| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 01/17/2012 | US8097207 Steel having high mechanical strength and wear resistance |
| 01/17/2012 | US8097098 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 01/17/2012 | US8097097 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| 01/12/2012 | US20120006522 Iron-based brazing foil and method for brazing |
| 01/12/2012 | CA2804133A1 Improved ferro-alloys |
| 01/11/2012 | EP2405028A2 Method of heat treatment for steel, method of producing mechanical component, and mechanical component |
| 01/11/2012 | EP2405027A2 Stainless steel material having outstanding high-temperature strength, and a production method therefor |
| 01/05/2012 | WO2012002531A1 Method for producing alloy cast slab for rare earth sintered magnet |
| 01/05/2012 | WO2012002208A1 Precipitation-hardened stainless steel and process for production thereof |
| 01/05/2012 | WO2012000638A1 Chromium-nickel steel, martensitic wire and method for producing same |
| 01/05/2012 | US20120000580 Corrosion-Resistant Austenitic Steel |
| 01/05/2012 | US20120000579 Method of Making Ultra-High Strength Stainless Steels |
| 01/04/2012 | CN101736139B Organization control method of large-size pre-hardening type plastic die steel module |
| 12/29/2011 | WO2011162713A1 A metal-base alloy product and methods for producing the same |
| 12/29/2011 | US20110315279 High-strength galvanized steel sheet having excellent formability and method for manufacturing the same |
| 12/28/2011 | EP2400041A1 Steel material for welding and method for producing same |
| 12/28/2011 | EP1874973B1 Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 12/28/2011 | CN102301029A 铁素体耐热铸钢及排气系统部件 Ferritic heat-resistant steel and exhaust system components |
| 12/28/2011 | CN102296167A 铁路货车用9SiCr模具钢深冷处理工艺 Freight Train 9SiCr mold steel cryogenic treatment process |
| 12/28/2011 | CN101623922B 整体内外八字形或内八字形两种铁基合金内衬套制造工艺 Within the overall shape or within and outside the eight two eight-shaped iron-based alloy bushing manufacturing process |
| 12/21/2011 | EP2397567A2 Machine component and rolling bearing |
| 12/21/2011 | CN102286704A 耐磨抗腐蚀高锰钢及其制备方法 Corrosion resistant high manganese steel and its preparation method |
| 12/21/2011 | CN102286658A 一种提高1Cr18Ni9Ti奥氏体不锈钢尺寸稳定性的方法 1Cr18Ni9Ti was a way to improve the dimensional stability of the method |
| 12/21/2011 | CN101350399B 蓄电池用壳体材料 Battery casing material |
| 12/15/2011 | WO2011154515A1 A method for producing a tempered martensitic heat resistant steel for high temperature applications |
| 12/15/2011 | WO2011154153A1 Method of producing an austenitic steel |
| 12/15/2011 | CA2801637A1 A method for producing a tempered martensitic heat resistant steel for high temperature applications |
| 12/14/2011 | CN102282634A 复合磁性材料的制造方法和使用它的压粉磁芯及其制造方法 Its manufacturing method and use of the powder core and a manufacturing method of a composite magnetic material |
| 12/14/2011 | CN102282633A 软磁性合金薄带及其制造方法以及具有软磁性合金薄带的磁性部件 Soft magnetic alloy strip and its manufacturing method and magnetic components have soft magnetic alloy strip |
| 12/14/2011 | CN102282282A 表面硬化用机械结构用钢以及机械结构用部件 Hardened steel surface with a mechanical structure and mechanical structure parts |
| 12/14/2011 | CN101415846B 调节多相钢的目标特性组合的方法和设备 Target characteristic adjusting method and apparatus of the combined multiphase steels |
| 12/13/2011 | US8075836 Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment |
| 12/13/2011 | US8075714 Localized induction heating for residual stress optimization |
| 12/13/2011 | CA2556574C Steel plate or steel pipe with small occurrence of bauschinger effect and methods of production of same |
| 12/08/2011 | WO2011152206A1 Steel material for quenching and method of producing same |
| 12/08/2011 | US20110297279 Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance |
| 12/07/2011 | EP2392683A1 High-strength hot-dip galvanized steel sheet and manufacturing method therefor |
| 12/07/2011 | CN102266929A 一种复合离心浇铸高速钢轧辊的方法 A composite centrifugal casting method of high speed steel rolls |
| 12/07/2011 | CN101627140B 磁性合金、非晶形合金薄带及磁性部件 Magnetic alloys, amorphous alloy ribbon and magnetic components |
| 11/30/2011 | EP2250293B1 Lower-cost, ultra-high-strength, high-toughness steel |
| 11/30/2011 | CN102264921A 钢的淬火方法 The method of quenching steel |
| 11/29/2011 | US8066830 Method for producing a shaft for compressors |
| 11/29/2011 | US8066828 Method for efficient heat treatment of steel |
| 11/24/2011 | WO2011145674A1 Method for producing rare earth permanent magnets, and rare earth permanent magnets |
| 11/24/2011 | WO2011145612A1 Age-hardenable steel and process for producing machine part |
| 11/24/2011 | US20110284139 High-carbon steel wire rod of high ductility |
| 11/24/2011 | US20110284136 Galvannealed steel sheet and producing method therefor |
| 11/23/2011 | EP2388351A1 Steel for surface hardening for machine structural use, and component for machine structural use |
| 11/23/2011 | CN101748344B Railway track welded steel and manufacturing technology thereof |
| 11/17/2011 | WO2011142423A1 Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor |
| 11/16/2011 | CN101899551B Heat treatment technology of wear-resistant alloy cast steel |
| 11/16/2011 | CN101800108B Preparing method of high-plasticity corrosion-resistance semihard magnetic alloy thin strip |
