Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
09/2013
09/25/2013CN103320728A Manufacturing method of aluminum alloy plate for automobile body panel manufacturing
09/25/2013CN103320721A Chrome-molybdenum steel plate requiring to keep yield and strength lower limits under thickness stretching and high stretching and production method thereof
09/25/2013CN103320719A Low-cost large-heat-input-weldable high-toughness steel plate and manufacturing method thereof
09/25/2013CN103320717A Ultra high-strength high titanium steel plate with yield strength of 960 MPa and preparing method of same
09/25/2013CN103320716A Raw material of composite magnetic materials and composite magnetic material making method
09/25/2013CN103320713A High-strength weathering resistant steel and its preparation method
09/25/2013CN103320711A Seamless steel tube and manufacturing method thereof
09/25/2013CN103320708A Offshore platform rack steel with thickness of more than or equal to 114 mm, and production method thereof
09/25/2013CN103320707A High-strength stainless steel tube with excellent toughness and manufacturing method thereof
09/25/2013CN103320705A CO2 corrosion resistant pipeline steel used for surface gathering and preparation method of same
09/25/2013CN103320702A Thermoforming steel with tensile strength of 1,700MPa level and production method thereof
09/25/2013CN103320699A Rare earth-containing wet H2S corrosion resistance gas cylinder seamless steel pipe and production method thereof
09/25/2013CN103320697A Drill rod pipe body applied to ultra-deep well working condition and manufacturing method thereof
09/25/2013CN103320693A Zinc-induced-crack-resistant steel plate and manufacturing method thereof
09/25/2013CN103320692A HT550 steel plate with ultrahigh toughness and excellent weldability and manufacture method thereof
09/25/2013CN103320691A Manufacturing method for Q345 series coil plates
09/25/2013CN103320690A Low-carbon bainite steel plate with high strength and high toughness, and manufacturing method thereof
09/25/2013CN103320688A New process for producing low-alloy structural steel by adding ferro-vanadium-nitride
09/25/2013CN103320687A High-strength magnetic-conductive steel plate and production method thereof
09/25/2013CN103320686A No. 45 cold-rolled sheet and production method thereof
09/25/2013CN103320685A Hard tinned sheet steel and its production method
09/25/2013CN103320683A Process for producing hot-rolled acid-pickled 610 L automobile frame steel strip with thin gauge and high elongation
09/25/2013CN103320642A Preparation method of copper-silver alloy contact wire for trunk line electrification
09/25/2013CN103320596A Manufacturing process of tin-phosphor bronze stretching rod
09/25/2013CN103320595A Control dissolving-out method of micro-alloy vanadium of high-strength and low-yield-ratio mining anchor rod steel
09/25/2013CN103316915A Method for preparing wide magnesium alloy sheet
09/25/2013CN102808074B Casting blank heat treatment method of stainless steel welding strip for nuclear power
09/25/2013CN102766816B 80Cr14MoV high-carbon high-chromium martensite stainless steel band and preparation method thereof
09/25/2013CN102634742B Preparation method of oriented electrical steel free of Al
09/25/2013CN102517521B MnCr carburized gear steel and its production method
09/25/2013CN102477484B Quick laser scribing method
09/25/2013CN102453793B Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property
09/25/2013CN102433479B Magnesium alloy with warm extrusion property and preparation method of magnesium alloy extrusion material
09/25/2013CN102400043B Large-thickness steel plate for oceaneering
09/24/2013CA2731908C Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method for producing same
09/24/2013CA2714218C Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained
09/24/2013CA2591060C Method for producing hot strips consisting of lightweight steel
09/19/2013WO2013137249A1 Method for manufacturing ferrous material
09/19/2013WO2013137092A1 Method for producing non-oriented magnetic steel sheet
09/19/2013WO2013135098A1 Method for manufacturing thin strip continuously cast 700mpa grade high strength weather-resistant steel
09/19/2013WO2013135097A1 Manufacturing method for strip casting 550 mpa-grade high strength atmospheric corrosion-resistant steel strip
09/19/2013WO2013135096A1 Manufacturing method for strip casting 700 mpa-grade high strength atmospheric corrosion-resistant steel
09/19/2013WO2013134897A1 Hot rolled silicon steel producing method
09/19/2013US20130240096 Phase change graded sma actuators
09/19/2013US20130240094 Bake-hardenable high-strength cold-rolled steel sheet and method of manufacturing the same
09/18/2013EP2639329A2 Graphene-coated steel sheet, and method for manufacturing same
09/18/2013EP2639326A1 Wire rod and steel wire having superior magnetic characteristics, and method for manufacturing same
09/18/2013CN1989266B High tensile strength steel sheet having reduced acoustic anisotropy, excellent weldability and its production method
09/18/2013CN103314126A Grain-oriented magnetic steel sheet and process for manufacturing same
09/18/2013CN103305780A Heat treatment method for aerial aluminum alloy
09/18/2013CN103305779A Thermomechanical treatment method of 6000-series aluminum alloy
