| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/15/2001 | DE19937764A1 Verfahren und Vorrichtung zum Wärmebehandeln von Blechen Method and apparatus for heat treating metal sheets |
| 02/15/2001 | DE19936010A1 Process for suppressing the formation of scale comprises separating off the rolled material in the region of the scale scrubber and/or behind the scrubber to prevent and/or reduce a renewed reaction with atmospheric oxygen |
| 02/14/2001 | EP1076103A2 Process and device for the heat treatment of plates |
| 02/14/2001 | CN1061914C Riser-free multipurpose equipment for costing and porging grinding ball, crankshaft, lining board and gear, etc. |
| 02/13/2001 | US6187118 Method for heat-treating steel work pieces |
| 02/13/2001 | US6187111 Performed by introducing an ethylene gas as a carburizing gas at a vacuum of 1-10 kpa in a carburizing furnace chamber |
| 02/13/2001 | US6185978 Method for manufacturing of curved and quenched profiled elements and a die tool for carrying out the method |
| 02/13/2001 | CA2236930C Stainless steel surface claddings of continuous caster rolls |
| 02/13/2001 | CA2192834C Apparatus for producing strip of stainless steel |
| 02/08/2001 | WO2001010042A1 Method and device for cooling a metal strip |
| 02/08/2001 | WO2001009397A2 Cooling system in continuously heat treatment of metal strips |
| 02/08/2001 | WO2001009395A1 Method for hardening at least one surface of a component wall and a device for carrying out said method |
| 02/08/2001 | DE19935780A1 Verfahren und Einrichtung zum Kühlen eines Metallbandes Method and apparatus for cooling a metal strip |
| 02/08/2001 | DE10016748A1 Verfahren und Vorrichtung zum kontinuierlichen Einsetzen unter Vakuum Method and apparatus for continuously inserting in vacuo |
| 02/07/2001 | CN2418132Y Novel high-frequency inductive heating apparatus |
| 02/07/2001 | CN1282798A Tool steel with good weldability, machinability and thermal treatment property, and metallic mould made of same |
| 02/06/2001 | US6183246 Method of heating a continuously charged furnace particularly for steel-making products, and continuously charged heating furnace |
| 02/01/2001 | WO2001007668A1 Method and device for hardening bearing surfaces of crankshafts |
| 02/01/2001 | WO2001007667A1 Method of improving the toughness of low-carbon, high-strength steels |
| 02/01/2001 | DE19961452C1 Process for surface treatment of metallic workpieces comprises using inductive heat treatment in which the loading force is kept constant during the change in length of the workpiece determined by the heat treatment |
| 01/31/2001 | EP1072691A2 Tool steel with excellent workability, machinability and heat treatment characteristics, and die using same |
| 01/31/2001 | EP1072689A1 Process of manufacturing thin "TRIP" type steel strips and strips obtained thereby |
| 01/31/2001 | EP1072169A2 Induction hardening apparatus for a crankshaft |
| 01/31/2001 | CN2417179Y Water vapour eliminating apparatus for continuous type net belt furnace aqueous quenching |
| 01/31/2001 | CN2417178Y Telescopic unloading channel for continuous type net belt furnace |
| 01/31/2001 | CN1282381A Ultra-high strength steels with excellent cryogenic temp. toughness |
| 01/31/2001 | CN1282380A Ultra-high strength Ausaged steels with excellent cryogenic temp. toughness |
| 01/31/2001 | CN1281902A Carbon-potential control method for heat treatment process |
| 01/30/2001 | US6179936 Method for heat-treating a hollow cylindrical workpiece |
| 01/30/2001 | US6178852 Rotary die laser machining and hardening apparatus and method |
| 01/30/2001 | US6178798 Selectively heat treated side intrusion beams and method for making the same |
| 01/30/2001 | CA2182389C High density sintered alloy |
| 01/25/2001 | WO2001006022A1 Method for making a continuous steel strip |
| 01/25/2001 | WO2001005549A2 Contour forming of metals by laser peening |
| 01/24/2001 | EP1070760A2 High bearing pressure-resistant member and production process therefor |
| 01/24/2001 | EP1070558A2 Method of manufacturing titanium fiber or titanium alloy fiber |
| 01/24/2001 | EP1015817A4 Method and apparatus for containing and suppressing explosive detonations |
| 01/24/2001 | CN1281393A Process and device for producing high-strength steel strip |
| 01/23/2001 | US6177044 Bell-shaped furnace |
| 01/23/2001 | US6176948 Method for the manufacture of components made of steel |
| 01/23/2001 | US6176946 Martensite matrix with a gradient carbide phase of chromium, molybdenum and vanadium; primary carbide inhibition, compressive strength, gears |
| 01/23/2001 | CA2195287C Railway wheel and manufacturing method of the railway wheel |
| 01/23/2001 | CA2050566C Cold reduced non-aging deep drawing steel and method for producing |
| 01/18/2001 | WO2001004365A1 Low-carbon steels of superior mechanical and corrosion properties |
| 01/18/2001 | DE19938711C1 Carrier plate for clutch or brake pad has laser beam used for providing angled recesses in surface of carrier plate for providing adhesion key for applied mass |
| 01/17/2001 | EP1069200A1 Iron-based magnetic shape memory alloy and method of preparing the same |
| 01/17/2001 | EP1069199A1 Wire for high-fatigue-strength steel wire, steel wire and production method therefor |
| 01/17/2001 | EP1069193A1 Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
| 01/17/2001 | EP1068923A2 Process for obtaining an intensity repartition on a working laser beam as an apparatus therefor |
