Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
03/2014
03/26/2014CN103667895A High-strength thin strip steel for cold forming and manufacturing method thereof
03/26/2014CN103667894A Low-temperature steel reinforcement for liquefied petroleum gas storage tank and production process thereof
03/26/2014CN103667893A High-strength anti-delayed fracture steel with yield ratio of no more than 0.5 and production method thereof
03/26/2014CN103667889A Forging process of austenite high-manganese steel
03/26/2014CN103667885A Pt-containing nanometer twin crystal steel used in medical field and preparing method of Pt-containing nanometer twin crystal steel
03/26/2014CN103667884A Preparation method for 1400 MPa level cold-rolled ultrahigh-strength automobile-used steel with low yield ratio and high elongation ratio
03/26/2014CN103667883A Low-density and high-toughness automobile-used steel board and preparation process
03/26/2014CN103667882A High-plasticity steel hot-rolled coil for welded gas cylinder and production technology of high-plasticity steel hot-rolled coil
03/26/2014CN103667881A Method for producing high-magnetic-induction oriented silicon steel
03/26/2014CN103667879A Non-oriented electrical sheet with superior magnetic and mechanical properties, and production method of non-oriented electrical sheet
03/26/2014CN103667878A Steel strip for thin-wall oil bucket and manufacturing method thereof
03/26/2014CN103667874A Production method for shortening furnace time of oriented silicon steel during high-temperature annealing period
03/26/2014CN103667871A Processing technology for mantle fiber-free deformed steel bar
03/26/2014CN103667841A Double-phase particle mixed enhanced magnesium alloy and preparing method of double-phase particle mixed enhanced magnesium alloy
03/26/2014CN103667827A Aluminium alloy plate material and preparation method thereof
03/26/2014CN103667792A Zinc aluminum based alloy extruded tube for delay element of industrial delay detonator and preparation method of zinc aluminum based alloy extruded tube
03/26/2014CN103667784A Reed composite material for relay and application thereof
03/26/2014CN103667731A Production method of high-plasticity high-speed steel
03/26/2014CN103667655A Production method of cord thread steel wire rod with diameter of 5mm
03/26/2014CN103667654A Production method of stainless steel belt for flexible film solar battery
03/26/2014CN103667653A Method for producing precision stainless steel band specially used for mobile phone
03/26/2014CN103667652A Production method of stainless steel belt for electronic film
03/26/2014CN103667651A Preparation method of high-strength hot rolled steel for automobile
03/26/2014CN103667650A Preparation method of hot rolled steel for automobile wheel rim
03/26/2014CN103667649A Nb-treated hot-galvanized ultra-low carbon bake-hardening steel plate and manufacture method thereof
03/26/2014CN103667648A Method for producing microalloyed tubular steel in combined casting-rolling installation and microalloyed tubular steel
03/26/2014CN103667647A Optimization control method for MnS inclusions in heavy rail steel
03/26/2014CN103667610A Heat treatment process of antimicrobial martensitic stainless steel
03/26/2014CN103659165A Damper machining technological process of fuel distribution pipe
03/26/2014CN103658654A Method for preparing pure molybdenum metal plate
03/26/2014CN102925812B Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring
03/26/2014CN102925790B Method for producing high-strength and elongation product automobile steel plate by continuous annealing technology
03/26/2014CN102888568B Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof
03/26/2014CN102808136B Manufacturing method for filter net body material of ultra-supercritical turbine in megawatt unit
03/26/2014CN102747301B High-strength stainless steel cold-rolled sheet strip and manufacturing method thereof
03/26/2014CN102703811B Titanium micro-alloyed 400MPa grade high-strength steel bar and production method thereof
03/26/2014CN102703810B Automobile steel with low carbon equivalent and production method thereof
03/26/2014CN102699031B 900 MPa grade ultrahigh-toughness low alloy steel and manufacture method thereof
03/26/2014CN102644038B Production method of steel for automobile connecting rods
03/26/2014CN102639726B Grain-oriented electrical steel sheet having low core loss and high magnetic flux density
03/26/2014CN102560040B Short-flow plastic processing method for prolonging service life of gear/rack
03/26/2014CN102517492B Preparation method of intercritical annealing treated vanadium-containing extra-deep drawing dual phase steel
03/26/2014CN102292460B Wire material, steel wire, and process for production of wire material
03/26/2014CN102242315B Oxide metallurgy method for refining structure of wheel steel
03/25/2014US8679269 Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby
03/20/2014WO2014042066A1 Helical compression spring and method for manufacturing same
03/20/2014WO2014041996A1 High-tensile-strength steel plate with excellent low -temperature toughness and manufacturing process therefor
03/20/2014WO2014041802A1 Hot-rolled steel sheet and method for manufacturing same
03/20/2014WO2014041801A1 Hot-rolled steel sheet and method for manufacturing same
