Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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03/26/2014 | CN103667895A High-strength thin strip steel for cold forming and manufacturing method thereof |
03/26/2014 | CN103667894A Low-temperature steel reinforcement for liquefied petroleum gas storage tank and production process thereof |
03/26/2014 | CN103667893A High-strength anti-delayed fracture steel with yield ratio of no more than 0.5 and production method thereof |
03/26/2014 | CN103667889A Forging process of austenite high-manganese steel |
03/26/2014 | CN103667885A Pt-containing nanometer twin crystal steel used in medical field and preparing method of Pt-containing nanometer twin crystal steel |
03/26/2014 | CN103667884A Preparation method for 1400 MPa level cold-rolled ultrahigh-strength automobile-used steel with low yield ratio and high elongation ratio |
03/26/2014 | CN103667883A Low-density and high-toughness automobile-used steel board and preparation process |
03/26/2014 | CN103667882A High-plasticity steel hot-rolled coil for welded gas cylinder and production technology of high-plasticity steel hot-rolled coil |
03/26/2014 | CN103667881A Method for producing high-magnetic-induction oriented silicon steel |
03/26/2014 | CN103667879A Non-oriented electrical sheet with superior magnetic and mechanical properties, and production method of non-oriented electrical sheet |
03/26/2014 | CN103667878A Steel strip for thin-wall oil bucket and manufacturing method thereof |
03/26/2014 | CN103667874A Production method for shortening furnace time of oriented silicon steel during high-temperature annealing period |
03/26/2014 | CN103667871A Processing technology for mantle fiber-free deformed steel bar |
03/26/2014 | CN103667841A Double-phase particle mixed enhanced magnesium alloy and preparing method of double-phase particle mixed enhanced magnesium alloy |
03/26/2014 | CN103667827A Aluminium alloy plate material and preparation method thereof |
03/26/2014 | CN103667792A Zinc aluminum based alloy extruded tube for delay element of industrial delay detonator and preparation method of zinc aluminum based alloy extruded tube |
03/26/2014 | CN103667784A Reed composite material for relay and application thereof |
03/26/2014 | CN103667731A Production method of high-plasticity high-speed steel |
03/26/2014 | CN103667655A Production method of cord thread steel wire rod with diameter of 5mm |
03/26/2014 | CN103667654A Production method of stainless steel belt for flexible film solar battery |
03/26/2014 | CN103667653A Method for producing precision stainless steel band specially used for mobile phone |
03/26/2014 | CN103667652A Production method of stainless steel belt for electronic film |
03/26/2014 | CN103667651A Preparation method of high-strength hot rolled steel for automobile |
03/26/2014 | CN103667650A Preparation method of hot rolled steel for automobile wheel rim |
03/26/2014 | CN103667649A Nb-treated hot-galvanized ultra-low carbon bake-hardening steel plate and manufacture method thereof |
03/26/2014 | CN103667648A Method for producing microalloyed tubular steel in combined casting-rolling installation and microalloyed tubular steel |
03/26/2014 | CN103667647A Optimization control method for MnS inclusions in heavy rail steel |
03/26/2014 | CN103667610A Heat treatment process of antimicrobial martensitic stainless steel |
03/26/2014 | CN103659165A Damper machining technological process of fuel distribution pipe |
03/26/2014 | CN103658654A Method for preparing pure molybdenum metal plate |
03/26/2014 | CN102925812B Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring |
03/26/2014 | CN102925790B Method for producing high-strength and elongation product automobile steel plate by continuous annealing technology |
03/26/2014 | CN102888568B Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof |
03/26/2014 | CN102808136B Manufacturing method for filter net body material of ultra-supercritical turbine in megawatt unit |
03/26/2014 | CN102747301B High-strength stainless steel cold-rolled sheet strip and manufacturing method thereof |
03/26/2014 | CN102703811B Titanium micro-alloyed 400MPa grade high-strength steel bar and production method thereof |
03/26/2014 | CN102703810B Automobile steel with low carbon equivalent and production method thereof |
03/26/2014 | CN102699031B 900 MPa grade ultrahigh-toughness low alloy steel and manufacture method thereof |
03/26/2014 | CN102644038B Production method of steel for automobile connecting rods |
03/26/2014 | CN102639726B Grain-oriented electrical steel sheet having low core loss and high magnetic flux density |
03/26/2014 | CN102560040B Short-flow plastic processing method for prolonging service life of gear/rack |
03/26/2014 | CN102517492B Preparation method of intercritical annealing treated vanadium-containing extra-deep drawing dual phase steel |
03/26/2014 | CN102292460B Wire material, steel wire, and process for production of wire material |
03/26/2014 | CN102242315B Oxide metallurgy method for refining structure of wheel steel |
03/25/2014 | US8679269 Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby |
03/20/2014 | WO2014042066A1 Helical compression spring and method for manufacturing same |
03/20/2014 | WO2014041996A1 High-tensile-strength steel plate with excellent low -temperature toughness and manufacturing process therefor |
03/20/2014 | WO2014041802A1 Hot-rolled steel sheet and method for manufacturing same |
03/20/2014 | WO2014041801A1 Hot-rolled steel sheet and method for manufacturing same |
03/20/2014 | WO2014040736A1 Induction heating of metal strip and wire with gas impingement cooling |
