| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 01/10/2001 | CN1060532C Calcium-base ternary alloy |
| 01/10/2001 | CN1060527C Vacuumtight reaction vessel for steel processing with packing gland |
| 01/10/2001 | CN1060526C Process and device for post-combustion of reaction gases produced during the vacuum processing of steel |
| 01/10/2001 | CN1060525C Method for producing refining flux in steel making and use |
| 01/09/2001 | US6171544 Multiple coherent jet lance |
| 01/09/2001 | CA2195922C Briquette as an additive for metallurgic purposes comprising silicon-containing residues, and process for its production |
| 01/03/2001 | CN1278559A Multi-component Si-Ca-Ba deoxidizer and desulfurizer for steel smelting |
| 12/28/2000 | WO2000079014A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 12/28/2000 | WO2000078482A1 Metallurgical treatment apparatus |
| 12/27/2000 | CN1278012A Method for producing slag forming agent for steelmaking using convertor sludge as raw material |
| 12/27/2000 | CN1278010A Direct smelting method and equipment |
| 12/27/2000 | CN1059931C Al-Mn-Ti-Fe alloy used for final deoxidation and low alloy steel additive |
| 12/26/2000 | US6166681 Measuring the thickness of materials |
| 12/21/2000 | WO2000077467A1 Through-hole sealing device |
| 12/21/2000 | WO2000077264A1 Refining method and refining apparatus of molten steel |
| 12/21/2000 | CA2374750A1 Through-hole sealing device |
| 12/20/2000 | CN1059717C Solid electrolyte electrolysis deoxidation apparatus |
| 12/20/2000 | CN1059708C Low alkaline synthetic slag for liquid steel external refining |
| 12/19/2000 | US6162388 Metallurgical reactor for the treatment under reduced pressure of a liquid metal |
| 12/19/2000 | US6162387 Vacuum refining furnace |
| 12/14/2000 | WO2000075380A1 Discharge channel for melting furnaces and pouring ladles |
| 12/14/2000 | CA2376066A1 Discharge channel for melting furnaces and pouring ladles |
| 12/13/2000 | EP1059360A2 Method of desulfurizing molten iron |
| 12/13/2000 | CN1276435A Clad Mg-based wire and its application in external desulfurization of molten iron |
| 12/13/2000 | CN1276434A Method for desulfurizing melted iron |
| 12/13/2000 | CN1059469C Cold pressing iron scale pellet cooling,slag melting agent and making method thereof |
| 12/07/2000 | DE19925598A1 Abstichkanal für Schmelzöfen und Gießpfannen Tapping channel for furnaces and ladles |
| 12/06/2000 | CN1276019A Ferrite-and calcium-based flux, mixture for its production, and use thereof |
| 12/06/2000 | CN1275625A Semi-steel dephosphorizing desulfurizing steel-making technology |
| 12/05/2000 | US6156263 Includes an rh vacuum-degassing device consisting of a vessel and a snorkel composed of an up-leg and a down-leg. |
| 11/30/2000 | WO2000071955A1 Method and system for the treatment of liquid metals |
| 11/30/2000 | DE19923205C1 Verfahren und Anlage zum Behandeln von flüssigen Metallen Method and apparatus for treating liquid metals |
| 11/30/2000 | CA2273393A1 Ladle for enhanced steel vacuum decarburization |
| 11/29/2000 | CN1275238A Soft magnetic nickel-iron aloy with low coercive field strength, high permeability and improved resistance to corrosion |
| 11/29/2000 | CN1275169A 简易钢包精炼方法 Easy ladle refining method |
| 11/29/2000 | CN1274759A Composite spray gun for vacuum air-removing tank and its using method |
| 11/25/2000 | CA2307800A1 Composite for a dense briquette for re-heating a steel bath in a ladle |
| 11/22/2000 | EP1054069A2 Multi-function lance for a vacuum degassing chamber and a method of using the same |
| 11/22/2000 | CN1274390A Appts. and method for secondary refinemnt of metals |
| 11/16/2000 | WO2000068442A1 Method of decarburisation and dephosphorisation of a molten metal |
| 11/16/2000 | CA2371652A1 Method of decarburisation and dephosphorisation of a molten metal |
| 11/15/2000 | EP1051714A1 Soft magnetic nickel-iron alloy with low coercive field strength, high permeability and improved resistance to corrosion |
| 11/15/2000 | EP1051525A1 Method for loading an electric oven with a powder material in the form of a filled hollow body |
| 11/09/2000 | DE19921161A1 Elektroschlacke-Umschmelzanlage mit einer Kokille und einer Haube Electroslag remelting plant with a mold and a hood |
| 11/08/2000 | CN1272890A Steel wire rod and method of manufacturing steel for the same |
| 11/07/2000 | US6143050 Modifying slag for smelting steel in electric arc furnaces |
| 11/01/2000 | CN1271779A Multi-element compound Mn-series deoxidizer for deoxidizing and alloying in smelting steel |
| 10/26/2000 | WO2000062957A1 Treatment for improving the castability of aluminium killed continuously cast steel |
| 10/25/2000 | EP1046721A1 Method of consolidating powdery alloying additives for steelmaking |
| 10/25/2000 | CN1271021A Pre-smelted steel ladle slag reductant and its preparation |
