| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 03/21/2007 | EP1764421A2 Device for decarbonising a steel melt |
| 03/21/2007 | CN2880847Y Spray gun device |
| 03/21/2007 | CN1934279A Process for producing low-alloy steel excelling in corrosion resistance |
| 03/15/2007 | WO2007029687A1 Low alloy steel |
| 03/14/2007 | EP1645643B1 Tuyere device for introducing gaseous media under a liquid-metal layer |
| 03/14/2007 | CN1928143A High strength anti-corrosion easy processing and low magnetic cast steel for manufacturing ship weldable structure |
| 03/14/2007 | CN1928126A Calcium-aluminium deoxidizer and preparation method thereof |
| 03/14/2007 | CN1928125A Aluminum-manganese-carbon alloy ball for steelmaking deoxidization and recarburization and preparation method thereof |
| 03/14/2007 | CN1927502A Low-carbon steel protecting slag for continuous casting of sheet billet and preparing method thereof |
| 03/14/2007 | CN1304602C Deoxygenating reinforcer |
| 03/08/2007 | WO2007025656A1 Method for manufacturing a refractory ceramic product, use of said product, and method for modifying a melt by means of the product |
| 03/08/2007 | US20070051200 Composite briquettes for electric furnace charge, and in their method of use |
| 03/07/2007 | EP1760419A1 Method for manufacturing ceramic refractory product, use of this product and method for changing a melt with the product |
| 03/07/2007 | CN2876101Y Universal wire feeding guiding tube |
| 03/07/2007 | CN1924070A Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 03/07/2007 | CN1924057A Manufacture method of weldable gray cast iron capable of repair welding by 422 mild steel welding rod |
| 03/07/2007 | CN1924056A Technology of one-step smelting medium carbon ferrochrome from chromite utilizing mine smelting furnace |
| 03/07/2007 | CN1924029A Heat static state desulfurizer in molten metal and desulfurization method |
| 03/07/2007 | CN1924028A Purifying and alloying method of wear-resistant steel fusant |
| 03/07/2007 | CN1924027A Switching method for feeding nitrogen and argon of reblowing converter bottom |
| 03/01/2007 | US20070045914 Process and device for manufacturing free-flowing metal foam |
| 03/01/2007 | US20070045913 System for detecting entry of foreign material during melting |
| 02/28/2007 | EP1757706A2 Method for refining molten steel and apparatus therefor |
| 02/28/2007 | EP1417355B1 Device for treatment of iron alloys in a vessel |
| 02/28/2007 | CN2873792Y External pretreating jet gun for molten iron furnace |
| 02/28/2007 | CN1920085A Corrosion-resistant easy cutting plastic mold steel |
| 02/28/2007 | CN1920082A High temperature self-lubrication alloyed steel, smelting method and application thereof |
| 02/28/2007 | CN1920081A Low-alloy high-strength steel |
| 02/28/2007 | CN1920080A High-toughness low-alloy constructional steel and producing method thereof |
| 02/28/2007 | CN1920060A Method of producing silicon-calcium-barium steel cleaning agent by shaft furnace |
| 02/28/2007 | CN1920059A Method of producing silicon-calcium steel cleaning agent by shaft furnace |
| 02/28/2007 | CN1302126C Method for producing low-carbon high-sulfur (sulfur-phosphorous) easy-to-cut structural steel continuous casting billet |
| 02/28/2007 | CN1302125C Alloying control method in process of RH refinement |
| 02/22/2007 | WO2007021207A1 Snorkels for vacuum degassing of steel |
| 02/22/2007 | US20070039418 Method for producing steel ingot |
| 02/21/2007 | EP1641946B1 Method for producing an alloy molten metal |
| 02/21/2007 | CN2871550Y Spray gun against contacting to bottom |
| 02/21/2007 | CN1918307A Methods employing permanent magnets having reach-out magnetic fields for electromagnetically pumping, braking, and metering molten metals feeding into metal casting machines |
| 02/21/2007 | CN1916190A Compound deoxidizer in calcium series |
| 02/15/2007 | WO2007018241A1 Electromagnetic agitator |
| 02/15/2007 | US20070035072 Transfer system for liquid metals |
| 02/14/2007 | EP1752546A1 The method of making high-purity steels |
| 02/14/2007 | CN1912149A Acetylene core-spun wire for ladle wire feeding deoxidising and its preparation method |
| 02/14/2007 | CN1912148A Iron and steel metallurgical compound refining agent |
| 02/14/2007 | CN1911558A Molten steel covering agent and its preparation method |
| 02/14/2007 | CN1299852C Cast iron member manufacturing method |
| 02/13/2007 | US7175691 Method of producing stainless steel by re-using waste material of stainless steel producing process |
| 02/07/2007 | CN2866517Y Iron melt desulfuring water cooling antisplashing cover |
| 02/07/2007 | CN1910295A Method for producing low carbon steel |
| 02/07/2007 | CN1908215A Nitrogen-aluminium-ferroalloy without efflorescence |
| 02/07/2007 | CN1908213A Composite alloy for steel-making deoxidization and microalloying |
| 02/07/2007 | CN1908199A Passivation deoxidizer for LF furnace refining and blowing and deoxidizing method thereof |
