Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
02/2013
02/06/2013CN102912244A 780MPa-grade tensile strength hot rolling double-phase steel plate and manufacture method thereof
02/06/2013CN102912243A ERW-X80 hot rolling coiled plate and manufacture method thereof
02/06/2013CN102912236A High-performance and abrasion-resistant hot work die steel and technology for manufacturing same
02/06/2013CN102912235A Hot-rolled dual-phase steel in 590MPa tensile strength grade and method for manufacturing hot-rolled dual-phase steel
02/06/2013CN102912234A Manufacturing method for strain ageing resistant E36 level large thickness ship plate steel
02/06/2013CN102912232A Ultra-deep-draw Ti-IF steel cold rolling and annealing process
02/06/2013CN102912231A Production method for ultrahigh strength steel plate
02/06/2013CN102912230A 690MPa-grade electric resistance welding petroleum sleeve and manufacture method thereof
02/06/2013CN102912229A 390MPa-grade low-cost hot rolling structural steel plate and manufacture method thereof
02/06/2013CN102912226A Secondary work brittleness resistant DC06 automotive steel and production method thereof
02/06/2013CN102912224A Production method for low-alloy medium-thickness steel plate
02/06/2013CN102912223A Production method for low-alloy medium-thick steel sheet
02/06/2013CN102912222A 18MND5 low-alloy structural steel for nuclear power and technical control method for 18MND5 low-alloy structural steel
02/06/2013CN102912221A Large-thickness structural steel plate for high-rise building and production method thereof
02/06/2013CN102912219A High-strength plastic accumulation TRIP (Transformation-Induced Plasticity) steel plate and preparation method thereof
02/06/2013CN102912193A High-conductivity creep-resistant aluminum-alloy conductor and manufacturing method thereof
02/06/2013CN102912192A 1050 alloy CTO (computer-to-plate) substrate and preparation method thereof
02/06/2013CN102912178A High-strength and high-conductivity rare-earth copper alloy and preparation method thereof
02/06/2013CN102912175A Preparation method of gold-tin alloy solder foil
02/06/2013CN102912104A Production method for improving isotropy of electromagnetic performance of medium and high-grade products of non-oriented electrical steel
02/06/2013CN102912103A Production method for non-oriented electric steel product with high longitudinal electromagnetic performance
02/06/2013CN102912102A Manufacturing method of GCr15 coiled cold-drawn material for cold extrusion of metal structural part
02/06/2013CN102912101A Production process of 65 Mn spring steel wire rod and 65 Mn spring steel wire rod
02/06/2013CN102912100A Micro deformation processing technique of OCr17Ni4Cu4Nb material thin-wall gear parts
02/06/2013CN102909236A Preparing method of wide-width pure titanium roll
02/06/2013CN102321843B Galvanized steel for communication tower and production method thereof
02/06/2013CN102191434B Thick steel plate with great large line energy and low temperature toughness
02/06/2013CN102021499B Method for manufacturing high-strength pipe steel
02/06/2013CN101984123B Preparation method of stainless steel coach plate for high-speed train
02/05/2013US8366844 Method of making hot rolled dual phase steel sheet
02/05/2013CA2680623C Steel for tool-less hot forming or quenching with improved ductility
02/05/2013CA2667534C Seamless steel tube for an airbag accumulator and a process for its manufacture
01/2013
01/31/2013WO2012164579A4 Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel
01/31/2013US20130025747 Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part
01/31/2013US20130025746 Twin roll sheet casting of bulk metallic glasses and composites in an inert environment
01/31/2013US20130025337 Gasket-Oriented Steel Plate Manufacturing Method, and Gasket
01/30/2013EP2551366A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor
01/30/2013EP2551365A1 High-strength steel plate with excellent warm workability
01/30/2013CN202705415U End cap for preventing decarburization of inner wall of double metal wear resistant pipe
01/30/2013CN202705413U Semicircular plate production device
01/30/2013CN102906296A Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same
01/30/2013CN102906295A Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same
01/30/2013CN102906292A Seamless steel pipe for line pipe and method for producing the same
01/30/2013CN102906289A Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor
01/30/2013CN102906283A Process for production of unidirectional electromagnetic steel sheet
01/30/2013CN102899589A High-strength non-tempered bainite steel and preparation method thereof
01/30/2013CN102899587A Double phase stainless steel and manufacturing method thereof
01/30/2013CN102899584A Method for reducing ductile-brittle transition temperature of martensitic high strength steel
01/30/2013CN102899582A High strength nickel base corrosion resistance alloy and manufacturing method thereof
01/30/2013CN102899580A Large cross section austenite stainless steel thick plate and manufacturing method thereof
