Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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04/08/2014 | US8689761 Exhaust poppet valve and solution heat treatment method of the same |
04/08/2014 | CA2770585C Hot-pressed steel sheet member, steel sheet for hot-press, and method for manufacturing hot-pressed steel sheet member |
04/08/2014 | CA2766028C High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the same |
04/03/2014 | WO2014051136A1 Sliding bearing assembly |
04/03/2014 | WO2014051119A1 Electric resistance welded steel pipe |
04/03/2014 | WO2014051005A1 Composite-structure steel sheet and process for producing same |
04/03/2014 | WO2014050975A1 Piercer plug material for producing seamless steel tube, and method for producing said material |
04/03/2014 | WO2014050954A1 Hot-rolled steel sheet, and production method therefor |
04/03/2014 | WO2014050943A1 Super non-magnetic soft stainless steel wire material having excellent cold workability and corrosion resistance, method for manufacturing same, steel wire, steel wire coil, and method for manufacturing same |
04/03/2014 | WO2014050698A1 Precipitation hardening type martensitic steel and process for producing same |
04/03/2014 | WO2014050016A1 Ferritic stainless steel |
04/03/2014 | WO2014050011A1 Ferritic stainless steel |
04/03/2014 | WO2014049770A1 Process for producing grain-oriented electromagnetic steel sheet |
04/03/2014 | WO2014049209A1 Austenitic stainless steel |
04/03/2014 | WO2014049032A1 Hypoeutectoid Bearing Steel |
04/03/2014 | WO2014048337A1 High-frequency straight welded pipe and manufacturing method thereof |
04/03/2014 | WO2014047757A1 Manufacturing method of common grain-oriented silicon steel with high magnetic induction |
04/03/2014 | WO2013113304A3 Ultrahigh-strength multiphase steel having improved properties during production and processing |
04/03/2014 | US20140090755 Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same |
04/03/2014 | US20140090222 High-Hardness Atomized Powder, Powder for Projecting Material for Shot Peening, and Shot Peening Method Using Same |
04/03/2014 | DE112012002439T5 Verfahren zur Verbesserung des Reduktionsgrads beim Schmelzen von Ferrolegierungen Method for improving the degree of reduction in melting ferroalloys |
04/02/2014 | EP2712944A1 High carbon thin steel sheet and method for producing same |
04/02/2014 | EP2712371A2 A martensitic antibacterial stainless steel and manufacturing method thereof |
04/02/2014 | EP2712370A1 Classes of modal structured steel with static refinement and dynamic strengthening |
04/02/2014 | CN103703158A Austenitic stainless steel |
04/02/2014 | CN103703157A High-strength steel sheet having excellent shape-retaining properties, high-strength zinc-plated steel sheet, and method for manufacturing same |
04/02/2014 | CN103703156A High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
04/02/2014 | CN103703151A Method for producing oriented magnetic steel sheet |
04/02/2014 | CN103703150A Hot-work tool steel and a process for making a hot-work tool steel |
04/02/2014 | CN103697244A Bimetallic wear-resisting seamless composite steel tube and preparation method thereof |
04/02/2014 | CN103695900A Preparation method for wear-resisting corrosion-resisting rod piece |
04/02/2014 | CN103695899A Iron-based laser cladding powder for repairing anticorrosive wearable cladding layer and preparation method thereof |
04/02/2014 | CN103695812A High-strength steel plate for glass lining |
04/02/2014 | CN103695811A Alloy |
04/02/2014 | CN103695810A Sleeve shaft of control rod drive mechanism (CRDM) in nuclear power plant and preparation method thereof |
04/02/2014 | CN103695809A Travel sleeve of control rod drive mechanism for nuclear power plant and preparation method thereof |
04/02/2014 | CN103695808A X120 high-grade pipeline steel hot-rolled steel plate and preparation method thereof |
04/02/2014 | CN103695807A Ultrahigh-strength X100 pipeline steel plate with excellent crack resistance and preparation method thereof |
04/02/2014 | CN103695806A Novel austenitic heat-resistance steel |
04/02/2014 | CN103695805A High strength and high wear-resistance stainless steel wire and preparation method thereof |
04/02/2014 | CN103695804A Steel used for petroleum vessel support and production method of the steel |
04/02/2014 | CN103695803A Low-carbon-equivalent low-temperature-usable high-thickness toothed rack steel and manufacturing method thereof |
04/02/2014 | CN103695802A High-molybdenum high-strength secondary hardening ultra-high-strength steel and preparation method thereof |
04/02/2014 | CN103695801A High-toughness and high-weather-resistance steel and manufacturing method thereof |
04/02/2014 | CN103695800A Foil for anti-theft magnetic stripe added to selling goods and preparation method of foil |
04/02/2014 | CN103695799A Production process of heat-resistance stainless steel seamless steel pipes with ultra-fine grains |
04/02/2014 | CN103695798A Heat-resisting steel material used as ultra supercritical steam turbine rotor and preparation method thereof |
04/02/2014 | CN103695797A Hollow steel for rock drilling tool |
04/02/2014 | CN103695796A High-strength and high-toughness stainless steel and preparation method thereof |
04/02/2014 | CN103695795A Casting process of large-scale mining excavator part driving wheel |
04/02/2014 | CN103695794A Balance block for compressor and manufacturing method for balance block |
