| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 10/30/2013 | EP2657356A2 Grain-oriented electric steel sheet having superior magnetic property and method for manufacturing same |
| 10/30/2013 | EP2657355A1 Process for production of non-oriented electromagnetic steel sheet |
| 10/30/2013 | CN103380217A Hot rolled flat steel product produced from a complex phase steel, and method for producing same |
| 10/30/2013 | CN103374685A Stainless steel material and manufacturing method thereof |
| 10/30/2013 | CN103372756A Manufacturing method for low carbon austenite non-magnetic steel motor support drum forging piece |
| 10/30/2013 | CN102719785B Production technology of preprocessing copper-clad steel wire matrix |
| 10/30/2013 | CN102560081B Heating furnace energy-saving control method based on strip steel mechanical property forecasting model |
| 10/30/2013 | CN102477483B Method for producing oriented silicon steel with excellent magnetic property |
| 10/30/2013 | CN102373371B Method for raising large heat input weldability of thick steel plate |
| 10/30/2013 | CN102303043B Cold-rolled ribbed steel bar production device and production method for same |
| 10/30/2013 | CN102209798B Steel for machine structure use attaining excellent cutting-tool life and method for cutting same |
| 10/29/2013 | CA2715320C Cooling system and cooling method of rolling steel |
| 10/29/2013 | CA2572156C Fe-ni alloy pipe stock and method for manufacturing the same |
| 10/24/2013 | WO2013156688A1 Steel sheet provided with a coating offering sacrificial cathodic protection, method for the production of a part using such a sheet, and resulting part |
| 10/24/2013 | US20130276940 High strength hot rolled steel sheet having excellent fatigue resistance and method for manufacturing the same |
| 10/23/2013 | EP2653582A1 Hot-dip zinc-plated steel sheet and process for production thereof |
| 10/23/2013 | EP2653581A2 Austenitic, lightweight, high-strength steel sheet of which the yield ratio and flexibility are outstanding and a production method therefor |
| 10/23/2013 | EP2652172A1 Method for producing a grain-oriented electric strip |
| 10/23/2013 | CN103370443A Method for producing a grain-oriented electric strip |
| 10/23/2013 | CN103370434A Austenitic, lightweight, high-strength steel sheet of which the yield ratio and flexibility are outstanding and a production method therefor |
| 10/23/2013 | CN103361582A Preparing process of high-performance copper alloy specially-shaped belt for lead frame |
| 10/23/2013 | CN103361573A 420MPa grade vanadium-containing nitrogen steel and production method thereof |
| 10/23/2013 | CN103361570A Martensite stainless steel annular forging and heat treatment technology thereof |
| 10/23/2013 | CN103361569A Ultralow temperature weather-proof structural steel plate and production method thereof |
| 10/23/2013 | CN103361568A Fire-resistant weather-resistant building steel and manufacturing method thereof |
| 10/23/2013 | CN103361567A Steel used for voltage stabilizer of pressurized water reactor power station and manufacture method of steel |
| 10/23/2013 | CN103361566A High-strength high-toughness Cu-containing steel and production method thereof |
| 10/23/2013 | CN103361564A Super duplex stainless steel seamless steel tube and preparation method |
| 10/23/2013 | CN103361560A Cold-rolled hot-molded steel plate and production method thereof |
| 10/23/2013 | CN103361558A Rare-earth-containing wet-H2S-corrosion-resistant T95 steel-grade oil well pipe and production method thereof |
| 10/23/2013 | CN103361556A Preparation method of hot rolled steel coil used for oil and gas pipeline |
| 10/23/2013 | CN103361551A V-N microalloying based high toughness ship board and preparation method thereof |
| 10/23/2013 | CN103361550A Q370 vessel steel with excellent simulated post-weld heat treatment performance and production method |
| 10/23/2013 | CN103361547A Production method of ultrahigh strength steel plate for cold forming and steel plate |
| 10/23/2013 | CN103361546A Ultra-high strength strapping raw sheet and manufacturing method thereof |
| 10/23/2013 | CN103361544A 无取向硅钢及其制造方法 Non-oriented silicon steel and its manufacturing method |
| 10/23/2013 | CN103361529A Manufacture method for quasicrystalline-phase reinforced magnesium-alloy sheet strip |
| 10/23/2013 | CN103357695A Processing method for flat wire used for tensioning wheel of engine |
| 10/23/2013 | CN102534415B Manufacture method for billets |
| 10/23/2013 | CN102534317B Multi-element aluminum-titanium alloy wire and manufacturing method thereof |
| 10/23/2013 | CN102365376B Method for producing seamless steel pipe |
| 10/23/2013 | CN102227512B Steel wire for low-temperature annealing and method for producing same |
| 10/23/2013 | CN101970588B Process of coating electrical steel |
| 10/22/2013 | US8562762 High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the same |
| 10/17/2013 | WO2013154254A1 High carbon hot rolled steel sheet having excellent uniformity and method for manufacturing same |
| 10/17/2013 | WO2013154129A1 Wire rod, steel wire using same, and billet |
| 10/17/2013 | WO2013153819A1 High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same |
| 10/17/2013 | WO2013153679A1 Hot-rolled steel plate for square steel tube for use as builiding structural member and process for producing same |
| 10/17/2013 | WO2013153676A1 Low-yield-ratio high-strength electric resistance welded steel pipe, steel strip for said electric resistance welded steel pipe, and methods for manufacturing same |
| 10/17/2013 | US20130273392 Hot-dip galvanized steel sheet and manufacturing method thereof |
