| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 04/14/2011 | US20110083775 Heavy wall steel material having superior weldability and method for producing the same |
| 04/14/2011 | US20110083774 High Strength Steel Sheet and Hot Dip Galvanized Steel Sheet Having High Ductility and Excellent Delayed Fracture Resistance and Method for Manufacturing the Same |
| 04/13/2011 | EP2309014A1 Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 04/13/2011 | EP2309012A1 High yield ratio and high-strength cold rolled thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized cold rolled thin steel sheet, high-yield ratio high-strength hot-dip galvannealed cold rolled thin steel sheet, and methods of production of same |
| 04/13/2011 | EP2308617A2 Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material |
| 04/13/2011 | EP2308616A1 Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material |
| 04/13/2011 | CN102011068A 800 MPa-grade low-yield-ratio structural steel plate and production method thereof |
| 04/13/2011 | CN102011064A Steel for X80 grade low-temperature pipe fitting, and preparation and application thereof |
| 04/13/2011 | CN102011055A Method for manufacturing hard bainite bearing |
| 04/13/2011 | CN102011054A Hot-rolled pickled plate and low titanium strengthening production process thereof |
| 04/13/2011 | CN102011053A High-yield-ratio high-strength thin steel sheet excelling in weldability and ductility and manufacturing method thereof |
| 04/13/2011 | CN102011052A Preparation method of twin crystal induced plastic steel plate |
| 04/13/2011 | CN102011051A High-strength and high-ductility medium carbon TRIP (transformation induced plasticity) steel and preparation method thereof |
| 04/13/2011 | CN102011050A Steel for 36kg-grade ocean platform and production method thereof |
| 04/13/2011 | CN102011047A Production method of steel plate for pressure vessel with low cost and high performance |
| 04/13/2011 | CN102011046A Method for preparing bulk nanocrystalline iron-based alloy |
| 04/13/2011 | CN102011045A method for making ultrafine grained steel |
| 04/13/2011 | CN102010962A Producing technology of steel tube |
| 04/13/2011 | CN102010961A Process for producing steel tubes |
| 04/13/2011 | CN101660092B High-strength high-tenacity Zr-B composite micro-alloyed steel and manufacturing method thereof |
| 04/13/2011 | CN101654730B Hot rolling method of cold-rolling low-carbon non-oriented electrical steel |
| 04/13/2011 | CN101646788B Case-hardened steel pipe excellent in workability and process for production thereof |
| 04/13/2011 | CN101550514B Hot-rolling transformation-induced plasticity steel plate and preparation method thereof |
| 04/13/2011 | CN101545086B Surface treating method of galvanizing colourful coating steel plate for tear-off tin pull ring |
| 04/13/2011 | CN101481779B High plasticity, high tenacity and ultra-high tensile steel, and manufacturing method thereof |
| 04/13/2011 | CN101448967B High-strength steel pipe with excellent unsusceptibility to strain aging for line piping, high-strength steel plate for line piping, and processes for producing these |
| 04/13/2011 | CN101397625B Superfine grain steel sheet with yield strength of 420 MPa grade and method for producing the same |
| 04/13/2011 | CN101161847B High-ductility steel for hot-bending bends and production method for hot rolled plates thereof |
| 04/13/2011 | CN101048524B Steel pipe for air bag inflator and method for production thereof |
| 04/12/2011 | US7922968 Iron, silicon, manganese, aluminum, copper, carbon, phosphorus, sulfur, nitrogen and cobalt; reheating the steel slab, finishing by hot rolling at an Ar3 transformation temperature, cold rolling, continuous annealing; improved corrosion resistance against condensed water; cost efficient; high strength |
| 04/12/2011 | US7922840 Method and installation for producing hot-rolled strip from austenitic stainless steels |
| 04/12/2011 | US7922838 Crude oil tank fabricated from steel plate |
| 04/12/2011 | US7922837 Steel sheet for vitreous enameling and method for producing the same |
| 04/12/2011 | US7922835 High strength steel sheet excellent in formability |
| 04/12/2011 | US7922834 Non-oriented electrical steel sheet and production process thereof |
| 04/12/2011 | CA2314533C Low-aluminum steel sheet for packaging |
| 04/07/2011 | WO2011040723A2 Low-core-loss, high-magnetic-flux density, grain-oriented electrical steel sheet and production method therefor |
| 04/07/2011 | WO2011040624A1 Steel plate with low yield ratio, high strength, and high toughness and process for producing same |
| 04/07/2011 | WO2011040622A1 Steel plate having low yield ratio, high strength and high uniform elongation and method for producing same |
| 04/07/2011 | WO2011040587A1 Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same |
| 04/07/2011 | US20110079329 Homogenization and heat-treatment of cast metals |
| 04/07/2011 | US20110079328 High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same |
| 04/07/2011 | CA2775043A1 Low yield ratio, high strength and high toughness steel plate and method for manufacturing the same |
| 04/07/2011 | CA2775031A1 Low yield ratio, high strength and high uniform elongation steel plate and method for manufacturing the same |
| 04/06/2011 | EP2305850A1 High-strength thick steel products excellent in toughness and weldability, high-strength ultra-thick h shape steel and processes for manufacturing both |
| 04/06/2011 | EP2304061A1 Process for the high-temperature annealing of grain-oriented magnetic steel strip in an inert gas atmosphere in a heat treatment furnace |
| 04/06/2011 | EP2162557B1 Process for hot rolling and for heat treatment of a steel strip |
| 04/06/2011 | CN1703525B Cu-containing steel material having superior surface quality, and manufacturing method therefor |