| 10/19/2000 | WO2000061823A1 Method and device for tapping molten metal from metallurgical vessels |
| 10/19/2000 | WO2000061269A1 Coupling for a molten metal processing system |
| 10/19/2000 | DE19917008A1 Alloying additive moulding, for cast iron production in cupola, induction or arc furnaces, comprises silicon carbide granules and a binder containing molasses and optionally calcium hydroxide |
| 10/19/2000 | CA2366193A1 Method and device for tapping molten metal from metallurgical vessels |
| 10/18/2000 | CN2401567Y Core-spun wire for deep desulfuration in steelmaking |
| 10/18/2000 | CN1270236A Ultra-low-C low-P MnFe alloy |
| 10/18/2000 | CN1270233A Low-C low-P MnAlFe deoxidant |
| 10/12/2000 | DE19916232A1 Verfahren und Vorrichtung zum Abstechen von Metallschmelzen aus metallurgischen Schmelzgefäßen Method and apparatus for tapping of molten metals from metallurgical melting vessels |
| 10/11/2000 | CN2400455Y Air brick base brick |
| 10/11/2000 | CN1269425A Multi-condensed jet-flow spray gun |
| 10/10/2000 | US6129791 Preventing austenite grains form growing |
| 10/04/2000 | EP1041341A1 Multiple coherent jet lance |
| 10/04/2000 | CN2399398Y Smolten iron desulfurizing unit |
| 10/03/2000 | US6125919 Mold powder for continuous casting and method of continuous casting |
| 09/26/2000 | US6125133 Lance/burner for molten metal furnace |
| 09/20/2000 | EP1036776A1 Unburned carbon-containing refractory material and vessel for molten metal |
| 09/20/2000 | EP1036205A1 Method and oxygen lance for injecting gases into a metallurgical tank |
| 09/19/2000 | US6120578 Method of producing cluster-free Al-killed steel |
| 09/14/2000 | WO2000053539A1 Method for treating stainless steel refining slag |
| 09/14/2000 | CA2331182A1 Method for the treatment of slag resulting from the refining of stainless steel |
| 09/13/2000 | CN1056415C Aluminium-contained premelting slag and prevention method thereof and molten steel desulfurizer and purifier containing same |
| 09/12/2000 | US6117389 Titanium killed steel sheet and method |
| 09/07/2000 | DE19916235A1 Filled wire for treating melts, especially of cast iron to obtain a spheroidal graphite structure, comprises a metal sheathed magnesium or deformable magnesium alloy core wire |
| 09/07/2000 | DE19916234A1 Filled wire for treating melts, especially of iron or steel, comprises an external metal sheath enclosing a treatment agent powder and an inner treatment agent wire |
| 09/07/2000 | DE19910398A1 Converter and/or electric furnace production of low sulfur content steel comprises adding recycled and/or fresh secondary refining slag during and/or after tapping into a ladle |
| 09/06/2000 | CN1265426A Composite deoxidant for smelting steel and its preparation |
| 08/29/2000 | US6110300 Tool of martensitic stainless steel alloy having high oxidation resistance, high corrosion resistance, good hot workability, high strength, high wear resistance |
| 08/23/2000 | CN1263951A Technology for forming reductive foam slag in ladle furnace |
| 08/17/2000 | WO2000047783A1 Aluminium shapes as deoxidants for steelmaking |
| 08/16/2000 | EP1028166A2 Composition for hindering the formation of iron oxides in steel-melting slag and EAF scrap- based steelmaking process using the same |
| 08/16/2000 | EP1027462A1 Method and device for controlling the formation of foamed slag in an arc furnace |
| 08/16/2000 | EP0793731B1 Process and apparatus for the manufacture of steel from iron carbide |
| 08/16/2000 | CN2391893Y Double VD vacuum handling means |
| 08/16/2000 | CN1263163A Rare earth composite deoxidation material and its technological process |
| 08/15/2000 | CA2009022C Dispersing gas into molten metal |
| 08/09/2000 | EP1026266A1 Simple ladle refining method |
| 08/09/2000 | CN1262337A One-step process for producing SiCaAlBaFe alloy with ore roaster |
| 08/08/2000 | US6099614 Method and equipment for a treatment in molten cast iron baths with reaction materials having a low or high production of gas |
| 08/02/2000 | CN1261549A Technology and equipment for mixing active lime powder and liquid adhesive |
| 08/01/2000 | US6096261 Coherent jet injector lance |
| 08/01/2000 | CA2147820C Method and apparatus for an improved steel strap |
| 08/01/2000 | CA2125732C Machinability martensitic stainless steel |
| 07/27/2000 | WO2000043562A1 Stainless steels |
| 07/26/2000 | EP1021571A1 Apparatus and method for the secondary refinement of metals |
| 07/25/2000 | US6093235 Process for decarbonising a high-chromium steel melt |
| 07/12/2000 | EP1018565A1 Steel wire rod and method of manufacturing steel for the same |
| 07/12/2000 | EP0842302B1 Slag treatment |
| 07/12/2000 | CN1054322C Granular insulating agent and it prodn. process |
| 07/05/2000 | EP1015653A1 Metallurgical vessel |
| 07/04/2000 | US6083296 Method of producing metals and metal alloys |