| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 11/14/2012 | CN101942601B Manufacturing method of transformation induced plasticity steel containing V hot rolling |
| 11/14/2012 | CN101935807B Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof |
| 11/14/2012 | CN101392352B Thick high tension steel plate for high heat energy input welding and production method thereof |
| 11/13/2012 | CA2714894C Fire-resistant steel material superior in weld heat affected zone reheat embrittlement resistance and low temperature toughness and method of production of same |
| 11/13/2012 | CA2657508C Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
| 11/13/2012 | CA2542762C High-strength steel sheets excellent in hole-expandability and ductility |
| 11/08/2012 | US20120282487 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet |
| 11/08/2012 | US20120279621 Steel, steel flat product, steel part and method for producing a steel part |
| 11/08/2012 | US20120279620 High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate |
| 11/08/2012 | US20120279067 Components and processes of producing components with regions having different grain structures |
| 11/08/2012 | DE102011010295B4 Verfahren zur Herstellung eines Karosseriebauteiles aus Stahl A method for producing a body part made of steel |
| 11/08/2012 | DE102008032024B4 Dichtereduzierte UHC-Stähle Reduced density UHC steels |
| 11/07/2012 | EP2520685A2 Martensitic stainless steel produced by a twin roll strip casting process and method for manufacturing same |
| 11/07/2012 | EP2520683A2 High strength steel sheet having excellent brittle crack resistance and method for manufacturing same |
| 11/07/2012 | EP2520681A2 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor |
| 11/07/2012 | EP2520680A2 High strength steel sheet having excellent resistance to post weld heat treatment and method for manufacturing same |
| 11/07/2012 | EP2519654A2 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof |
| 11/07/2012 | EP2519268A1 Endoprosthesis containing multi-phase ferrous steel |
| 11/07/2012 | CN102770571A Steel sheet and process for producing steel sheet |
| 11/07/2012 | CN102766826A Production method of vanadium nitrogen micro-alloying high-strength weathering resistant steel |
| 11/07/2012 | CN102766821A High-strength thick steel plate for large heat input welding |
| 11/07/2012 | CN102766816A 80Cr14MoV high-carbon high-chromium martensite stainless steel band and preparation method thereof |
| 11/07/2012 | CN102766815A 7Cr17MoV stainless steel strip and manufacturing method thereof |
| 11/07/2012 | CN102766812A 700 MPa hot-rolled dual phase steel plate with low yield ratio and manufacture method thereof |
| 11/07/2012 | CN102766810A Production method of rack steel for self-elevating oil extraction platform |
| 11/07/2012 | CN102766809A Hot rolled strip steel with yield strength higher than 800MPa for mine rescue capsule and preparation method of hot rolled strip steel |
| 11/07/2012 | CN102766808A Microalloyed bridge steel plate and normalizing rolling technology thereof |
| 11/07/2012 | CN102766807A Boron contained bainite steel plate and manufacturing method thereof |
| 11/07/2012 | CN102766806A Ultrawide and ultrafine gauge structural steel plate for bridges and production method thereof |
| 11/07/2012 | CN102766805A Thick steel plate for nuclear power plant containment and manufacture method thereof |
| 11/07/2012 | CN102766804A High-strength high-ductility medium-carbon vanadium-containing silico-manganese steel and preparation method thereof |
| 11/07/2012 | CN102766803A Free forging processing process of alloyed tool steel 5CrNiMo for footstep shaft |
| 11/07/2012 | CN102766802A Low-temperature high-nickel steel plate and production method thereof |
| 11/07/2012 | CN102766800A Steel for hard tinplate bottle caps and production method thereof |
| 11/07/2012 | CN102766748A Production method of low-temperature steel plate capable of being welded by high heat input |
| 11/07/2012 | CN102766747A Manufacturing method of high-strength non-magnetic abrasion-resistant steel |
| 11/07/2012 | CN102764962A Manufacturing technique of heavy piece-weight thick steel plate used for offshore wind turbine tower tube |
| 11/07/2012 | CN102764838A Gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as material |
| 11/07/2012 | CN102392186B Manufacturing method of HB500 grade low-manganese wear-resistant steel plate |
| 11/07/2012 | CN102286689B Preparation method for double-phase forming steel |
| 11/07/2012 | CN102220465B Heat treatment process of steel in low-alloy, high-strength and weather-proof structure |
| 11/07/2012 | CN102127699B Method for producing hot rolled steel coils |
| 11/07/2012 | CN102127692B Production method of hot rolled steel coil |
| 11/07/2012 | CN102011045B method for making ultrafine grained steel |
| 11/06/2012 | US8303734 High strength thick steel material and high strength giant H-shape excellent in toughness and weldability and methods of production of same |
| 11/06/2012 | US8303733 Ferrite-austenite stainless steel sheet for structural component excellent in workability and impact-absorbing property and method for producing the same |
| 11/01/2012 | WO2012147922A1 Fe-BASED METAL PLATE AND METHOD FOR MANUFACTURING SAME |
| 11/01/2012 | WO2012147742A1 Fabrication method for stepped forged material |
| 11/01/2012 | US20120273097 Sputtering targets, sputter reactors, methods of forming cast ingots, and methods of forming metallic articles |
| 11/01/2012 | US20120273095 Method of Production of High-Strength Hollow Bodies from Multiphase Martensitic Steels |
| 11/01/2012 | US20120273092 Method for manufacturing a hot press-hardened component, use of a steel product for manufacturing a hot press-hardened component and hot press-hardened component |
| 11/01/2012 | CA2834392A1 Fe-based metal sheet and manufacturing method thereof |
| 10/31/2012 | EP2518169A1 Method of fast laser scribing |