| 10/17/2013 | US20130269838 Hot-rolled, cold rolled, and plated steel sheet having improved uniform and local ductility at a high strain rate |
| 10/17/2013 | DE10327383C5 Anlage zur Herstellung von Warmband mit Dualphasengefüge Plant for the production of hot-rolled dual-phase microstructure |
| 10/17/2013 | DE102011056560B4 Verfahren zur Herstellung von basaltexturarmem Magnesiumband oder -blech mit gesteigerter Kaltumformbarkeit A process for preparing basaltexturarmem magnesium strip or sheet with improved cold workability |
| 10/16/2013 | EP2650396A1 Steel sheet for bottom covers of aerosol cans and method for producing same |
| 10/16/2013 | EP2650389A2 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
| 10/16/2013 | EP2649214A2 Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable |
| 10/16/2013 | CN103352381A Production method of high-strength steel rope |
| 10/16/2013 | CN103352180A Manufacturing method of carbon alloy |
| 10/16/2013 | CN103352175A Nitrogen-containing austenitic stainless steel and manufacturing method thereof |
| 10/16/2013 | CN103352172A Sea platform steel having thickness of 150mm, and production method thereof |
| 10/16/2013 | CN103352171A High-alloy steel D2 rolling method |
| 10/16/2013 | CN103352170A Alloy forged steel and production method and application thereof |
| 10/16/2013 | CN103352167A Low-yield ratio and high-strength steel for bridges and manufacturing method thereof |
| 10/16/2013 | CN103352166A High-strength magnetic-conductive steel plate and producing method thereof |
| 10/16/2013 | CN103352165A Cold rolled coil strapping steel having tensile strength of 940MPa or more, and production method thereof |
| 10/16/2013 | CN103352158A Magnesium alloy radiator sectional material and manufacturing method thereof |
| 10/16/2013 | CN103352142A High-strength high-heat resistance aluminum alloy wire rod and preparation method thereof |
| 10/16/2013 | CN103350331A Manufacturing method of high-strength automobile brake hub |
| 10/16/2013 | CN103350180A Forging forming method of fan shaft made of C250 maraging steel |
| 10/16/2013 | CN103350179A Forging forming method of low-pressure turbine shaft made of C250 maraging steel |
| 10/16/2013 | CN103350173A Production method of integral special-shaped heavy forging made of austenitic stainless steel |
| 10/16/2013 | CN103350116A Rolling process beneficial to spheroidizing annealing of Cr and Mo steel |
| 10/16/2013 | CN103350110A Method for manufacturing austenitic stainless steel band with smooth and bright surface |
| 10/16/2013 | CN102787272B Preparation method of hot-rolled acid-washing high-strength steel for automobile carriage |
| 10/16/2013 | CN102766810B Production method of rack steel for self-elevating oil extraction platform |
| 10/16/2013 | CN102676952B Steel plate for anti-large deformation oil gas conveying pipe and production method thereof |
| 10/16/2013 | CN102650021B Bainite pre-hardening plastic mold steel and preparation method and heat treatment method thereof |
| 10/16/2013 | CN102560048B Preparation process of ordinary oriented silicon steel |
| 10/16/2013 | CN102471846B Member for radio receiver, member for radio-controlled watch, and radio receiver |
| 10/16/2013 | CN102459696B Electromagnetic steel sheet having insulating coating film and process for production thereof |
| 10/16/2013 | CN102417961B Method for improving high silicon steel preparation process capability by utilizing high-energy electric pulse |
| 10/16/2013 | CN102337461B High-hardness martensitic stainless steel and its production method |
| 10/16/2013 | CN102286659B Method for improving magnetic properties of cold rolling non-oriented silicon steel |
| 10/15/2013 | US8557065 Steel sheet for cans and method for manufacturing the same |
| 10/15/2013 | US8557063 Method for heat treating serviced turbine part |
| 10/15/2013 | US8557056 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object |
| 10/15/2013 | CA2470384C Nano-composite martensitic steels |
| 10/10/2013 | WO2013151059A1 Hollow seamless pipe for high-strength spring |
| 10/10/2013 | WO2013151009A1 Steel wire rod or steel bar having excellent cold forgeability |
| 10/10/2013 | WO2013150844A1 Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold forged/nitrided member |
| 10/10/2013 | WO2013150687A1 High-strength thick steel plate having excellent arrestability |
| 10/10/2013 | WO2013150669A1 Galvannealed hot-rolled steel sheet and method for manufacturing same |
| 10/10/2013 | US20130264123 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
| 10/10/2013 | US20130263981 Method of producing non-oriented electrical steel sheet |
| 10/10/2013 | US20130263976 Method for manufacturing grain oriented electrical steel sheet |
| 10/09/2013 | EP2647734A1 Bearing steel exhibiting excellent machinability after spheroidizing annealing and excellent resistance to hydrogen fatigue after quenching/tempering |
| 10/09/2013 | EP2647730A2 A method for manufacturing a high strength formable continuously annealed steel strip, a high strength formable continuously annealed steel strip product and a steel coil |
| 10/09/2013 | EP2646582A1 Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
| 10/09/2013 | CN103348030A Thick steel plate of at least 50mm in thickness with superior long brittle fracture propagation stopping properties, manufacturing method for same, and method for evaluating long brittle fracture propagation stopping performance and test apparatus for same |
| 10/09/2013 | CN103348020A Ultra high-strength structural steel and method for producing ultra high-strength structural steel |