded component, and hardening the component by heat treating |
| 04/22/2004 | DE10247301A1 Deep drawing of metal plates, for vehicle components, inserts a heated plate at annealing temperature between the upper and lower dies, to be pressed and the base embossed and be cooled within the press |
| 04/22/2004 | CA2445910A1 Method of processing nonferrous metal alloy and processing apparatus thereof |
| 04/21/2004 | EP1411140A1 Process for manufacturing of cold-rolled steel strips or sheets having excellent formability |
| 04/21/2004 | EP1411138A1 Nonoriented electromagnetic steel sheet |
| 04/21/2004 | EP1409758A1 Railway wheels resistant to martensite transformation |
| 04/21/2004 | EP1409751A1 Ceramic core spacer blocks for high temperature preheat cycles |
| 04/21/2004 | EP1204770B8 Method for making a continuous steel strip |
| 04/21/2004 | CN1491291A Heat-treated steel wire for high strength spring |
| 04/21/2004 | CN1491290A Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 04/21/2004 | CN1491287A High-strength isotropic steel, method for making steel plates and resulting plates |
| 04/21/2004 | CN1491286A High-hardness, highly ductile ferrous articles |
| 04/21/2004 | CN1490184A Bicycle frame parts made from anti-bending stainless steel |
| 04/21/2004 | CN1146672C Super high tensile cold-rolled steel plate and method for production thereof |
| 04/21/2004 | CN1146479C Method and plant for manufacture of strip of formable steel |
| 04/20/2004 | US6723175 Formed member made of steel sheet and method for producing same |
| 04/20/2004 | US6723020 Planetary carrier and method of manufacture |
| 04/20/2004 | US6722175 Ultrasonic machining and reconfiguration of braking surfaces |
| 04/15/2004 | US20040069773 Induction heating system having eccentric locator |
| 04/15/2004 | US20040069382 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 04/15/2004 | DE10303228B3 Device for heat treating metallic strips has a heat treatment section containing a heating region and a first cooling region, and nozzle fields for producing impact beams onto the strips |
| 04/15/2004 | DE10256621B3 Continuous furnace used in the production of vehicle components, e.g. B-columns, comprises two zones lying opposite each other and separated from each other by a thermal insulating separating wall |
| 04/15/2004 | DE10246164A1 Making e.g. vehicle structural components with wall thickness varied by rolling, shapes and hardens components through combination of heat- and mechanical treatments |
| 04/15/2004 | DE10196814T5 Induktionshärtungsspule für eine Kurbelwelle Induction hardening coil for a crankshaft |
| 04/14/2004 | EP1408132A1 Ferritic stainless steel sheet for use in exhaust parts with good formability, high-temperature strength, high-temperature oxidation resistance, and low-temperature toughness |
| 04/14/2004 | EP1408126A2 Continuous heat treatment furnace |
| 04/14/2004 | EP1407836A1 Structural body and method for cold rolling |
| 04/14/2004 | EP1407462A2 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 04/14/2004 | EP1406736A1 Method of producing coils of sheet metal and the spacer designed to implement said method |
| 04/14/2004 | CN1489497A Method for altering profile of roller strip |
| 04/14/2004 | CN1145709C High tensile cold-rolled steel sheet having excellent strain aging hardening properties and production method thereof |
| 04/14/2004 | CN1145706C Process for thermal treatment of steel strlp |
| 04/13/2004 | US6719854 Improved quiet |
| 04/13/2004 | US6718809 Method for processing billets out of metals and alloys and the article |
| 04/13/2004 | CA2290532C Nails having selected heat treatment and hardening |
| 04/13/2004 | CA2264823C Age hardenable alloy with a unique combination of very high strength and good toughness |
| 04/08/2004 | WO2004029315A1 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 04/08/2004 | WO2004029314A1 Machine part and method for manufacturing same |
| 04/08/2004 | WO2004029305A1 Cooling device for steel strip |
| 04/08/2004 | WO2004029304A1 Cu-CONTAINING STEEL PRODUCT OF EXCELLENT SURFACE PROPERTY AND PROCESS FOR PRODUCING THE SAME |
| 04/08/2004 | WO2003056053B1 Precipitation hardenable austenitic steel |
| 04/08/2004 | US20040066129 Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| 04/08/2004 | US20040065390 High temperature, high strength, oxidation resistance ; low temperature toughness |
| 04/08/2004 | DE19612969B4 Verfahren zur Herstellung eines Kipp- oder Schlepphebels eines Ventiltriebs einer Brennkraftmaschine A process for producing a rocker or drag lever of a valve drive of an internal combustion engine |
| 04/08/2004 | DE10307184B3 Production of hardened components used as aluminum vehicle parts comprises heating a metal sheet plate to a hardening temperature, hot deforming, configuring into a final shape, and hardening |
| 04/08/2004 | DE10305725B3 Production of a coated molded component made from hardened steel used in vehicles comprises cutting a mold plate from a coated coil material, cold forming the plate, and hot forming and/or partially hardening in the coating-free regions |
| 04/08/2004 | DE10300371B3 Production of a coated molded component made from hardened steel used in vehicles comprises locally coating the component after hardening using a coating process which reduces the strength value by the introduction of heat |
| 04/08/2004 | DE10258531B3 Production of a steel with a corrosion protection coating used in the production of an automobile chassis comprises annealing the steel, treating the surface of the steel using high energy, and coating the surface of the steel |
