| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 03/30/2011 | CN101353762B Silver copper composite deep punch type ferrite antibiotic stainless steel, steel plate and manufacturing method thereof |
| 03/30/2011 | CN101353754B Steel for internal magnetic shield and manufacturing method thereof |
| 03/30/2011 | CN101270451B Plastic mold steel and method for manufacturing same |
| 03/29/2011 | CA2513096C Ultrahigh strength hot-rolled steel and method of producing bands |
| 03/24/2011 | WO2010074463A8 High carbon steel sheet with superior heat treatment characteristics, and manufacturing method thereof |
| 03/24/2011 | US20110067788 Processes for reducing flatness deviations in alloy articles |
| 03/24/2011 | US20110067787 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same |
| 03/24/2011 | US20110067786 Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating |
| 03/24/2011 | DE102010004081B3 Hot-forming and hardening a plain or preformed steel plate with two microstructure areas of different ductility, by section-wisely heating the microstructure areas and forming and/or areawisely hardening in a hot-forming- or hardening tool |
| 03/24/2011 | DE102008051992B4 Verfahren zur Herstellung eines Werkstücks, Werkstück und Verwendung eines Werkstückes A process for producing a workpiece, the workpiece and using a work piece |
| 03/23/2011 | CN101988176A Structural alloy steel and processing technology for preparing heat-insulating oil tube from same |
| 03/23/2011 | CN101988172A High-strength shock-resistance steel bars and production method thereof |
| 03/23/2011 | CN101988146A Creep age forming method of integral wing panel |
| 03/23/2011 | CN101988141A Non-quenched and tempered steel controlled cooling heating processing technology |
| 03/23/2011 | CN101987330A Manufacturing method of super-thick laminar tearing resisting steel plate |
| 03/23/2011 | CN101638716B Special process for freely forging ASTMA514 (GradeQ) steel ingot into platy forged piece |
| 03/23/2011 | CN101497972B High strength low yield ratio welding structure steel and production method thereof |
| 03/22/2011 | US7909950 Method for manufacturing an ultra soft high carbon hot-rolled steel sheet |
| 03/17/2011 | WO2011030907A1 Soft magnetic amorphous alloy ribbon, method for producing same, and magnetic core using same |
| 03/17/2011 | WO2011030853A1 High-strength bolt |
| 03/17/2011 | WO2011030768A1 Steel sheet for high-strength line pipe having excellent low-temperature toughness, and steel pipe for high-strength line pipe |
| 03/17/2011 | US20110064968 High-Strength Steel Sheet with Excellent Ductility and Crackless Edge Portion, Hot-Dip Galvanized Steel Sheet, and Manufacturing Method Thereof |
| 03/17/2011 | US20110064649 Austenitic stainless steel for hydrogen gas and a method for its manufacture |
| 03/17/2011 | US20110061777 Ferritic stainless steel sheet having superior punching workability and method for manufacturing the same |
| 03/17/2011 | US20110061776 Process for manufacturing sheet of austenitic stainless steel having high mechanical properties and sheet thus obtained |
| 03/17/2011 | US20110061773 Press roller annular casing and method |
| 03/16/2011 | EP2295615A1 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same |
| 03/16/2011 | CN101985725A 780MPa grade low yield ratio steel plate for buildings and manufacturing method thereof |
| 03/16/2011 | CN101985722A Pipeline steel plate with low yield ratio, fine grains and high strength and production method thereof |
| 03/16/2011 | CN101985721A Method for preparing oriented silicon steel thin strip using aluminum nitride as inhibitor |
| 03/16/2011 | CN101985679A Short production process for high-silicon steel plate |
| 03/16/2011 | CN101985678A Method for preparing austenitic stainless steel tube blank for nuclear power |
| 03/16/2011 | CN101605616B Process for producing seamless steel pipe made of high-chromium high-nickel alloy steel |
| 03/16/2011 | CN101586217B Low-cost and ultra-high strength and toughness martensite steel and manufacturing method thereof |
| 03/16/2011 | CN101545080B 590 mpa high yield ratio round steel pipe for building structure with excellent shock resistance and production process |
| 03/16/2011 | CN101518803B Pure bending aging forming mold |
| 03/16/2011 | CN101463414B Production method for steel plate |
| 03/16/2011 | CN101435050B Low temperature tenacity excellent low yield ratio high intensity steel plate for welding heat influenced part and mother plate, and manufacturing method thereof |
| 03/16/2011 | CN101319293B Sea water resistant steel and manufacture process thereof |
| 03/15/2011 | US7905967 Method of manufacturing martensitic stainless steel |
| 03/15/2011 | US7905965 Method for making soft magnetic material having fine grain structure |
| 03/15/2011 | CA2532125C Induction hardened blade |
| 03/15/2011 | CA2424074C Steel and method for producing an intermediate product |
| 03/10/2011 | WO2011027900A1 High-strength steel plate and high-strength steel pipe with superior low-temperature toughness for use in line pipes |
| 03/10/2011 | WO2011026460A1 Method for producing an iron-chromium alloy |
| 03/10/2011 | WO2010123315A3 High strength, high toughness steel wire rod, and method for manufacturing same |
| 03/10/2011 | US20110056594 Process for producing a component from a steel product provided with an al-si coating and intermediate product of such a process |
| 03/10/2011 | CA2773708A1 Method for production of an iron-chromium alloy |
| 03/09/2011 | EP2292352A1 Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material |
| 03/09/2011 | EP2291547A1 Method for manufacturing very high strength, cold-rolled, dual phase steel sheets, and sheets thus produced |
