Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 33 - Making ferrous alloys
Patents for C22C 33 - Making ferrous alloys (11,268)
11/2012
11/28/2012CN102796945A Constructional hot-rolled plain steel bar (HPB) 300 hot-rolled wire-rod steel bar and production thereof
11/28/2012CN102796943A Thin strip steel for thin-wall oil drum and manufacturing method of thin strip steel
11/28/2012CN102796941A Special alloy hardened and tempered cast iron for conical sand making machine and manufacturing method thereof
11/28/2012CN102796940A Preparation method of high-silicon heat-resistant ductile iron
11/28/2012CN102796939A Method for vermicular cast iron by using mixed vermiculizer
11/28/2012CN102796938A Method for increasing vanadium content of molten steel
11/28/2012CN102796935A High-strength gray cast iron modifier and modification treatment process thereof
11/28/2012CN102191422B Preparation method of Fe2B bulk/steel-matrix composite
11/28/2012CN102127695B Production method of hot rolled steel coil
11/28/2012CN102127687B Method for producing hot-rolled steel coil
11/28/2012CN102127684B Method for producing hot rolled steel coils
11/28/2012CN102031441B Complex additive for spheroidizing and dispersing sulfides in steel and use method thereof
11/28/2012CN102021492B Low-carbon low-alloy abrasion-resistant steel and production method thereof
11/28/2012CN102021473B Method for preparing Fe3Al-Al2O3 composite material
11/28/2012CN101775532B Non-tombarthite ferrite ball iron and preparing method thereof
11/28/2012CN101736194B Wheel steel and preparation method as well as wheel thereof
11/27/2012CA2581860C Method of controlling the oxygen content of a powder
11/21/2012EP2524749A1 Metallurgical composition of particulate materials, self-lubricating sintered product and process for obtaining self-lubricating sintered products
11/21/2012CN102787282A Fe-based amorphous alloy ribbon with high saturation magnetic induction intensity and low iron loss and preparation method thereof
11/21/2012CN102787281A High-toughness iron-phosphorus based amorphous alloy thin strip and preparation method thereof
11/21/2012CN102787277A Medical nickel-free high-nitrogen austenite antimicrobial stainless steel, its preparation and its application
11/21/2012CN102787270A Thin hot-rolled pickled steel with good formability and production method thereof
11/21/2012CN102787268A Casting alloying method of brake disc for high-speed railway engine
11/21/2012CN102787199A Vermicularizing agent partner
11/21/2012CN102787198A Vermicular cast iron and manufacturing method of vermicular cast iron
11/21/2012CN102787196A Method for smelting stainless steel by direct reduced iron
11/21/2012CN102212749B Method for producing steel for high-efficiency alloy welding wires through continuous billet casting
11/21/2012CN102212738B Production process for solving slag shrinkage holes of centrifugal cast cylinder sleeve
11/21/2012CN102212736B Method for preparing niobium microalloy steel by using low-niobium molten iron
11/21/2012CN102206783B Molten steel alloying cored wire and method
11/21/2012CN102084438B Corrosion-resistant magnet and method for producing the same
11/21/2012CN102049485B Method for composite centrifugal casting high-chromium steel roller
11/21/2012CN101545076B Martensite refractory stainless steel and manufacturing method thereof
11/14/2012CN102782166A Hard particles for blending in sintered alloy, wear-resistant iron-based sintered alloy containing hard particles, valve seat formed of sintered alloy, and process for manufacturing hard particles
11/14/2012CN102776448A Alloy grinding ball and production method thereof
11/14/2012CN102776433A Reinforced composite post inoculation technology for short-flow smelting
11/14/2012CN102776432A Method for preparing medium and low carbon manganese iron nitride by microwave sintering
11/14/2012CN102776431A Tri-iron aluminide intermetallic compound-titanium nitride ceramic composite and method for preparing same
11/14/2012CN102127683B Method for producing hot-rolled steel coil
11/14/2012CN102071349B Method for producing microalloy steel by using rare elements in molten iron
11/14/2012CN102051531B High boron content austenite stainless steel and preparation method thereof
11/14/2012CN102019351B Method for producing spheroidal graphite iron casting with high strength and thick and uniform wall
11/14/2012CN101974721B Process for producing medium and high carbon steel in sheet billet continuous casting and rolling production
11/14/2012CN101935807B Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof
11/14/2012CN101899609B Heat-resistant spherical graphite cast iron for steel ladle slide gate mechanism slide and processing method thereof
11/07/2012EP2521141A1 Corrosion-resistant magnet and method for producing the same