| 04/08/2004 | DE10152293B4 Verwendung einer Chrom-Stahllegierung Using a chromium steel alloy |
| 04/07/2004 | EP1405926A1 Induction hardening device, especially for manufacturing suspension elements |
| 04/07/2004 | EP1404882A1 Method and device for quenching steel in pressurized air |
| 04/07/2004 | EP0957968B1 High performance wires for use as catheter guidewires and method of making them |
| 04/07/2004 | CN1487175A Manufacture of air valve seat specially for gas engine |
| 04/07/2004 | CN1487101A Method of raising strength of acicular ferrite pipeline steel |
| 04/07/2004 | CN1144891C Casting material for indefinite rollers with sleeve parts and method for producing the same |
| 04/07/2004 | CN1144885C Rolling bearing steel with lower baintic structural surface and method for producing thereof |
| 04/07/2004 | CN1144632C Apparatus and method for inhibiting gowth of oxidation film on coiled stock |
| 04/01/2004 | US20040061265 Rapid cooling device for steel band in continuous annealing equipment |
| 04/01/2004 | US20040060623 Heating to austenization temperature and quenching of the region of greater ductility to between the martensite start and the ferritic or perlitic start temperatures; lower ductility region is heated to form martensite; hardening |
| 04/01/2004 | DE10303980B3 Process for quenching a cast piece, e.g. an engine cylinder head, comprises placing the cast piece in a sink and positioning facing the sink floor without contact, immersing the sink in a cooling medium, and further processing |
| 04/01/2004 | DE10242322A1 Golf club head used in golf club manufacture is made from a rust-free age-hardened maraging steel containing alloying additions of nickel, chromium, titanium, beryllium |
| 03/31/2004 | EP1403394A1 Deflection-resistant stainless steel-made structural members of a two-wheeled vehicle |
| 03/31/2004 | CN2608189Y Soft body furniture spring heat treating transfer mechanism |
| 03/31/2004 | CN1143903C High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof |
| 03/31/2004 | CN1143899C Cold rolled steel |
| 03/30/2004 | US6713716 Reduced mist laser shock peening |
| 03/30/2004 | US6712912 Welding method, filler metal composition and article made therefrom |
| 03/25/2004 | WO2004024974A1 Method and apparatus for producing hot-dip coated metal belt |
| 03/25/2004 | WO2004024959A1 Atmosphere control during continuous heat treatment of metal strips |
| 03/25/2004 | US20040055673 Overcoating with solid lubricant; cold rolling |
| 03/25/2004 | US20040055672 Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same |
| 03/25/2004 | US20040055666 Multilayer; high strength, toughness, aging resistance |
| 03/24/2004 | EP1400606A1 Method of carburizing a bearing steel to produce a roller member |
| 03/24/2004 | EP1400603A1 Crawler bushing and method and device for producing the same |
| 03/24/2004 | EP0804623B1 Method for producing carbide-free bainitic steels |
| 03/24/2004 | CN1484713A Oil removing device for cleaning pipes that are present in the form of coils |
| 03/24/2004 | CN1484472A High frequency inductive heating coil |
| 03/24/2004 | CN1483842A Integral heat treatment method for large pressure container |
| 03/24/2004 | CN1483841A Integval heat treatment method for large horizontal pressure container |
| 03/24/2004 | CN1143006C Sintered sprocket and mfg. method thereof |
| 03/23/2004 | US6709372 Roller for metal strip transfer in a continuous annealing furnace |
| 03/18/2004 | WO2004022810A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 03/18/2004 | WO2004022793A2 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 03/18/2004 | WO2004022792A2 Austempered cast iron article and a method of making the same |
| 03/18/2004 | WO2003018856A9 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 03/18/2004 | US20040052440 Thrust needle roller bearing and method for manufacture thereof |
| 03/18/2004 | US20040050913 High strength diffusion brazing utilizing nano-powders |
| 03/18/2004 | US20040050465 Using a hot gas stream of 20% by volume of hydrogen, cooling and compressing the hot gas stream, removing the heat of compression, and cause the gas to impinge through a nozzle on the hot metal; replaces oils and avoids washing/cleaning |
| 03/18/2004 | US20040050464 Method for producing a cold rolled strip that is cold formed with low degrees of deformation |
| 03/18/2004 | US20040050462 Alloys chromium, molybdenum, carbon and niobium, titanium or tantalum, having tensile strength, for use as current collectors in fuel cells |
| 03/18/2004 | US20040050461 Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same |
| 03/18/2004 | US20040050459 Alloys having corrosion resistance and hardness used as tools |
| 03/18/2004 | DE10305742A1 Expansion joint cover, for use in high temperature treatment installations, especially cassettes or coke ovens, comprises angle elements with two edges perpendicular to each other |
| 03/18/2004 | DE10258728B3 Oven for heat treating workpieces, e.g. screws or rivets, comprises an annular oven chamber through which a number of workpiece carriers move using a central rotating hollow hub |
| 03/17/2004 | EP1398392A1 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming |
| 03/17/2004 | EP1397523A1 Cooling method for a hot-rolled product and a corresponding cooling-section model |
| 03/17/2004 | EP1397522A1 Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 03/17/2004 | EP1021572B1 Hot rolling high-strength steel structural members |