Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
06/2007
06/07/2007WO2007063748A1 INDUCTION MELTING APPARATUS EMPLOYING HALIDE TYPE CRUCIBLE, PROCESS FOR PRODUCING THE CRUCIBLE, METHOD OF INDUCTION MELTING, AND PROCESS FOR PRODUCING INGOT OF ULTRAHIGH-PURITY Fe-, Ni-, OR Co-BASED ALLOY MATERIAL
06/06/2007CN2908522Y Spherical bottom hot-metal bottle lining
06/06/2007CN1977056A Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method
06/06/2007CN1974828A Ferrochromium alloy with very low titanium content and high carbon content and its production process
06/06/2007CN1974827A Cold and hot shearing edge steel for shearing thick plate
06/06/2007CN1974797A Desulfurizing and dephosphoring refining agent for external refining of molten steel
06/06/2007CN1974796A Al-Mg-Ca-Fe alloy as composite deoxidant and its prepn
06/06/2007CN1974795A Refing steel ladle hoisting method and rotating bench unit
06/06/2007CN1974794A Method of treating molten steel with lime and RE fluoride
06/06/2007CN1974062A Crystallizer protecting cinder for continuous casting of crack sensitive steel and its prepn process
06/06/2007CN1320131C Method and device for cooling blowing lances
06/06/2007CN1320130C Liquid steel out furnace refiner
06/05/2007US7226493 Providing a grain refining alloy containing iron, quenching alloy in a molten state such that alloy contains inclusion particles, adding quenched alloy to molten steel
05/2007
05/30/2007EP1790748A1 Steel for steel pipe
05/30/2007EP1530648B1 Methods and device for decarbonising a steel melt
05/30/2007CN2905814Y Feeding protection structure of vacuum groove
05/30/2007CN2905813Y Multifunctional top-blowing gun for melt steel vacuum refining
05/30/2007CN1970818A High-strength weathering steel and method of manufacturing same
05/30/2007CN1970808A Front brake disc cast for use in car and method for making same
05/30/2007CN1970796A Production and utilization process for making steel using smelting slag
05/30/2007CN1318612C Process for producing high-nitrogen ultra low-carbon steel
05/30/2007CN1318611C Composite refiner for metallurgy
05/23/2007CN2902991Y Wire feeding wheel device on steel ladle wire feeding machine
05/23/2007CN2902526Y Core spun yarn having antiskid function
05/23/2007CN1966752A Process for producing C-Mn-Al killed steel
05/23/2007CN1966751A High-cleanliness steel and processes for producing the same
05/23/2007CN1966733A Intelligent control method for bottom-blowing argon in refining furnace
05/23/2007CN1966732A High-cleanliness steel and processes for producing the same
05/23/2007CN1966731A High-cleanliness steel and processes for producing the same
05/18/2007WO2007055609A1 Mixture for refining and modifying steel or cast-iron
05/18/2007WO2007055400A1 Steel sheet for continuous cast enameling with highly excellent unsusceptibility to fishscaling and process for producing the same
05/18/2007WO2007054957A1 An improved lance for ld steelmaking
05/17/2007US20070108674 Controlled Free Vortex Scrap Ingester and Molten Metal Pump
05/17/2007US20070108673 Molten metal processing
05/17/2007US20070108368 Focus masking structures, focus patterns and measurements thereof
05/16/2007EP1784519A2 Case-hardened steel and method for production thereof by fusion treatment
05/16/2007EP1599610B1 Gas bubbling element and corresponding gas bubbling system
05/16/2007CN1962940A Passivation solution for passivation of magnesium particles and passivation method therefor
05/16/2007CN1962916A Nb-Ti microalloying steel suitable for large line energy welding and smelting method therefor
05/16/2007CN1962892A PH vacuum tank circulation pipe repairing method
05/16/2007CN1962891A Boron composite fluxing agent for making steel
05/16/2007CN1962890A Method for making dephosphorization agent from basic skimming
05/16/2007CN1962889A Passivated magnesium desulfurizer containing rare earth oxide and method for preparing same
05/16/2007CN1962888A Ladle slag modified aluminium slag pellet
05/16/2007CN1962887A Al-Mn-Fe composite deoxidizer
05/16/2007CN1962886A Alloying fine adjustment method
05/16/2007CN1316046C Method for smelting ferro-silicon-aluminium alloy using flyash
05/16/2007CN1316045C Refining method and refining appts. of molten steel
