| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 03/20/2013 | CN102978448A Al-Fe-Ba-RE aluminum alloy, and preparation method and power cable thereof |
| 03/20/2013 | CN102978439A Preparation method of Ti-25Nb alloy sheet |
| 03/20/2013 | CN102978363A Method for preparing duplex stainless steel special pipe for hydraulic cylinder |
| 03/20/2013 | CN102978362A Thermal control and cold control process of ultralow-carbon fiber steel |
| 03/20/2013 | CN102974742A Processing method of movable fork |
| 03/20/2013 | CN102974729A Machining method of automobile engine left plate |
| 03/20/2013 | CN102560047B Method for controlling grain-boundary embrittlement of high-carbon steel coil rods |
| 03/20/2013 | CN102400072B Method for producing magnesium and magnesium alloy plates |
| 03/20/2013 | CN102363832B Production technology of finish-rolled ribbed bars |
| 03/20/2013 | CN102277530B Pipeline steel with thickness more than or equal to 25mm for deep sea and production method thereof |
| 03/20/2013 | CN102268520B Heat treatment method for high-strength wear-resistant steel plates |
| 03/20/2013 | CN102234706B Method for refining grains of heavy forging steel of nuclear reactor evaporator |
| 03/20/2013 | CN102226252B High-toughness carburized bearing steel with ultra-long contact fatigue life and preparation method thereof |
| 03/20/2013 | CN101956137B Seamless steel tube for manufacturing hollow core rod and production method |
| 03/20/2013 | CN101914725B Low-carbon ultra-deep punching cold-rolling steel sheet and production method thereof |
| 03/20/2013 | CN101914724B Substrate for strapping band and production method thereof |
| 03/20/2013 | CN101760696B Anti-radiation alloy material |
| 03/14/2013 | WO2013035848A1 Medium carbon steel sheet, quenched member, and method for manufacturing medium carbon steel sheet and quenched member |
| 03/14/2013 | WO2013034317A1 Low density high strength steel and method for producing said steel |
| 03/14/2013 | US20130066001 Pvc reinforced composites |
| 03/14/2013 | DE112010003614T5 Hochfeste Schraube High-strength screw |
| 03/13/2013 | EP2568056A2 High-strength and high-toughness ultrafine wire rod and method for producing same |
| 03/13/2013 | EP2566989A1 Process for hot rolling steel strips and hot rolling train |
| 03/13/2013 | CN102971095A High-strength steel wire having improved mold life for cold forming and method for manufacturing same |
| 03/13/2013 | CN102965605A High-strength plastic nano structural zirconium metal and preparation method thereof |
| 03/13/2013 | CN102965604A Method for preparing AZ31B magnesium alloy sheets |
| 03/13/2013 | CN102965592A Method for producing ocean engineering steel plate with low compression ratio, thick specification and ultrahigh strength |
| 03/13/2013 | CN102965591A High-strength steel rolling hot-forming technology |
| 03/13/2013 | CN102965589A Mechanical expanding machine pull rod shaft with high fatigue strength and preparation method thereof |
| 03/13/2013 | CN102965580A High-carbon martensitic stainless steel |
| 03/13/2013 | CN102965573A High-strength thin steel plate produced by CSP (cast steel plate) process and preparation method of plate |
| 03/13/2013 | CN102965572A High-strength high-flexibility steel plate and manufacture method thereof |
| 03/13/2013 | CN102965569A Hot rolling phase change inducing plastic steel plate and manufacturing method thereof |
| 03/13/2013 | CN102965568A Phase-change toughened low-alloy steel plate and preparation method thereof |
| 03/13/2013 | CN102965487A Preparation method of cold-rolled deep punching plate |
| 03/13/2013 | CN102965486A Technology for solving incomplete cleaning of acid washing on cold-rolled base material surface by virtue of steel rolling process |
| 03/13/2013 | CN102534155B Method for improving thickness of decarburized layer of small square billet of tire cord steel |
| 03/13/2013 | CN102367547B Manufacture method of high-silicon aluminum content non-oriented silicon steel strip |
| 03/13/2013 | CN102274936B Method for manufacturing non-oriented silicon steel plate based on twin-roll thin strip continuous casting technology |
| 03/13/2013 | CN102199721B Manufacture method of high-silicon non-oriented cold-rolled sheet |
| 03/13/2013 | CN102181804B Steel plate for Class I nuclear key equipment and manufacturing method thereof |
| 03/13/2013 | CN102168225B YP100MPa steel plate and manufacture method thereof |
| 03/13/2013 | CN102102140B Large arc casting calibrating method |
| 03/13/2013 | CN102046829B High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same |
| 03/13/2013 | CN101724783B Heat resisting type alloy structure steel plate and method for producing same |
| 03/12/2013 | US8394213 Process for coating a hot- or cold- rolled steel strip containing 6−30% by weight of MN with a metallic protective layer |
| 03/07/2013 | WO2013031640A1 Wire material for non-refined machine component; steel wire for non-refined machine component; non-refined machine component; and method for manufacturing wire material for non-refined machine component, steel wire for non-refined machine component, and non-refined machine component |
| 03/07/2013 | WO2013031587A1 Rolled steel bar or wire for hot forging |
| 03/07/2013 | WO2013031105A1 Hot-rolled steel sheet for cold-rolled steel sheet, hot-rolled steel sheet for hot-dipped galvanized steel sheet, method for producing hot-rolled steel sheet for cold-rolled steel sheet, and method for producing hot-rolled steel sheet for hot-dipped galvanized steel sheet |
| 03/07/2013 | WO2013030157A2 Method for producing a press-hardened molded part, and press-hardening tool |
| 03/07/2013 | US20130058773 Method of manufacturing material for rotary machine component, method of manufacturing rotary machine component, material for rotary machine component, rotary machine component, and centrifugal compressor |
