Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
07/2012
07/11/2012CN102560260A Low cost, high strength and toughness X 70 pipeline steel coil plate and its production method
07/11/2012CN102560256A Fire-resistant weather-resistant steel with excellent low temperature toughness and preparation method for fire-resistant weather-resistant steel
07/11/2012CN102560253A Manufacturing method of high-quality cold heading steel with uniform structure property
07/11/2012CN102560252A Steel for medium-carbon Cr alloying connecting rod and manufacturing method of steel
07/11/2012CN102560250A Ultralow-carbon bainite steel plate and manufacturing method thereof
07/11/2012CN102560243A Rolling method for Q345 steel plate with thickness of 50-100mm
07/11/2012CN102560236A Preparation method of common oriented silicon steel
07/11/2012CN102560235A Manufacturing method of high-magnetic-inductive oriented silicon steel
07/11/2012CN102560207A Coaxial cable-shielding corrosion-resistant aluminum-magnesium alloy wire and processing method thereof
07/11/2012CN102560081A Heating furnace energy-saving control method based on strip steel mechanical property forecasting model
07/11/2012CN102560072A Pneumatic automatic counterweight beating roll
07/11/2012CN102560057A Heat treatment process method and system for hot rolled seamless steel tubes
07/11/2012CN102560048A Preparation process of ordinary oriented silicon steel
07/11/2012CN102560047A Method for controlling grain-boundary embrittlement of high-carbon steel coil rods
07/11/2012CN102560046A Method for controlling surface decarburization of spring steel wires
07/11/2012CN102560045A Block nano structure low-carbon steel and manufacturing method thereof
07/11/2012CN102560044A Copper strip surface treatment method and device
07/11/2012CN102560043A Heat treatment process for large 35CrMo steel axis forgings
07/11/2012CN102560042A Method for realizing nanominiaturization of metal material surface crystal grain
07/11/2012CN102560041A Method for improving strength of metal member connection hole
07/11/2012CN102560040A Short-flow plastic processing method for prolonging service life of gear/rack
07/11/2012CN102560039A After-forging preheat treatment process of large turbine low-pressure rotor forging piece
07/11/2012CN102554565A Integral manufacturing method of runner of impulse water turbine
07/11/2012CN102554085A Forging method for improving horizontal mechanical property of flat and square forging piece
07/11/2012CN102553908A Rolling method for puller bolt of steam generator of pressurized-water reactor nuclear power station
07/11/2012CN102002567B Production method of oriented high-silicon-steel thin plates
07/11/2012CN101984119B NV-F690 ultrahigh strength ship plate steel and manufacture method thereof
07/11/2012CN101775561B Low-yield-ratio and high strength thick plate and preparation process thereof
07/11/2012CN101405418B Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connect
07/10/2012US8216400 High-strength steel plate and producing method therefor
07/10/2012CA2715303C High tensile strength hot-dipped steel sheet and method of producing the same
07/10/2012CA2254564C Non-ridging ferritic chromium alloyed steel
07/05/2012WO2012091411A2 High-strength steel sheet having superior toughness at cryogenic temperatures, and method for manufacturing same
07/05/2012WO2012091340A2 Steel sheet free of surface defects for enameling, and method for manufacturing same
07/05/2012WO2012091328A2 Steel sheet having enhanced ductility for a molding member, molding member, and method for manufacturing same
07/05/2012WO2012090680A1 Steel wire material and production method for same
07/05/2012WO2012089696A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
07/05/2012US20120168044 Heat-resistant component for chemical processing apparatus and method for producing same
07/05/2012DE102011051458B3 Preparing press-hardened form conservations e.g. body or structure conservations of motor cars, comprises heating a blank in a liquid bath, and press-hardening the blank in a pressing tool for forming a hot-formed mold component
07/04/2012EP2470679A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
07/04/2012CN202297712U 超高强钢高温拼接淬火成形装置 Ultra high strength steel quenching temperature stitching forming device
07/04/2012CN202292021U 巷道用u形钢支架修复整形机 Roadway with a u-shaped steel bracket repair shaping machine
07/04/2012CN202290722U 冷轧带肋钢筋生产设备 Cold-rolled ribbed steel production equipment
07/04/2012CN102549189A Steel plate with low yield ratio, high strength, and high toughness and process for producing same
07/04/2012CN102549188A Steel plate having low yield ratio, high strength and high uniform elongation and method for producing same
07/04/2012CN102549186A High-strength steel pipe, steel plate for high-strength steel pipe, and processes for producing these
07/04/2012CN102549174A High-carbon soft wire rod not requiring softening treatment and manufacturing method thereof
07/04/2012CN102549173A Method and device for producing a microalloyed steel, in particular a pipe steel
07/04/2012CN102537531A Titanium/steel composite pipeline and preparation method thereof
07/04/2012CN102537162A Spring with stiffness coefficient controlled by magnitude field and preparation method thereof
