Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
07/2010
07/01/2010WO2010074447A2 Non-oriented electrical steel sheets having high workability for client companies and manufacturing method thereof
07/01/2010WO2010074435A2 Steel sheet annealing device, device for producing plated steel sheet comprising the same, and production method for plated steel sheet using the same
07/01/2010WO2010074347A1 Steel with excellent anti-ductile crack generation characteristics in weld heat-affected zone and base material and manufacturing method therefor
07/01/2010WO2010015251A3 Method for producing a steel strip having a dual-phase microstructure
07/01/2010DE102008055106A1 Tool for forming a workpiece made of boron-containing steel, comprises a form surface turned in operation of a workpiece, and channels, which are arranged for cooling or heating medium
06/2010
06/30/2010EP2202010A2 Method for forming a stamped metal part
06/30/2010CN101765673A Hot-rolled shape steel for crude oil tanks and process for manufacturing the same
06/30/2010CN101765672A Wire rod and high-strength steel wire excellent in ductility, and processes for production of both
06/30/2010CN101765668A Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced
06/30/2010CN101760696A Anti-radiation alloy material
06/30/2010CN101358274B Levelling method of non-oriented electrical steel
06/30/2010CN101200791B Low-cost oil casing pipe steel and method for producing the same
06/29/2010CA2377701C High tensile cold-rolled steel sheet having superior ductility and strain age-hardening characteristics and manufacturing method therefor
06/24/2010WO2010070990A1 Method for producing high alloy steel pipe
06/24/2010WO2010070334A2 Improvements related to the manufacture of coil springs
06/24/2010WO2010069588A1 Method for manufacturing a coated part using hot forming techniques
06/24/2010US20100158744 High strength electrical steel sheet and method of production of same
06/24/2010DE102009055317A1 Verfahren zum Behandeln beschichteter Bleche A method for treating coated sheets
06/24/2010CA2746212A1 Method for manufacturing a coated part using hot forming techniques
06/23/2010EP2199422A1 Low-carbon precipitation-strengthened steel for cold heading applications
06/23/2010CN101755068A Steel pipes excellent in deformation characteristics and process for manufacturing the same
06/23/2010CN101755062A Process for manufacturing high-strength hot-rolled steel sheet
06/23/2010CN101755059A Process for production of duplex stainless steel tubes
06/23/2010CN101755058A Process for hot rolling and for heat treatment of a steel strip
06/23/2010CN101755057A Low density steel with good stamping capability
06/23/2010CN101748347A Ultrahigh-strength steel sheet excellent in hydrogen embrittlement resistance and workability, and manufacturing method therefor
06/23/2010CN101748342A High-strength 18Cr-8Ni stainless steel hot rolled plate and manufacturing method thereof
06/23/2010CN101748340A Construction steel and manufacturing method
06/23/2010CN101748339A High-strength ferritic stainless steel band and manufacturing method thereof
06/23/2010CN101748336A Fire-resistant steel and preparation method thereof
06/23/2010CN101748333A Low-carbon-equivalent high-strength wear-resistant steel plate and production method thereof
06/23/2010CN101748259A Method for producing high magnetic induction grain-oriented silicon steel by low temperature heating
06/23/2010CN101748258A Production method for improving magnetic properties of low temperature GO oriented silicon steel
06/23/2010CN101748257A Method for manufacturing directional silicon steel
06/23/2010CN101748256A Rolling and solution treatment method for 304 stainless strip steel
06/23/2010CN101748255A Method for improving forming performance of 430 ferrite stainless strip steel
06/23/2010CN101748254A Manufacturing method for reducing cold rolling deformation resistance of SPHC cold rolled substrate
06/23/2010CN101748253A Preparation method of low-temperature GO-oriented silicon steel
06/23/2010CN101748252A Hot working process for high-nitrogen austenitic stainless steel
06/23/2010CN101748251A Forging method of Cr12MoV cold work die steel module
06/23/2010CN101748250A Manufacture method of GH132 alloy die forgings
06/23/2010CN101347887B Method for producing upper gear tooth of steering arm shaft of automotive power steering gear
06/22/2010US7740722 Steel for use in high strength pinion shaft and manufacturing method thereof
06/22/2010US7740285 A pin having a contact surface of a threaded and unthreaded metal portion with a plating layer of a tin/copper/bismuth alloy surface and underneath an electroplating layer of a tin, copper or nickel coating; improved galling (friction) resistance; no leakage; nongreasy; oil country tubular goods
06/22/2010CA2491834C Martensitic stainless steel seamless pipe and a manufacturing method thereof
06/17/2010WO2010066896A1 Process for producing a component having improved elongation and break properties
06/17/2010WO2010066708A1 Patenting of steel wire in tin, and the steel wire resulting therefrom
06/17/2010WO2010066497A1 Method for producing an improved electrical steel strip
06/17/2010WO2010066412A1 Method for producing strips of metal, and production line for performing the method
06/17/2010US20100151270 Process of forming ultrafine crystal layer, machine component having ultrafine crystal layer formed by the ultrafine crystal layer forming process, process of producing the machine component, process of forming nanocrystal layer, machine component having nanocrystal layer formed by the nanocrystal layer forming process, and process of producing the machine component
