Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
09/2011
09/27/2011CA2702427C Method of production of 780 mpa class high strength steel plate excellent in low temperature toughness
09/27/2011CA2686377C Method for hot rolling and for heat treatment of a strip of steel
09/22/2011WO2011115298A1 Stainless steel wire for warm forging, method for producing same and metal forming method
09/22/2011WO2011115120A1 Method for producing directional electromagnetic steel sheet
09/22/2011WO2011114896A1 Seamless steel pipe for steam injection, and method of manufacturing same
09/22/2011WO2011114227A2 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same
09/22/2011WO2011114178A1 Process for the production of grain oriented electrical steel
09/22/2011WO2011113404A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness
09/22/2011US20110226393 Hot-pressed steel plate member and manufacturing method therefor
09/22/2011US20110226391 C+n austenitic stainless steel having high strength and excellent corrosion resistance, and fabrication method thereof
09/22/2011US20110226386 Hardened Martensitic Steel Having a Low Cobalt Content, Process for Manufacturing a Part from Steel, and Part thus Obtained
09/22/2011CA2790278A1 Seamless steel pipe for steam injection and method for manufacturing the same
09/21/2011EP2366805A1 Method for manufacturing press hardened components
09/21/2011EP2366035A1 Manganese steel strip having an increased phosphorus content and process for producing the same
09/21/2011EP2366034A1 Process for producing a component having improved elongation and break properties
09/21/2011CN102197154A Steel material for welding and method for producing same
09/21/2011CN102197149A Method for manufacturing grain-oriented electrical steel sheet
09/21/2011CN102191444A Stress-relaxation shaping method for complicated irregular-shaped integrated wallboard
09/21/2011CN102191436A Martensitic stainless steel with good comprehensive performance and preparation method thereof
09/21/2011CN102191434A Thick steel plate with great large line energy and low temperature toughness and its production process
09/21/2011CN102191429A Method for improving high heat input welding performance of thick steel plates
09/21/2011CN102191362A Method for producing a molded part
09/21/2011CN101845582B Production method of high magnetic induction oriented silicon steel
09/21/2011CN101812571B Method for preventing internal oxidation layer in normalization treatment of electrical hot-rolled strip steel
09/21/2011CN101705438B X70 hot-rolled steel coil for pipeline steel and manufacturing method thereof
09/21/2011CN101698926B Automobile beam steel and temperature control method thereof
09/21/2011CN101691626B Production method of pre-hardened high-speed steel products and production device thereof
09/21/2011CN101671797B High-phosphorous weather-proof steel cast-rolling thin strip with negative phosphorous segregation on surface and preparation method thereof
09/21/2011CN101654759B Magnetostrictive material and preparation method thereof
09/21/2011CN101545079B X80 hot rolled steel plate with good toughness, high strength and low tensile ratio and production method thereof
09/21/2011CN101532112B Steel plate for panel with excellent toughness in thickness direction of jug line energy welding heat infection part and manufacturing method thereof
09/21/2011CN101376954B Corrosion resistant, antibacterial nickel-saving austenitic stainless steel and production method thereof
09/21/2011CN101346485B Steel part with surface layer of fine grain and process for producing the same
09/21/2011CN101341271B Rolled austenite stainless steel plate having thichkess of 100 mm or more and method for production thereof
09/21/2011CN101341269B High-strength steel plate with superior crack arrestability
09/20/2011US8021599 Method and installation for producing steel products with optimum surface quality
09/20/2011US8021502 Method for producing martensitic stainless steel pipe
09/20/2011CA2519509C Method for the thermomechanical treatment of steel
09/15/2011WO2011111862A1 Method for producing oriented electrical steel sheets
09/15/2011WO2011111623A1 Solid stabilizer, steel material for solid stabilizer and method for producing solid stabilizer
09/15/2011WO2011079341A3 Thermomechanical treatment method
09/15/2011US20110223441 Very high mechanical strength steel and method for producing a sheet of this steel coated with zinc or zinc alloy
09/15/2011US20110220252 Dual-phase steel, flat product made of such a dual-phase steel and process for the production of a flat product
09/14/2011EP2365103A1 High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail
09/14/2011EP2364373A1 Patenting of steel wire in tin, and the steel wire resulting therefrom
09/14/2011CN1985016B High-strength hot-dip galvanized steel sheet and method for producing the same
09/14/2011CN102186999A Method and device for producing hot-rolled strip from silicon steel
09/14/2011CN102181804A Steel plate for Class I nuclear key equipment and manufacturing method thereof
09/14/2011CN102181803A Fe-14Mn-6Si-9Cr-5Ni-Nb wear resistant alloy and preparation method thereof
09/14/2011CN102181796A Production method of X70 hot-rolled medium plate for submerged pipeline
09/14/2011CN102181795A Superhigh-strength armour plate and manufacturing process thereof
