| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 12/02/2010 | DE102009023195A1 Herstellung eines partiell pressgehärteten Blechbauteils Production of a partially press-hardened sheet metal component |
| 12/02/2010 | CA2759256A1 High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets |
| 12/01/2010 | EP2256224A1 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 |
| 12/01/2010 | EP2155916B1 Low density steel with good stamping capability |
| 12/01/2010 | EP1402965B1 Method for manufacturing heat- treated deformed steel |
| 12/01/2010 | EP1149925B1 Sheet steel and method for producing sheet steel |
| 12/01/2010 | CN101903554A Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same |
| 12/01/2010 | CN101903550A Corrosion resistant steel for marine applications |
| 12/01/2010 | CN101899630A Quenching steel plate for engineering machinery with 900MPa-grade yield strength and production method thereof |
| 12/01/2010 | CN101899625A Ferrite stainless steel and manufacturing method thereof |
| 12/01/2010 | CN101899624A High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof |
| 12/01/2010 | CN101899619A High-strain hardening index hot-dip galvanized high-strength steel and production method thereof |
| 12/01/2010 | CN101899618A X46 pipeline steel and preparation method thereof |
| 12/01/2010 | CN101899617A X56 pipeline steel and production method thereof |
| 12/01/2010 | CN101899616A Steel for 600MPa-grade high-strength engineering machines and production method thereof |
| 12/01/2010 | CN101899614A Composite micro-alloying hot rolled steel plate containing V and Nb and preparation method thereof |
| 12/01/2010 | CN101899611A Structural hot rolled steel plate and production method thereof |
| 12/01/2010 | CN101899559A Manufacturing method of high strength bumper for automobile side-door |
| 12/01/2010 | CN101899556A Heat treatment method for thinning coarse grains of ferrite refractory steel for bearing pressure at high temperature |
| 12/01/2010 | CN101899555A Production method of graphitized free-machining steel |
| 12/01/2010 | CN101684537B Weather resisting steel produced by strip casting and production method thereof |
| 12/01/2010 | CN101481778B Austenic stainless steel strip and manufacturing method thereof |
| 12/01/2010 | CN101451216B Thick specification hot-rolled steel sheet for roll forming high intensity metal sheet pile and manufacturing technology |
| 12/01/2010 | CN101440461B Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof |
| 12/01/2010 | CN101418416B Low welding crack sensitivity steel plate with yield strength of 800MPa grade and method for producing the same |
| 12/01/2010 | CN101397636B High toughness ring chain steel for mine and method for producing the same |
| 12/01/2010 | CN101397635B 12Cr2Mo1R thick steel plate for equipment contacting hydrogen and method for producing the same |
| 12/01/2010 | CN101381842B High chromium content ferrite stainless steel and manufacturing method thereof |
| 12/01/2010 | CN101381803B Control method of toothed wheel steel band structure |
| 12/01/2010 | CN101358319B Low carbonaceous steel plate for 610MPa grade high strength pressure vessels and production method thereof |
| 12/01/2010 | CN101358273B Method for producing low-temperature oriented electrical steels |
| 12/01/2010 | CN101348851B Method for producing common oriented electrical steel by low temperature casting blank heating |
| 12/01/2010 | CN101255528B Niobium-containing steel plate with excellent ultralow-temperature flexibility and rolling method thereof |
| 11/30/2010 | US7842142 hydrogen embrittlement suppressed by controlling an atmosphere in the heating furnace before shaping so as to reduce the amount of hydrogen in the steel, and then reduce or eliminate residual stress using post-processing techniques (sharing) |
| 11/25/2010 | WO2010134583A1 Steel for machine structure use attaining excellent cutting-tool life and method for cutting same |
| 11/25/2010 | WO2010134498A1 Stainless steel for oil well, stainless steel pipe for oil well, and process for production of stainless steel for oil well |
| 11/25/2010 | WO2010134353A1 Steel material for welding and method for producing same |
| 11/25/2010 | WO2010134323A1 Steel material for welding and method for producing same |
| 11/25/2010 | WO2010133197A1 Metal foil |
| 11/25/2010 | US20100297463 Composite metal object and method for producing a composite object |
| 11/25/2010 | US20100294400 Method for producing a steel component by hot forming and steel component produced by hot forming |
| 11/25/2010 | DE102009015013A1 Verfahren zum Herstellen partiell gehärteter Stahlbauteile A method for producing partially hardened steel components |
| 11/25/2010 | CA2760297A1 Stainless steel for oil well, stainless steel pipe for oil well, and method of manufacturing stainless steel for oil well |
| 11/25/2010 | CA2757223A1 Steel for welded structure and producing method thereof |
| 11/25/2010 | CA2749154A1 Steel for welded structure and producing method thereof |
| 11/24/2010 | EP2253394A1 Cooling system and cooling method of rolling steel |
| 11/24/2010 | EP2252722A2 Method for producing a grain-oriented magnetic strip |
| 11/24/2010 | EP1514951B1 High strength cold rolled steel plate and method for production thereof |
| 11/24/2010 | CN201648463U Magnesium oxide dedusting system of oriented silicon steel hot-drawing and annealing machine |
| 11/24/2010 | CN101896626A Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam application |
| 11/24/2010 | CN101892437A Good-mirror polishability low-magnetic austenitic stainless steel and manufacturing method thereof |
| 11/24/2010 | CN101892431A Hot rolled weatherproof bridge steel with yield strength of 500 MPa level and manufacturing method thereof |
| 11/24/2010 | CN101892422A Steel for petroleum casing pipe, high-frequency electric resistance welding petroleum casing pipe and methods for manufacturing steel for petroleum casing pipe and high-frequency electric resistance welding petroleum casing pipe |