| 04/06/2011 | CN102007226A High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet |
| 04/06/2011 | CN102002645A High-strength wear-resistant steel plate and preparation method thereof |
| 04/06/2011 | CN102002635A Steel for pressure container in thick specification and preparation method thereof |
| 04/06/2011 | CN102002630A Q345R-Z35 super-thick steel plate resisting HIC (hydrogen induced crack) pressure vessel and production method thereof |
| 04/06/2011 | CN102002628A Method for manufacturing low-carbon steel sheets |
| 04/06/2011 | CN102002582A Method and device for synchronously analyzing and monitoring band steel by using image identification |
| 04/06/2011 | CN102002567A Production method of oriented high-silicon-steel thin plates |
| 04/06/2011 | CN102002566A Seamless steel tube straightening and quenching device |
| 04/06/2011 | CN102000954A Method for manufacturing continuous pipe mill retained mandrel |
| 04/06/2011 | CN101694250B 500MPa-grade VN alloying non-tempering seamless steel tube and manufacturing method thereof |
| 04/06/2011 | CN101693981B Preparation method of low-alloy high-carbon steel with high-strength and high ductility nano structure |
| 04/06/2011 | CN101688262B Process for production of 780mpa-grade high-tensile-strength steel plates excellent in low-temperature toughness |
| 04/06/2011 | CN101591752B Steel for cup-shaped iron core of loudspeaker and production method thereof |
| 04/06/2011 | CN101586216B Ultra-high strength and toughness bainitic steel and manufacturing method thereof |
| 04/06/2011 | CN101490294B Non-oriented magnetic steel sheet with high strength |
| 04/06/2011 | CN101426594B Process for producing stainless-steel pipe |
| 04/06/2011 | CN101381847B Producing method of flushing and abrasion-resistant steel with high tensile strength |
| 04/06/2011 | CN101336303B Hot-rolled microalloy low carbon steel band |
| 04/06/2011 | CN101233253B Seamless steel pipe and method for producing same |
| 04/06/2011 | CN101163807B High tension steel plate, welded steel pipe and method for production thereof |
| 04/05/2011 | US7918948 Method of production of 780 MPa class high strength steel plate excellent in low temperature toughness |
| 04/05/2011 | CA2630797C Method for manufacturing bottle member for air bag inflator |
| 04/05/2011 | CA2575940C Method for producing quenched components consisting of sheet steel |
| 04/05/2011 | CA2475248C Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 04/05/2011 | CA2438239C Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 03/31/2011 | WO2011037759A2 Processes for reducing flatness deviations in alloy articles |
| 03/31/2011 | WO2011037403A2 High-carbon soft wire rod not requiring softening treatment and manufacturing method thereof |
| 03/31/2011 | WO2011036352A1 Ferritic stainless steel having high drawability properties |
| 03/31/2011 | WO2011036351A1 Ferritic stainless steel having high drawability properties |
| 03/31/2011 | US20110076508 Magnetic Strip, Sensor Comprising a Magnetic Strip and Process for the Manufacture of a Magnetic Strip |
| 03/31/2011 | US20110076177 High-strength steel sheet for cans and method for manufacturing the same |
| 03/31/2011 | US20110073223 Steel sheet for galvanizing with excellent workability, and method for manufacturing the same |
| 03/31/2011 | US20110073220 Continuous press hardening process and apparatus therefor |
| 03/31/2011 | DE102009051822B3 Method for the production of sheet metal plates with partial different stability characteristics, comprises heating a plate at a temperature, where the heated plate is brought to a shaping tool and then shaped and quenched |
| 03/31/2011 | CA2772528A1 Processes for reducing flatness deviations in alloy articles |
| 03/30/2011 | CN201778065U Online straightening roller way device for steel bar or deformed steel bar thermal treatment production line |
| 03/30/2011 | CN101999009A Steel sheet for high-strength container, and method for manufacturing therefor |
| 03/30/2011 | CN101994067A High-intensity pipe steel and production method thereof |
| 03/30/2011 | CN101994066A Deformation induced maraging stainless steel and machining process thereof |
| 03/30/2011 | CN101994061A Steel for petroleum casing pipe and manufacture method thereof |
| 03/30/2011 | CN101994059A Method for producing thin-wall X70 pipeline steel coiled plate with low cost |
| 03/30/2011 | CN101994058A Quake-proof construction steel with lamellar tearing resistance and excellent performance and production method thereof |
| 03/30/2011 | CN101994057A Steel for vanadium alloying straight electric resistance welded petroleum casing pipe and manufacturing method thereof |
| 03/30/2011 | CN101994056A Ultra-low carbon bake-hardening steel plate with excellent stamping performance and manufacturing process thereof |
| 03/30/2011 | CN101994052A Nitrogen-containing austenitic alloy |
| 03/30/2011 | CN101993988A Method for producing extreme-thin ultra-deep punching cold-rolled sheet by vertical continuous annealing furnace |
| 03/30/2011 | CN101993987A Method for producing extremely thick steel plate with low alloy and high intensity by continuously casting plate blank |
| 03/30/2011 | CN101993981A Production process of 55CrMnBA spring steel |
| 03/30/2011 | CN101992224A Production process of clad steel wire rod with steel core wire of dual phase structure |
| 03/30/2011 | CN101660034B Preparation method of texture controllable fine grain metal material based on large strain deformation and recrystallization |
| 03/30/2011 | CN101643885B Engineering steel with excellent lamellar tearing resisting performance and production method thereof |
| 03/30/2011 | CN101389778B Wire with excellent suitability for drawing and process for producing the same |