| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 08/24/2011 | CN101705426B Drill collar steel and dehydrogenated heat treatment process thereof for improving ultrasonic flaw detection qualification rate |
| 08/23/2011 | CA2420403C Annealed amorphous alloys for magneto-acoustic markers |
| 08/17/2011 | CN102154540A Subzero treatment technology for hard alloy saw blade tool bit |
| 08/11/2011 | WO2011096267A1 Amorphous core annealing method |
| 08/11/2011 | US20110192507 Iron alloy, iron-alloy member, and process for manufacturing the same |
| 08/10/2011 | EP2354264A1 Wear-resistant, heat-resistant material and use of same |
| 08/10/2011 | CN101248194B High-strength steel pipe and method of heat treatment therefor |
| 08/04/2011 | WO2011093070A1 Case-hardened steel and carburized material |
| 08/04/2011 | WO2011091983A2 Process for the heat treatment of metal strip material, and strip material produced in that way |
| 08/04/2011 | US20110186190 Thermal mechanical treatment of ferrous alloys, and related alloys and articles |
| 08/04/2011 | US20110186189 High-strength cold-rolled steel sheet excellent in workability and method for manufacturing the same |
| 08/04/2011 | US20110186188 Steel pipe with excellent expandability and method for producing the same |
| 08/04/2011 | CA2788143A1 Process for the heat treatment of metal strip material, and strip material produced in that way |
| 08/03/2011 | EP2349615A1 Method for the manufacture of a compound product with a surface region of a wear resistant coating, such a product and the use of a steel material for obtaining the coating |
| 08/03/2011 | EP1511873B1 Cold work steel and cold work tool |
| 07/27/2011 | CN101363074B Conveyer belt type cryogenic treatment apparatus |
| 07/26/2011 | US7985306 High corrosion resistance precipitation hardened martensitic stainless steel |
| 07/26/2011 | CA2481009C Method for producing martinsitic stainless steel |
| 07/21/2011 | US20110174419 System and method for annealing alloy steel components |
| 07/21/2011 | US20110174418 Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet |
| 07/20/2011 | CN102131947A Hardened martensitic steel having low cobalt content, process for manufacturing part from this steel, and parts thus obtained |
| 07/20/2011 | CN102127624A Cryogenic treatment method and device for steel wire for cutting solar cell silicon chip |
| 07/20/2011 | CN101717892B Hot die steel and tempering process thereof |
| 07/20/2011 | CN101639003B Centrifugal casting rare-earth contained engine valve retainer and manufacture method thereof |
| 07/20/2011 | CN101565798B Ferritic heat-resistant steel and manufacturing method thereof |
| 07/20/2011 | CN101198714B Method for manufacturing a stainless steel product |
| 07/14/2011 | US20110168799 Corrosion Resistant Magnetic Component for a Fuel Injection Valve |
| 07/07/2011 | WO2011055919A3 Wire rod for drawing having excellent drawability, super-high-strength steel wire and manufacturing method thereof |
| 07/07/2011 | US20110162764 High-cr ferritic/martensitic steel having improved creep resistance and preparation method thereof |
| 07/07/2011 | US20110162760 Method of producing cold-rolled steel sheet |
| 07/06/2011 | EP1979583B1 Method for making a combustion engine valve, and valve thus obtained |
| 07/05/2011 | US7972452 Method and device for the continuous creation of a bainite structure in a carbon steel, particularly in a strip steel |
| 06/29/2011 | CN101421425B Method of pretreatment for quenching of martensitic tool steel and method of quenching |
| 06/28/2011 | US7967927 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 06/28/2011 | US7967922 Ferrous abrasion resistant sliding material |
| 06/23/2011 | US20110146849 Method of producing a high tenacity metal wire material |
| 06/22/2011 | CN102105604A Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 06/22/2011 | CN102102163A Martensitic stainless steel and manufacturing method thereof |
| 06/22/2011 | CN101517098B Frictionally press-bonded member |
| 06/16/2011 | US20110139313 Manufacturing method of oriented si steel with high electric-magnetic property |
| 06/15/2011 | EP1551591B1 Method of producing an air hardenable stainless steel tube |
| 06/15/2011 | CN102094112A Heat treatment process of alloy steel product |
| 06/15/2011 | CN101263240B Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 06/09/2011 | US20110132503 Method for reducing edge serration defects in thin slab |
| 06/08/2011 | CN101748326B Preparation method of carbonic rare earth-ferrum, cobalt and silicon compound with NaZn1 structure |
| 06/08/2011 | CN101693941B Method for quenching medium and low carbon alloy structural steel workpieces |
| 06/02/2011 | US20110126946 Bainite steel and methods of manufacture thereof |
| 06/02/2011 | US20110126945 Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME |
| 06/02/2011 | US20110126791 Exhaust poppet valve and solution heat treatment method of the same |
| 06/01/2011 | EP2327805A1 Method and production assembly for producing a sheet metal part with a corrosion-resistant coating |
| 06/01/2011 | EP2327804A1 Exhaust poppet valve and solution treatment method of poppet valve |
