| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 07/23/2003 | EP0770695B1 Rail having high wear resistance and high internal damage resistance, and its production method |
| 07/23/2003 | CN1431325A Method for quick adjusting stress of metallurgy roller |
| 07/22/2003 | US6596098 Wire rod for high-fatigue-strength steel wire, steel wire and method of producing the same |
| 07/22/2003 | CA2235181C Method of regulating the stress distribution in metal strips or sheet, especially of nonferromagnetic metals |
| 07/17/2003 | WO2003057929A1 Method for producing grain-oriented silicon steel plate with mirror surface |
| 07/17/2003 | WO2003057928A1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method |
| 07/17/2003 | US20030131911 Tool steel for plastic molds |
| 07/17/2003 | US20030131910 Edge cracking during cold rolling is inhibited by conducting cold rolling after subjecting the hot-rolled sheet to 600-800 degrees C. x 10 hr or less intermediate annealing to impart a steel hardness of not greater than Hv 380. |
| 07/17/2003 | CA2473050A1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method |
| 07/16/2003 | EP1327692A2 Process for manufacturing of a steel product and product obtained |
| 07/16/2003 | EP1326725A1 Production of thin steel strip |
| 07/16/2003 | EP1326723A1 A method of producing steel |
| 07/16/2003 | CN1114710C Continuous casting steel plate for porcelain enameling excellent in formability, resistance to occurence of bubble or black point, and adhesion with porcelain enamel and its making method |
| 07/15/2003 | US6592690 Method for hardening ring-shaped grooves by means of laser beams |
| 07/15/2003 | US6592684 Rolling bearing |
| 07/10/2003 | WO2003056053A1 Precipitation hardenable austenitic steel |
| 07/10/2003 | WO2003056052A1 Precipitation hardenable austenitic steel |
| 07/10/2003 | WO2003056041A1 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor |
| 07/10/2003 | US20030127446 Means and method for heating |
| 07/10/2003 | US20030127162 Method for manufacturing high chromium system seamless steel pipe |
| 07/10/2003 | US20030127161 Controlled heating; surface treatment |
| 07/09/2003 | EP1325967A1 High strength steel pipe having strength higher than that of api x65 grade |
| 07/09/2003 | EP1325966A1 Super high tensile cold-rolled steel plate and method for production thereof |
| 07/09/2003 | EP1325163A1 Dual-purpose installation for continuous annealing and hot dip plating |
| 07/09/2003 | EP1325162A1 Device for inductively heating workpieces |
| 07/09/2003 | EP0956369B1 A method for manufacturing of curved and quenched profiled elements and a die tool for carrying out the method |
| 07/09/2003 | CN2559653Y Pipeline frequency conversion heater |
| 07/09/2003 | CN1113967C Steel sheet for tension mask, method for producing the same and tension mask |
| 07/08/2003 | US6589363 Method for making heat treated stainless hydraulic components |
| 07/08/2003 | US6588491 Apparatus for the direct production of scale-free thin metal strip |
| 07/08/2003 | US6588218 Cryogenic tempering process for dynamoelectric devices |
| 07/03/2003 | WO2003054236A1 Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill |
| 07/03/2003 | WO2003053624A1 System comprising an operator adapted computer for producing chains |
| 07/03/2003 | US20030124019 Ferritic stainless steel having high temperature creep resistance |
| 07/03/2003 | US20030123769 Bearing part, heat treatment method thereof, and rolling bearing |
| 07/03/2003 | US20030121576 Steel sheet and method for manufacturing the same |
| 07/03/2003 | US20030121571 Method of controlling metal strip temperature |
| 07/02/2003 | EP1324047A2 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 07/02/2003 | EP1323995A2 Multi-cell thermal processing unit |
| 07/02/2003 | EP1196256B1 Integrated continuous casting and in-line hot rolling process, as well as relative process with intermediate coiling and uncoiling of the pre-strip |
| 07/02/2003 | CN1427897A Heating furnace with regenerative burners and method of operating heating furnace |
| 07/02/2003 | CN1113108C 590 MPa class very thick H-steel excellent in toughness and production method thereof |
| 07/01/2003 | US6585834 Method for performing a heat treatment of metallic rings, and bearing ring thus obtained |
| 07/01/2003 | US6585148 Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processes |
| 07/01/2003 | US6585030 Method of producing steel strip |
| 06/26/2003 | WO2003052148A1 Method for avoiding adhesions and scratches during recrystallization annealing of cold rolled strips |
| 06/26/2003 | WO2003052147A1 Method for preventing adhesive substances and scratches from occurring during recrystallization annealing of cold strips |
| 06/26/2003 | US20030118965 Soaking apparatus |
| 06/26/2003 | US20030118665 Steel plate which shields electromagnetic waves at low frequencies |
| 06/26/2003 | US20030116894 Hermetic sealed enclosure; insulated door; nitriding |
| 06/26/2003 | US20030116240 High and low pressure integrated type turbine rotor and process for producing the same |
| 06/26/2003 | CA2685022A1 High strength friction stir welding |