05/09/2007CN1958826A Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method
05/03/2007WO2007049824A1 Method for manufacture of ultra-low carbon steel slab
05/03/2007US20070096373 Tuyere device for introducing gaseous media under a liquid-metal layer
05/02/2007EP1778986A2 Molten metal pump
05/02/2007CN2895431Y Molten iron pretreatment desulfurizing magnesium-spraying gun
05/02/2007CN1955321A Molten steel carbon-free thermal insulation agent
05/02/2007CN1955320A 钢包精炼渣 Ladle slag
05/02/2007CN1955319A Desulfurizing agent for hot-metal preprocess
05/02/2007CN1955318A Magnesium powder desulfurizing agent for hot-metal preprocess
05/02/2007CN1955317A Aluminium compound deoxider
05/01/2007US7211127 For ladle refinement of steel to be directly cast into thin steel strip in a continuous strip caster; includes a computer executing a number of software algorithms for determining one or more parameters
05/01/2007CA2274009C Method and installation for ladle treatment of steel
04/2007
04/26/2007WO2007046198A1 Low-carbon sulfur-containing free-cutting steel with excellent cuttability
04/25/2007CN2892879Y Molten iron desulfurizing magnesium agent spray gun
04/25/2007CN2892878Y Particle magnesium molten iron desulfurizing device
04/25/2007CN2892877Y Apparatus for producing blocky carburant
04/25/2007CN1954086A Method for reducing cr in metallurgical slags containing cr
04/25/2007CN1952183A Composite metal-liquid thermal-insulating agent and method for preparing same
04/25/2007CN1951601A Production method of heating type hollow spherical-shape continuous casting protecting slag
04/25/2007CN1312312C Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method
04/24/2007CA2240408C Process for preparing intermediates for the synthesis of antifungal agents
04/18/2007EP1572399B1 Covering means for a top slag, method for the production thereof and use of the covering means
04/18/2007CN2890074Y Vacuum refining preheating gun for molten steel
04/18/2007CN1948541A Corrosion resistant mould steel
04/18/2007CN1948538A Petroleum steel tube capable of anti hydrogen sulfide stress corrosion and its manufacturing method
04/18/2007CN1948514A Method of simultaneously dephosphorus desulfur of chromium containing molten iron using barium carbonate slag material
04/18/2007CN1948513A Manganese base alkaline earth iron alloy used for steel making
04/18/2007CN1311086C Highly clean steel and production method
04/12/2007US20070079910 Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same
04/11/2007EP1772525A1 Method for refining molten steel and apparatus therefor
04/11/2007EP1656462B1 Compact micro-porous media device for degassing molten metal
04/11/2007CN1944686A Bottom blowing method for KR method desulfurizing tank
04/11/2007CN1944343A Skimming tool
04/11/2007CN1943910A Inoculant adding method and its device
04/11/2007CN1309857C Microalloyed reinforcing steel bar containing chromium and niobium, and its production process
04/11/2007CN1309856C Method for manufacturing continuous casting low carbon steel containing boron in small square billets
04/05/2007US20070074599 Method for the introduction of inorganic solid bodies into hot liquid melts
04/04/2007EP1769090A2 Cored wire composition for increasing titanium content of steel
04/04/2007CN2885879Y On-line maintenance type spray gun device
04/04/2007CN1940114A High-hardenability die steel
04/04/2007CN1940113A Die steel
04/04/2007CN1308464C Refining agent and refining method
03/2007
03/28/2007EP1765971A2 Method and apparatus for carrying out a metallurgical process
03/28/2007CN2884282Y Position control device for steel ladle inserting piece
03/28/2007CN2883391Y Mg cored wire
03/28/2007CN2883390Y Round shaping wire feeder
03/28/2007CN2883389Y Coring line for realizing molten steel vanadium, nitrade alloy
03/28/2007CN1938434A Method in connection with steel production
03/28/2007CN1936054A Electric resistance alloy and its preparing process
03/28/2007CN1936041A Steelsmelting dust-mud pelletizing slag-melting agent compounding method
03/28/2007CN1307385C Coherence jet system with single enveloped flame ring
03/28/2007CN1307094C A calcium-silicate based slag for treatment of molten silicon
1 ... 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 115