| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 04/03/2013 | CN103014259A After-forging hydrogen diffusion and annealing method of forging material |
| 04/03/2013 | CN103014245A Heat treatment workpiece correction treatment method |
| 04/03/2013 | CN103009026A Processing method for rolling scissors with high abrasion resistance and strong shock resistance |
| 04/03/2013 | CN103009020A Manufacturing method for steel cracking connecting rod |
| 04/03/2013 | CN103008372A Method for preparing nonmagnetic cube-textured NiV alloy composite baseband |
| 04/03/2013 | CN103008370A Cooling control method for improving strength of hot rolled ribbed coiled reinforced bars |
| 04/03/2013 | CN102492816B Method for producing high magnetic induction oriented silicon steel strip through batch nitriding |
| 04/03/2013 | CN102383135B Thermal-treatment manufacture process for clutch plate |
| 04/03/2013 | CN102367540B Deep sea pipeline steel produced based on steckel mill and preparation method thereof |
| 04/03/2013 | CN102363831B Rolling and follow-up heat treatment method for high-alumina 310S plate |
| 04/03/2013 | CN102337458B Steel with tensile strength not lower than 1100MPa for engineering machinery and production method thereof |
| 04/03/2013 | CN102312168B Prehardening plastic die steel plate and manufacture method thereof |
| 04/03/2013 | CN102268602B 3Cr oil well pipe and production method thereof |
| 04/03/2013 | CN102199734B High-strength 301L stainless steel used for bus, and manufacture method thereof |
| 04/03/2013 | CN102181794B Hardening and tempering high-strength steel plate for wood based panel equipment and production method of tempering high-strength steel plate |
| 04/03/2013 | CN101994052B Nitrogen-containing austenitic alloy |
| 04/03/2013 | CN101684534B Steel plate adapting to large-linear energy welding and manufacturing method thereof |
| 03/28/2013 | WO2013042239A1 Medium carbon steel sheet for cold working, and method for producing same |
| 03/28/2013 | WO2013041541A1 Quenched and partitioned high-carbon steel wire |
| 03/28/2013 | WO2013040858A1 Austenitic composite antibacterial stainless steel and manufacturing process therefor |
| 03/28/2013 | US20130074996 Method for manufacturing grain oriented electrical steel sheet |
| 03/28/2013 | DE102011054004A1 Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrobands oder -blechs A method for producing a grain-oriented, intended for electrical purposes electric strip or sheet |
| 03/28/2013 | DE102011053941A1 Producing steel element comprising zinc alloy coating, comprises stamping out blank from sheet metal coated with zinc alloy, heating stamped-out blank to temperature, and holding blank at this temperature for predetermined time |
| 03/28/2013 | DE102011053939A1 Producing steel element comprising zinc alloy coating, comprises stamping out blank from sheet metal coated with zinc alloy, heating stamped-out blank to temperature, and holding blank at this temperature for predetermined time |
| 03/28/2013 | CA2848028A1 Medium carbon steel sheet for cold working and method for manufacturing the same |
| 03/27/2013 | EP2573193A1 Method for producing unidirectional electromagnetic steel sheet |
| 03/27/2013 | CN202830099U Recrystallization-control malleableize and strengthening device on cold draw stainless steel wire |
| 03/27/2013 | CN202830098U Copper strip calendaring and annealing integrated device for photovoltaic solder strip |
| 03/27/2013 | CN103003462A Rolled steel bar or wire for hot forging |
| 03/27/2013 | CN103003461A Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring |
| 03/27/2013 | CN102994911A Austenite composite antibacterial stainless steel and preparation method thereof |
| 03/27/2013 | CN102994910A Casting method of gate valve rod |
| 03/27/2013 | CN102994905A Preparation method of micro/nano-structure ultrahigh-strength plastic stainless steel containing Nb |
| 03/27/2013 | CN102994904A Cold-rolled strip for high-precision spring and production method thereof |
| 03/27/2013 | CN102994888A Novel high-chromium ferritic heat resistant steel and thermo-mechanical treatment process |
| 03/27/2013 | CN102994883A High-strength reinforced bar and production method for same |
| 03/27/2013 | CN102994876A Hot-rolled steel plate for oil-gas pipeline compression station and production method thereof |
| 03/27/2013 | CN102994875A Weathering steel and manufacturing method thereof |
| 03/27/2013 | CN102994874A High crack-arresting toughness steel plate with yield strength of 500MPa and production method thereof |
| 03/27/2013 | CN102994873A Production method of yield strength 250MPa-grade cold-rolled magnetic pole steel |
| 03/27/2013 | CN102994717A Online toughening treatment method of high-speed wire rods |
| 03/27/2013 | CN102994716A Quenching self-tempering machining method |
| 03/27/2013 | CN102994715A Method for controlling deformation of 0Cr17Ni4Cu4Nb material cast blade |
| 03/27/2013 | CN102989982A Forging method of driving shaft for gearbox |
| 03/27/2013 | CN102989952A Processing method of wire support clamp |
| 03/27/2013 | CN102989763A Production method of four-segment high-strength aseismic reinforcement |
