| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 07/07/2011 | US20110162765 Ball for constant velocity joint and method for producing the same |
| 07/07/2011 | US20110162764 High-cr ferritic/martensitic steel having improved creep resistance and preparation method thereof |
| 07/07/2011 | US20110162763 Method for Producing Copper-Clad Aluminum Wire |
| 07/07/2011 | US20110162762 High strength steel sheet and method for manufacturing the same |
| 07/07/2011 | US20110162760 Method of producing cold-rolled steel sheet |
| 07/07/2011 | DE112008001551B4 Ein kaltgewalztes Stahlblech und Verfahren zu dessen Herstellung A cold-rolled steel sheet and process for its preparation |
| 07/07/2011 | DE102010012579B3 Verfahren und Vorrichtung zur Herstellung von gehärteten Formbauteilen Method and apparatus for the production of cured molded components |
| 07/07/2011 | CA2783625A1 Endoprosthesis containing multi-phase ferrous steel |
| 07/06/2011 | EP2341160A1 Ferritic stainless steel and method for producing the same |
| 07/06/2011 | EP2341156A1 Use of a steel alloy in a hot-forming and press-hardening |
| 07/06/2011 | EP2340897A1 Thermomechanical processing method for rough sheet metal |
| 07/06/2011 | EP1918400B1 Seamless steel pipe for pipeline and method for producing the same |
| 07/06/2011 | CN102119236A Steel plate for line pipes with excellent strength and ductility and process for production of same |
| 07/06/2011 | CN102115808A Ferrite region rolling temperature control system |
| 07/06/2011 | CN101305110B High-tensile-strength steel sheet having reduced acoustical anisotropy, excellent weldability, yield stress of 450 MPa or larger and tensile strength of 570 MPa or larger and its production method |
| 07/06/2011 | CN101160183B Process and installation for producing a lightweight structural steel with a high manganese content |
| 07/05/2011 | US7972451 Pearlitic steel rail excellent in wear resistance and ductility and method for producing same |
| 06/30/2011 | WO2011077470A1 Process for the production of grain-oriented magnetic sheets |
| 06/30/2011 | WO2011076383A1 High strength hot dip galvanised steel strip |
| 06/30/2011 | WO2011016676A3 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same |
| 06/30/2011 | US20110155289 Residual stress improving method for pipe |
| 06/29/2011 | EP2337870A1 Corrosion resistant oil field tubulars and method of fabrication |
| 06/29/2011 | CN201883116U Prebending device prolonging fatigue life of coiled tubing |
| 06/29/2011 | CN102112643A Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 06/29/2011 | CN101781736B Yield strength 225MPa-level earthquake-resistant construction steel and production method thereof |
| 06/29/2011 | CN101691644B Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 06/29/2011 | CN101691643B Refractory anti-seismic construction steel for high-toughness welding structures, and production method thereof |
| 06/29/2011 | CN101619383B Novel thermal forming method of high-strength steel plate stamping part |
| 06/29/2011 | CN101597677B Softening method for reducing hardness of seamless steel tube |
| 06/29/2011 | CN101568655B High carbon hot-rolled steel sheet and method for production thereof |
| 06/29/2011 | CN101065504B Treatment process for bars |
| 06/28/2011 | US7967927 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 06/28/2011 | US7967923 Steel plate that exhibits excellent low-temperature toughness in a base material and weld heat-affected zone and has small strength anisotropy, and manufacturing method thereof |
| 06/23/2011 | WO2011074787A2 Steel plate for surface defect-free enameling, and manufacturing method thereof |
| 06/23/2011 | US20110146852 High strength steel sheet and method for manufacturing the same |
| 06/22/2011 | EP2336377A1 Iron alloy, iron alloy member and manufacturing method therefor |
| 06/22/2011 | EP2335984A2 Crashbox and method for its production |
| 06/22/2011 | EP2334830A1 Method and device for producing hot-rolled strip from silicon steel |
| 06/22/2011 | EP2334456A2 Free-machining powder metallurgy lead-free steel articles and method of making same |
| 06/22/2011 | CN102105605A Method for producing a steel strip, having a dual-phase microstructure |
| 06/22/2011 | CN102105604A Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 06/22/2011 | CN102102142A Production method of energy saving type GO oriented silicon steel |
| 06/22/2011 | CN102102141A Hot rolling process for improving structural homogeneity of oriented silicon steel plate |
| 06/22/2011 | CN102102140A Large arc casting calibrating method |
| 06/22/2011 | CN101680047B Process for production of thick high-tensile-strength steel plates |
| 06/22/2011 | CN101657558B High-strength hot-dip galvanized steel sheet and method for producing the same |
| 06/22/2011 | CN101649381B Method for producing secondary cold-rolling tinning original plate |
| 06/22/2011 | CN101642782B Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| 06/22/2011 | CN101580916B High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof |
| 06/22/2011 | CN101580892B Process for producing low-alloy high-strength medium plate with 0 to 0.05 percent of arsenic content |
