| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/22/2004 | US20040140024 Method for enhancing the metallurgical quality of products treated in a furnace |
| 07/22/2004 | US20040140023 Ferritic stainless steel strip excellent in freeze of shape formed by working |
| 07/22/2004 | DE10315418B3 Thermomechanical treatment of round steel bars heated above the recrystallization temperature useful in the thermomechanical and heat treatment of steel |
| 07/22/2004 | DE10128200B4 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 07/21/2004 | EP1069193B1 Method for controlling the atmosphere and the tension in a furnace for continuously heat treating metal band |
| 07/21/2004 | CN1514027A Energy control device of medium and high frepuency induction quenching |
| 07/21/2004 | CN1158398C Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
| 07/20/2004 | US6764560 Method of forming cast alloys having high strength and plasticity |
| 07/20/2004 | US6764557 Hardening by subjecting to heat treatment at above 900 degrees celsius in reducing atmosphere |
| 07/15/2004 | WO2004059022A1 Fe-Cr-Si NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR PRODUCING THE SAME |
| 07/15/2004 | WO2004059017A2 Device and method for treating an internal wall of a recess that has been machined in a workpiece |
| 07/15/2004 | WO2004058482A2 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 07/15/2004 | WO2003096382A3 Methods and apparatus for plasma processing control |
| 07/15/2004 | US20040134575 Method of processing nonferrous metal alloy and processing apparatus thereof |
| 07/15/2004 | US20040134348 Hydrogen reclamation apparatus and method |
| 07/15/2004 | DE10358351A1 Valve tappet for combustion engine and production process, has micro pits formed by radiation in the smooth gas carbon nitride steel upper surface of the tappet |
| 07/15/2004 | DE10259231A1 Verfahren und Vorrichtung zum Abkühlen von metallischen Gussteilen Method and apparatus for cooling of metallic cast parts |
| 07/15/2004 | DE10238972B4 Verfahren und Vorrichtung zur Durchlaufvergütung von Bandstahl sowie entsprechend hergestellter Bandstahl Method and apparatus for continuous quenching and tempering of steel strip and correspondingly produced steel strip |
| 07/15/2004 | DE10227498B4 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 |
| 07/14/2004 | EP1437423A1 Method for producing nitriding steel |
| 07/14/2004 | EP1437190A2 Use of a chrome steel alloy |
| 07/14/2004 | EP1436432A1 Method of continuously casting electrical steel strip with controlled spray cooling |
| 07/14/2004 | CN1513061A Method for producing stainless steel having improved corrosion resistance |
| 07/14/2004 | CN1157491C High carbon steel sheet and method for production thereof |
| 07/13/2004 | US6761851 Apparatus and method for hardening metal by varying the engagement between irradiation and metal |
| 07/13/2004 | US6761779 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 |
| 07/13/2004 | US6760966 Disk drives; narrow track width; prevent flux leakage; multilayer; iron, nickel alloy magnetic layer |
| 07/08/2004 | WO2003096381A3 Plasma-assisted processing in a manufacturing line |
| 07/08/2004 | WO2003096380A3 Plasma-assisted nitrogen surface-treatment |
| 07/08/2004 | US20040132598 Roller member and method of producing the same |
| 07/08/2004 | US20040129355 Method of manufacturing a product from steel and product manufactured according to said method |
| 07/08/2004 | US20040129354 Steel wire excellent in descalability in mechanical descaling and method for production thereof |
| 07/08/2004 | US20040129348 High strength steel weld having improved resistance to cold cracking and a welding method |
| 07/08/2004 | DE10261710A1 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 |
| 07/08/2004 | DE10257967A1 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 |
| 07/08/2004 | DE10212819B4 Verfahren zur Herstellung eines metallischen Bauteils A process for producing a metallic component |
| 07/07/2004 | EP1435399A1 High strength steel weld having improved resistance to cold cracking and a welding method |
| 07/07/2004 | EP1434891A1 Heat treatment method |
| 07/07/2004 | EP1434889A1 High-hardness, highly ductile ferrous articles |
| 07/07/2004 | CN2623696Y Normalizing cooling device for engine crankshaft |
| 07/07/2004 | CN1510089A Coating for preventing high-carbon billet from decarbonization |
| 07/07/2004 | CN1156876C Expanded form mask for color Braun tube and its material |
| 07/06/2004 | US6758921 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 |
| 07/06/2004 | CA2117069C Process and apparatus for surface hardening of refractory metal workpieces |
| 07/01/2004 | WO2004055226A1 Steel wire for spring |
| 07/01/2004 | WO2004055221A2 Method and device for cooling cast metallic parts |
| 07/01/2004 | US20040123924 Hardness, toughness, workability |
| 07/01/2004 | US20040123923 Aircraft engine; diffusion coating |
| 07/01/2004 | DE10260856A1 Verfahren zur Steigerung einer Dauerfestigkeit eines mit wenigstens einem Hohlraum ausgebildeten metallischen Bauteiles unter zyklischer Innendruckbelastung A method for increasing fatigue strength of a trained with at least one cavity metallic component under cyclic internal pressure |
