| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 01/19/2011 | CN101374966B Process for manufacturing an airbag inflator bottle member |
| 01/19/2011 | CN101333629B Method for producing medium-high-carbon high-strength steel based on sheet bar technology |
| 01/19/2011 | CN101323929B High strength steel plate for big thickness tall building structure and production method thereof |
| 01/19/2011 | CN101258257B High-toughness wear-resistant steel exhibiting little hardness change in service and process for production thereof |
| 01/13/2011 | WO2011004913A1 Steel wire for high-strength spring |
| 01/13/2011 | US20110008647 High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same |
| 01/12/2011 | EP2272995A1 A manufacturing method of oriented si steel with high electric-magnetic property |
| 01/12/2011 | EP2272994A1 High-tensile strength steel and manufacturing method thereof |
| 01/12/2011 | CN1697889B Low carbon martensitic stainless steel and its manufacture method |
| 01/12/2011 | CN101946017A Low core loss grain-oriented electrical steel plate and method of manufacturing the same |
| 01/12/2011 | CN101942605A Silico-manganese steel and manufacturing method thereof |
| 01/12/2011 | CN101942603A 600MPa-level ultra-low silicon cold rolling hot galvanizing dual-phase steel and preparation process thereof |
| 01/12/2011 | CN101942601A Manufacturing method of transformation induced plasticity steel containing V hot rolling |
| 01/12/2011 | CN101942600A Preparation method of transformation-induced plasticity (TRIP) medium-manganese hot-rolled steel sheet |
| 01/12/2011 | CN101942548A On-line straightening roller device on steel bar or deformed steel bar heat treatment production line |
| 01/12/2011 | CN101638715B Production method of highway guardrail plate using 22MnB5 type steel |
| 01/12/2011 | CN101578380B Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate |
| 01/12/2011 | CN101031667B Grain-oriented electrical steel sheet, and manufacturing method therefor |
| 01/11/2011 | US7867344 Controlling the atmosphere and temperature when heating and pressing the austenite single-phase region so to prevent hydrogen and moisture from invading the steel and cause hydrogen embrittlement; providing a clearance between die andpunch during the hot pressing procedure also helps; automobile part |
| 01/11/2011 | US7866041 Method of manufacturing a duct for a gas turbine engine |
| 01/06/2011 | WO2011000351A1 Method for producing a component from an air-hardenable steel and component produced therewith |
| 01/06/2011 | US20110002808 Fire-resistant steel material superior in weld heat affected zone reheat embrittlement resistance and low temperature toughness and method of production of same |
| 01/06/2011 | US20110002433 Water Reactor Fuel Cladding Tube |
| 01/06/2011 | US20110001594 Magnetic Article and Method for Producing a Magnetic Article |
| 01/06/2011 | US20110000589 Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same |
| 01/06/2011 | US20110000587 Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel |
| 01/06/2011 | US20110000584 Process for Forming Steel |
| 01/05/2011 | EP1512762B1 Method for producing cold rolled steel plate of super high strength |
| 01/05/2011 | CN101935809A High performance rare-earth duplex stainless steel alloy material and preparation method thereof |
| 01/05/2011 | CN101935807A Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof |
| 01/05/2011 | CN101935802A Method for producing 490MPa level acid-washing-free hot rolled steel plate |
| 01/05/2011 | CN101935801A Hot rolled steel plate of 490 MPa level and production method thereof |
| 01/05/2011 | CN101935746A Annealing treatment method for coiled iron core of triangular coiled iron core transformer |
| 01/05/2011 | CN101935744A Method for sizing metal material mechanical part by phase change superplasticity |
| 01/05/2011 | CN101665865B Structural transformation control method in continuous cooling process of ultra-low-carbon wire rod of square billet |
| 01/05/2011 | CN101643829B Cold rolling orientation silicon steel production technology |
| 01/05/2011 | CN101623719B Method for manufacturing stainless steel heat transfer pipe of nuclear heat exchanger |
| 01/05/2011 | CN101603148B Method for producing economic low-temperature heating oriented electrical steel |
| 01/05/2011 | CN101597724B Alloy structural steel and production method thereof |
| 01/05/2011 | CN101538665B Aluminum alloy plate for battery box and manufacturing method thereof |
| 01/05/2011 | CN101509102B Steel for hot-rolled low carbon punching and producing method thereof |
| 12/30/2010 | US20100330388 Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same |
| 12/30/2010 | US20100330387 High strength thick steel material and high strength giant h-shape excelent in toughness and weldability and methods of production of same |
| 12/30/2010 | US20100326572 Method for producing low yield strength cold rolled steel sheet excellent in uniformity |
| 12/29/2010 | WO2010150537A1 HIGH-STRENGTH Zn-Al-PLATED STEEL WIRE FOR BRIDGES WHICH HAS EXCELLENT CORROSION RESISTANCE AND FATIGUE PROPERTIES, AND PROCESS FOR PRODUCTION THEREOF |
| 12/29/2010 | WO2010150450A1 High-strength ultra-fine steel wire and manufacturing method therefor |
| 12/29/2010 | WO2010150448A1 Pearlite–based high-carbon steel rail having excellent ductility and process for production thereof |
| 12/29/2010 | EP2267177A1 High-strength steel plate and process for producing same |
| 12/29/2010 | EP2267175A1 Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet |
| 12/29/2010 | EP1026276B1 Rolled steel product excellent in weatherability and fatigue resisting characteristic and method of production thereof |
| 12/29/2010 | CN101932737A An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 12/29/2010 | CN101929313A High-strength hydrogen-sulfide environmental corrosion-resistant seamless petroleum casing pipe and manufacturing method thereof |