01/30/2013CN102899579A Large power engine crankshaft and manufacturing method
01/30/2013CN102899578A Iron-nickel-chromium alloy oil casing and manufacturing method thereof
01/30/2013CN102899576A 590 MPa level low-yield-ratio steel plate for automobile and production method thereof
01/30/2013CN102899575A Non-quenched and tempered steel used for welding and electroplating hydraulic rod and production method thereof
01/30/2013CN102899573A Steel and manufacturing method for high strength wear resistance casing
01/30/2013CN102899571A Pre-hardening type plastic mold steel and manufacturing method thereof
01/30/2013CN102899569A Production method of wide and heavy steel plate with excellent ultra-low-temperature toughness used for offshore wind power
01/30/2013CN102899565A Steel for cold rolling enamel, and manufacturing method thereof
01/30/2013CN102899564A Extra-deep drawing Ti+Nb-IF steel cold rolling and annealing process
01/30/2013CN102899563A Method for producing ultrahigh-strength steel plate
01/30/2013CN102899562A Complex phase-type high-strength low-carbon bainitic medium and heavy steel plate and production method thereof
01/30/2013CN102899561A High-strength cold forming steel sheet and manufacturing method thereof
01/30/2013CN102899560A Steel plate used for glass lining and production method thereof
01/30/2013CN102899557A Production method of low-alloy medium plate
01/30/2013CN102899556A Production method for low-alloy medium-thick steel plate
01/30/2013CN102899553A Novel boron-containing hot rolled coil and production method thereof
01/30/2013CN102899536A Preparation process of hydrophilic foil of air conditioner
01/30/2013CN102899530A Production method for novel aluminum alloy heat dissipater flat tube
01/30/2013CN102899520A Rolled copper foil and the method to make it, negative electrode for lithium ion secondary battery using it
01/30/2013CN102899508A High-strength pure titanium material
01/30/2013CN102899470A Method for controlling decarburization on surfaces of medium-carbon cold forging steel wires
01/30/2013CN102899450A Method for avoiding separation of fracture test samples
01/30/2013CN102899449A Production technology of extra thick steel plate with super detection standard
01/30/2013CN102367556B Drilling steel
01/30/2013CN102363874B Heat-resisting and wear-resisting drill tool steel and preparation method thereof
01/30/2013CN102046826B Steel for heat treatment
01/30/2013CN102011055B Method for manufacturing hard bainite bearing
01/30/2013CN101748347B Ultrahigh-strength steel sheet excellent in hydrogen embrittlement resistance and workability, and manufacturing method therefor
01/29/2013US8362393 Method for improving residual stress in tubular body and apparatus for improving residual stress in tubular body
01/29/2013US8361243 Method of forming {100} texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel sheet manufactured by using the same
01/24/2013WO2013012161A1 Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt
01/24/2013WO2013012103A1 Hot press forming steel plate, formed member using same, and method for manufacturing the plate and member
01/24/2013WO2013011791A1 Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same
01/24/2013US20130020000 Method of forming a stamped article
01/24/2013DE102011108162A1 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
01/24/2013DE102009003508B4 Verfahren zur Herstellung eines pressgehärteten Metallbauteils A method for producing a press-hardened metal member
01/23/2013EP2548987A1 Seamless steel pipe for steam injection, and method of manufacturing same
01/23/2013EP2548977A1 Method for producing directional electromagnetic steel sheet
01/23/2013EP2547800A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness
01/23/2013EP2547799A2 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same
01/23/2013CN102888576A Novel thermo-mechanical treatment method for improving toughness of 2618 heat-resistant aluminum alloy
01/23/2013CN102888574A Hot forming method for aluminum alloy pipe parts based on solid solution water quenching
01/23/2013CN102888571A 690MPa-level low weld crack sensitive steel and production method thereof
01/23/2013CN102888568A Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof
01/23/2013CN102888566A Medical high-nitrogen nickel-free austenitic stainless steel material and production method thereof
01/23/2013CN102888565A High-strength steel plate with yield strength at 690MPa level and manufacture method thereof
01/23/2013CN102888560A Large-thickness quenched and tempered high-strength steel plate for ocean engineering and production method thereof
01/23/2013CN102888557A High-strength and low-expansion coefficient alloy wire and manufacturing method thereof
01/23/2013CN102888556A Deformed reinforced bar for American standard concrete and production method thereof
01/23/2013CN102888542A Preparation method of copper-aluminum alloy electric conductor
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