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