| 06/25/2003 | EP1321686A2 Antifriction bearing and process for producing outer race for use in antifriction bearing |
| 06/25/2003 | EP1250205B1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 06/25/2003 | EP1238118A4 Martensitic stainless steel and steelmaking process |
| 06/25/2003 | EP1183399B1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 06/25/2003 | EP1109942B1 Method for producing cold-rolled bands or sheets |
| 06/25/2003 | EP0946763A4 High strength deep drawing steel developed by reaction with ammonia |
| 06/25/2003 | CN1426491A Welding method, filler metal composition and article made therefrom |
| 06/25/2003 | CN1426490A 滚动轴承部件 Rolling components |
| 06/25/2003 | CN1426489A Steelpipe having high formability and method for production thereof |
| 06/25/2003 | CN1112450C Method for eliminating residual stress of welded modified thick steel plate structure |
| 06/24/2003 | US6582537 Cold-rolled strips or sheets out of low-alloyed steels with a respective max. 0.2% of C, P, Al, Ti, V, Nb, S, B and a respective max. 1% Si and Mn, remainder iron; alloy melted, cast into slabs, hot rolled, cold rolled and annealed |
| 06/24/2003 | US6582532 Inexpensive bearings of which rolling fatigue strength and breaking resistance are excellent or at least equivalent as compared with carburized (cemented) bearings of conventional type |
| 06/24/2003 | US6581672 Method for controlling a continuous strip steel casting process based on customer-specified requirements |
| 06/19/2003 | US20030113186 Vacuum heat-treatment apparatus |
| 06/19/2003 | US20030111143 Flattened U-bolt and method |
| 06/18/2003 | EP1319724A1 Vacuum heat-treatment apparatus |
| 06/18/2003 | DE10145599C1 Bauteile aus Stahl und Verfahren zur Wärmebehandlung von Bauteilen aus Stahl Steel components and method of heat treatment of components made of steel |
| 06/18/2003 | DE10144509C1 Ölbeseitigungsvorrichtung zum Reinigen von in Form von Coils vorliegenden Rohren An oil removing apparatus for cleaning tubes present in the form of coils |
| 06/18/2003 | CN1425076A Method for controlling and/or regulating the cooling stretch of hot strip rolling mill for rolling metal strip, and corresponding device |
| 06/18/2003 | CN1424411A Manufature for reciprocating ball steering gear screw rod |
| 06/18/2003 | CN1111606C Apparatus and method for cooling hot rolled steel rod |
| 06/18/2003 | CN1111461C Manufacture of disk-type shear knife |
| 06/17/2003 | CA2288878C Method of manufacturing ejector pin sleeves |
| 06/12/2003 | WO2003048402A1 Ferritic stainless steel having high temperature creep resistance |
| 06/12/2003 | WO2003048401A1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 06/12/2003 | WO2003048397A1 Dampers for furnace coilers |
| 06/12/2003 | US20030109328 Macro-fiber process for manufacturing a face for a metal wood golf club |
| 06/12/2003 | US20030106877 Electric joining method and apparatus and a joined unit of members |
| 06/12/2003 | US20030106621 Cold rolled steel |
| 06/12/2003 | US20030106620 High strength hot-dip galvanized steel sheet and method for manufacturing the same |
| 06/12/2003 | DE10215118C1 Device for cooling heat-treated wires comprises a cooling nozzle having a nozzle body in the form of a central part containing a wire feeding channel, the nozzle and coolant feeding channels and removing channels |
| 06/11/2003 | EP1318205A1 Thin steel sheet and method for production thereof |
| 06/11/2003 | CN1423706A Method for the production of a part of a rolling bearing |
| 06/11/2003 | CN1422964A Optimized arrangement method of annealing production for bell-type furnace |
| 06/11/2003 | CN1111203C Fluid fuel burning nozzle of reheating furnace, specially for heating iron or steel ingot |
| 06/10/2003 | US6576877 Induction processing with the aid of a conductive shield |
| 06/05/2003 | WO2003046242A1 Surface treatment of austenitic ni-fe-cr based alloys |
| 06/05/2003 | WO2003046230A1 Press molding and its high frequency quenching method and its high frequency quenching system |
| 06/05/2003 | WO2003046229A1 Fastening element made of a carbon-containing steel and method for the production thereof |
| 06/05/2003 | WO2003046228A1 Method and device for the heat treatment of components |
| 06/05/2003 | WO2003045599A1 Control method for a production line for rolling hot-rolled metal strips disposed upstream of a cooling stretch |
| 06/05/2003 | WO2003007316A3 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 06/05/2003 | US20030104870 Case hardened journal cross for use in a universal joint and method of manufacturing same |
| 06/05/2003 | US20030104332 Apparatus and method of continuous sintering a web material |
| 06/05/2003 | US20030103702 Antifriction bearing and process for producing outer race for use in antifriction bearing |
| 06/05/2003 | DE20305856U1 Cooling system for a heat treatment chamber used for treating metallic workpieces comprises a return forming a flow connection between a vacuum pump and a heat treatment chamber |
| 06/04/2003 | EP1316622A2 Method and apparatus for heat treating material |
| 06/04/2003 | EP1316492A1 A hollow steering rack bar and its manufacturing method |