| 06/22/2011 | CN101229564B Manufacturing method of increasing high strength flat-bulb steel low temperature impact properties percent of pass |
| 06/21/2011 | CA2585629C Steel pipe for air bag inflator and method for production thereof |
| 06/21/2011 | CA2508534C Method for making structural elements by machining thick plates |
| 06/16/2011 | WO2011070063A1 Device for autofrettage |
| 06/16/2011 | US20110139317 Hot dip galvanized high strength steel sheet excellent in plating adhesion and hole expandability and method of production of same |
| 06/16/2011 | US20110139316 High strength galvannealed steel sheet with excellent appearance and method for manufacturing the same |
| 06/16/2011 | US20110139313 Manufacturing method of oriented si steel with high electric-magnetic property |
| 06/16/2011 | DE102008044523B4 Warmumformprofile Warmumformprofile |
| 06/15/2011 | EP2147127B8 Process for the production of a grain oriented magnetic strip |
| 06/15/2011 | EP1551591B1 Method of producing an air hardenable stainless steel tube |
| 06/15/2011 | CN101717847B Mechanical impacting and hardening method for processing high manganese steel frog |
| 06/15/2011 | CN101688263B Process for production of high alloy steel pipe |
| 06/15/2011 | CN101591755B Uncoated tinplate base for acidic food can and manufacturing method thereof |
| 06/15/2011 | CN101578384B Steel with weld heat-affected zone having excellent CTOD properties and process for producing the steel |
| 06/15/2011 | CN101528967B Method for manufacturing flat steel products from a steel forming a martensitic structure |
| 06/15/2011 | CN101528966B Method for manufacturing flat steel products from a multiphase steel alloyed with aluminum |
| 06/15/2011 | CN101497961B Low-temperature flexibility 1.5Ni steel and method of manufacturing the same |
| 06/15/2011 | CN101376945B 2000MPa grade superhigh intensity high tenacity steel plate and manufacturing method thereof |
| 06/14/2011 | US7959747 Method of making cold rolled dual phase steel sheet |
| 06/14/2011 | US7959745 High-strength steel pipe of API X65 grade or higher |
| 06/09/2011 | WO2011068328A2 Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof |
| 06/09/2011 | WO2011068311A2 Grain-oriented electrical steel sheet having low core loss and high magnetic flux density |
| 06/09/2011 | WO2011067315A1 Hot rolling mill and method for hot rolling a metal strip or sheet |
| 06/09/2011 | US20110132503 Method for reducing edge serration defects in thin slab |
| 06/09/2011 | US20110132502 Method for Producing a Formed Steel Part Having a Predominantly Ferritic-Bainitic Structure |
| 06/08/2011 | EP2330223A1 Directional electromagnetic steel plate manufacturing method |
| 06/08/2011 | CN102086494A High-chromium martensitic heat-resistant steel and manufacturing method thereof |
| 06/08/2011 | CN102086493A Stamped high-carbon chromium bearing ring and production process thereof |
| 06/08/2011 | CN101787419B Heat treatment process of AISI4340 steel forgings |
| 06/08/2011 | CN101755062B Process for manufacturing high-strength hot-rolled steel sheet |
| 06/08/2011 | CN101652495B Steel material having excellent high temperature properties and excellent toughness, and method for production thereof |
| 06/08/2011 | CN101528964B Seamless steel tube for airbag accumulators and process for production thereof |
| 06/08/2011 | CN101484593B A method and a system for producing hot-rolled strip silicon steel based on thin slabs |
| 06/08/2011 | CN101381854B Method for producing low carbon and high niobium content bainite high-strength steel plate |
| 06/07/2011 | US7955445 Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same |
| 06/07/2011 | US7955444 High strength steel sheet and method for manufacturing the same |
| 06/03/2011 | WO2011065593A1 Ingot for bearing, and process for producing bearing steel |
| 06/03/2011 | WO2011065582A1 Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same |
| 06/03/2011 | WO2011065579A1 Welded steel pipe for linepipe with superior compressive strength, and process for producing same |
| 06/03/2011 | WO2011065578A1 Welded steel pipe for linepipe with superior compressive strength and superior toughness, and process for producing same |
| 06/03/2011 | WO2011065479A1 High-strength ultra-thick h shape steel and process for production thereof |
| 06/03/2011 | WO2011063934A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby |
| 06/03/2011 | CA2781916A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby |
| 06/02/2011 | US20110126946 Bainite steel and methods of manufacture thereof |
| 06/01/2011 | CN102080190A Hardening and tempering steel plate for engineering machinery with 7000MPa grade yield strength and preparation method thereof |
| 06/01/2011 | CN102080180A Aluminum steel composite material and preparation method |
| 06/01/2011 | CN102080147A Process for forging cold working die and method for quenching at low temperature by using forging waste heat |
| 06/01/2011 | CN102079070A Stainless steel pill |
| 06/01/2011 | CN101693982B Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 06/01/2011 | CN101693980B Flat steel and manufacture method thereof |