| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 04/24/2013 | CN103060665A Method for casting valve rod for manufacturing plug valve |
| 04/24/2013 | CN103060533A Laboratory annealing process suitable for detecting non-uniformity of bearing steel carbide |
| 04/24/2013 | CN103060530A Heat treatment technology of steel castings |
| 04/24/2013 | CN102174936B Slide block for rotary type compressor and manufacturing method thereof |
| 04/24/2013 | CN101876030B Low alloy steel used for making track board of crawling crane and preparation method thereof |
| 04/18/2013 | US20130095313 Method for inhibiting corrosion under insulation on the exterior of a structure |
| 04/17/2013 | EP2580359A1 Method of producing an austenitic steel |
| 04/17/2013 | EP2580357A1 A method for producing a tempered martensitic heat resistant steel for high temperature applications |
| 04/17/2013 | CN103045951A High-nitrogen nickel-free austenite antibacterial stainless steel (HNSAg) and manufacturing method thereof |
| 04/17/2013 | CN103045950A Low-alloy, high-strength and high-toughness composite phase steel and heat treatment method thereof |
| 04/17/2013 | CN103045831A Method for improving cold-work die steel hardness |
| 04/17/2013 | CN103045828A Method for realizing tensile elastic strain of film with surface relief of shape memory alloy |
| 04/17/2013 | CN103045827A Cold treatment equipment for work pieces |
| 04/17/2013 | CN101125472B Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same |
| 04/16/2013 | US8420185 Method for forming metal film with twins |
| 04/11/2013 | WO2013051729A1 Fe-based initial-ultra-fine-crystal-alloy ribbon and magnetic component |
| 04/11/2013 | WO2013051380A1 Thin strip of alloy containing initial ultrafine crystals and method for cutting same, and thin strip of nanocrystalline soft-magnetic alloy and magnetic part employing same |
| 04/10/2013 | CN202865261U Thermal treatment device for thickened alloy steel |
| 04/10/2013 | CN103031487A Composition design and processing methods of high strength, high ductility, and high corrosion resistance femnalc alloys |
| 04/10/2013 | CN103031418A Continuous cryogenic treating and tempering equipment |
| 04/09/2013 | CA2488965C Corrosion-resistant austenitic steel alloy |
| 04/04/2013 | WO2013048587A2 Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys |
| 04/04/2013 | WO2013045661A1 Process for producing, from a preform made of austenitic stainless steel with a low carbon content, a wear-resistant and corrosion-resistant cladding for a nuclear reactor, corresponding cladding and corresponding control cluster |
| 04/04/2013 | WO2013045655A1 Process for producing a wear-resistant and corrosion-resistant stainless steel part for a nuclear reactor, corresponding part and corresponding control cluster |
| 04/04/2013 | US20130081740 Composition design and processing methods of high strength, high ductility, and high corrosion resistance FeMnAlC alloys |
| 04/04/2013 | CA2837596A1 Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys |
| 04/03/2013 | CN103014727A Fabrication method and device for funnel board of port bucket wheel machine |
| 04/03/2013 | CN103014253A Thermal treatment method of 60Si2Mn steel subjected to friction welding |
| 04/03/2013 | CN103008665A Preparation technology for plug valve clack |
| 04/03/2013 | CN103008663A Powder metallurgy preparing method for valve rod of diaphragm valve |
| 04/03/2013 | CN102102163B Martensitic stainless steel and manufacturing method thereof |
| 03/28/2013 | DE112007003040B4 Verfahren zur Herstellung einer Glas-Giessform A method for producing a glass mold |
| 03/27/2013 | CN202830097U Bearing low-temperature handling device |
| 03/27/2013 | CN103003899A Treatment device |
| 03/27/2013 | CN102994902A Hot-working tool steel having excellent toughness and high-temperature strength and method for production thereof |
| 03/27/2013 | CN102994894A Method for producing alloy steel material for drill bit |
| 03/27/2013 | CN102994892A Preparation method of swing check valve plate |
| 03/27/2013 | CN102994891A Method for preparing valve rod of plug valve |
| 03/27/2013 | CN102994889A Preparation method for diaphragm valve body through cast molding |
| 03/27/2013 | CN102994886A Method for casting valve plate of stop valve |
| 03/27/2013 | CN102994868A Preparation method for cast-molding diaphragm valve flap |
| 03/27/2013 | CN102994867A Preparation method for check valve spool through cast molding |
| 03/27/2013 | CN102994718A Method for preparing gate valve disc through casting molding |
| 03/27/2013 | CN102994715A Method for controlling deformation of 0Cr17Ni4Cu4Nb material cast blade |
| 03/27/2013 | CN102990066A Powder metallurgy forming and preparation method of valve rod of diaphragm valve |
| 03/27/2013 | CN102131947B Hardened martensitic steel having low cobalt content, process for manufacturing part from this steel, and parts thus obtained |
| 03/27/2013 | CN101264681B Hot-dip galvannealed steel sheet, steel sheet treated by hot-dip galvannealed layer diffusion and a method of producing the same |
| 03/26/2013 | US8404358 Galvannealed steel sheet and producing method therefor |
| 03/21/2013 | WO2013038008A1 Method for producing a non-grain-oriented higher-strength electrical strip and use thereof |
| 03/21/2013 | US20130068449 Laser cladding fe-cr alloy on downhole tools |
| 03/20/2013 | EP2570504A1 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 |