| 03/07/2013 | US20130056114 Twist-axle with longitudinally-varying wall thickness |
| 03/07/2013 | CA2845611A1 Wire material for non-heat treated component, steel wire for non-heat treated component, and non-heat treated component and manufacturing method thereof |
| 03/06/2013 | EP2565288A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same |
| 03/06/2013 | EP2565287A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| 03/06/2013 | CN102959119A Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same |
| 03/06/2013 | CN102959118A High-strength hot-rolled steel sheet having excellent stretch flangeability and method for producing same |
| 03/06/2013 | CN102959117A High-tension/hot-rolled steel sheet having excellent workability, and method for producing same |
| 03/06/2013 | CN102959115A Steel wire material and process for producing same |
| 03/06/2013 | CN102959114A Hot-rolled steel sheet and method for producing same |
| 03/06/2013 | CN102959113A Abrasion-resistant steel plate or sheet with excellent weld toughness and delayed fracture resistance |
| 03/06/2013 | CN102959112A Wear-resistant steel sheet having excellent welded part toughness and lagging destruction resistance properties |
| 03/06/2013 | CN102959098A Electroseamed steel pipe and process for producing same |
| 03/06/2013 | CN102953018A High-strength pipeline steel, steel pipe and manufacture method thereof |
| 03/06/2013 | CN102953016A 600HB-grade wear-resistant steel plate and manufacturing method thereof |
| 03/06/2013 | CN102953012A Ultrahigh-strength welding structure steel plate and its manufacturing method |
| 03/06/2013 | CN102953005A High-carbon and low-alloy steel wire rod for producing fine steel wires, and its manufacturing method |
| 03/06/2013 | CN102953004A High-strength complex phase steel plate and manufacturing method thereof |
| 03/06/2013 | CN102953003A Pipeline steel and manufacturing method thereof |
| 03/06/2013 | CN102953001A Cold-rolled steel sheet with tensile strength larger than 900 MPa and manufacturing method thereof |
| 03/06/2013 | CN102953000A Ultrahigh-strength steel plate and its manufacturing method |
| 03/06/2013 | CN102952998A 800MPa-grade hot-rolling transformation induced plasticity steel plate and its manufacturing method |
| 03/06/2013 | CN102952996A High-elongation cold-rolled TRIP (Transformation-Induced Plasticity) steel plate and preparation method thereof |
| 03/06/2013 | CN102952994A Fire-resistant and earthquake-resistant steel for construction and production method thereof |
| 03/06/2013 | CN102952933A Process for improving Incoloy 800 alloy pipe corrosion resistance |
| 03/06/2013 | CN102330017B Production method of superthick steel plate by using continuous casting billet in condition of small compression ratio |
| 03/06/2013 | CN102051461B Surface strengthening method for magnetic yoke pull rod |
| 03/06/2013 | CN102046827B Method for manufacturing very high strength, cold-rolled, dual phase steel sheets, and sheets thus produced |
| 03/06/2013 | CN101655002B Oil layer-section oil casing pipe for exploiting thick oil by method of combustion drive and production method thereof |
| 03/06/2013 | CN101528968B Method for manufacturing flat steel products from a multiphase steel alloyed with silicon |
| 03/05/2013 | US8389128 High tensile-strength galvanized steel sheet and process for manufacturing high tensile-strength galvanized steel sheet |
| 03/05/2013 | CA2757223C Steel for welded structure and producing method thereof |
| 02/28/2013 | WO2013027779A1 Thick-walled electric-resistance-welded steel pipe and process for producing same |
| 02/28/2013 | US20130053939 Method for manufacturing cylindrical nitinol objects from sheet |
| 02/28/2013 | US20130048161 High strength press-formed member and method for manufacturing the same |
| 02/28/2013 | US20130048160 Press hardening plant and a method of press hardening a steel sheet blank |
| 02/28/2013 | US20130048156 Case hardening steel and manufacturing method thereof |
| 02/28/2013 | US20130048155 High-strength galvanized steel sheet having excellent formability and spot weldability and method for manufacturing the same |
| 02/28/2013 | US20130048154 Method for manufacturing a metal assembly having a sheet of thermally treated aluminum to obtain alpha alumina and another sheet having surface irregularities that become embedded in said surface during roll bonding |
| 02/28/2013 | US20130048150 Method for producing workpieces from lightweight steel having material properties that are adjustable across the wall thickness |
| 02/28/2013 | DE19908407B4 Hochfeste Ventilfeder und Verfahren zu ihrer Herstellung High-strength valve spring and process for their preparation |
| 02/28/2013 | CA2832021A1 Thick wall electric resistance welded steel pipe and method of production of same |
| 02/27/2013 | EP2562286A1 High strength hot-dip galvanized steel sheet with superior workability and production method therefor |
| 02/27/2013 | EP2562272A2 Method for producing steel product having excellent mechanical properties, steel product produced with the method and its use |
| 02/27/2013 | EP2562271A1 Integrative treating process for punching steel |
| 02/27/2013 | EP2562034A1 Profile component for a vehicle seat, method and device for producing a profile component |
| 02/27/2013 | EP2561946A1 Structural component of a vehicle and manufacturing method |
| 02/27/2013 | EP2561108A2 Method and device for hot forming and heat treating of coated metal sheet |
| 02/27/2013 | CN102947471A Oriented electromagnetic steel plate production method |
| 02/27/2013 | CN102943218A Steel 27Cr2Ni3SiMn2Mo for spinner roller and preparation technology thereof |