| 11/16/2011 | CN101600814B Processing method for cracking desensitisation using a nickel based alloy environment, and part made of the alloy thus processed |
| 11/10/2011 | US20110272065 Soft magnetic alloy ribbon and its production method, and magnetic device having soft magnetic alloy ribbon |
| 11/09/2011 | EP2385147A2 An electrical steel, a motor, and a method for manufacture of electrical steel with high strenght and low electrical losses |
| 11/09/2011 | EP1413634B1 Method of producing high cr-based seamless steel tube |
| 11/09/2011 | CN102239273A Carbonitrided member and process for producing carbonitrided member |
| 11/09/2011 | CN102234741A Low-Ni-containing austenitic antimicrobial stainless steel and manufacturing method thereof |
| 11/03/2011 | WO2011135897A1 Free-cutting stainless-steel material for precision processing and process for producing same |
| 11/02/2011 | CN102230054A Novel process for producing super high manganese steel casting |
| 11/01/2011 | US8048239 Ferritic stainless steel sheet superior in shapeability and method of production of the same |
| 11/01/2011 | US8048237 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same |
| 10/26/2011 | EP2381004A1 Hot-dip galvanized steel sheet and manufacturing method thereof |
| 10/26/2011 | CN102226254A High-strength high-toughness anticorrosion high-temperature bearing/pinion steel and preparation method thereof |
| 10/25/2011 | US8043446 High strength and corrosion resistant alloys comprising carbon, silicon, chromium, nickel, nitrogen, molybdenum, tungsten and iron, formed by heating and cooling |
| 10/20/2011 | US20110253262 Corrosion-resistant austenitic steel alloy |
| 10/19/2011 | EP2377962A1 Precipitation hardenable martensitic stainless steel and steam turbine blade using the same |
| 10/19/2011 | CN102220464A Deep cooling tank equipped with gas distributor |
| 10/13/2011 | WO2011124851A2 Mechanical part made of steel having high properties and process for manufacturing same |
| 10/13/2011 | WO2011091983A3 Process for the heat treatment of metal strip material, and strip material produced in that way |
| 10/13/2011 | US20110247734 Surface Decarburization-Restrained Steel and Manufacturing Method Thereof |
| 10/13/2011 | US20110247731 Method for producing strain induced austenite |
| 10/12/2011 | CN102216474A Manganese steel strip having an increased phosphorus content and process for producing the same |
| 10/06/2011 | WO2011122638A1 Sintered magnet, motor, automobile, and method for producing sintered magnet |
| 10/06/2011 | WO2011122589A1 Initial ultrafine crystal alloy, nanocrystal soft magnetic alloy and method for producing same, and magnetic component formed from nanocrystal soft magnetic alloy |
| 10/05/2011 | CN101748338B High-strength cast steel for coupler of railway vehicle and manufacturing method thereof |
| 09/29/2011 | WO2011118597A1 High-strength steel plate with excellent warm workability |
| 09/29/2011 | US20110236719 Method for Manufacturing a Coated Part Using Hot Forming Techniques |
| 09/29/2011 | US20110232809 High corrosion resistance precipitation hardened martensitic stainless steel |
| 09/27/2011 | US8025749 Ultrafine-grain-copper-base sputter targets |
| 09/22/2011 | WO2011115255A1 Spring steel and surface treatment method for steel material |
| 09/22/2011 | WO2011114227A2 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same |
| 09/22/2011 | WO2011114178A1 Process for the production of grain oriented electrical steel |
| 09/22/2011 | WO2011113404A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness |
| 09/22/2011 | US20110226386 Hardened Martensitic Steel Having a Low Cobalt Content, Process for Manufacturing a Part from Steel, and Part thus Obtained |
| 09/21/2011 | EP2366035A1 Manganese steel strip having an increased phosphorus content and process for producing the same |
| 09/21/2011 | EP2366034A1 Process for producing a component having improved elongation and break properties |
| 09/14/2011 | EP1836327B1 High-strength four-phase steel alloys |
| 09/14/2011 | CN201971866U 对切割太阳能电池硅片的钢线进行深冷处理的装置 Steel wire cutting solar cell wafers were means of cryogenic treatment |
| 09/14/2011 | CN102181806A Thick chromium-molybdenum steel plate for hydrogenation equipment and production method thereof |
| 09/14/2011 | CN101688275B Steel for mechanical structure excelling in machinability and process for producing the same |
| 09/07/2011 | CN102177271A Evaporation material and method for producing evaporation material |
| 09/07/2011 | CN102174936A Slide block for rotary type compressor and manufacturing method thereof |
| 09/07/2011 | CN101111622B Austenitic steel having high strenght and formability method of producing said steel and use thereof |
| 08/30/2011 | US8007602 Spring element made from a ferritic chromium steel |
| 08/25/2011 | WO2011102499A1 Duplex stainless steel material for vacuum vessels, and process for manufacturing same |
| 08/25/2011 | WO2011102402A1 Steel for molds with excellent hole processability and reduced processing deformation, and method for producing same |
| 08/25/2011 | US20110203705 Method of producing an amorphous transformer for electric power supply |
| 08/24/2011 | EP2359951A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 08/24/2011 | CN102165086A High strength, high toughness steel alloy |