| 06/01/2011 | CN101705345B Process method for improving ductility and toughness of Cr-containing high-strength steel by utilizing carbon distribution |
| 06/01/2011 | CN101351571B Amorphous alloy thin-band, nanocrystalline soft magnetic alloy and magnetic core consisting of nanocrystalline soft magnetic alloy |
| 05/26/2011 | US20110120723 Low Alloy Steels With Superior Corrosion Resistance For Oil Country Tubular Goods |
| 05/26/2011 | DE102009039552B4 Verfahren zur Herstellung einer Eisen-Chrom-Legierung A process for producing an iron-chromium alloy |
| 05/25/2011 | EP1762632B1 Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
| 05/24/2011 | US7947136 Process for producing a corrosion-resistant austenitic alloy component |
| 05/19/2011 | US20110114233 Development of a high strength high toughness bainitic steel |
| 05/19/2011 | US20110114229 Ausferritic Wear-Resistant Steel Castings |
| 05/18/2011 | CN101724788B Preparation method of high-vanadium steel wear resistant material |
| 05/18/2011 | CN101535522B Process for producing high-concentration carburized steel |
| 05/17/2011 | US7942981 Rotationally symmetrical hollow body made of a deformable permanently magnetic alloy and its use and production process |
| 05/12/2011 | WO2011055919A2 Wire rod for drawing having excellent drawability, super-high-strength steel wire and manufacturing method thereof |
| 05/12/2011 | US20110108167 Nano-crystalline, magnetic alloy, its production method, alloy ribbon and magnetic part |
| 05/12/2011 | US20110108164 Thermal mechanical processing of stainless steel |
| 05/11/2011 | CN102057173A Ball for constant velocity joint and method for producing the same |
| 05/11/2011 | CN102051455A Heat-treatment process for low-temperature abrasion-resistant alloy cast steel |
| 05/11/2011 | CN102049485A Method for composite centrifugal casting high-chromium steel roller |
| 05/11/2011 | CN101563470B Method for manufacturing tool steel |
| 05/04/2011 | EP2316981A1 Ferritic heat-resistant cast steel and exhaust system component |
| 05/04/2011 | CN102041375A Manufacturing device and method of precipitation hardened alloy strip, and cooling roll |
| 05/04/2011 | CN101717896B High strength and toughness cold working die steel and preparation method thereof |
| 05/04/2011 | CN101509056B Thermal treatment method for precipitation hardening of martensitic stainless steel FV520B |
| 05/04/2011 | CN101486848B High temperature anti-oxidation dry powder coating |
| 04/28/2011 | WO2011049006A1 Steel for induction hardening, induction-hardened steel parts, and process for production of same |
| 04/28/2011 | WO2010146535A3 High ballistic strength martensitic armour steel alloy |
| 04/28/2011 | US20110094637 Martensitic stainless steel strengthened by copper-nucleated nitride precipitates |
| 04/27/2011 | EP2313535A2 High strength, high toughness steel alloy |
| 04/27/2011 | EP2313532A1 Thermal mechanical treatment of ferrous alloys, and related alloys and articles |
| 04/21/2011 | WO2011046055A1 Ferrous shape memory alloy and production method therefor |
| 04/21/2011 | WO2011045513A1 Homogenization of martensitic stainless steel after remelting under a layer of slag |
| 04/21/2011 | CA2777034A1 Homogenization of martensitic stainless steel after remelting under a layer of slag |
| 04/20/2011 | EP2312006A1 Austenitic stainless steel and process for hydrogenation of same |
| 04/20/2011 | EP2310546A1 Hardened martensitic steel having a low cobalt content, process for manufacturing a part from this steel, and part thus obtained |
| 04/20/2011 | CN101052734B Process for producing Co-Cr-Mo alloy for creature with ion elution suppressed by regulation of texture |
| 04/14/2011 | DE112009001294T5 Gusseisen mit hoher Festigkeit und hohem Dämpfungsvermögen Cast iron with high strength and high damping capacity |
| 04/13/2011 | EP2309012A1 High yield ratio and high-strength cold rolled thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized cold rolled thin steel sheet, high-yield ratio high-strength hot-dip galvannealed cold rolled thin steel sheet, and methods of production of same |
| 04/13/2011 | CN102016083A Lower-cost, ultra-high-strength, high-toughness steel |
| 04/13/2011 | CN101501915B Coil spring for fuel cell |
| 04/12/2011 | US7922840 Method and installation for producing hot-rolled strip from austenitic stainless steels |
| 04/12/2011 | US7922836 Ferrous abrasion resistant sliding material |
| 04/07/2011 | WO2011040381A1 Substrate for superconducting wiring, superconducting wiring and production method for same |
| 04/06/2011 | CN101565793B Alloy ductile iron crankshaft and heat treatment process thereof |
| 04/05/2011 | CA2475248C Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 03/31/2011 | WO2011037210A1 High-strength high-toughness cast steel material and manufacturing method therefor |
| 03/31/2011 | WO2011036352A1 Ferritic stainless steel having high drawability properties |
| 03/31/2011 | WO2011036351A1 Ferritic stainless steel having high drawability properties |
| 03/30/2011 | EP2302721A1 Stainless steel material for separator of solid polymer fuel cell and solid polymer fuel cell using the same |
| 03/30/2011 | EP2302089A1 Steam turbine rotor and alloy therefor |
| 03/30/2011 | CN101993986A Heat treatment method and device of amorphous alloy cores |