| 06/30/2004 | EP1432841A2 Method for heat-treating work pieces made of temperature-resistant steels |
| 06/30/2004 | EP1432835A2 Method and system for thermal treatment of rails |
| 06/30/2004 | EP0912769A4 Induction hardened microalloy steel having enhanced fatigue strength properties |
| 06/30/2004 | CN1155725C Laser technology for treating surface of cold hard roller, nodular iron casting or gray casting |
| 06/29/2004 | US6756566 Hot zone enclosure with plurality of injection nozzles with flaps; pivotally supported |
| 06/24/2004 | US20040122472 Method of selectively annealing a needle |
| 06/24/2004 | US20040120050 Beam irradiator and laser anneal device |
| 06/24/2004 | US20040118816 Plasma catalyst |
| 06/23/2004 | EP1358359B1 Steel and method for producing an intermediate product |
| 06/23/2004 | EP1025272A4 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 06/23/2004 | EP1017862A4 Method for producing ultra-high strength, weldable steels with superior toughness |
| 06/23/2004 | CN1507500A Ferritic stainless steel strip excellent in freeze of shape formed by working |
| 06/23/2004 | CN1154835C Method and apparatus for destruction of suspencted terrorist weapons by detonation in a contained environment |
| 06/22/2004 | US6752880 High strength |
| 06/18/2004 | CA2414822A1 Hydrogen-induced cracking and sulphide stress cracking resistant steel alloy |
| 06/17/2004 | WO2004050922A1 Method and furnace for heat treatment |
| 06/17/2004 | WO2004022792A3 Austempered cast iron article and a method of making the same |
| 06/17/2004 | US20040113461 Press molding and its high frequency quenching method and its high frequency quenching system |
| 06/17/2004 | US20040113334 Device for tempering rolled stock of great length |
| 06/17/2004 | US20040112484 Tensile strength; uniform elongation; heat treatment; low temperature annealing |
| 06/17/2004 | US20040112479 High strength, noncracking |
| 06/17/2004 | US20040112468 Continuous crystallization; hysteresis loops; iron alloy |
| 06/17/2004 | DE10312900B3 Measurement of internal stress induced in steel by hardening |
| 06/17/2004 | DE10256394A1 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 |
| 06/17/2004 | DE10255590A1 Verfahren zum kleberfreien Glühen von Metallteilen A method for adhesive-free annealing of metal parts |
| 06/17/2004 | DE10255264A1 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 |
| 06/16/2004 | EP1428895A1 Steel strap composition |
| 06/16/2004 | EP1428589A1 Method and device for cooling steel sheet |
| 06/16/2004 | EP1428588A1 Device and method for heat treatment of flat metal |
| 06/16/2004 | CN1505822A Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 06/16/2004 | CN1505690A Steel article |
| 06/16/2004 | CN1505687A Method for enhancing the metallurgical quality of products treated in a furnace |
| 06/16/2004 | CN1505441A Open-closed reflection type heating apparatus using annular heater |
| 06/16/2004 | CN1504584A Laser strengthening and toughening method for interface between ground-mass and coating |
| 06/16/2004 | CN1154124C Anisotropic magnetic powder and its production method |
| 06/15/2004 | US6750459 Apparatus for hardening metal article including holding device, energy beam generator pointed at and directing energy beam to holder, auxiliary heating device engaging holding device to heat metal article independently from energy beam |
| 06/15/2004 | US6749800 Arrangement and method for transporting metallic work pieces, and system for heat treatment of said work pieces |
| 06/10/2004 | WO2004048634A1 Method for the production of dual phase sheet steel |
| 06/10/2004 | WO2004048631A1 Weldable steel building component and method for making same |
| 06/10/2004 | WO2004048630A1 Weldable steel building component and method for making same |
| 06/10/2004 | WO2004048629A1 Use of a steel alloy as a material for producing pipes for motor vehicles |
| 06/10/2004 | WO2004048628A1 Use of a steel alloy as a material for producing thick-walled tubular parts for motor vehicles |
| 06/10/2004 | WO2004048620A1 Method for making an abrasion resistant steel plate and plate obtained |
| 06/10/2004 | WO2004048619A1 Method for making an abrasion resistant steel plate and plate obtained |
| 06/10/2004 | WO2004048618A1 Method for making an abrasion resistant steel plate and steel plate obtained |
| 06/10/2004 | US20040108630 Electromagnetic method and apparatus for treatment of engineering materials, porducts, and related processes |
| 06/10/2004 | US20040108306 Laser heat treatment of crankshaft fillets |
| 06/10/2004 | US20040108092 Method and system for processing castings |
| 06/10/2004 | US20040108027 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 |
| 06/10/2004 | US20040108026 Cold rolled, high tensile strength ; use in strapping machines for providing a tensioned loop about packaged articles |
| 06/10/2004 | US20040108025 Ring supports are annealed in a vacuum or in a reducing hydrogen atmosphere, at temperatures between 900 degrees C. and 1130 degrees C |