| 10/31/2012 | EP2516686A1 Process for the production of grain-oriented magnetic sheets |
| 10/31/2012 | EP2516151A1 High strength hot dip galvanised steel strip |
| 10/31/2012 | EP2516075A2 Thermomechanical treatment method |
| 10/31/2012 | CN102762756A Steel plate exhibiting little welding deformation and excellent corrosion resistance |
| 10/31/2012 | CN102762752A Manufacturing method for grain-oriented electromagnetic steel sheet |
| 10/31/2012 | CN102762751A Manufacturing method for grain-oriented electromagnetic steel sheet |
| 10/31/2012 | CN102762750A Strip, sheet or blank suitable for hot forming and process for the production thereof |
| 10/31/2012 | CN102758149A High-aluminum stainless steel plate and rolling method thereof |
| 10/31/2012 | CN102758146A Alloy material and method for manufacturing open pinion in gasifier by using same |
| 10/31/2012 | CN102758145A Thick plate used for highly weather resistant structure with low compression ratio and production method thereof |
| 10/31/2012 | CN102758143A Hot-dip galvanized steel sheet with tensile strength higher than 1180MPa, and manufacturing method thereof |
| 10/31/2012 | CN102758138A Method for producing hydropower steel with thin specification and low sensitivity to weld cracks |
| 10/31/2012 | CN102758136A Hot-dip galvanized steel sheet with tensile strength higher than 780MPa, and manufacturing method thereof |
| 10/31/2012 | CN102758133A 1000MPa-level automobile steel with high product of strength and elongation and manufacturing method thereof |
| 10/31/2012 | CN102758132A Method for manufacturing deep-drawing steel with high r value through continuous annealing of micro-carbon aluminum killed steel |
| 10/31/2012 | CN102758131A Production method of 600MPa grade cold rolling dual-phase steel |
| 10/31/2012 | CN102758130A Axle steel used for railway car and production process thereof |
| 10/31/2012 | CN102758129A Method for manufacturing non-spangle galvanized sheet DX54D+Z from aluminum killed steel |
| 10/31/2012 | CN102758128A Method for producing deep-draw hot-rolled strip steel by micro carbon aluminium killed steel |
| 10/31/2012 | CN102758127A Method for producing high magnetic induction orientation silicon steel with excellent magnetic performance and good bottom layer |
| 10/31/2012 | CN102758071A Continuous annealing production method for steel for 280 MPa vehicle structure |
| 10/31/2012 | CN102758070A Production method for improving shapes of strip steel plates in annealing process |
| 10/31/2012 | CN102755992A Production method of cold-rolled steel strip for flux cored wire |
| 10/31/2012 | CN102755784A Stainless microfilament used for filtering, and production method thereof |
| 10/31/2012 | CN102127689B Production method of hot rolled steel coil for ship building |
| 10/31/2012 | CN101960034B High-strength galvanized steel sheet, high-strength alloyed hot-dip galvanized sheet, and high-strength cold-rolled steel sheet which excel in moldability and weldability, and manufacturing method for the same |
| 10/30/2012 | US8298353 Ultratough high-strength weldable plate steel and its method of manufacturing thereof |
| 10/26/2012 | WO2012144630A1 High carbon steel wire rod and method for producing high carbon steel wire rod |
| 10/26/2012 | WO2012144423A1 Steel material for machine structural use having excellent contact pressure fatigue strength |
| 10/26/2012 | WO2012144248A1 Electric resistance welded (erw) steel pipe for oil well use and process for producing erw steel pipe for oil well use |
| 10/26/2012 | WO2012144213A1 Steel sheet for can with high barrel-part buckling strength under external pressure and with excellent formability and excellent surface properties after forming, and process for producing same |
| 10/26/2012 | CA2833452A1 Steel sheet with excellent formability and surface quality after forming to be used for can having can body with high resistance to buckling against external pressure and method for manufacturing the same |
| 10/26/2012 | CA2808119A1 Electric resistance welded oil country tubular goods and manufacturing method of electric resistance welded oil country tubular goods |
| 10/25/2012 | US20120267015 Non-Oriented Electrical Steel Sheet Having Superior Magnetic Properties and a Production Method Therefor |
| 10/24/2012 | EP2513346A2 Method for producing an easily deformable flat steel product, flat steel product, and method for producing a component from such a flat steel product |
| 10/24/2012 | CN102753719A High strength steel sheet having excellent brittle crack resistance and method for manufacturing same |
| 10/24/2012 | CN102747309A Steel for enamel and production method thereof |
| 10/24/2012 | CN102747308A Method for producing high-strength non-magnetic stainless steel propeller shaft |
| 10/24/2012 | CN102747305A Low alloy steel for geothermal power generation turbine rotor, and low alloy material for geothermal power generation turbine rotor and method for manufacturing the same |
| 10/24/2012 | CN102747303A High-strength steel sheet with yield strength of 1100MPa and manufacturing method thereof |
| 10/24/2012 | CN102747301A High-strength stainless steel cold-rolled sheet strip and manufacturing method thereof |
| 10/24/2012 | CN102747299A High-performance bainite abrasion resistant steel for railway frog in alpine region and manufacture method |
| 10/24/2012 | CN102747293A High-speed steel for high-toughness high-abrasion resistance hobbing cutter and preparation method thereof |
| 10/24/2012 | CN102747292A Normalized acid-resistant pipeline steel X52NS hot rolled plate coil and producing method thereof |
| 10/24/2012 | CN102747291A High-frequency low-iron-loss excellent-magnetic-property non-orientated silicon steel strip and production method thereof |
| 10/24/2012 | CN102747290A Economical wear-resistant steel and manufacturing method thereof |
| 10/24/2012 | CN102747289A Ultrahigh-strength steel used for petroleum casing pipe, petroleum casing pipe, and manufacturing method thereof |