11/07/2012CN102766825A Preparation method of high-speed steel for roller
11/07/2012CN102766823A Duplex stainless steel with phase change plastification effect and preparation method thereof
11/07/2012CN102766815A 7Cr17MoV stainless steel strip and manufacturing method thereof
11/07/2012CN102766813A Hammer head for crushing building stones, and manufacturing method of hammer head
11/07/2012CN102766811A Iron-based amorphous-nanocrystalline alloy strip and preparation method thereof
11/07/2012CN102766810A Production method of rack steel for self-elevating oil extraction platform
11/07/2012CN102766802A Low-temperature high-nickel steel plate and production method thereof
11/07/2012CN102766801A Rare earth Al-Ca-Fe alloy for rare earth micro-treated steel and preparation method thereof
11/07/2012CN102766799A Method for smelting stainless steel with high chrome melts and dephosphorized melted iron
11/07/2012CN102766798A Process control method for secondary processing of sintered NdFeB in quick-setting furnace
11/07/2012CN102330012B Niobium bainite ductile iron material and production process thereof
11/07/2012CN102268585B Cast automotive brake hub with high heat fading resistance
11/07/2012CN102251114B Method for smelting chromium-containing cast iron by using vanadium-containing calcium slag
11/07/2012CN102206731B Vanadium and nitrogen alloying cored wire and method for molten steel
11/07/2012CN102181779B Composite inoculant used for grey cast iron and preparation method and application method of composite inoculant
11/07/2012CN102127699B Method for producing hot rolled steel coils
11/07/2012CN102127692B Production method of hot rolled steel coil
11/07/2012CN102127690B Method for producing hot rolled steel coil
11/07/2012CN101864533B Grinding ball specialized for mine
11/06/2012US8302667 Cast iron semi-finished product excellent in workability and method of production of the same
11/01/2012WO2012147576A1 Magnetic material and coil component
11/01/2012WO2012147224A1 Magnetic material and coil component using same
11/01/2012US20120273410 Metal Semi-Finished Product
10/2012
10/31/2012CN102762755A Valve seat
10/31/2012CN102758144A Production method for steel ingot of large-sized high-nitrogen retaining ring steel
10/31/2012CN102758139A ZG10Cr1Mn1Si1A batten martensite wear-resistant low-alloy steel and manufacturing method thereof
10/31/2012CN102758130A Axle steel used for railway car and production process thereof
10/31/2012CN102758129A Method for manufacturing non-spangle galvanized sheet DX54D+Z from aluminum killed steel
10/31/2012CN102758128A Method for producing deep-draw hot-rolled strip steel by micro carbon aluminium killed steel
10/31/2012CN102758127A Method for producing high magnetic induction orientation silicon steel with excellent magnetic performance and good bottom layer
10/31/2012CN102758124A Smelting process of base inside die-cutting machine
10/31/2012CN102758123A Smelting process for die-cutting machine
10/31/2012CN102758122A Bearing block smelting process
10/31/2012CN102758121A Headstock smelting process
10/31/2012CN102758120A Cylinder liner smelting process
10/31/2012CN102758119A Slide pedestal smelting process
10/31/2012CN102758118A Smelting process for working platform of planomiller
10/31/2012CN102758117A Smelting process for planomiller
10/31/2012CN102758116A Intermixture briquette obtained by direct alloying of V2O5 and application method thereof
10/31/2012CN102756098A Manufacturing process of gearbox
10/31/2012CN102756087A Manufacturing process of diesel engine
10/31/2012CN102756086A Manufacturing process of cylinder sleeve
10/31/2012CN102756084A Manufacturing process of planer type milling machine
10/31/2012CN102756079A Manufacturing process of cross beam of planer type milling machine
10/31/2012CN102756077A Manufacturing process of cylinder sleeve
10/31/2012CN102756075A Casting process of gearbox
10/31/2012CN102352467B Superhigh strength cast steel, and preparation method and welding process thereof
10/31/2012CN102127689B Production method of hot rolled steel coil for ship building
10/31/2012CN102102640B Cast iron electromechanical annular cover and preparation method thereof
10/31/2012CN102071351B Vermicularizing treatment process of vanadium-titanium vermicular graphite cast iron
10/31/2012CN102061422B Method for preparing self-lubricating ferrous molybdenum sulfide/ferrous sulfide multiphase wear resistant material
10/31/2012CN102000784B Method for controlling large-scale nodular iron cast coagulation tissue
10/30/2012US8298313 Cold-forming steel article
10/25/2012DE19938719B4 Abriebbeständige Sinterlegierung und Verfahren zu deren Herstellung A wear-resistant sintered alloy and process for their preparation
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