09/14/2011CN102181794A Hardening and tempering high-strength steel plate for wood based panel equipment and production method of tempering high-strength steel plate
09/14/2011CN102181789A Refractory steel material for supercritical turbine blade and preparation method thereof
09/14/2011CN102181788A Ultra-high strength steel with yield strength level of 1100MPa-1200MPa and production method of steel
09/14/2011CN102181787A Refractory corrosion-resisting steel as well as preparation and heat treatment method thereof
09/14/2011CN102181786A Coil rod used for 1670MPa level bridge cable zinc-coated wire and preparation method of coil rod
09/14/2011CN102181785A HIC-resistant heat resistant steel in iron element system and preparation process thereof
09/14/2011CN102181619A Method for manufacturing non-tempering low-carbon bainite type high-strength steel plate of 1000Mpa grade
09/14/2011CN102179672A Technology for processing anti-bacterial stainless steel tube
09/14/2011CN101906518B Post-forging heat treatment process for nickeliferous dilute alloy round steel
09/14/2011CN101775544B Rolling method of sulfuric acid dew point corrosion-resistant steel KNS
09/14/2011CN101381840B Wire rod having excellent wire drawability and its production method
09/13/2011US8016954 Ultratough high-strength weldable plate steel and method of manufacture thereof
09/09/2011WO2011108764A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness, and process for production of same
09/09/2011WO2011108459A1 Steel wire with excellent cold forging characteristics and manufacturing process thereof
09/09/2011WO2011108135A1 Method for determination of brittle crack propagation stopping performance in high-intensity thick steel plate
09/08/2011US20110214786 Method of making a shaped object with regions of different ductility
09/08/2011DE102010010156A1 Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität A process for the production of a molding having at least two regions of different ductility structure
09/07/2011CN102177268A Iron alloy, iron alloy member and manufacturing method therefor
09/07/2011CN102172830A Compound production line system
09/07/2011CN102172816A Method for producing high-strength hot rolling valve snail
09/07/2011CN102172622A Production method of black steel for 510L automobile frame
09/07/2011CN101857945B Method for producing Mo-free low-Nb X80 pipeline steel hot rolled steel plate
09/07/2011CN101691640B High strength low alloy wear resistance steel plate and preparation method thereof
09/07/2011CN101624683B Ultra-high strength bainite rail steel and manufacturing method thereof
09/07/2011CN101568653B Method of manufacturing grain-oriented electrical steel sheets
09/07/2011CN101111622B Austenitic steel having high strenght and formability method of producing said steel and use thereof
09/06/2011US8012276 Method for manufacturing a steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability
09/06/2011US8012272 Tool steels and manufacturing method thereof
09/01/2011WO2011105652A1 High-strength steel sheet having excellent platability and method for manufacturing same
09/01/2011WO2011105609A1 Metallic material which is solid solution of body-centered cubic (bcc) structure having controlled crystal axis <001> orientation, and process for producing same
09/01/2011WO2011105600A1 Heat-treated steel material, method for producing same, and base steel material for same
09/01/2011WO2011105591A1 Low-chromium-content stainless steel with excellent corrosion resistance of weld
09/01/2011WO2011105054A1 Process for producing grain-oriented magnetic steel sheet
09/01/2011WO2011104443A1 Method for making a part from a metal sheet coated with aluminium or an aluminium alloy
09/01/2011WO2011037759A3 Processes for reducing flatness deviations in alloy articles
09/01/2011US20110209803 High-Strength Steel Machined Product and Method for Manufacturing the Same, and Method for Manufacturing Diesel Engine Fuel Injection Pipe and Common Rail
09/01/2011US20110209800 High strength steel sheet with good wettability and manufacturing method thereof
09/01/2011CA2791018A1 Heat-treated steel material, method for producing same, and base steel material for same
08/2011
08/31/2011EP2361997A1 Steel blanks
08/31/2011EP2361996A2 Low alloy pipe steel for oil well use and seamless steel pipe
08/31/2011CN1910296B Steel sheet for use in containers and manufacturing method therefor
08/31/2011CN102168230A 304 substituting nickel-saving austenitic stainless steel and preparation method thereof
08/31/2011CN102168227A Super-thick quenched-tempered steel plate with 60kg-grade tensile strength and production method of the super-thick quenched-tempered steel plate
08/31/2011CN102168226A Martensite antibacterial stainless steel and manufacturing method thereof
08/31/2011CN102168225A YP100MPa steel plate and manufacture method thereof
08/31/2011CN101914716B Smelting method of steel and production method of reinforcing steel bars
08/31/2011CN101818236B Method for manufacturing high carbon steel wheel
08/31/2011CN101748336B Fire-resistant steel and preparation method thereof
08/31/2011CN101550519B Hot rolling biphase steel plate for vehicle wheel and method for production thereof
1 ... 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 187