07/04/2012CN102534436A Cobalt-based amorphous nanocrystal biphase metal fiber and preparation method thereof
07/04/2012CN102534432A Method for manufacturing and tempering bainite wear-resistant steel and steel pipe
07/04/2012CN102534430A X90 steel pipe fitting and manufacture method thereof
07/04/2012CN102534429A High-strength low-yield ratio X90 hot-rolled steel plate and production method thereof
07/04/2012CN102534425A Low-cost high-strength ferritic stainless steel and manufacturing method thereof
07/04/2012CN102534424A Stainless steel, stainless steel wire for bridge pull sling as well as preparation methods and application thereof
07/04/2012CN102534422A Manufacturing method of corrosion-resistant steel tubes for natural gas conveying pipelines
07/04/2012CN102534419A Super-martensitic stainless steel and preparation method thereof
07/04/2012CN102534417A High-performance bridge weathering steel containing Mo and preparation method thereof
07/04/2012CN102534416A Steel for freight train connecting piece and preparation method thereof
07/04/2012CN102534415A Manufacture method for billets
07/04/2012CN102534413A Production method of corrosion-resistant steel pipe for high-pressure boiler
07/04/2012CN102534408A X80 pipeline steel coil with low cost and high toughness and production method thereof
07/04/2012CN102534407A Production method for HRB600 hot-rolled ribbed steel bars
07/04/2012CN102534396A Method for producing Nb-containing high-speed train wheel steel
07/04/2012CN102534393A Method for producing nitrogen controlling low activity ferrite martensite steel for fusion reactor
07/04/2012CN102534391A Hot-work die steel for extrusion wheel and manufacturing method thereof
07/04/2012CN102534388A Rare earth containing H2S-corrosion resistance petroleum casing pipe and production method thereof
07/04/2012CN102534386A Corrosion-resistant high-damping Fe-Cr-Mo-Cu alloy and preparation method thereof
07/04/2012CN102534383A High-tenacity steel plate for ocean engineering and manufacturing method thereof
07/04/2012CN102534382A Method for manufacturing low-temperature-resistant seamless steel pipe
07/04/2012CN102534378A Seawater corrosion resistant structural steel with uniform metallographic structure and production method thereof
07/04/2012CN102534377A X70-degree large deformation resisting pipeline steel plate with excellent tenacity and preparation method for pipeline steel plate
07/04/2012CN102534376A Steel plate with excellent low-temperature toughness in large heat-input weld heat affected zone and production method thereof
07/04/2012CN102534375A Steel for N80-grade Nb bainite oil containing casing pipe and manufacturing method for steel tube product
07/04/2012CN102534373A Super-high strength cold rolled steel belt suitable for rolling formation and manufacture method of super-high strength cold rolled steel belt
07/04/2012CN102534372A Preparation method of P110-grade expansion tube for exploiting petroleum and gas
07/04/2012CN102534371A Mg-containing steel plate for TMCP (Thermal Mechanical Control Processing) type E460 ultrahigh-strength ship structure and production method thereof
07/04/2012CN102534370A High-strength ultra-low carbon bake hardening steel plate and manufacturing process thereof
07/04/2012CN102534369A Method for preparing N80 steel-grade expansion tubes for petroleum and natural gas exploitation
07/04/2012CN102534365A Aluminum killed steel hot dip galvanized sheet and production method thereof
07/04/2012CN102534362A Preparation technology for fine-grained steel 510L
07/04/2012CN102534360A Production method for cold-rolled thin strip steel plate for sliding rail
07/04/2012CN102534334A High-strength and high-toughness molybdenum alloy and preparation method thereof
07/04/2012CN102534317A Multi-element aluminum-titanium alloy wire and manufacturing method thereof
07/04/2012CN102534158A Production process of high-precision cold-rolled oriented silicon steel strips
07/04/2012CN102534157A Hot rolling method for high-efficiency and high-grade electrical sheet product
07/04/2012CN102534156A Heat treatment method for improving comprehensive mechanical performance of heat expansion pipe
07/04/2012CN102534155A Method for improving thickness of decarburized layer of small square billet of tire cord steel
07/04/2012CN102534154A Hot pressing method for height adjustment of ultrahigh cylindrical helical spring
07/04/2012CN102534153A Ultrasonic frequency electromagnetic induction heating wire-drawing annealing furnace
07/04/2012CN102534152A Rolling method capable of preventing pockmarks on surface of ship plate
07/04/2012CN102534151A Steel heat treatment process and antirust and anticorrosion method
07/04/2012CN102534135A Productive technology for sliding plate of hot rolling mill
07/04/2012CN102127678B Method for producing hot rolled steel coil
07/04/2012CN102059511B Production process of integral kelly stem
07/04/2012CN102029347B Manufacturing method of gear shaft forge piece for offshore drilling platform
07/04/2012CN101994066B Deformation induced maraging stainless steel and machining process thereof
07/04/2012CN101988172B High-strength shock-resistance steel bars and production method thereof
07/04/2012CN101985721B Method for preparing oriented silicon steel thin strip using aluminum nitride as inhibitor
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