| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 07/25/2012 | CN102605243A Wind power H-beams and production method thereof |
| 07/25/2012 | CN102605242A Steel capable of resisting hydrogen-induced cracking for pressure containers and manufacturing method for steel |
| 07/25/2012 | CN102605241A Normalizing type 16MnDR low temperature pressure vessel steel plate and manufacturing method thereof |
| 07/25/2012 | CN102605240A High-strength and high-plasticity dual-phase steel and manufacturing method thereof |
| 07/25/2012 | CN102605238A 50kg grade normalized steel plate with good SR (stress relieving annealing) resistance characteristic and manufacturing method thereof |
| 07/25/2012 | CN102605236A Method of producing level-410 rare earth contained steel pipes for ships |
| 07/25/2012 | CN102605235A High-collapse resistance hot stretch-reducing electric welding (SEW) petroleum casing pipe and manufacturing method thereof |
| 07/25/2012 | CN102605234A 400HB-grade wear-resistant steel and method for manufacturing same |
| 07/25/2012 | CN102605232A Nanometer alloy cast iron grinding ball and preparation method thereof |
| 07/25/2012 | CN102605218A Aluminum-titanium (Al-Ti) alloy wire containing lanthanum (La) and cerium (Ce) and method for manufacturing same |
| 07/25/2012 | CN102605217A La and Nd-containing aluminum titanium alloy wire and production method thereof |
| 07/25/2012 | CN102605159A Waste heat temperature control quenching process method for front axle of large-scale vehicle |
| 07/25/2012 | CN102605155A Pipe fitting processing process for liquefied natural gas deep cooling device |
| 07/25/2012 | CN102605154A Production process for realizing relaxation or online quenching through even times of rolling on medium plate |
| 07/25/2012 | CN102605153A Method for preparing high-silicon electric steel band material through rolling at medium and low temperature |
| 07/25/2012 | CN102605147A Method for carrying out normalizing heat treatment by using waste heat from forging of forged piece |
| 07/25/2012 | CN102601174A Round billet quenching straightening machine |
| 07/25/2012 | CN102162024B Method for eliminating coarse grains on surface layer of low-carbon aluminum killed steel |
| 07/25/2012 | CN102140607B Method for manufacturing hot rolled {111}(112) oriented high-silicon steel plates |
| 07/25/2012 | CN102127701B Production method of hot rolled steel coil for ship building |
| 07/25/2012 | CN102127700B Method for producing hot rolled steel coils for ship building |
| 07/25/2012 | CN102127694B Method for producing hot rolled steel coils for ship building |
| 07/25/2012 | CN102127691B Method for producing hot rolled steel coil |
| 07/25/2012 | CN102127688B Method for producing hot-rolled steel coil for shipbuilding |
| 07/25/2012 | CN102127685B Method for producing hot-rolled steel coil for shipbuilding |
| 07/25/2012 | CN102127682B Method for producing hot rolled steel coils for ship building |
| 07/25/2012 | CN102127676B Method for producing hot rolled steel coils |
| 07/25/2012 | CN102011068B 800 MPa-grade low-yield-ratio structural steel plate and production method thereof |
| 07/25/2012 | CN102002628B Method for manufacturing low-carbon steel sheets |
| 07/25/2012 | CN101985722B Pipeline steel plate with low yield ratio, fine grains and high strength and production method thereof |
| 07/25/2012 | CN101956125B Flexible manufacture method of steel in thin gauge, low alloy and high tensity series |
| 07/25/2012 | CN101855379B Fire-resistant steel material with excellent resistance to reheat embrittlement and with low-temperature toughness at welded heat-affected parts, and manufacturing method thereof |
| 07/25/2012 | CN101845603B Ferrite stainless steel for high temperature-end part of exhaust system of automobile and manufacturing method thereof |
| 07/25/2012 | CN101772584B High-strength steel sheet |
| 07/25/2012 | CN101663411B Process for producing bend pipe for line pipe and bend pipe for line pipe |
| 07/25/2012 | CN101559534B Multi-legged friction-stir welding method for improving properties of welding seam |
| 07/24/2012 | US8226780 Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same |
| 07/24/2012 | CA2600747C High tensile strength steel material having excellent delayed fracture resistance property, and method of manufacturing the same |
| 07/24/2012 | CA2502114C Cold-worked steels with packet-lath martensite/austenite microstructure |
| 07/19/2012 | WO2012096350A1 Grain-oriented magnetic steel sheet and process for manufacturing same |
| 07/19/2012 | WO2012095232A1 Method for producing a hot-rolled flat steel product |
| 07/19/2012 | WO2011079341A8 Thermomechanical treatment method |
| 07/19/2012 | US20120180910 Microstructural optimization of automotive structures |
| 07/19/2012 | CA2823095A1 Method for producing a hot-rolled flat steel product |
| 07/18/2012 | CN202337802U 挤压淬火机床的温控系统 Extrusion quenching machine temperature control system |
| 07/18/2012 | CN102597543A High-strength bolt |
| 07/18/2012 | CN102597291A Wire material for saw wire and method for producing same |
| 07/18/2012 | CN102597290A Hot-rolled steel bar or wire rod |
| 07/18/2012 | CN102597288A Ferrous metal sheet and manufacturing method therefor |
| 07/18/2012 | CN102592771A Novel antitheft tag magnetic material, production process thereof and acoustic magnetic antitheft tag |
| 07/18/2012 | CN102586696A 7Ni steel applied to cryogenic environment and preparation process thereof |
| 07/18/2012 | CN102586690A Wear-resisting steel for slurry delivery pipe line and production method of wear-resisting steel |