04/02/2014 | CN103695793A Large-sized non-quenched and tempered steel and smelting method thereof |
04/02/2014 | CN103695792A High carbon alloy steel wear-resistance valve material and preparation method thereof |
04/02/2014 | CN103695791A High-magnetic strength oriented silicon steel and production method thereof |
04/02/2014 | CN103695790A X65MS ERW welded pipe with excellent anti-SSCC stress corrosion and manufacture method thereof |
04/02/2014 | CN103695789A High-performance super-hard high-speed steel |
04/02/2014 | CN103695788A Wire rod production technology for ocean hose capable of resisting high pressure and high-concentration acid corrosion |
04/02/2014 | CN103695787A Weather-proof structural steel S355K2W thick plate and production method |
04/02/2014 | CN103695786A Corrosion-resistant highly-extrusion-resistant petroleum casing and production method thereof |
04/02/2014 | CN103695785A Steel for low-temperature and high-pressure pipeline connector and manufacturing method of continuous casting round billet thereof |
04/02/2014 | CN103695784A Low-temperature steel and casting thereof |
04/02/2014 | CN103695783A Ultra-low carbon bainite high-strength steel bar and production method thereof |
04/02/2014 | CN103695782A Steel with tensile strength of 630Mpa for mobile-type pressure vessel and production method thereof |
04/02/2014 | CN103695781A Easily-cut copper-niobium composite steel and production method thereof |
04/02/2014 | CN103695780A 120 mm Q460 structural steel plate and production method thereof |
04/02/2014 | CN103695779A Steel plate made of high-rise building steel Q345EZ25 and production method thereof |
04/02/2014 | CN103695778A Preparation technology for chain wheel of heavy scraper conveyor |
04/02/2014 | CN103695777A Thick steel plate with excellent tenacity for excellent-tenacity welding heat affected zone and manufacturing method thereof |
04/02/2014 | CN103695776A Thick steel plate with low carbon equivalent and excellent welding heat affected zone toughness and manufacturing method of same |
04/02/2014 | CN103695775A 345MPa-level steel plate for high-rise building structure and production method thereof |
04/02/2014 | CN103695774A Hot-rolled low-hardness steel containing titanium and boron for high-strength fastener and production method thereof |
04/02/2014 | CN103695773A 690MPa-yield-strength fire-resistant weather-resistant earthquake-proof construction steel and production method thereof |
04/02/2014 | CN103695772A 550MPa-yield-strength fire-resistant weather-resistant earthquake-proof construction steel and production method thereof |
04/02/2014 | CN103695771A 610MPa-tensile-strength hot-rolled high-strength steel sheet and production method thereof |
04/02/2014 | CN103695770A Preparation process for precise die-casting die |
04/02/2014 | CN103695769A High-strength steel plate made of oceaneering steel FH40 and production method of high-strength steel plate |
04/02/2014 | CN103695768A Tungsten-molybdenum-iron alloy and preparation method for same |
04/02/2014 | CN103695767A Bainite steel |
04/02/2014 | CN103695766A 440MPa-tensile-strength hot-rolled high-strength steel sheet and production method thereof |
04/02/2014 | CN103695765A Cold-rolled medium manganese steel with high strength and high plasticity and preparation method thereof |
04/02/2014 | CN103695764A Cold-rolling hot-dipping steel plate used for liquid-crystal module backboard and production method of the steel plate |
04/02/2014 | CN103695763A Method for improving steel plate surface quality by adopting low-temperature rolling |
04/02/2014 | CN103695762A Hot rolled steel for rims, with tensile strength of 560-590MPa and preparation method thereof |
04/02/2014 | CN103695761A Preparation method for anti-corrosion medium-low carbon Cr-Si-Mn martensitic cast steel |
04/02/2014 | CN103695756A Semi-process non-oriented silicon steel produced by adopting thin slab continuous casting and continuous rolling and production method of silicon steel |
04/02/2014 | CN103695755A Preparation method of electrical steel for automobile motor |
04/02/2014 | CN103695619A Manufacturing method of high-magnetic-induction common-oriented silicon steel |
04/02/2014 | CN103695607A Integral quenching method of overlong and superhard high-wear-resistant alloy tool steel guide rail |
04/02/2014 | CN103692153A Manufacturing method of reaction arm |
04/02/2014 | CN103692152A Manufacturing method for withdrawing sleeve |
04/02/2014 | CN103691955A Manufacturing method for balance weight of compressor and balance weight manufactured by using manufacturing method |
04/02/2014 | CN103691913A Manufacture method of 1Mn18Cr18N hollow ingots |
04/02/2014 | CN103691903A Manufacturing process for centrifugal casting of multi-element eutectic high-alloy rolls |
04/02/2014 | CN103691887A As-cast high-manganese steel liner plate casting process |
04/02/2014 | CN103691741A Manufacturing method of making fe-a1 alloy strip steel |
04/02/2014 | CN103691738A Technology of 10 rack finishing mill group for producing anti-seismic reinforcing steel bar |
04/02/2014 | CN103160667B High-strength intermediate-carbon ultrafine bainitic steel and preparation method thereof |
04/02/2014 | CN102912158B Method for smelting ferrovanadium by fine vanadium slag |
04/02/2014 | CN102884209B Method for producing high-strength steel sheet |
04/02/2014 | CN102864366B Composite rare earth additive used for high Mn-Fe-based memory alloy |