03/20/2014WO2014040736A1 Induction heating of metal strip and wire with gas impingement cooling
03/20/2014US20140076470 Method for the production of very high strength martensitic steel and sheet or part thus obtained
03/20/2014US20140076469 High carbon thin steel sheet and method for producing same
03/20/2014US20140076464 Process for manufacturing high grades of specialty electrical steels
03/20/2014DE10246164B4 Verfahren zum Herstellen von Strukturbauteilen A process for the manufacture of structural components
03/20/2014DE102013006797A1 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
03/19/2014EP2708614A2 Wire rod having good superior surface properties, high strength, and high toughness, and a method for manufacturing same
03/19/2014EP2708609A1 System and method for induction treatment of metals
03/19/2014EP2707515A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained
03/19/2014EP2707514A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
03/19/2014EP2707513A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained
03/19/2014CN103649355A Hot-rolled high-strength steel strip with improved HAZ-softening resistance and method of producing said steel
03/19/2014CN103649354A Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt
03/19/2014CN103649351A High strength hot-rolled steel sheet for welded steel line pipe having excellent souring resistance, and method for producing same
03/19/2014CN103649345A Non-oriented electrical steel sheet with excellent magnetic property and manufacturing method thereof
03/19/2014CN103649344A Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness
03/19/2014CN103649343A Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate
03/19/2014CN103643572A Production method for thermal treatment prestressed steel strand
03/19/2014CN103643170A High-strength high-toughness X100 pipeline steel hot-rolled coiled plate and production method thereof
03/19/2014CN103643169A Ce-containing exhaust valve head material and preparation method thereof
03/19/2014CN103643168A Exhaust valve head material and preparation method thereof
03/19/2014CN103643167A 700MPa-grade green-heat-treatment high-strength steel bar and processing method thereof
03/19/2014CN103643157A Copper-contained ferritic stainless steel coil and manufacturing method thereof
03/19/2014CN103643156A More than 630 MPa level high strength steel bar and application method thereof in reinforced concrete
03/19/2014CN103643153A Magnetic control connecting piece for pressurized water reactor nuclear island
03/19/2014CN103643147A 600 MPa-grade-and-above high strength steel bars and reinforced concrete application method thereof
03/19/2014CN103643145A 600MPa grade-and-more high-strength building steel bar and duct piece application method thereof
03/19/2014CN103643143A 600MPa-grade green-heat-treatment high-strength steel bar and processing method thereof
03/19/2014CN103643126A AISI4340 prestress steel bar manufacturing method
03/19/2014CN103643125A Steel bar for prestress concrete, and production process thereof
03/19/2014CN103643120A Manufacturing method of high-toughness hot-rolled plate coil for welded gas cylinder
03/19/2014CN103643119A Hot-rolled and pickled steel plate for 210MPa-grade single-sided enamel and production method thereof
03/19/2014CN103643118A Hot-rolled and pickled steel plate for 380MPa-grade single-sided enamel and production method thereof
03/19/2014CN103643115A Boron-containing steel with low yield ratio and preparation method therefor
03/19/2014CN103643105A Method for manufacturing manganese steel pipes
03/19/2014CN103643082A Titanium alloy for high-strength petroleum casing pipe and method for manufacturing petroleum casing pipe by using titanium alloy
03/19/2014CN103643080A High-strength, high-ductility and high-conductivity copper-nickel-silicon alloy bar and production method thereof
03/19/2014CN103643017A Production method for improving toughness of thick steel plate with 345MPa-level yield strength
03/19/2014CN103643016A Production method of motorcycle lower yoke plate
03/19/2014CN103643015A Expansion hot-state externally-pressed surface shaping and repairing process of oil field waste perforating gun
03/19/2014CN103643014A Shape correction method for aeroengine support front sealing component matrix inner ring
03/19/2014CN103639648A Machining process for internal combustion engine expansion breaking connecting rod
03/19/2014CN103639233A Method for manufacturing forged seamless steel tube applicable to 40 MPa level ultrahigh pressure gas cylinder
03/19/2014CN102965591B High-strength steel rolling hot-forming technology
03/19/2014CN102912101B Production process of 65 Mn spring steel wire rod and 65 Mn spring steel wire rod
03/19/2014CN102864375B Carbon steel seamless steel tube for nuclear power and production method thereof
03/19/2014CN102851616B 60 Kg-scale low temperature-quenched and tempered steel plate with good weldability and manufacture method thereof
03/19/2014CN102732783B H2S corrosion-resistant steel and preparation method thereof
03/19/2014CN102719757B Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof
03/19/2014CN102719744B Steel for low-temperature structures and manufacture method of steel
03/19/2014CN102703803B Globular pearlite type hot rolled coil and production method thereof
1 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ... 187