Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
03/2014
03/19/2014CN102690992B Method for producing casing pipe for thickened oil thermal production well
03/19/2014CN102650016B Manufacturing method for high-magnetic induction low-cost 250 MPa cold-rolled magnetic pole steel
03/19/2014CN102632082B Performance prediction model based dynamic control method for mechanical property of hot strip
03/19/2014CN102605248B Thick steel plates for high heat input welding and production method thereof
03/19/2014CN102560284B High-strength high-toughness X100 pipeline steel hot-rolled steel strip and manufacturing method thereof
03/13/2014WO2014038759A1 Ferritic lightweight high-strength steel sheet having excelent stiffness and ductility, and method of manufacturing the same
03/13/2014WO2014038200A1 Thick-walled, high tensile strength steel with excellent ctod characteristics of the weld heat-affected zone, and manufacturing method thereof
03/13/2014WO2014037627A1 Process for manufacturing press-hardened coated steel parts and precoated sheets allowing these parts to be manufactured
03/13/2014WO2014037164A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.6 % and less than or equal to 0.74 %
03/13/2014WO2014037163A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.5 % and less than or equal to 0.6 %
03/13/2014WO2014037162A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.4 % and less than or equal to 0.5 %
03/13/2014WO2014037161A1 Wire drawing method
03/13/2014WO2013144320A8 A process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby
03/13/2014WO2007067014A8 High strength cold rolled steel sheet having excellent formability and coating property, zinc-based metal plated steel sheet made of it and the method for manufacturing thereof
03/13/2014US20140069556 High carbon thin steel sheet and method for producing same
03/13/2014US20140069555 Fe-BASED METAL SHEET AND MANUFACTURING METHOD THEREOF
03/12/2014CN203474864U Cooling supporting frame for silicon steel sheet
03/12/2014CN103635596A Method for producing a grain-oriented electrical steel strip or sheet intended for electrotechnical applications
03/12/2014CN103627980A Low-temperature X80HD (High Density) large-deformation pipeline steel with great wall thickness and production method thereof
03/12/2014CN103627974A Production method for improving hydrogen-induced crack resistance of steel plate
03/12/2014CN103627958A Low-alloy high-strength steel plate containing rare-earth lanthanum and on-line cooling technique thereof
03/12/2014CN103627957A Steel for CR4 hot dip galvanized automobile sheets and production method thereof
03/12/2014CN103627956A Wear-resistant intake valve and preparation method thereof
03/12/2014CN103627953A Aluminiferous complex phase steel insensitive to isothermal time and production method thereof
03/12/2014CN103627951A High-toughness boracic carbon structural steel plate roll and production method thereof
03/12/2014CN103627950A Hot rolled spoke steel with yield ratio of 0.45-0.49 and tensile strength of 630-670 MPa and manufacturing method thereof
03/12/2014CN103627938A High-strength magnesium alloy extruded seamless tube and making technology thereof
03/12/2014CN103627871A Thermal treatment method for inhibiting and eliminating banded structure in low-alloy and heatproof steel tube
03/12/2014CN103627870A Heat treatment method and manufacturing method of stainless steel pipe for boiler
03/12/2014CN103627869A After-rolling controlled cooling process and preparation method of pipeline steel with low yield ratio
03/12/2014CN103627868A Production method for improving toughness of 10-12mm thick steel plate with yield strength of 345MPa grade
03/12/2014CN103627867A Manufacturing method of stainless steel boards
03/12/2014CN103627866A High-carbon steel rolling method
03/12/2014CN103014284B Process for modifying GCr15 steel for manufacturing tapered roller
03/12/2014CN102766806B Ultrawide and ultrafine gauge structural steel plate for bridges and production method thereof
03/12/2014CN102732790B Ultra low carbon bainite steel plate and its manufacturing method
03/12/2014CN102712983B Cold-rolled steel plate and method for producing same
03/12/2014CN102605159B Waste heat temperature control quenching process method for front axle of large-scale vehicle
03/12/2014CN102534416B Steel for freight train connecting piece and preparation method thereof
03/12/2014CN102477518B Steel used for steam turbine blades and manufacturing method thereof
03/12/2014CN102409229B N80Q grade straight seam ERW (Electric Resistance Welding) petroleum casing and manufacturing method thereof
03/12/2014CN102400049B 490-grade fireproof steel plate for building structure and manufacturing method thereof
03/12/2014CN102400040B Production method of low-carbon bainite steel hot-rolled strip used in low-temperature
03/12/2014CN102021498B Low-alloy sulfuric acid-resistant dew point corrosion steel plate and production method thereof
03/11/2014US8668784 Steel for welded structure and producing method thereof
03/06/2014WO2014034737A1 Seamless steel pipe and method for producing same
03/06/2014WO2014034714A1 Steel plate
03/06/2014WO2014034522A1 Duplex stainless steel tube and method for producing same
03/06/2014WO2014034128A1 Oriented electromagnetic steel sheet for iron core and method for manufacturing same
