| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 09/05/2012 | CN102653840A Color-coated and laminated cold-rolled substrate for household appliances and production method of color-coated and laminated cold-rolled substrate |
| 09/05/2012 | CN102653839A Low-temperature continuous-annealing interstitial-free atom cold-rolled steel plate and production method thereof |
| 09/05/2012 | CN102653836A Manufacturing method of X70 pipeline steel hot rolled steel roll |
| 09/05/2012 | CN102653816A Preparing process of alloy-steel pipe used for hydraulic cylinder tube |
| 09/05/2012 | CN102162025B Method for reducing center martensitic structure of high-carbon steel coil rod |
| 09/05/2012 | CN102127681B Production method of hot rolled steel coil |
| 09/05/2012 | CN102051460B Corrosion-resistance optimizing treatment process for Cr-Ni type stainless steel and corrosion-resistant plate |
| 09/05/2012 | CN102011052B Preparation method of twin crystal induced plastic steel plate |
| 09/05/2012 | CN102011046B Method for preparing bulk nanocrystalline iron-based alloy |
| 09/05/2012 | CN101988146B Creep age forming method of integral wing panel |
| 09/05/2012 | CN101956133B Low-yield strength anti-ageing continuous annealing cold-roll steel sheet and production method thereof |
| 09/05/2012 | CN101935809B High performance rare-earth duplex stainless steel alloy material and preparation method thereof |
| 09/05/2012 | CN101600812B High tensile steel products excellent in the resistance to delayed fracture and process for production of the same |
| 09/05/2012 | CN101238235B High-strength steel for seamless, weldable steel pipes |
| 09/04/2012 | US8257646 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance |
| 09/04/2012 | US8257517 Method of producing cold-rolled steel sheet |
| 09/04/2012 | US8257516 Method for manufacturing super strong steel body for manufacture of products with complicated shape |
| 08/30/2012 | WO2012114383A1 Non-oriented electromagnetic steel sheet and method for manufacturing same |
| 08/30/2012 | WO2012113184A1 Non-oriented electric steel produced by thin slab continuously casting and rolling and producing method thereof |
| 08/30/2012 | US20120216925 Hot-pressed steel sheet member, steel sheet for hot-press, and method for manufacturing hot-pressed steel sheet member |
| 08/30/2012 | US20120216920 Automobile part manufacturing method using quenched steel sheet |
| 08/30/2012 | US20120216642 Tempered steel |
| 08/30/2012 | CA2822206A1 Non-oriented electrical steel sheet and method for manufacturing the same |
| 08/29/2012 | EP2492363A1 Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet |
| 08/29/2012 | EP2492361A2 High strength steel pipe with excellent toughness at low temperature and good sulfide stress corrosion cracking resistance |
| 08/29/2012 | EP2491157A1 Method for producing high-strength steel product and steel product |
| 08/29/2012 | EP2490839A1 Corrosion resistant metal products |
| 08/29/2012 | CN202401105U Device for online thermal deformation treatment of steel wire |
| 08/29/2012 | CN102652178A Device for autofrettage |
| 08/29/2012 | CN102652177A Method for producing an easily deformable flat steel product, flat steel product, and method for producing a component from such a flat steel product |
| 08/29/2012 | CN102650024A Medium plate made of duplex stainless steel with excellent low-temperature toughness and manufacturing method for medium plate |
| 08/29/2012 | CN102650022A Stainless steel for passenger cars and method for producing same |
| 08/29/2012 | CN102650021A Bainite pre-hardening plastic mold steel and preparation method and heat treatment method thereof |
| 08/29/2012 | CN102650020A High-silicon high-manganese type high-thermal stability hot work die steel and thermal treatment process thereof |
| 08/29/2012 | CN102650018A Seawater corrosion-resistant steel plate and method for producing same |
| 08/29/2012 | CN102650016A Manufacturing method for high-magnetic induction low-cost 250 MPa cold-rolled magnetic pole steel |
| 08/29/2012 | CN102650015A Economical-type fine-grain high-flexibility weather-proof medium steel plate and production method thereof |
| 08/29/2012 | CN102650013A Ultra-high-strength hot-rolled steel plate and manufacturing method thereof |
| 08/29/2012 | CN102127679B Method for producing hot-rolled steel coil |
| 08/29/2012 | CN101967597B Method for producing high-thickness Z-direction steel plate |
| 08/29/2012 | CN101947630B Controlled-forging controlled-cooling processing technology of bearing ring prepared by GCr15 |
| 08/29/2012 | CN101921951B Low-aluminum-content and high-aging-resistance hot-rolling thin steel plate for cold formation and manufacturing method thereof |
| 08/29/2012 | CN101876032B Weather-resistance bridge high-strength steel plate and production method thereof |
| 08/29/2012 | CN101698924B Steel shot used for cleaning and strengthening surface of metal and preparation method thereof |
| 08/29/2012 | CN101698923B Steel shot and preparation method thereof |
| 08/28/2012 | US8252129 Method for transforming steel blanks |
| 08/28/2012 | US8252125 Method for producing a workpiece and a workpiece |
| 08/23/2012 | WO2012111986A2 Paint composition for pre-coated steel plate and a curing method for pre-coated steel plate using same |
| 08/23/2012 | WO2012110627A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 08/23/2012 | WO2012110165A1 Hot rolled flat steel product produced from a complex phase steel, and method for producing same |
| 08/23/2012 | WO2012110111A1 Method for producing a grain-oriented flat steel product |
| 08/23/2012 | US20120211129 Fe-BASED METAL PLATE AND METHOD OF MANUFACTURING THE SAME |