| 03/27/2013 | CN102330021B Full production process of low-temperature oriented silicon steel |
| 03/27/2013 | CN102321841B Track shoe steel with tensile strength of up to 1300 MPa and manufacturing method thereof |
| 03/27/2013 | CN102268612B X80 steel elbow with low temperature resistance and manufacturing process thereof |
| 03/27/2013 | CN102257167B Method for producing high alloy steel pipe |
| 03/27/2013 | CN102251087B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof |
| 03/27/2013 | CN102242320B Super-hard copper-containing martensite antibiotic stainless steel |
| 03/27/2013 | CN102242307B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof |
| 03/27/2013 | CN102149830B Directional electromagnetic steel plate manufacturing method |
| 03/27/2013 | CN102071359B Ultra-high-intensity automobile structural steel and production method thereof |
| 03/27/2013 | CN102041455B Stainless steel for heat exchanger welded pipe and manufacturing method thereof |
| 03/27/2013 | CN101985679B Short production process for high-silicon steel plate |
| 03/27/2013 | CN101962740B Ferrite stainless steel for automobile exhaust emission system and manufacturing method thereof |
| 03/27/2013 | CN101952471B Steel products and process for production thereof |
| 03/27/2013 | CN101591751B Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof |
| 03/27/2013 | CN101264681B Hot-dip galvannealed steel sheet, steel sheet treated by hot-dip galvannealed layer diffusion and a method of producing the same |
| 03/26/2013 | US8404176 Hybrid method manufacturing apparatus for torsion beam |
| 03/26/2013 | US8404060 Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet |
| 03/21/2013 | WO2013039272A1 Thin cold-rolled steel plate having high strength and high formability, and preparation method thereof |
| 03/21/2013 | WO2013039193A1 Process for producing grain-oriented electromagnetic steel sheet with excellent core loss characteristics |
| 03/21/2013 | WO2013038020A1 Non-grain-oriented higher-strength electrical strip with high polarisation and method for the production thereof |
| 03/21/2013 | WO2013038008A1 Method for producing a non-grain-oriented higher-strength electrical strip and use thereof |
| 03/21/2013 | US20130071687 High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same |
| 03/20/2013 | CN102985576A Ni-containing steel sheet and process for producing same |
| 03/20/2013 | CN102985574A Steel rail and production method thereof |
| 03/20/2013 | CN102985570A Method for producing a hot-formed and heat-treated steel component that is coated with a metal anti-corrosion coating from a sheet steel product |
| 03/20/2013 | CN102985569A Mechanical part made of steel having high properties and process for manufacturing same |
| 03/20/2013 | CN102979956A Warm forging forming method of throttle valve stem |
| 03/20/2013 | CN102978552A Plastic deformation method for cast magnesium-gadolinium-yttrium-neodymium-zirconium (Mg-Gd-Y-Nd-Zr) rare earth magnesium-alloy component |
| 03/20/2013 | CN102978547A Machining method of 3003 aluminum alloy finished foil |
| 03/20/2013 | CN102978538A Smelting process for production of grade II hot-rolled reinforced bar |
| 03/20/2013 | CN102978534A Method for manufacturing high strength and high toughness alloy steel |
| 03/20/2013 | CN102978525A Thin-sized hot-continuous-rolled steel for furniture and method for producing same |
| 03/20/2013 | CN102978512A High-strength painted bundling belt and manufacturing method thereof |
| 03/20/2013 | CN102978511A Method for producing hot-rolled steel plate for automobile girder steel by low cost |
| 03/20/2013 | CN102978490A High-strength, high-conductivity and heat-resisting aluminum alloy bus and production method thereof |
| 03/20/2013 | CN102978484A Al-Fe alloy plate for shell of power battery and preparation method thereof |
| 03/20/2013 | CN102978479A Al-Fe-Be-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978478A Al-Fe-Mn-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978476A Al-Fe-Re-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978475A Al-Fe-Pt-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978474A Al-Fe-Zn-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978473A Al-Fe-Pb-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978472A Al-Fe-Bi-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978470A Al-Fe-Ca-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978469A Al-Fe-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978468A Al-Fe-W-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978467A Al-Fe-Cs-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978465A Al-Fe-Tc-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978463A Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978462A Al-Fe-V-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978461A Al-Fe-Co-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978460A Al-Fe-Ni-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978452A Al-Fe-Sn-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978451A Al-Fe-Ta-RE aluminum alloy, and preparation method and power cable thereof |