| 07/18/2012 | CN102586688A Double-phase steel plate and manufacturing method thereof |
| 07/18/2012 | CN102586686A Clean corrosion-resistant steel for ocean engineering and manufacturing method thereof |
| 07/18/2012 | CN102586673A Method for improving DWTT (drop weight tear test) index of X70 pipeline steel |
| 07/18/2012 | CN102586649A Deformation zinc alloy, as well as manufacturing method and application thereof |
| 07/18/2012 | CN102586563A Method for producing hot rolled ribbed bars by controlling austenite strain accumulation after finished rolling |
| 07/18/2012 | CN102586562A Production process for shock-proof disaster-relieving hot rolled transformation-induced plasticity (TRIP) steel plates |
| 07/18/2012 | CN102586561A Processing technology of large-size high-strength magnesium alloy sheet |
| 07/18/2012 | CN102586560A Production process and equipment for alloy profiles, alloy bars or alloy row materials |
| 07/18/2012 | CN102586559A Manufacture technology of high-toughness microalloyed non-quenched and tempered steel forging |
| 07/18/2012 | CN102586558A Manufacture technology for improving toughness of non-quenched and tempered steel forging |
| 07/18/2012 | CN102581570A Broaching process |
| 07/18/2012 | CN102581555A P91 seamless steel pipe and method for manufacturing same |
| 07/18/2012 | CN102581008A Processing method for producing low-cost high-formability IF (interstitial-free) steel |
| 07/18/2012 | CN102121081B Method for manufacturing delivery steel pipe serving acid environment |
| 07/18/2012 | CN101994056B Ultra-low carbon bake-hardening steel plate with excellent stamping performance and manufacturing process thereof |
| 07/18/2012 | CN101993988B Method for producing extreme-thin ultra-deep punching cold-rolled sheet by vertical continuous annealing furnace |
| 07/18/2012 | CN101993987B Method for producing extremely thick steel plate with low alloy and high intensity by continuously casting plate blank |
| 07/18/2012 | CN101985725B 780MPa grade low yield ratio steel plate for buildings and manufacturing method thereof |
| 07/18/2012 | CN101948984B Steel plate for heavy-duty generator and manufacturing method thereof |
| 07/18/2012 | CN101896626B Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are controlled by laser beam application |
| 07/18/2012 | CN101691627B Device for producing high-speed steel pre-hardening material |
| 07/18/2012 | CN101654765B Gap-free hot-rolled steel strip |
| 07/18/2012 | CN101654764B Iron-nickel based highly elastic alloy, capillary pipe thereof and method for manufacturing capillary pipe |
| 07/18/2012 | CN101125473B Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same |
| 07/17/2012 | US8221564 Method for manufacturing high strength steel strips with superior formability and excellent coatability |
| 07/17/2012 | US8221562 Compact strip or thin slab processing of boron/titanium steels |
| 07/12/2012 | WO2012067379A3 Method for manufacturing high-strength cold-rolled/hot-rolled dp steel having a tensile strength grade of 590 mpa and excellent workability, as well as little deviation in the material properties thereof |
| 07/12/2012 | WO2012064129A3 Method for manufacturing high-strength cold-rolled/hot-rolled trip steel having a tensile strength of 590 mpa grade, superior workability, and low mechanical-property deviation |
| 07/12/2012 | WO2012028111A8 Steel rail for high speed and quasi-high speed railways and manufacturing method thereof |
| 07/12/2012 | US20120175029 Method and apparatus for manufacturing a bent product |
| 07/12/2012 | US20120175028 High strength steel sheet and method for manufacturing the same |
| 07/12/2012 | DE102011000089A1 Verfahren zum Herstellen eines warmgewalzten Stahlflachprodukts A method for manufacturing a hot-rolled flat steel product |
| 07/11/2012 | EP2474635A1 Ferritic stainless steel having excellent heat resistance |
| 07/11/2012 | EP1966399B1 Method for producing a cold-rolled strip with a ferritic structure |
| 07/11/2012 | CN202322933U 高韧性超高强钢的生产系统 Ultra high strength and high toughness steel production system |
| 07/11/2012 | CN202316661U 一种矫直钢板的装置 Apparatus for straightening steel |
| 07/11/2012 | CN1813074B Improved method for production of non-oriented electrical steel strip. |
| 07/11/2012 | CN102575328A Steel for induction hardening, induction-hardened steel parts, and process for production of same |
| 07/11/2012 | CN102575314A Low-core-loss, high-magnetic-flux density, grain-oriented electrical steel sheet and production method therefor |
| 07/11/2012 | CN102575308A Process for producing an ultra-low-carbon steel slab, strip or sheet |
| 07/11/2012 | CN102560298A Heat treatment method particularly applicable to spinning plastic forming of aluminum alloy extruded tube |
| 07/11/2012 | CN102560295A Thermal processing method for improving aluminum alloy stamping forming |
| 07/11/2012 | CN102560287A X90 steel bent pipe and bending method thereof |
| 07/11/2012 | CN102560286A Non-magnetic hard-section nickel austenitic stainless steel and preparation method thereof |
| 07/11/2012 | CN102560284A High-strength high-toughness X100 pipeline steel hot-rolled steel strip and manufacturing method thereof |
| 07/11/2012 | CN102560283A Big-caliber seamless alloy steel pipe |
| 07/11/2012 | CN102560268A Ultra-low carbon high strength stainless steel thin pipe and manufacturing method thereof |
| 07/11/2012 | CN102560266A High-wear-resistant steel for knitting needle and manufacturing method thereof |