06/17/2010US20100147424 Abrasion-resistant steel excellent in formability and production method thereof
06/17/2010US20100147423 Steel alloy for machine components
06/17/2010DE102008055514A1 Verfahren zur Herstellung eines Bauteils mit verbesserten Bruchdehnungseigenschaften A method for producing a component with improved elongation at break properties
06/17/2010CA2745044A1 Method of making metal strip and plant for carrying out the method
06/16/2010EP2196552A1 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same
06/16/2010CN101743334A Internal high hardness type pearlitic rail with excellent wear resistance, rolling contact fatigue resistance, and delayed fracture property and method for producing same
06/16/2010CN101736196A Steel for induction heating syphon for oil gas transportation and method for producing hot rolled slab thereof
06/16/2010CN101736195A Hot-dip coating aluminium-zinc alloy steel plate and production method thereof
06/16/2010CN101736193A Low carbon steel plate and preparation method thereof
06/16/2010CN101736140A Method for punch forming maraging steel sheet
06/16/2010CN101228287B High silicon stainless steel and material thereof and method for manufacturing high silicon stainless steel
06/16/2010CN101082107B Ultra-low carbon cold-rolling deep-punching glassed steel and method of production
06/15/2010US7736449 High-strength hot-dip galvanized steel sheet and method for producing the same
06/15/2010US7736447 Circumferential tensile strength of > 900 MPa for pipelines transportating of crude oil, natural gas, etc. by lowering only the tensile strength in the longitudinal direction; effectively reducing by transforming the microstructure into a degenerate upper bainite structure; stress resistance
06/10/2010WO2010016702A3 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same
06/10/2010US20100143178 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
06/10/2010US20100139821 Method for producing a workpiece, a workpiece and use of a workpiece
06/10/2010US20100139820 Wear-resistant steel plate having excellent wear resistance at high temperatures and excellent bending workability and method for manufacturing the same
06/10/2010US20100139819 Method for producing steel part having long rolling contact fatigue life
06/10/2010US20100139818 Ferritic stainless steel sheet having superior sulfuric acid corrosion resistance and method for manufacturing the same
06/10/2010DE102009001012B3 Härtemaschine und Verfahren zum induktiven Fixturhärten Hardening machine and method for inductive fixture hardening
06/10/2010DE102008060467A1 Verfahren zur Herstellung von maßgeschneiderten Blechbändern A process for the production of tailor-made sheet-metal strips
06/09/2010CN101724791A Middle and high temperature super-thick steel plate with excellent radiation resistance and manufacturing method thereof
06/09/2010CN101724789A Austenitic stainless steel medium-thick plate and manufacture method thereof
06/09/2010CN101724784A Stainless cold-rolling strip steel and manufacturing method thereof
06/09/2010CN101724783A Heat resisting type alloy structure steel plate and method for producing same
06/09/2010CN101724779A High-tenacity steel and steel plate adaptive to high heat input welding and production method thereof
06/09/2010CN101724777A Hot rolled wheel rim steel plate with tensile strength of 550MPa grade and manufacturing method thereof
06/09/2010CN101724776A High yield ratio and high-strength hot-dip galvanized steel sheet excellent in workability and production method thereof
06/09/2010CN101724737A Steel plate hot forming method based on anti-oxidation coating and production line for implementing same
06/09/2010CN101280352B Producing method of thermoforming martensitic steel parts
06/08/2010US7731808 Excellent in mechanical strength, workability and thermal stability; use in constructon material for e.g. automobiles, household appliances and machine structures; main phase ferrite; specified ferrite crystal grain diameter; ultra fine crystal grains
06/03/2010US20100136357 Cold-formable chrome steel
06/03/2010US20100132855 Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of same
06/03/2010US20100132854 Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Articles Resulting Therefrom
06/03/2010US20100132853 Method for the Treatment of Metal Sheets
06/03/2010US20100132850 High strength galvanized steel sheet and method for producing the same
06/02/2010EP2192206A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
06/02/2010EP2192203A1 Steel pipes excellent in deformation characteristics and process for manufacturing the same
06/02/2010EP2192201A1 Hardened spring steel, spring element and method for manufacturing a spring element
06/02/2010CN101717885A Low-carbon twin crystal induction plasticity steel with high strength and high plasticity
06/02/2010CN101717847A Mechanical impacting and hardening method for processing high manganese steel frog
06/02/2010CN101474745B Method for preparing AZ31B magnesium alloy pressing sheet material
06/02/2010CN101474744B Method for producing titanium steel aluminum three-layer composite board for pot tool
06/02/2010CN101429590B Process for producing twin crystal inducement plastic steel material with high carbon content
06/02/2010CN101380712B Production method of steel edge
06/02/2010CN101348885B 1000MPa grade cold rolling hot dip galvanizing two-phase steel and manufacturing method thereof
06/02/2010CN101280391B High-strength tough hydraulic prop seamless steel pipe
06/02/2010CN101250619B Method for preparing FeCoV series alloy fine crystalline semi-manetic material
06/02/2010CN101220442B Hot work die steel with high-heat stability and high-strength
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