| 12/29/2010 | CN101928894A High-strength weather resisting steel with Cu2-xS dispersed precipitates and manufacturing method thereof |
| 12/29/2010 | CN101928893A Low-alloy steel resistant to carbon dioxide corrosion |
| 12/29/2010 | CN101928891A Wearable steel plate with low cost and high strength and producing method thereof |
| 12/29/2010 | CN101928890A Cr-containing steel for wire line core drilling and manufacturing method thereof |
| 12/29/2010 | CN101928889A Steel for resisting sulfide corrosion and manufacturing method thereof |
| 12/29/2010 | CN101928888A Low-alloy steel for resisting carbon dioxide corrosion and manufacturing method thereof |
| 12/29/2010 | CN101928885A Hydrothion corrosion resistant pipe steel and production method thereof |
| 12/29/2010 | CN101928881A Hot rolling high-chambering steel plate with tensile strength of 590 MPa and manufacturing process thereof |
| 12/29/2010 | CN101928880A High-strength and high-tenacity steel for power communication poles and processing method thereof |
| 12/29/2010 | CN101928879A High-strength cold-roll phase-change plastic steel plate with good plasticity and preparation method thereof |
| 12/29/2010 | CN101928878A Axle shaft steel and production method thereof |
| 12/29/2010 | CN101928877A Steel for petroleum casing pipe, high-frequency welding petroleum casing pipe and manufacturing method thereof |
| 12/29/2010 | CN101928876A TRIP/TWIP high strength plastic automotive steel with excellent processability and preparation method thereof |
| 12/29/2010 | CN101928875A High-strength cold-rolled plate with favorable forming property and preparation method thereof |
| 12/29/2010 | CN101928873A Method for processing high-strength and ultrahigh-strength steel plates |
| 12/29/2010 | CN101927432A Manufacturing method of high-manganese strip steel with high strength and plasticity |
| 12/29/2010 | CN101927274A Hyperfine steel wire and production technology thereof |
| 12/29/2010 | CN101643888B Low welding crack sensitivity steel with tensile strength at 700MPa level and production method thereof |
| 12/29/2010 | CN101643827B Method for controlling tempering deformation of regula wings |
| 12/29/2010 | CN101603119B Method for manufacturing steel plate with high strength and high toughness by using hot-rolling coiled plate |
| 12/29/2010 | CN101586182B Method for reducing net level of bearing steel wire rod carbide |
| 12/29/2010 | CN101560629B Hot rolling strip steel having yield strength being higher than 800MPa and preparation method thereof |
| 12/29/2010 | CN101528951B Unidirectional magnetic steel sheet excellent in iron loss characteristic |
| 12/29/2010 | CN101318198B Process for manufacturing casting and rolling 3004 alloy deep punching material |
| 12/29/2010 | CN101310031B Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal-vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel shee |
| 12/29/2010 | CN101310029B Method for hot-rolling starting material and finishing mill |
| 12/29/2010 | CA2764769A1 Pearlite-based high carbon steel rail having excellent ductility and process for production thereof |
| 12/28/2010 | US7857919 heat treatment of steel product having been subjected to quenching or accelerated cooling on hot rolling line after hot rolling to pass steel product through induction heating apparatuses; high strength, toughness |
| 12/28/2010 | US7857917 high strength thick steel plate for marine structures, improved weldability; low cost; continuous casting to form slab, cooling, solidifying, hot rolling, cooling, tempering; for buildings, bridges, ships, and construction machines |
| 12/23/2010 | WO2010147531A1 A method of shaping and hardening a sheet steel blank |
| 12/23/2010 | WO2010147009A1 Unidirectional electromagnetic steel sheet and method for producing same |
| 12/23/2010 | WO2010146821A1 Electromagnetic steel sheet having insulating coating film and process for production thereof |
| 12/23/2010 | WO2010146796A1 High-strength hot-dip galvannealed steel shhet with excellent workability and fatigue characteristics and process for production thereof |
| 12/23/2010 | WO2010146535A2 High ballistic strength martensitic armour steel alloy |
| 12/23/2010 | WO2010097078A3 Micro-alloyed carbon steel as texture-rolled strip steel, in particular for spring elements |
| 12/23/2010 | US20100319819 High-strength hot-rolled steel sheet and method for manufacturing same |
| 12/23/2010 | US20100319818 Method for fabricating a copper alloy and copper alloy fabricated by the same |
| 12/23/2010 | US20100319816 Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same |
| 12/23/2010 | US20100319815 Method of making shape memory alloy articles with improved fatigue performance |
| 12/23/2010 | US20100319812 Method for producing a surface-decarburised hot-rolled strip |
| 12/23/2010 | CA2762935A1 High-strength galvannealed steel sheet having excellent formability and fatigue resistance and method for manufacturing the same |
| 12/22/2010 | EP2265089A1 Induction heating apparatus and induction heating method |
| 12/22/2010 | EP2264207A1 A steel composition for the production of cold rolled multiphase steel products |
| 12/22/2010 | EP2264206A1 High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
| 12/22/2010 | EP2264205A1 High-strength steel plate excellent in low-temperature toughness, steel pipe, and processes for production of both |
| 12/22/2010 | EP2264204A1 Material for soft-nitrided crankshaft and process for producing the same |
| 12/22/2010 | EP2264193A1 Production of a partially press-hardened metal sheet component |
| 12/22/2010 | CN101925685A High-strength thick steel products excellent in toughness and weldability, high-strength ultra-thick h shape steel and processes for manufacturing both |