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