09/18/2013CN103305770A Method for manufacturing 550MPa-level high-strength atmospheric corrosion resistant steel strip through strip continuous casting
09/18/2013CN103305767A Steel for engineering machinery with yield strength more than or equal to 750MPa and production method of steel for engineering machinery
09/18/2013CN103305766A High-strength high-plasticity ferritic stainless steel and manufacturing method thereof
09/18/2013CN103305765A Low activation martensitic steel with resistance to high temperature oxidation and high strength
09/18/2013CN103305764A Cold-work die round steel and manufacturing method thereof
09/18/2013CN103305762A Cold-rolled dual-phase sheet steel with 400MPa-level tensile strength and preparation method thereof
09/18/2013CN103305760A Method for manufacturing 550MPa-level high-strength weather resistant steel through strip continuous casting
09/18/2013CN103305759A Thin strip continuous casting 700MPa grade high-strength weather-resistant steel manufacturing method
09/18/2013CN103305758A Steel plate for low-temperature pressure container and production method of steel plate
09/18/2013CN103305757A High-strength steel plate for automobile and production method thereof
09/18/2013CN103305755A Manufacturing method of thin-strip continuous casting low-carbon micro-alloy high-strength steel strip
09/18/2013CN103305754A Manufacturing method of age-hardened thin-strip casting low-carbon microalloyed steel strip
09/18/2013CN103305753A Manufacturing method of thin-strip continuous casting low-carbon micro-alloy steel strip
09/18/2013CN103305752A Large-thickness high-performance SA302GrC steel plate and production method thereof
09/18/2013CN103305751A High-strength magnetic-conducting steel plate and production method for same
09/18/2013CN103305748A Non-oriented electrical steel plate and manufacturing method thereof
09/18/2013CN103305746A Manufacturing method of age-hardened thin-strip casting low-carbon microalloyed steel strip
09/18/2013CN103305745A Production method for high-quality normalized silicon steel substrate
09/18/2013CN103305744A Production method for high-quality normalized silicon steel substrate
09/18/2013CN103305736A MgLiAlSrY alloy and preparation method thereof
09/18/2013CN103305711A Steel core high conductivity energy-saving wire production technology
09/18/2013CN103305680A Method for producing cold-rolled sheet by means of cover annealing blowing
09/18/2013CN103305675A Method for controlling surface decarburized layer of hot-finished rod for steel cord
09/18/2013CN103305674A Method for controlling thickness of surface decarburized layer of hot-finished rod for steel cord
09/18/2013CN103305673A Method for manufacturing fine-grain 35CrNi3MoV steel large forging stock
09/18/2013CN103305672A Heat treatment process for ultra-large type tube plate forge piece of pressure container
09/18/2013CN103302255A Manufacturing method of thin-strip casting 700 MPa grade high-strength weather resisting steel
09/18/2013CN102719737B High-toughness normalizing steel plate with 460MPa yield strength and manufacturing method thereof
09/18/2013CN102644034B Cooling-after-rolling method of high-weather resistance hot-rolling H-shaped steel with yield strength of 500MPa
09/18/2013CN102605270B Manufacturing method of super double-phase stainless steel impeller shaft
09/18/2013CN102586686B Clean corrosion-resistant steel for ocean engineering and manufacturing method thereof
09/18/2013CN102517515B Phi 177.8*9.19 seamless steel pipe with high steel grade for petroleum and manufacturing method
09/18/2013CN102517429B Method for producing high-magnetic-induction oriented silicon steel by continuous casting and rolling of thin slab
09/18/2013CN102424904B Method for manufacturing motorcycle gears from 20CrMo carburizing steel
09/18/2013CN102282281B Steel material for welding and method for producing same
09/18/2013CN102226250B Hot rolled steel plate with yield strength being 700MPa and preparation method thereof
09/18/2013CN101713046B Preparation method of superfine grain martensitic steel reinforced and controlled by nano precipitated phase
09/18/2013CN101643886B Stainless steel for cutter and manufacture method thereof
09/17/2013US8535458 High-strength hot-rolled steel sheet and method for manufacturing the same
09/17/2013CA2520022C High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof
09/12/2013WO2013133076A1 Method for producing high-strength steel material having excellent sulfide stress cracking resistance
09/12/2013WO2013132863A1 Seawater-resistant stainless clad steel
09/12/2013WO2013131212A1 Method for producing silicon steel normalizing substrate
09/12/2013WO2013131211A1 Method for producing silicon steel normalizing substrate
09/12/2013US20130233453 High strength steel sheet having excellent formability and method for manufacturing the same
09/12/2013US20130233451 Shot peening in combination with an heat treatment and a component
09/12/2013US20130233450 Method for manufacturing oriented silicon steel product with high magnetic-flux density
09/12/2013CA2849287A1 Method for producing high-strength steel material excellent in sulfide stress cracking resistance
09/11/2013EP2636759A1 Method for manufacturing automobile part having different local strengths using heat-treatment hardening steel plate
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