| 11/24/2010 | CN101892420A Recrystallization annealing process for preparing high-strength and high-ductility FeMnC alloy steel |
| 11/24/2010 | CN101892418A Corrosion-resistant soft cold-rolling tin plate and production method thereof |
| 11/24/2010 | CN101892371A Cold draw production method of wire core 4J42 alloy for covering copper |
| 11/24/2010 | CN101892370A Fe-Cr-Mn-N austenitic stainless steel with good hot workability and manufacturing method thereof |
| 11/24/2010 | CN101890622A Method for manufacturing hammer lever of electrohydraulic hammer |
| 11/24/2010 | CN101481775B Steel for oil refining boiler tube and process channel and manufacturing method thereof |
| 11/24/2010 | CN101418418B Low welding crack sensitivity steel plate with yield strength of 690MPa grade and method for producing the same |
| 11/24/2010 | CN101397637B 13Cr high anti-carbon dioxide and trace hydrogen sulfide corrosion tubing and casing steel and method for producing the same |
| 11/23/2010 | CA2528743C Austenitic stainless steel for hydrogen gas and a method for its manufacture |
| 11/18/2010 | WO2010131754A1 Hollow seamless pipe for high-strength springs |
| 11/18/2010 | WO2010130871A1 Method for manufacturing hot rolled steel strip product, and hot rolled steel strip product |
| 11/18/2010 | US20100288402 Method and apparatus for producing sheet metal components |
| 11/18/2010 | DE102008034996B4 Vorrichtung zum Warmformen, Presshärten und Schneiden eines Halbzeugs aus härtbarem Stahl Apparatus for thermoforming press hardening and cutting a semi-finished product made from hardenable steel |
| 11/17/2010 | EP2251449A1 Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same |
| 11/17/2010 | CN1942596B Austenitic stainless steel, method for producing same and structure using same |
| 11/17/2010 | CN1875122B Stainless steel wire, spring, and method for producing spring |
| 11/17/2010 | CN101889098A Production of ultra-fine grains in interstitial free (IF) steels by equal channel angular extrusion (ECAE) |
| 11/17/2010 | CN101886228A Low carbon martensite aged stainless steel with high strength high toughness and high decay resistance performances |
| 11/17/2010 | CN101886221A Micro-alloy ultra-fine grained hot rolled steel plate and production method thereof |
| 11/17/2010 | CN101886162A Method for simulating natural aging of low-carbon hot-rolled steel bars and wires |
| 11/17/2010 | CN101886161A Production method for transformation induced plasticity steels by hot rolling |
| 11/17/2010 | CN101608254B Method for controlling high-chromium ferrite heat-resistant steel austenite-based micro-deformation lath martensite structure |
| 11/17/2010 | CN101368251B Steel plate for large-thickness hydrogen-contacting equipment and its production technology |
| 11/16/2010 | US7833363 Steel containing C 0.1% to 0.5%; Si + Al 0.5% to 3%; Mn 0.5% to 3%; P 0.15% or less; S 0.02% or less; superior in elongation and also in the balance of strength and reduction of area even if the working ratio is set high; single heat treatment, forging, tempering, quenching |
| 11/16/2010 | CA2552963C Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same |
| 11/11/2010 | US20100282376 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same |
| 11/11/2010 | US20100282373 Method for producing a coated steel strip for producing taylored blanks suitable for thermomechanical shaping, strip thus produced, and use of such a coated strip |
| 11/10/2010 | EP2248919A1 High corrosion-resistant, high-strength and non-magnetic stainless steel, high corrosion-resistant, high-strength and non-magnetic stainless steel product and method for producing the same |
| 11/10/2010 | CN101883871A A method of producing a painted steel sheet product of high strength |
| 11/10/2010 | CN101880833A Stainless bearing steel adopting microalloying of rare earth and applicable to manufacturing miniature and small-size bearings and manufacturing method thereof |
| 11/10/2010 | CN101880830A Steel with Brinell hardness of 430-470 for cutting edge and production method thereof |
| 11/10/2010 | CN101880827A IF steel with delta r less than or equal to 0.3 and production method thereof |
| 11/10/2010 | CN101880826A Non-hardened bainite cold heading steel for fastener and manufacturing method thereof |
| 11/10/2010 | CN101880825A Ultrafine grained hot rolled dual-phase steel with tensile strength of above 750MPa and manufacturing method of plate thereof |
| 11/10/2010 | CN101880823A Hot rolled niobium micro-alloyed multi-phase steel and preparation method thereof |
| 11/10/2010 | CN101386124B Medium and heavy plate production technique and special production line thereof |
| 11/10/2010 | CN101338402B Method for manufacturing copper-containing ferrite antimicrobial stainless steel belt |
| 11/09/2010 | US7828918 Making coil springs with optimum toughness and strength |
| 11/09/2010 | US7828912 High-strength hot-rolled steel shaft excellent in hole expandability and ductility and production method thereof |
| 11/09/2010 | CA2559587C Hot dip galvanized composite high strength steel sheet excellent in shapeability and hole enlargement ability and method of production of same |
| 11/04/2010 | WO2010126268A2 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same |
| 11/04/2010 | US20100276038 Martensitic stainless steel, method for making parts from said steel and parts thus made |
| 11/03/2010 | CN101876032A Weather-resistance bridge high-strength steel plate and production method thereof |
| 11/03/2010 | CN101876029A Stainless steel precision steel belt for CPU parts |
| 11/03/2010 | CN101876028A Non-oriented electrical steel for variable frequency motor and production method thereof |
| 11/03/2010 | CN101876001A Method for improving low-temperature impact toughness of high strength thick steel plate |
| 11/03/2010 | CN101876000A Method for producing high-toughness ultra-thick plate by using continuous casting blank |