| 03/09/2011 | EP1470869B1 Method for producing coated steel sheet |
| 03/09/2011 | CN101984123A Preparation method of stainless steel coach plate for high-speed train |
| 03/09/2011 | CN101984120A 12Cr2Mo1R heavy plate under critical hydrogen and heat treatment process thereof |
| 03/09/2011 | CN101984119A NV-F690 ultrahigh strength ship plate steel and manufacture method thereof |
| 03/09/2011 | CN101984092A Heat treatment process of 6061T6 large-scale forging ring |
| 03/09/2011 | CN101984091A Online time-control temperature-control water quenching device |
| 03/09/2011 | CN101608282B Drill rod material steel pipe resisting low temperature of -40 to -60 DEG C and manufacturing method thereof |
| 03/09/2011 | CN101358318B Ingredient design of non-oriented electrical steel with good combination property and preparation method therefor |
| 03/03/2011 | WO2011023418A1 Method for producing a steel component provided with a metal coating protecting against corrosion and steel component |
| 03/03/2011 | WO2010126268A3 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same |
| 03/03/2011 | US20110048589 High-strength steel sheet and method for manufacturing the same |
| 03/03/2011 | US20110048588 Cold-rolled steel sheet and method for manufacturing the same |
| 03/03/2011 | US20110048586 Dual phase steel sheet and method of manufacturing the same |
| 03/03/2011 | US20110048583 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner |
| 03/03/2011 | CA2758629A1 Method of producing a steel component provided with a metallic coating giving protection against corrosion, and a steel component |
| 03/02/2011 | EP2290133A1 Method for producing a steel component with an anti-corrosive metal coating and steel component |
| 03/02/2011 | EP2290116A1 Thick steel sheet having high strength and method for producing same |
| 03/02/2011 | EP2290112A1 Method for controlling cooling of steel sheet |
| 03/02/2011 | EP2290111A1 Dual phase steel sheet and method of manufacturing the same |
| 03/02/2011 | CN101983251A High-strength steel plate for a can and method for manufacturing said high-strength steel plate |
| 03/02/2011 | CN101983246A Method for producing can manufacturing steel sheet |
| 03/02/2011 | CN101352724B Method for producing boron-containing non-quenching and tempering plastic mold steel |
| 03/01/2011 | US7896984 High strength, toughness, corrosion resistance; noncracking |
| 02/24/2011 | US20110042625 Non-Oriented Electrical Steel Sheet and Production Process Thereof |
| 02/24/2011 | US20110041965 High strength thick-gauge steel plate superior in weldability and having tensile strength of 780 mpa or more and method of production of same |
| 02/24/2011 | US20110041964 Thermo-mechanical process to enhance the quality of grain boundary networks |
| 02/24/2011 | DE102008044693B4 Verfahren zur Herstellung gehärteter Bauteile mit mehrfachem Erwärmen A process for producing hardened components with multiple heating |
| 02/23/2011 | EP2287347A1 Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor |
| 02/23/2011 | EP2287346A1 Bainitic steels with boron |
| 02/23/2011 | EP2287345A1 Method for controlling and/or regulating an induction oven for a roller assembly, control and/or regulating device for a roller assembly and roller assembly for producing rolled goods |
| 02/23/2011 | EP2287343A2 Continuous press hardening process and apparatus therefor |
| 02/23/2011 | EP1399598B2 Method for producing high-strength cold-formed steel products from a hot rolled strip, said products exhibiting good malleability |
| 02/23/2011 | CN101979676A Method for improving magnetic property of oriented silicon steel through laser scribing |
| 02/17/2011 | US20110037207 Hybrid method manufacturing apparatus for torsion beam |
| 02/17/2011 | US20110036470 Torsion beam manufacturing method using hybrid method |
| 02/17/2011 | US20110036469 Steel plate that exhibits excellent low-temperature toughness in base material and weld heat-affected zone and has small strength anisotropy, and manufacturing method thereof |
| 02/17/2011 | DE112009000462T5 Hochfeste Stahlplatte mit hervorragender Beständigkeit gegen ein Entspannungsglühen und hervorragender Kaltzähigkeit High-strength steel plate with excellent resistance to stress-relief annealing and excellent cold resistance |
| 02/16/2011 | EP2284286A2 Thermal mechanical processing of stainless steel |
| 02/16/2011 | CN101974720A Method for manufacturing spring steel |
| 02/16/2011 | CN101974673A Processing method of thread rod, bolt and nut by using dual-phase steel material |
| 02/16/2011 | CN101974672A Control method for implementing microstructure by non quenched and tempered steel hot forging formation |
| 02/16/2011 | CN101974671A Method for manufacturing high-strength superfine crystalline spring steel |
| 02/16/2011 | CN101624676B Hot-rolled beam steel with a tensile strength of more than 710MPa and preparation method thereof |
| 02/16/2011 | CN101591754B High-obdurability low-alloy cold stamping die steel and hot chemical treatment process |
| 02/16/2011 | CN101560594B Elastic wave treating device |
| 02/16/2011 | CN101386957B Spring steel wire rod excellent in decarburization resistance and wire drawing workability and method for producing same |
| 02/16/2011 | CN101386054B Forging technique of 1000MW nuclear power plant steam turbine low-pressure rotor |
| 02/15/2011 | US7887649 excellent low-temperature toughness, formability, and torsional fatigue endurance after being formed into cross-sectional shape and then stress-relief annealed |
| 02/15/2011 | US7887645 High permeability grain oriented electrical steel |
| 02/10/2011 | WO2011016758A1 Method for producing anisotropic electrotechnical sheet steel |