| 02/07/2007 | CN1908198A Aluminum-magnesium alloy deoxidizer for smelting steel and preparation method thereof |
| 02/07/2007 | CN1908197A 真空精炼剂及其制备方法 Vacuum refining agent and its preparation method |
| 02/07/2007 | CN1908196A Molten steel refining deterioration agent for steelmaking |
| 02/07/2007 | CN1908195A Micro-carbon, aluminium, manganese, titanium and ferrous alloy for terminal deoxidizing and alloying_of molten steel and preparation method thereof |
| 02/07/2007 | CN1908194A Method for direct steelmaking using mixture of iron oxide scale and anthracite smalls with electric furnace |
| 02/07/2007 | CN1298868C Refining method and refining apparatus of molten steel |
| 02/07/2007 | CN1298867C Suboxide steel production method |
| 02/07/2007 | CN1298458C Method for real-time estimating temperature of liquid steel in RH fining furnace |
| 02/06/2007 | CA2382168C Flux-cored wire for introducing additives into a molten metal bath |
| 02/01/2007 | US20070026230 Granulated raw material for refractory products and also a process for the production of and use of the granulated raw material |
| 02/01/2007 | US20070022842 Device and method for enhancing zinc yield from bottom dross |
| 01/31/2007 | EP1747297A1 Method for reducing cr in metallurgical slags containing cr |
| 01/31/2007 | CN2863267Y Overhead gantry type spray gun mobile device |
| 01/31/2007 | CN1906313A Steel desulphurating agent and use thereof in the desulphuration of steel |
| 01/31/2007 | CN1906312A Method for the introduction of inorganic solid bodies into hot liquid melts |
| 01/31/2007 | CN1904107A Technological method for improving comprehensive performance of M42 high speed steel |
| 01/31/2007 | CN1904084A Production method of high strength synthetic cast iron electric machine main shaft disk |
| 01/31/2007 | CN1903479A Vacuum treatment technique for molten steel with excellent performance of molten steel casting |
| 01/31/2007 | CN1297672C Electric steelmaking process by blowing CO2 gas |
| 01/30/2007 | CA2409693C Carrier material and desulfurization agent for desulfurizing iron |
| 01/30/2007 | CA2333807C System for providing proximate turbulent and coherent gas jets |
| 01/24/2007 | CN2861176Y Processing apparatus for on-line accident of finery |
| 01/24/2007 | CN2861175Y Slit-type ladle bottom blowing power injection apparatus |
| 01/24/2007 | CN2861173Y Slag decomposing agent of steel-making dust slime sphere |
| 01/24/2007 | CN1900327A Standby preheating device and method for molten steel refining vacuum channel |
| 01/24/2007 | CN1900326A Iron core aluminum-iron composite deoxidizing agent |
| 01/24/2007 | CN1900325A Composite reinforced producing method for high strength steel |
| 01/24/2007 | CN1296496C Integrated device for molten iron pretreatment for desulfuring and scumming |
| 01/24/2007 | CN1296157C Refractory plug or brick for injecting gas into molten metal and its production method |
| 01/18/2007 | US20070012383 Adjusting value of ([Ti]/47.9)([N]/14)/([Ca])/40.1) satisfies not less than 0.0008 and not more than 0.0066, at the time of melting the said low alloy steel, wherein [Ti], [N] and [Ca] are the contents in the molten steel by mass % of titanium, nitrogen, and calcium respectively |
| 01/17/2007 | CN2858663Y Improved circulating molten steel vacuum refining device |
| 01/11/2007 | US20070009373 Mold powder for continuous casting of steel |
| 01/10/2007 | EP1627085B1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 01/10/2007 | EP1474537A4 Model-based system for determining process parameters for the ladle refinement of steel |
| 01/04/2007 | US20070001353 Systems and methods for accessing a furnace melt |
| 01/04/2007 | US20070000350 Covering means for a top slag, method for the production thereof and use of the covering means |
| 01/03/2007 | CN2853809Y Rotation spray lance for metallurgy |
| 01/03/2007 | CN1888426A Multi-stage type vacuum pumping device and vacuum pumping method thereof |
| 01/03/2007 | CN1888120A Ultra-high strength steel with excellent corrosion resistance and fatigue resistance and its making process |
| 01/03/2007 | CN1888088A Ladle lining structure and slag preventing paint |
| 01/03/2007 | CN1888086A Technological process and apparatus for heating high concentration CO and other reducing gas |
| 01/03/2007 | CN1293209C Heating high efficiency sweetening agent |
| 01/02/2007 | CA2283903C Method for feeding granular solids into metal melts |
| 12/27/2006 | CN2851272Y Molten iron desulfurization and spheroidization device |
| 12/27/2006 | CN1884600A Method for molten steel recarburization and vanadium alloying |
| 12/27/2006 | CN1884591A Outer desulfurization method for acid induction furnace |
| 12/27/2006 | CN1884590A Production method of ferro-calcium core-spun yarn molten steel deoxidizing agent |
| 12/27/2006 | CN1884589A Production method of ferro-calcium core-spun yarn molten steel deoxidizing agent |