Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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04/02/2014 | CN102851476B Construction-use HPB300 hot-rolled straight steel bar and preparation method thereof |
04/02/2014 | CN102803521B Method for producing directional electromagnetic steel sheet |
04/02/2014 | CN102766826B Production method of vanadium nitrogen micro-alloying high-strength weathering resistant steel |
04/02/2014 | CN102766817B Semi-high speed steel shear steel |
04/02/2014 | CN102762756B Steel plate exhibiting little welding deformation and excellent corrosion resistance |
04/02/2014 | CN102758144B Production method for steel ingot of large-sized high-nitrogen retaining ring steel |
04/02/2014 | CN102758138B Method for producing hydropower steel with thin specification and low sensitivity to weld cracks |
04/02/2014 | CN102744401B Geological mineral exploration device and preparation method thereof |
04/02/2014 | CN102732798B Boron-containing high-strength high-toughness thick-wall seamless line pipe steel and manufacturing method thereof |
04/02/2014 | CN102732778B 340MPa-grade high-strength cold-rolled steel plate used for deep-drawing, and production method thereof |
04/02/2014 | CN102719729B Automotive low-carbon aluminum-killed steel sheet and production method thereof |
04/02/2014 | CN102719728B Technique for producing anti-acid pipeline steel by RH-LF-VD refining |
04/02/2014 | CN102703823B High-speed steel for composite roll collar |
04/02/2014 | CN102644020B Cooling after rolling method for low-alloy hot-rolled H-steel with yield strength up to 500MPa |
04/02/2014 | CN102605235B High-collapse resistance hot stretch-reducing electric welding (SEW) petroleum casing pipe and manufacturing method thereof |
04/02/2014 | CN102581555B P91 seamless steel pipe and method for manufacturing same |
04/02/2014 | CN102549685B Permanent magnet and manufacturing method for permanent magnet |
04/02/2014 | CN102534365B Aluminum killed steel hot dip galvanized sheet and production method thereof |
04/02/2014 | CN102534353B Low-chromium multi-component alloy cast ball and preparation method thereof |
04/02/2014 | CN102428200B High strength/corrosion-resistant austenitic stainless steel with carbon - nitrogen complex additive, and method for manufacturing same |
04/02/2014 | CN102409228B High-strength high-carbon steel wire rod and production method thereof |
04/02/2014 | CN102400062B X130 pipe line steel with low yield ratio and ultrahigh strength and manufacturing method of hot rolled flat plate of X130 pipe line steel |
04/02/2014 | CN102400046B High-strength bake-hardened steel and preparation method thereof |
04/02/2014 | CN102312167B High-strength hot rolled steel plate for counter enameling and manufacturing method thereof |
04/02/2014 | CN102301027B High-strength hot-dip galvanized steel sheet and manufacturing method therefor |
04/02/2014 | CN102226248B Carbon silicon manganese hot rolled quenching and partitioning (Q&P) steel and preparation method thereof |
04/02/2014 | CN102224269B Hot-dip galvanized steel sheet and manufacturing method thereof |
04/02/2014 | CN102216482B High-carbon steel wire material with excellent processability |
04/02/2014 | CN102211360B High-intensity impact-resistant diamond circular saw blade matrix |
04/02/2014 | CN101925686B Flexible tube made of ferrite-group stainless steel |
04/02/2014 | CN101906585B High-performance building structure refractory steel plates and manufacturing method thereof |
04/02/2014 | CN101384136B Surface mounting process for flexible circuit board and used magnetic tool and steel mesh |
04/02/2014 | CN101321886B Martensitic stainless steel with excellent non-rusting property for disk brake |
04/01/2014 | US8685182 High-strength steel pipe and producing method thereof |
04/01/2014 | US8685181 Manufacturing method of carbon steel sheet superior in formability |
04/01/2014 | US8685180 Iron-based alloy powder |
04/01/2014 | CA2594838C High-concentration carburized/low-strain quenched member and process for producing the same |
04/01/2014 | CA2594719C Martensitic stainless steel strengthened by ni3ti eta-phase precipitation |
03/27/2014 | WO2014046459A1 Cold work tool steel with excellent tempering resistance |
03/27/2014 | WO2014046181A1 Method for manufacturing maraging steel coil |
03/27/2014 | WO2014046027A1 High-strength, hot-dip-zinc-coated steel sheet exhibiting excellent yield strength and warm formability, and method for producing same |
03/27/2014 | WO2014046007A1 Hardened steel tube member, automobile axle beam using hardened steel tube member, and method for manufacturing hardened steel tube member |
03/27/2014 | WO2014046001A1 Method for producing machine part |
03/27/2014 | WO2014045829A1 Thick steel sheet having excellent welding heat-affected part toughness |
03/27/2014 | WO2014045590A1 Electric-resistance-welded steel pipe exhibiting excellent hic resistance and low-temperature toughness at electric-resistance-welded parts, and production method therefor |
03/27/2014 | WO2014045553A1 Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance |
03/27/2014 | WO2014045552A1 Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance |
03/27/2014 | WO2014045542A1 Easily worked ferrite stainless-steel sheet |
03/27/2014 | WO2014045476A1 Ferritic stainless steel |
03/27/2014 | WO2014014540A3 High strength, high toughness steel alloy |
03/27/2014 | US20140087208 Cold-rolled steel sheet and method for producing same |
03/27/2014 | US20140086787 Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet |
03/27/2014 | US20140086785 Austenitic iron-based alloy, turbocharger and component made thereof |
03/27/2014 | US20140083574 Heat-hardened steel with excellent crashworthiness and method for manufacturing heat-hardenable parts using same |
03/27/2014 | US20140083573 Non-Grain-Oriented Electrical Steel Strip or Sheet, Component Manufactured from it and Method for Producing a Non-Grain-Oriented Electrical Steel Strip or Sheet |
03/27/2014 | DE102013101847B3 Verfahren zur Herstellung eines korrosionsbeständigen Stahlblechs A process for producing a corrosion resistant steel sheet |
03/27/2014 | DE102012018934A1 Preparation of aluminum-iron alloy semi-finished product e.g. brake rotor, involves casting aluminum-iron alloy containing iron, copper, vanadium and element chosen from silicon, zinc and boron, and aluminum, cooling, and extruding |
03/27/2014 | DE102012017143B3 Manufacturing component with bainitic microstructure, comprises preparing component blank comprising steel having manganese, cooling component blank at cooling rate to suppress ferrite and/or perlite formation, and bainite hardening |
03/26/2014 | EP2711439A1 High carbon thin steel sheet and method for producing same |
03/26/2014 | EP2710165A1 Improved bearing steel |
03/26/2014 | EP2710158A1 High-strength flat steel product and method for producing same |
03/26/2014 | CN103687976A High-strength steel sheet for warm forming and process for producing same |
03/26/2014 | CN103687975A Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same |
03/26/2014 | CN103687974A Non-grain-oriented electrical steel strip or sheet, component produced therefrom, and method for producing a non-grain-oriented electrical steel strip or sheet |
03/26/2014 | CN103687973A Hot press forming steel plate, formed member using same, and method for manufacturing the plate and member |
03/26/2014 | CN103687968A Method for producing hot-pressed steel member |
03/26/2014 | CN103687967A Method for producing oriented electromagnetic steel sheet |
03/26/2014 | CN103687966A Process for producing grain-oriented electrical steel sheet |
03/26/2014 | CN103680794A Magnetic function material and manufacturing method thereof |
03/26/2014 | CN103680793A High magnetic energy product function material containing rhodium and preparation method thereof |
03/26/2014 | CN103680792A High intrinsic coercive force material containing palladium and preparation method thereof |
03/26/2014 | CN103680791A High residual magnetism and high coercive force material containing rhenium and preparation method thereof |
03/26/2014 | CN103680790A High residual magnetism, high magnetic energy product and high coercive force material containing ruthenium and preparation method thereof |
03/26/2014 | CN103680788A Bonding rare-earth permanent-magnet alloy |
03/26/2014 | CN103673637A Cement preheater internal cylinder hanging sheet |
03/26/2014 | CN103671823A Light-weight wear-resistant gear machinery part |
03/26/2014 | CN103671440A Midair multipoint vertical steel bar connecting joint and construction method thereof |
03/26/2014 | CN103669466A Wear-resisting bucket tooth with adjustable tooth seam and manufacturing method of wear-resisting bucket tooth |
03/26/2014 | CN103668185A Laser repairing process for automobile die with high wear resistance |
03/26/2014 | CN103668184A Laser repair process for automobile mould with good cladding layer organization uniformity |
03/26/2014 | CN103668183A Laser repair process for good-welding-performance automobile mould |
03/26/2014 | CN103668182A Laser repair process for automobile mould with no need of annealing |
03/26/2014 | CN103668181A Laser repair process for automobile mould with high fusion rate |
03/26/2014 | CN103668179A Laser repair process for automobile mould with no need of preheating |
03/26/2014 | CN103668175A Laser cladding repair process of thin-walled sleeve favorable for reducing build-up welding stress and deformation |
03/26/2014 | CN103668007A Microcrystalline alloy thin belt with high saturation magnetic induction strength and preparation method thereof |
03/26/2014 | CN103668006A Nickel-free alloy and preparation method thereof |
03/26/2014 | CN103668005A HiB steel produced at moderate slab heating temperature and production method thereof |
03/26/2014 | CN103668004A Preparation method of hot rolled steel for automobile transmission shaft tube |
03/26/2014 | CN103668003A Preparation method of hot rolled steel for automobile beam |
03/26/2014 | CN103668002A Novel ferrite heat-resistant cast steel and production method thereof |
03/26/2014 | CN103668001A Heat-resistant steel material having temperature resistance of 1200 DEG C |
03/26/2014 | CN103668000A Rhenium-containing wear-resistant high-hardness alloy material for pump shafts and preparation method thereof |
03/26/2014 | CN103667999A Wear-resisting alloy steel for mine breaking hammer and preparation method of wear-resisting alloy steel |
03/26/2014 | CN103667998A Stainless steel material |
03/26/2014 | CN103667997A Refractory steel material for pump valves and preparation method thereof |
03/26/2014 | CN103667996A Wear-resistant low-carbon steel material for pumps and preparation method thereof |
03/26/2014 | CN103667995A Corrosion-resistant alloy steel material for boracic acid recirculating pump iron and preparation method thereof |
03/26/2014 | CN103667994A Stator alloy steel material for homogeneous mixing pumps and preparation method thereof |
03/26/2014 | CN103667993A Wear-resistant alloy steel material for cam rotor pump rotors and preparation method thereof |