| 03/20/2013 | CN102985569A Mechanical part made of steel having high properties and process for manufacturing same |
| 03/20/2013 | CN102978535A Novel martensite antibacterial stainless steel as well as heat treatment method and application thereof |
| 03/20/2013 | CN102978361A Thermal treatment process of Invar alloy |
| 03/20/2013 | CN102978352A Heat treatment method for improving impact toughness of 1Cr12Mo heat resistant steel |
| 03/20/2013 | CN102226254B High-strength high-toughness anticorrosion high-temperature bearing/pinion steel and preparation method thereof |
| 03/14/2013 | WO2013035588A1 Two-phase stainless steel |
| 03/14/2013 | WO2013034815A1 Rolled steel that hardens by means of precipitation after hot-forming and/or quenching with a tool having very high strength and ductility, and method for manufacturing same |
| 03/14/2013 | CA2847809A1 Rolled steel that hardens by means of precipitation after hot-forming and/or quenching with a tool having very high strength and ductility, and method for manufacturing same |
| 03/14/2013 | CA2847111A1 Duplex stainless steel |
| 03/13/2013 | CN102965595A Soft magnetic corrosion-resistant free-cutting alloy material and preparation method thereof |
| 03/13/2013 | CN102965593A Thermal processing method utilizing low alloy steel to manufacture ultralow temperature steel |
| 03/13/2013 | CN102965563A Casting method of valve body of ball check valve |
| 03/13/2013 | CN102965478A Heat treatment method for iron-based amorphous strip |
| 03/13/2013 | CN102965477A Copper-containing austenite antibacterial stainless steel product and preparation method thereof |
| 03/12/2013 | US8394319 Martensitic-steel casting material and process for producing martensitic cast steel product |
| 03/07/2013 | US20130058773 Method of manufacturing material for rotary machine component, method of manufacturing rotary machine component, material for rotary machine component, rotary machine component, and centrifugal compressor |
| 03/06/2013 | EP2565286A1 Free-cutting stainless-steel material for precision processing and process for producing same |
| 03/06/2013 | CN102959111A Free-cutting stainless-steel cast product and process for producing same |
| 03/06/2013 | CN102953013A Preparation technology of die steel for hot-forging die and die-casting die |
| 03/06/2013 | CN102953011A Processing method of plastic die steel |
| 03/06/2013 | CN102286704B Wear-resistant corrosion-resistant high-manganese steel and preparation method thereof |
| 02/28/2013 | WO2013027665A1 Semi-hard magnetic material and theft-prevention magnetic sensor using same and method of manufacturing semi-hard magnetic material |
| 02/28/2013 | US20130048158 Spring steel and method for manufacturing the same |
| 02/28/2013 | DE10244972B4 Wärmefester Stahl und Verfahren zur Herstellung desselben Of the same heat-resistant steel and methods for making |
| 02/27/2013 | CN102941346A Preparation method of powder metallurgy forming of multi-way valve body |
| 02/26/2013 | US8382919 Process of forming nanocrystal layer |
| 02/21/2013 | US20130042948 Decorative Steel Composition Having a Textured Cyrstalline Surface |
| 02/21/2013 | DE10124393B4 Hitzebeständiger Stahl, Verfahren zur thermischen Behandlung von hitzebeständigem Stahl, und Kompenten aus hitzebeständigem Stahl A heat-resistant steel, process for the thermal treatment of heat-resistant steel, heat-resistant steel and Kompenten from |
| 02/20/2013 | CN102939394A Method of producing an austenitic steel |
| 02/20/2013 | CN102936704A Cold extrusion die mold steel processing method |
| 02/20/2013 | CN102936703A Cold heading die mold steel processing method |
| 02/20/2013 | CN102936699A Mold steel used in cold punching die |
| 02/20/2013 | CN102936693A Drawing die mold steel processing method |
| 02/20/2013 | CN101688273B Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof |
| 02/19/2013 | CA2316332C Austenitic stainless steel including columbium |
| 02/14/2013 | US20130037179 Metal alloys for high impact applications |
| 02/13/2013 | EP2557190A1 Initial ultrafine crystal alloy, nanocrystal soft magnetic alloy and method for producing same, and magnetic component formed from nanocrystal soft magnetic alloy |
| 02/13/2013 | EP2556175A2 Mechanical part made of steel having high properties and process for manufacturing same |
| 02/13/2013 | CN102925644A Vacuum heat treatment and subzero treatment integrated machine |
| 02/13/2013 | CN102922228A Valve manufacturing process for improving impact toughness of F92 butt welding heat affected area |
| 02/07/2013 | US20130032256 Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability |
| 02/06/2013 | EP2555208A1 Sintered magnet, motor, automobile, and method for producing sintered magnet |
| 02/06/2013 | EP2553133A2 Steel, flat steel product, steel component and method for producing a steel component |
| 02/06/2013 | CN102918611A Method for producing rare earth permanent magnets, and rare earth permanent magnets |
| 02/06/2013 | CN102912099A Heat treatment method for hard alloy blade |
| 02/05/2013 | CA2680623C Steel for tool-less hot forming or quenching with improved ductility |
| 01/30/2013 | EP2551367A1 Prehardened steel for mold for plastic molding |
| 01/30/2013 | EP2551365A1 High-strength steel plate with excellent warm workability |
| 01/30/2013 | CN102906290A Free-cutting stainless-steel material for precision processing and process for producing same |