03/20/2014 | US20140076470 Method for the production of very high strength martensitic steel and sheet or part thus obtained |
03/20/2014 | US20140076469 High carbon thin steel sheet and method for producing same |
03/20/2014 | US20140076464 Process for manufacturing high grades of specialty electrical steels |
03/20/2014 | DE10246164B4 Verfahren zum Herstellen von Strukturbauteilen A process for the manufacture of structural components |
03/20/2014 | DE102013006797A1 Manufacturing a component, preferably vehicle component for chassis of motor vehicle, comprises forming blank made of air-hardening steel, hardening and/or quenching the blank, determining deformation region, and annealing or tempering |
03/19/2014 | EP2708614A2 Wire rod having good superior surface properties, high strength, and high toughness, and a method for manufacturing same |
03/19/2014 | EP2708609A1 System and method for induction treatment of metals |
03/19/2014 | EP2707515A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
03/19/2014 | EP2707514A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets |
03/19/2014 | EP2707513A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
03/19/2014 | CN103649355A Hot-rolled high-strength steel strip with improved HAZ-softening resistance and method of producing said steel |
03/19/2014 | CN103649354A Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt |
03/19/2014 | CN103649351A High strength hot-rolled steel sheet for welded steel line pipe having excellent souring resistance, and method for producing same |
03/19/2014 | CN103649345A Non-oriented electrical steel sheet with excellent magnetic property and manufacturing method thereof |
03/19/2014 | CN103649344A Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness |
03/19/2014 | CN103649343A Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate |
03/19/2014 | CN103643572A Production method for thermal treatment prestressed steel strand |
03/19/2014 | CN103643170A High-strength high-toughness X100 pipeline steel hot-rolled coiled plate and production method thereof |
03/19/2014 | CN103643169A Ce-containing exhaust valve head material and preparation method thereof |
03/19/2014 | CN103643168A Exhaust valve head material and preparation method thereof |
03/19/2014 | CN103643167A 700MPa-grade green-heat-treatment high-strength steel bar and processing method thereof |
03/19/2014 | CN103643157A Copper-contained ferritic stainless steel coil and manufacturing method thereof |
03/19/2014 | CN103643156A More than 630 MPa level high strength steel bar and application method thereof in reinforced concrete |
03/19/2014 | CN103643153A Magnetic control connecting piece for pressurized water reactor nuclear island |
03/19/2014 | CN103643147A 600 MPa-grade-and-above high strength steel bars and reinforced concrete application method thereof |
03/19/2014 | CN103643145A 600MPa grade-and-more high-strength building steel bar and duct piece application method thereof |
03/19/2014 | CN103643143A 600MPa-grade green-heat-treatment high-strength steel bar and processing method thereof |
03/19/2014 | CN103643126A AISI4340 prestress steel bar manufacturing method |
03/19/2014 | CN103643125A Steel bar for prestress concrete, and production process thereof |
03/19/2014 | CN103643120A Manufacturing method of high-toughness hot-rolled plate coil for welded gas cylinder |
03/19/2014 | CN103643119A Hot-rolled and pickled steel plate for 210MPa-grade single-sided enamel and production method thereof |
03/19/2014 | CN103643118A Hot-rolled and pickled steel plate for 380MPa-grade single-sided enamel and production method thereof |
03/19/2014 | CN103643115A Boron-containing steel with low yield ratio and preparation method therefor |
03/19/2014 | CN103643105A Method for manufacturing manganese steel pipes |
03/19/2014 | CN103643082A Titanium alloy for high-strength petroleum casing pipe and method for manufacturing petroleum casing pipe by using titanium alloy |
03/19/2014 | CN103643080A High-strength, high-ductility and high-conductivity copper-nickel-silicon alloy bar and production method thereof |
03/19/2014 | CN103643017A Production method for improving toughness of thick steel plate with 345MPa-level yield strength |
03/19/2014 | CN103643016A Production method of motorcycle lower yoke plate |
03/19/2014 | CN103643015A Expansion hot-state externally-pressed surface shaping and repairing process of oil field waste perforating gun |
03/19/2014 | CN103643014A Shape correction method for aeroengine support front sealing component matrix inner ring |
03/19/2014 | CN103639648A Machining process for internal combustion engine expansion breaking connecting rod |
03/19/2014 | CN103639233A Method for manufacturing forged seamless steel tube applicable to 40 MPa level ultrahigh pressure gas cylinder |
03/19/2014 | CN102965591B High-strength steel rolling hot-forming technology |
03/19/2014 | CN102912101B Production process of 65 Mn spring steel wire rod and 65 Mn spring steel wire rod |
03/19/2014 | CN102864375B Carbon steel seamless steel tube for nuclear power and production method thereof |
03/19/2014 | CN102851616B 60 Kg-scale low temperature-quenched and tempered steel plate with good weldability and manufacture method thereof |
03/19/2014 | CN102732783B H2S corrosion-resistant steel and preparation method thereof |
03/19/2014 | CN102719757B Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof |
03/19/2014 | CN102719744B Steel for low-temperature structures and manufacture method of steel |
03/19/2014 | CN102703803B Globular pearlite type hot rolled coil and production method thereof |