| 01/17/2001 | EP1068368A1 Stainless steel |
| 01/17/2001 | EP1068367A1 Cold work steel |
| 01/17/2001 | EP1068366A1 Steel material and method for its manufacturing |
| 01/17/2001 | CN2415038Y Large quenching tank (bath) stirrer |
| 01/17/2001 | CN1280755A Induction hardening apparatus for a crankshaft |
| 01/16/2001 | US6174610 Steel having excellent corrosion resistance and method of making the same |
| 01/16/2001 | US6174389 Fixture and method for selectively quenching a predetermined area of a workpiece |
| 01/16/2001 | US6174388 Rapid infrared heating of a surface |
| 01/16/2001 | US6174384 Medium-carbon steel having dispersed fine graphite structure and method for the manufacture thereof |
| 01/16/2001 | US6174258 Toroidal-type continuously variable transmission |
| 01/16/2001 | US6173662 Method and apparatus for containing and suppressing explosive detonations |
| 01/11/2001 | WO2001002615A1 Cold workable steel bar or wire and process |
| 01/11/2001 | WO2000063568A3 Method and device for completing outer joint elements that are formed without cutting |
| 01/10/2001 | EP1067204A1 Process and device to prevent strip fluttering in the gas blowing zones, in particular in the cooling zones |
| 01/10/2001 | EP0910676B1 Process for producing a grain-orientated electrical steel sheet |
| 01/10/2001 | EP0673443B2 Method of annealing steel strip in an annealing furnace without the formation of soot |
| 01/10/2001 | CN2414078Y Moveable platform type laser working machine |
| 01/10/2001 | CN1279296A Method and device for eliminating vibration of band materials in cooling area, especially nozzle area |
| 01/09/2001 | US6170284 Apparatus for the controlled cooling of hot-rolled sections, particularly beams, directly from the rolling heat |
| 01/04/2001 | WO2001000350A1 Metal gasket and method of manufacture |
| 01/03/2001 | EP1065287A1 Heat treatment installation with at least a muffle furnace |
| 01/03/2001 | EP1064660A1 Amorphous alloy with increased operating induction |
| 01/03/2001 | CN1278748A Slit nozzle for spraying a continuous casting product with a cooling liquid |
| 01/02/2001 | US6168834 Applying mixture of water, laponite and surfactant to surface at a point between area to be heated and region to be protected; applying heat whereby heat applied is sufficiently dissipated before being transferred in a damaging quantity |
| 01/02/2001 | US6168774 Compact deoxo system |
| 12/28/2000 | WO2000079016A1 Rolling structure steel |
| 12/28/2000 | WO2000079015A1 Powder metallurgy manufactured high speed steel |
| 12/27/2000 | EP1063473A1 Combustion apparatus and melting furnace for nonferrous metals |
| 12/27/2000 | EP1063313A1 Steel wire and method of manufacturing the same |
| 12/27/2000 | EP1062030A1 Method and apparatus for controlling heat transfer from solid particles in a fluidized bed |
| 12/27/2000 | CN2412017Y Slide electrical contact surface quenching equipment for cylinder jacket |
| 12/27/2000 | CN1059848C Diagnosis device for cooling equipment of hot rolling arrangement |
| 12/26/2000 | US6166360 Heat treating of metallurgic article with varying aspect ratios |
| 12/26/2000 | US6165597 Selective case hardening processes at low temperature |
| 12/26/2000 | US6165275 Atmospheric gas generator for heat treatment |
| 12/21/2000 | DE19940845C1 Fine wire production process, especially for producing steel wires for textile fiber carding, uses the same furnace and-or cooling system for pre-annealing and drawn wire hardening treatment |
| 12/21/2000 | DE19927093A1 Process for thermal boundary layer treatment comprises deviating an energy beam, preferably an electron beam, onto the surface of a component and mathematically determining a function for the energy transmission parameters |
| 12/21/2000 | DE19927092A1 Process for thermally hardening layer edges of profiled surfaces uses an electron beam to mathematically determine a function for the energy transfer parameters according to the geometry of the surface |
| 12/20/2000 | EP1060805A2 Adjusting method for two shielding elements arranged above a metal strip and corresponding adjusting device |
| 12/20/2000 | EP1060277A1 Method for hardening and tempering steel strips |
| 12/20/2000 | EP1060276A1 Device for hardening cylindrical bearing points of a shaft |
| 12/20/2000 | EP0770692B1 Sealing device for zone outlet/inlet of continuous heat treatment furnace, continuous vacuum evaporation equipment and the like |
| 12/20/2000 | CN1277088A Dry laser cylinder jacket for internal combustion engine and its usage and forming cutter ` |
| 12/19/2000 | US6163562 Induction oven for melting metals |
| 12/19/2000 | US6162275 Forming, cutting tools |
| 12/19/2000 | CA2199099C Apparatus and method for forming heat treating atmospheres |
| 12/14/2000 | WO2000075387A1 Non-austempered spheroidal graphite cast iron |
| 12/14/2000 | DE19941993C1 Tubular profile manufacturing method for passenger vehicle rear axle uses cold-forming of central part of round cross-section steel tube before localised heating and hardening in water |
| 12/14/2000 | DE10018890A1 Method and appliance for finishing non-cutting shaping of homocinetic joints involve inner cavity of outer part, with t racks, calibrating pin between jaws |
| 12/13/2000 | EP0927505B1 Device for rotating and simultaneous hardening by electric induction |
| 12/13/2000 | CN2410303Y Multichamber continuous annealing furnace |