| 08/23/2012 | US20120211128 Method for making a steel part of multiphase microstructure |
| 08/23/2012 | DE102011101991B3 Wärmebehandlung von härtbaren Blechbauteilen Heat treatment of curable sheet metal components |
| 08/23/2012 | CA2825240A1 Hot-rolled flat steel product produced from a complex phase steel and method for the production thereof |
| 08/22/2012 | EP2489753A1 Non-oriented magnetic steel sheet and method for production thereof |
| 08/22/2012 | EP2489748A1 Hot-rolled steel surface product produced from a complex phase steel and method for the manufacture |
| 08/22/2012 | EP1616970B1 High strength hot-rolled steel plate |
| 08/22/2012 | CN102644038A Production method of steel for automobile connecting rods |
| 08/22/2012 | CN102644036A High-strength reinforcing steel bar with spiral fins and processing method of high-strength reinforcing steel bar |
| 08/22/2012 | CN102644035A Cooling after rolling method for high-weather fastness hot-rolled H-steel with yield strength up to 460MPa |
| 08/22/2012 | CN102644034A Cooling-after-rolling method of high-weather resistance hot-rolling H-shaped steel with yield strength of 500MPa |
| 08/22/2012 | CN102644033A Axle steel used for railway vehicle and preparation method for axle steel |
| 08/22/2012 | CN102644032A Cooling after rolling method for high-weather fastness hot-rolled H-steel with yield strength up to 550MPa |
| 08/22/2012 | CN102644031A Hot rolling container steel without punctiform surface defect and manufacturing method thereof |
| 08/22/2012 | CN102644025A High-strength and high-toughness steel plate and preparation method thereof |
| 08/22/2012 | CN102644024A Low-alloy low-yield-ratio steel for oceaneering structure and production method thereof |
| 08/22/2012 | CN102644023A Steel containing P and used for intermediate frequency (IF) automotive panel and production method thereof |
| 08/22/2012 | CN102644022A Manufacturing method for ferritic stainless steel strip containing molybdenum |
| 08/22/2012 | CN102644021A 600MPa-level cold rolling dual-phase steel with low process sensitivity and production method |
| 08/22/2012 | CN102644020A Cooling after rolling method for low-alloy hot-rolled H-steel with yield strength up to 500MPa |
| 08/22/2012 | CN102644019A Machining process of abrasion resistant high manganese steel products |
| 08/22/2012 | CN102643970A Production method of hot-rolled ribbed bar coil |
| 08/22/2012 | CN102643969A Ultra-high strength plastic low alloy steel with nano structure and preparation method thereof |
| 08/22/2012 | CN102643968A Method for improving toughness of middle chromium ferritic stainless steel medium plate |
| 08/22/2012 | CN102643962A Heat treatment technology for rapid annealing of steel T91 |
| 08/22/2012 | CN102162065B 550Mpa yield-strength low-carbon bainitic steel for engineering machinery and preparation method thereof |
| 08/22/2012 | CN102002645B Preparation method of high-strength wear-resistant steel plate |
| 08/22/2012 | CN101906591B Ultra high strength ship plate steel and production method thereof |
| 08/22/2012 | CN101466851B Method of manufacturing high intensity electromagnetic steel plate |
| 08/21/2012 | US8246768 High-tensile steel plate of low acoustic anisotropy and high weldability having yield stress of 450 MPa or greater and tensile strength of 570 MPa or greater, and process for producing the same |
| 08/21/2012 | CA2529837C Method and installation for the production of hot-rolled strip with a dual-phase microstructure |
| 08/16/2012 | WO2012108543A1 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 |
| 08/16/2012 | WO2012108461A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | WO2012108460A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | WO2012108027A1 High-strength steel material for steam piping, and process for production thereof |
| 08/16/2012 | DE102011000712A1 Verfahren zum Erzeugen eines kornorientierten Stahlflachprodukts A method of producing a grain-oriented steel flat product |
| 08/16/2012 | DE102009052210B4 Verfahren zum Herstellen von Bauteilen mit Bereichen unterschiedlicher Duktilität A method for the production of components with regions of different ductility |
| 08/15/2012 | EP2220259B1 Method for the production of coated and hardened components made of steel, and coated and hardenable steel strip therefor |
| 08/15/2012 | EP1693476B1 Steel product for structural member of automobile and method for production thereof |
| 08/15/2012 | CN102639741A Thick welded steel pipe having excellent low-temperature toughness, method for producing thick welded steel pipe having excellent low-temperature toughness, and steel sheet for producing thick welded steel pipe |
| 08/15/2012 | CN102639737A Steel material exhibiting excellent fatigue-crack progress resistance and corrosion resistance, and production method for same |
| 08/15/2012 | CN102639735A Ingot for bearing, and process for producing bearing steel |
| 08/15/2012 | CN102639734A Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same |
| 08/15/2012 | CN102639726A Grain-oriented electrical steel sheet having low core loss and high magnetic flux density |
| 08/15/2012 | CN102634742A Oriented electrical steel free of Al and preparation method thereof |
| 08/15/2012 | CN102634740A High-plasticity economical duplex stainless steel and manufacturing method thereof |
| 08/15/2012 | CN102634735A Spring steel used for automobile suspension as well as preparation method and application thereof |
| 08/15/2012 | CN102634731A Optimized machining process for motor suspension plate spring of high-speed locomotive |
| 08/15/2012 | CN102634730A Steel wire rod for 1860MPa-level bridge cable galvanized steel wire and manufacturing method thereof |