Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
06/2006
06/21/2006CN1789464A Method for smelting phosphor-containing steel
06/21/2006CN1789443A Dunite melted pellet
06/21/2006CN1789437A Slit type ladle bottom blowing powder injection process and apparatus
06/21/2006CN1260375C Production process of silicon calcium barium liquid steel cleaning agent
06/21/2006CN1260107C Process and equipment for feeding wire
06/15/2006WO2006061261A1 Method to obtain a manganese steel alloy, and manganese steel alloy thus obtained
06/15/2006WO2006000714A3 Cored wire
06/15/2006US20060125160 Compact micro-porous media degasser
06/15/2006US20060125159 Material submergence system
06/15/2006US20060123949 Highly ductile steel sheet and method of manufacturing the same
06/15/2006CA2590708A1 Method to obtain a manganese steel alloy, and manganese steel alloy thus obtained
06/14/2006EP1669471A1 Highly ductile steel sheet and method of manufacturing the same
06/14/2006CN1786244A Highly ductile steel sheet and method of manufacturing the same
06/14/2006CN1786243A Method of directly producing cast iron blank in iron ore smelting
06/14/2006CN1786242A Technology of improving and stabilizing titanium recorery rate in titanium micro-alloyed high strength weether resistant sinelting and continuous casting process
06/14/2006CN1786209A Desulfur technology of phosphorus molten pig iron for precalcining anode pouring
06/14/2006CN1786208A Barium titanium cinder used for denitregen and its denitrogen method
06/14/2006CN1786207A High efficiency pretreatment method of magnesium base molten iron
06/14/2006CN1786206A Petrol coke graphitization prepared carburant and petrol coke graphitization furnace filling technology
06/13/2006US7060220 Metal melting furnace
06/08/2006WO2006059740A1 Grain-oriented electromagnetic steel sheet and process for producing the same
06/08/2006US20060119024 Molten-metal transferring ladle and molten-metal tapping method
06/07/2006EP1567680A4 Method and apparatus for optimized mixing in a common hearth in plasma furnace
06/07/2006CN2786136Y Deoxidizing ball apparatus
06/07/2006CN1784500A Gas bubbling element and corresponding bubbling device
06/07/2006CN1782102A Method for determining oxygen blowing amount and cold material feeding amount in RH refining process
06/07/2006CN1782101A Slag regulating agent for super high power large electric furnace smelting
06/07/2006CN1258607C Ladle refining method of steel
05/2006
05/31/2006EP1291442B1 Method and apparatus for producing desulfurizing agent for hot-metal
05/31/2006CN1778981A Micro-alloying production for 82B wire rod of steel strand
05/31/2006CN1778974A Deoxidization of calcium-silicon barium for smelting 82B steel
05/31/2006CN1778973A Composite ferromanganese mineral ball for steelmaking
05/31/2006CN1778972A Improvement of impurities state in steel from calcium silicate
05/31/2006CN1778971A Steel smelting process of core bar for rolling seamless steel pipe
05/31/2006CN1778493A Cap agent with light alkaline particle steel coating
05/31/2006CN1778484A Continuous-casting and rolling manufacture for 82B wire rod steel strand
05/30/2006CA2497734C Process and apparatus for automatically controlling slag foaming
05/25/2006US20060108724 Powder body melting burner
05/25/2006US20060108723 Apparatus for injecting gas into a vessel
05/25/2006US20060108722 Apparatus for injecting gas into a vessel
05/25/2006US20060108720 Pressure-regulating device, transportation vehicle, and pressure difference-controlling unit
05/24/2006CN2782703Y Molten steel leakage proof device with permeation firebrick
05/24/2006CN2782702Y Rotary jet gun with agitator
05/24/2006CN2782701Y Hydraulic motor driven automatic tipper for desulfurizing pig iron ladle
05/24/2006CN1775961A Prefused refined slag modified aluminium slag ball and its preparing method
05/24/2006CN1775960A Aluminium-rare-earth core-spun yarn
05/24/2006CN1775959A Electric furnace to converter steel making production process
05/24/2006CN1257301C Method for producing continuous casting alloy steel containing S and Al
05/24/2006CN1257289C Vacuum oxygen blowing decarbon refining furnace smelting stainless steel high carbon region denitrogen method
05/18/2006US20060102881 Contacting molten copper with a carbon source, cooling the molten copper to room temperature, thereby obtaining a solidified manufactured copper; exhibit long-range ordering and unique electronic character
