| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 02/27/2013 | CN102943217A Cold rolling steel strip and production method thereof |
| 02/27/2013 | CN102943215A Backing material for double metal composite saw blade, and preparation method thereof |
| 02/27/2013 | CN102943214A Automotive cold-rolled diaphragm spring steel and production method thereof |
| 02/27/2013 | CN102943213A Abrasion-resistant steel for low-alloy ultra-high strength engineering machine and preparation method thereof |
| 02/27/2013 | CN102943206A High-strength hot rolled steel strip with improved zonal structure by manganese reduction and manufacturing method thereof |
| 02/27/2013 | CN102943205A Ferrite/bainite hot-rolled dual-phase steel with tensile strength level of 580MPa and preparation method thereof |
| 02/27/2013 | CN102943203A Hot-rolled H-section steel having yield strength in 700MPa level and preparation method thereof |
| 02/27/2013 | CN102943202A Fe-Al-B magnetostrictive thin piece material and preparation method thereof |
| 02/27/2013 | CN102943200A Method for producing low-carbon thin pickling steel with yield ratio less than or equal to 0.8 through CSP (cast steel plate) process |
| 02/27/2013 | CN102943165A Method for obtaining flat stainless steel belt |
| 02/27/2013 | CN102943164A High yield-strength ratio SPCC (steel plate cold commercial) thin steel plate cold rolling and continuous annealing process method |
| 02/27/2013 | CN102941413A Method for reducing iron loss of oriented silicon steel through multiple times of laser grooving |
| 02/27/2013 | CN102941237A Method for manufacturing low-hardness steel wire |
| 02/27/2013 | CN102941227A Production process for middle-width hot rolling strip steel for cold rolling |
| 02/27/2013 | CN101845591B Copper-steel composite material and preparation method thereof |
| 02/21/2013 | WO2013024899A1 Non-oriented electromagnetic steel sheet, method for producing same, laminate for motor iron core, and method for producing said laminate |
| 02/21/2013 | WO2013024894A1 Non-oriented electromagnetic steel sheet, method for producing same, laminate for motor iron core, and method for producing said laminate |
| 02/21/2013 | WO2013024874A1 Method for producing oriented electromagnetic steel sheet |
| 02/21/2013 | WO2013024772A1 Method for producing oriented magnetic steel sheet |
| 02/21/2013 | WO2013023903A1 Method for operating a continuous annealing line for the processing of a rolled good |
| 02/21/2013 | US20130042950 Hot rolling mill and method for hot rolling a metal strip or sheet |
| 02/21/2013 | DE112004000474B4 Verfahren zur Herstellung einer hochfesten Feder A process for producing a high-strength spring |
| 02/21/2013 | DE102011108162B4 Verfahren zur Herstellung eines Bauteils durch Warmumformen eines Vorproduktes aus Stahl A process for the production of a component by hot forming of a precursor of steel |
| 02/21/2013 | DE102004003541B4 Stahl zur Verwendung in einer hochfesten Ritzelwelle und Herstellungsverfahren hierfür Steel for use in high strength pinion shaft and manufacturing method thereof |
| 02/20/2013 | EP2559783A1 High-strength hot-rolled steel plate exhibiting excellent stretch flangeability and fatigue resistance properties, and production method therefor |
| 02/20/2013 | EP2559775A1 Method for manufacturing a grain-oriented electrical steel sheet |
| 02/20/2013 | CN102939394A Method of producing an austenitic steel |
| 02/20/2013 | CN102936695A High-strength low-temperature pressure vessel steel plate and production method thereof |
| 02/20/2013 | CN102936691A Method for manufacturing oil casings made of R95-grade steel containing rare earth |
| 02/20/2013 | CN102936687A 110ksi-level ERW (electric resistance welding) steel belt for oil casings and production method thereof |
| 02/20/2013 | CN102936686A Production method of L80-1 steel-grade oil casings with low cost |
| 02/20/2013 | CN102936684A Production method of non-quenched-and-tempered oil-storage-tank-used 12MnNiVR steel plate |
| 02/20/2013 | CN102936682A Production method of N80Q steel-grade oil casings |
| 02/20/2013 | CN102936644A Method for improving magnetic property of twin roll strip casting non-oriented electrical steel |
| 02/20/2013 | CN102330030B Seamless steel pipe with diameter of between 559 and 711mm for vehicular high-pressure gas cylinder and production method thereof |
| 02/20/2013 | CN102172816B Method for producing high-strength hot rolling valve snail |
| 02/19/2013 | US8377235 Process for forming steel |
| 02/19/2013 | CA2683739C Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness and method of production of the same |
| 02/19/2013 | CA2316332C Austenitic stainless steel including columbium |
| 02/14/2013 | US20130037182 Mechanical part made of steel having high properties and process for manufacturing same |
| 02/14/2013 | US20130037181 Integrated processing method for sheet steel hot stamping and heat treatment |
| 02/14/2013 | US20130037180 High-strength cold-rolled steel sheet and method of manufacturing thereof |
| 02/13/2013 | EP2557195A1 Spring steel and method of manufacture for same |
| 02/13/2013 | EP2557191A1 Wire material for saw wire and method for producing same |
| 02/13/2013 | EP2557185A1 Armature en acier profilée et laminée à chaud pour pièces en béton armé dotées d'une résistance au feu améliorée et son procédé de fabrication |
| 02/13/2013 | EP2557184A1 Hot-rolled profiled steel reinforcement for reinforced concrete with improved fire resistance and method for producing same |
| 02/13/2013 | EP2557183A1 Method for operating a continuous annealing line for processing a milled item |