03/06/2014WO2014032216A1 High magnetic induction oriented silicon steel and manufacturing method thereof
03/06/2014WO2013051270A8 Annealing separator for grain oriented electrical steel sheet
03/06/2014US20140065434 Steel Sheet Suitable for Enamelling and Method for Producing Such a Sheet
03/05/2014EP2703514A1 Fe-BASED METAL PLATE AND METHOD FOR MANUFACTURING SAME
03/05/2014EP2703510A1 Particle-reinforced steel with improved E-modulus and method for producing said steel
03/05/2014EP2703100A1 Fabrication method for stepped forged material
03/05/2014CN103620063A Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
03/05/2014CN103614649A High-strength, high-toughness and high-plasticity martensitic stainless steel and preparation method thereof
03/05/2014CN103614640A High-temperature oxidation-resistant steel for non-coating hot stamping
03/05/2014CN103614637A Rack steel coil rod for combing and production method thereof
03/05/2014CN103614634A Alloy spring wire and preparation method thereof
03/05/2014CN103614632A Manufacturing method of submarine oil well valve base
03/05/2014CN103614629A 900MPa grade hot rolling non-tempering thin steel sheet and preparation method thereof
03/05/2014CN103614628A 65MnTiB steel and manufacturing method of hot rolled steel plate thereof
03/05/2014CN103614625A 590MPa level hot rolling steel plate for automobile compartment
03/05/2014CN103614624A High-density precipitated phase containing low-alloy high-strength steel plate strip and rolling process thereof
03/05/2014CN103614618A Method for preparing non-oriented electrical steel for high-efficient motor via twin roll strip casting
03/05/2014CN103614617A Steel for motor turbine of roller washing machine and production method thereof
03/05/2014CN103614615A Low cost cold rolling non-oriented electrical steel production method
03/05/2014CN103614613A Drill pipe joint and preparation method thereof
03/05/2014CN103614610A Method for preparing weather-resisting steel ingot
03/05/2014CN103614528A Forging method of producing steel balls with phi 150-180mm by adopting round steel with phi 110mm
03/05/2014CN103614527A Method for reducing hot rolling steel rail tread decarburization depth
03/05/2014CN102864334B Preparation method of copper-nickel disilicon-copper sheet strip
03/05/2014CN102732781B Offshore platform steel with CTOD being greater than or equal to 2 millimeters at minus 40 DEG C and production method thereof
03/05/2014CN102712080B Saw wire
03/05/2014CN102605266B Steel for caterpillar type engineering machinery caterpillar link pin bushes and production method thereof
03/05/2014CN102601174B Round billet quenching straightening machine
03/05/2014CN102505096B Steel with good property and ultra-high strength for engineering machinery and manufacturing method thereof
03/05/2014CN102482747B Drawn and heat-treated steel wire for high-strength spring, and undrawn steel wire for high-strength spring
03/05/2014CN102301024B Wire material, steel wire, and processes for production of those products
02/2014
02/27/2014WO2014030663A1 Steel material
02/27/2014WO2014030618A1 Thick steel plate having good ultralow-temperature toughness
02/27/2014WO2014030512A1 Non-oriented magnetic steel sheet that exhibits minimal degradation in iron-loss characteristics from a punching process
02/27/2014WO2014030392A1 Highly strong, highly tough and highly corrosion-resistant martensitic stainless steel
02/27/2014WO2014030327A1 Round steel material for cold forging
02/27/2014US20140056749 Hot-work tool steel and a process for making a hot-work tool steel
02/27/2014DE102012110138B3 Vorrichtung und Verfahren zum Presshärten von Blechzuschnitten und/oder Blechformteilen aus Stahl mit unterschiedlicher Materialdicke Apparatus and method for press hardening of sheet metal blanks and / or sheet metal parts made of steel with different material thickness
02/27/2014DE102012016075B4 Verfahren und Vorrichtung zur Herstellung eines Metallbauteils Method and apparatus for producing a metal member
02/27/2014DE102004059598B4 Vorrichtung zum Umformen und Härten eines Bleches An apparatus for shaping and hardening a sheet
02/26/2014EP2700731A1 Steel sheet for can with high barrel-part buckling strength under external pressure and with excellent formability and excellent surface properties after forming, and process for producing same
02/26/2014CN103608479A Ferritic stainless-steel sheet with excellent non-ridging property and process for producing same
02/26/2014CN103602919A Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof
02/26/2014CN103602917A Manufacturing method of magnetic control connection member for pressurized water reactor nuclear island
02/26/2014CN103602916A Manufacturing method of magnetic control connection member for pressurized water reactor nuclear island
02/26/2014CN103602915A High-carbon high-chromium duplex stainless steel
02/26/2014CN103602913A X80 steel hot-rolled plate coil for natural gas pipelines and preparation method thereof
02/26/2014CN103602910A Production method of low-cost and high-strength steel plate
02/26/2014CN103602904A Rare earth containing low-cost seamless steel pipe for L415N pipeline and production method thereof
02/26/2014CN103602901A 520MPa-level hot-rolled steel plate for concrete mixing tank
02/26/2014CN103602896A Production method of boron-containing tube-making steel band
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