05/17/2006EP1656462A2 Compact micro-porous media device for degassing molten metal
05/17/2006CN1772938A High nitrogen alloy smelting process with cathode glow region to cover melt surface
05/17/2006CN1256445C Aluminium chromium composite deoxidized alloy block deoxidized contained chromium aluminium and its producing technology
05/11/2006US20060096416 Refining agent and refining method
05/10/2006CN1769502A Low content aluminium silicon cacium barium alloy and its manufacture method
05/10/2006CN1255557C Device for blowing gas into metallurgical furnace
05/04/2006WO2006013239A3 Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method
05/04/2006WO2006008450A3 Cored wire composition for increasing titanium content of steel
05/03/2006CN1767914A Inoculant-strainer with improved filtration effectiveness and inoculant dissolution
05/03/2006CN1766148A Large volume heat inputing in the welding tie-in tenacity excellent thick steel plate
04/2006
04/27/2006WO2005118890A3 Recovery of steel from contaminated scrap
04/26/2006CN2775068Y Hydraulic dumping device for iron melt tank
04/26/2006CN1253586C Vacuum treatment of melt metal with simultaneous helium-injection stirring
04/20/2006WO2006021123A3 Case-hardened steel and method for production thereof by fusion treatment
04/19/2006CN2773094Y Sealer on muzzle top of vacuum tank for steel water refined vacuum degassing apparatus
04/19/2006CN2773093Y Immersion cover of continuous iron-liquid pretreatment
04/19/2006CN2773092Y Double-stage mixed reactor
04/19/2006CN1761763A A method for direct steel alloying
04/19/2006CN1760160A Fast repairing material in use for flush type desulfurized for molten iron
04/19/2006CN1759948A Method for manufacturing wrapped core wire composite low azotic acierated powder and dearated alloy powder, and method of application
04/19/2006CN1759947A Production of core bundled by carbon enhanced powder containing content in low nitrogen, and method of application
04/19/2006CN1252289C Low-titanium calcium aluminate and its preparing method
04/19/2006CN1252288C Converter oxide and nitrogen top-blown dephosphorizing method
04/19/2006CN1252287C Direct-fusing apparatus and method
04/13/2006US20060076720 Refractory nozzle
04/13/2006US20060076719 System for producing alloy containing rare earth metal
04/12/2006EP1645643A1 Tuyere device for introducing gaseous media under a liquid-metal layer
04/12/2006CN2771219Y Iron melt desulfurizing stirring head
04/12/2006CN2771218Y Iron melt desulfurizing stirring head
04/12/2006CN1757763A Iron core aluminium and its preparation method
04/12/2006CN1757762A Simple hot metal pretreatment technology and its used equipment
04/12/2006CN1757761A Pretreatment agent for steelmaking molten iron
04/12/2006CN1757760A Method of smelting high nitrogen steel using additional cathode glow discharging
04/12/2006CN1250747C Method for producing a metal melt and corresponding multifunction lance
04/06/2006WO2006037066A2 Feed apparatus and portable dust collector
03/2006
03/30/2006US20060066014 Feed apparatus and portable dust collector
03/29/2006EP1640087A1 Brick body for rotary nozzle
03/29/2006EP1169115B1 Coupling for a molten metal processing system
03/29/2006CN1752221A Modified aluminium slag ball of refining slag and preparing method thereof
03/23/2006US20060060028 Refining ferroalloys
03/22/2006CN2765910Y Top spray gun for spraying powder in smelting
03/16/2006DE102004044022A1 Beruhigter, unlegierter oder mikrolegierter Walzstahl mit Bake-hardening-Effekt und Verfahren zu seiner Herstellung Calmed, non alloyed or micro-alloyed steel roller with bake-hardening effect and method for its manufacture
03/08/2006EP1631691A2 Method and installation for the production of steel products having an optimum surface quality
03/08/2006EP1560937B1 Method and device for cooling blowing lances
03/08/2006CN1745187A High-carbon steel wire rod with high strength and high toughness
03/08/2006CN1743488A Method for preparing ferro-titantium, steel and ferrovanadium from vanadium-titantium iron headings
03/08/2006CN1743468A Al-Mn-Ti-Mg deoxidation press cake
03/08/2006CN1743467A Water-repellancy high-alkalinity steel-making out-furnace refining slag production method
03/08/2006CN1244705C Multifunctional steel-iron crystal grain refining oxygen-inhibiting covering agent
03/08/2006CN1244704C Light composite steel-smelting protective agent (slag)
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