| 02/13/2013 | EP2556175A2 Mechanical part made of steel having high properties and process for manufacturing same |
| 02/13/2013 | CN102925826A Integral panel creep aging forming tool based on autoclave |
| 02/13/2013 | CN102925821A Steel for non-magnetic high-strength corrosion-resisting drill collar and manufacture method of steel |
| 02/13/2013 | CN102925817A Cold-rolled steel sheet with yield strength of 980 MPa grade and manufacturing method thereof |
| 02/13/2013 | CN102925816A Non-oriented silicon steel for electric drive motor and production method thereof |
| 02/13/2013 | CN102925814A Steel for hydrogen sulfide stress corrosion resisting pressure container and production method of steel |
| 02/13/2013 | CN102925812A Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring |
| 02/13/2013 | CN102925809A Low-alloy steel preparation method capable of simultaneously obtaining reversed austenite and nanometer precipitate |
| 02/13/2013 | CN102925806A Y55 mark free-cutting steel plate and manufacture method thereof |
| 02/13/2013 | CN102925805A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925804A Method for producing ultrahigh strength steel plate |
| 02/13/2013 | CN102925803A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925802A Method for producing ultrahigh strength steel plate |
| 02/13/2013 | CN102925801A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925800A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925799A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925796A Non-alloyed ultra-low carbon structure cold-rolled sheet and production method thereof |
| 02/13/2013 | CN102925795A Production method for controlling transverse and longitudinal electromagnetic properties of low and medium grade products of non-oriented electrical steel |
| 02/13/2013 | CN102925794A Cold-rolled steel strip for double-layer welded tube |
| 02/13/2013 | CN102925793A Non-oriented electrical steel with magnetic induction greater than or equal to 1.8 T and production method thereof |
| 02/13/2013 | CN102925791A Steel easy to pickle and production method of steel |
| 02/13/2013 | CN102925790A Method for producing high-strength and elongation product automobile steel plate by continuous annealing technology |
| 02/13/2013 | CN102925783A Method for preparing hypereutectic high chromium white cast iron |
| 02/13/2013 | CN102925659A Annealing control system of intermediate wire drawing machine |
| 02/13/2013 | CN102925657A Rolling deformation quenching composite reinforcing method of middle carbon alloyed steel bearing ring piece |
| 02/13/2013 | CN102925651A Heat treatment processing method for high-speed production of small-diameter, high-strength and high-plasticity steel |
| 02/13/2013 | CN102925650A Method for manufacturing TA19 titanium alloy large-size bar |
| 02/13/2013 | CN102925649A Manufacture method of austenitic stainless steel with good polishing performance |
| 02/13/2013 | CN102925648A Manufacturing method of high-strength steel plate for 500Mpa-grade truck bed |
| 02/13/2013 | CN102922228A Valve manufacturing process for improving impact toughness of F92 butt welding heat affected area |
| 02/13/2013 | CN102921907A Method of producing 3004 aluminium alloy strips in cast-rolling mode |
| 02/13/2013 | CN102921851A Gear sleeve production method and gear sleeve production system |
| 02/13/2013 | CN102392187B Cr-containing pipeline steel X70 hot-rolled plate and production method |
| 02/13/2013 | CN102181619B Method for manufacturing non-tempering low-carbon bainite type high-strength steel plate of 1000Mpa grade |
| 02/13/2013 | CN102121060B Method for improving strength and toughness of high-strength steel for coal machine by utilizing ultra-fast cooling and steel plate self-tempering technologies |
| 02/13/2013 | CN101952462B Grain oriented electrical steel having excellent magnetic properties and manufacturing method for the same |
| 02/13/2013 | CN101875059B Method for manufacturing 1,860MPa ultrahigh strength hotly-galvanized steel wire with diameter of 5.0 millimeters |
| 02/13/2013 | CN101696121B High-temperature graphite carbon bush and production method |
| 02/12/2013 | US8372221 Manufacturing method of steel sheet for cans |
| 02/07/2013 | WO2013018893A1 Untempered steel for hot casting, hot-casted untempered article and method for producing same |
| 02/07/2013 | WO2013018564A1 Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness |
| 02/07/2013 | US20130032253 High-strength galvanized steel sheet having excellent formability and method for manufacturing the same |
| 02/07/2013 | CA2840816A1 High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereof |
| 02/06/2013 | EP2554706A1 Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same |
| 02/06/2013 | EP2554705A1 Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same |
| 02/06/2013 | EP2554704A1 High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing |
| 02/06/2013 | EP2554701A1 Ferritic stainless steel sheet superior in surface glossiness and corrosion resistance and method for producing same |
| 02/06/2013 | EP2554685A1 Directional electromagnetic steel plate and method for manufacturing same |
| 02/06/2013 | CN102918173A High-strength hot-rolled steel plate exhibiting excellent stretch flangeability and fatigue resistance properties, and production method therefor |
| 02/06/2013 | CN102912270A Hot-working process capable of improving cogging for titanium alloy cast ingot |
| 02/06/2013 | CN102912253A High-frequency straight welded pipe and manufacturing method thereof |
| 02/06/2013 | CN102912251A High strength microstress steel and production process thereof |
| 02/06/2013 | CN102912249A Electromagnetic stainless steel and manufacturing method thereof |