| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 11/16/2005 | CN1227374C Production process of silicon calcium barium magnesium liquid steel cleaning agent |
| 11/09/2005 | CN1693487A Molten steel purification agent used in steel making production technology |
| 11/09/2005 | CN1226441C Reinforced durable tool steel method for the production thereof method for producing parts made of said steel and parts thus obtained |
| 11/09/2005 | CN1226426C Steel-core aluminium-system compound deoxidant and production process thereof |
| 11/03/2005 | WO2004074523A3 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 11/02/2005 | CN1690229A Highly clean steel and production method |
| 10/26/2005 | CN1687465A Ferro manganese alloy containing ultralow phosphor and micro carbon |
| 10/26/2005 | CN1224727C NiCuSiFe alloy |
| 10/26/2005 | CN1224722C Aluminum-calcium slag and its preparing method |
| 10/20/2005 | WO2005098054A1 Method in connection with steel production |
| 10/20/2005 | US20050229745 Metallurgical slag |
| 10/19/2005 | CN2734768Y Inactivate granular magnesium |
| 10/19/2005 | CN2734767Y Iron core aluminum composite deoxidation block |
| 10/13/2005 | US20050223850 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 |
| 10/12/2005 | CN1680609A Desulfurizing gun jet with low thermal strain |
| 10/12/2005 | CN1222629C Method for producing stainless steels |
| 10/12/2005 | CN1222628C Method and apparatus for producing desulfurizing agent for hot-metal |
| 10/11/2005 | US6953548 Apparatus for transferring liquid metals from a collection container to a receiving container |
| 10/11/2005 | CA2135568C Combined installation for the production of metal and the separation of gas from air |
| 10/06/2005 | WO2005093106A1 Method for dephosphorization of hot metal |
| 10/05/2005 | CN1678761A Steel material having little alumina cluster |
| 10/05/2005 | CN1676653A Anticorrosion, wear-resistant plastic die steel 4Cr16Mo and its mirror large-die-block preparing and producing method |
| 10/05/2005 | CN1676632A Composite iron ball for steel smelting and its production process |
| 10/05/2005 | CN1676630A Method for smelting ferro-silicon-aluminium alloy using flyash |
| 10/05/2005 | CN1676629A Method for roasting sludge ball of steel smelting by using shaft furnace |
| 10/05/2005 | CN1676625A Vacuum powder-spraying desulfurizing powder |
| 10/05/2005 | CN1676624A Method for preparing manganese series multi-element composite deoxidant for steel smelting and its product |
| 10/05/2005 | CN1676623A Silicon-aluminium-calcium composite deoxidant and its preparing method |
| 10/05/2005 | CN1676621A Suboxide steel production method |
| 10/05/2005 | CN1221672C Silicon-manganese-calcium alloy and its production method |
| 10/05/2005 | CN1221671C Flux-cored wire for introducing additives into molten metal |
| 09/29/2005 | WO2005090615A1 Process for producing low-alloy steel excelling in corrosion resistance |
| 09/29/2005 | WO2005090614A1 New desulphurating agents for decreasing sulphur content of iron melts to ultra low level |
| 09/29/2005 | WO2005078142B1 A cored wire injection process ih steel melts |
| 09/28/2005 | CN1675392A Refining ferroalloys |
| 09/28/2005 | CN1675383A Method and apparatus for decarburization of molten steel |
| 09/28/2005 | CN1673397A Method for controlling dusting speed of molten iron pretreatment |
| 09/21/2005 | CN1670232A Method for smelting high nitrogen steel |
| 09/21/2005 | CN1670225A Reduction dephosphorization method of ultra-low carbon austenitic stainless steel |
| 09/21/2005 | CN1670224A Stainless steel dephosphorization agent under reducing atmosphere |
| 09/21/2005 | CN1219894C Mirocarbon aluminium iron alloy used for molten steel deoxygenation and alloying and its preparation method |
| 09/21/2005 | CN1219893C Cored aluminium wire |
| 09/20/2005 | US6945077 Method for treating steel plant slag |
| 09/15/2005 | DE19832701B4 Verfahren zur Erzeugung von Stahl A process for the production of steel |
| 09/14/2005 | EP1572399A1 Covering means for a top slag, method for the production thereof and use of the covering means |
| 09/14/2005 | EP1342798B1 Process for producing high-nitrogen ultralow-carbon steel |
| 09/14/2005 | CN1667153A Tin calcium titanium series free-cutting steel |
| 09/14/2005 | CN1667136A Process for preparing low-alloy wear-resistant steel without high temperature heat treatment |
| 09/14/2005 | CN1667132A Low vacancy ferroferrite fluxing agent and preparation method thereof |
| 09/14/2005 | CN1667131A 改良的复合铝球及制备方法 Improved composite aluminum ball and preparation methods |
| 09/14/2005 | CN1667130A Carburant for manganese-carbon alloy |
| 09/14/2005 | CN1667129A Method for producing sulfur free cutting and non-hardened and tempered steel |
| 09/14/2005 | CN1219099C Production process of aluminium-containing steel |
| 09/14/2005 | CN1219081C Blowing purifying method for casting ladle |
| 09/14/2005 | CN1219080C Pre fusion typed refining purifying agent and prducing technique |
| 09/14/2005 | CN1219079C Homogeneous slag blocking ball and its producing method |
| 09/08/2005 | DE102004004038B3 Process to manufacture fully-killed aluminium-steel by introduction of calcium carbonate |
| 09/07/2005 | CN1665942A Metallurgical treatment method on a metal bath |
| 09/07/2005 | CN1664146A Feeding method for magnesium core spun yarn and device thereof |
| 09/07/2005 | CN1664128A Process for composite desulfurization of molten iron |
| 09/07/2005 | CN1664127A Process for dephosphorization and desulfurization of molten iron |
| 09/07/2005 | CN1664126A Complex deoxidizer and its application technology in smelting of 0Cr17Ni4Cu4Nb clean molten steel |
| 09/07/2005 | CN1664125A Prevention of split crack of carbon in intermediate carbon and alloy structural steel ingot by adding titanium and process for producing same |
| 09/07/2005 | CN1664124A Magnesium core spun yarn |
| 09/07/2005 | CN1664123A Stainless steel slagging and degassing refining agent |
| 09/07/2005 | CN1664122A Method for producing low-carbon high-sulfur (sulfur-phosphorous) easy-to-cut structural steel continuous casting billet |
| 09/07/2005 | CN1664121A Electric steelmaking process by blowing CO2 gas |
| 09/07/2005 | CN1664120A Process for preparing slag by pelletization of steel-making dust slime |
| 09/07/2005 | CN1664119A Slag from aluminum smelting for making clean steel and method for preparing same |
| 09/07/2005 | CN1664118A Converter steelmaking process by blowing CO2 gas |
| 09/07/2005 | CN1218054C Method for desulfurizing melted iron |
| 09/01/2005 | WO2005080612A1 Device for treating liquid metal in a ladle |
| 09/01/2005 | WO2005080611A1 Suction hood for a liquid metal ladle and suction method |
| 08/31/2005 | EP1568790A1 Apparatus for the treatment of liquid metal in a ladle |
| 08/31/2005 | EP1568789A1 Dust collector for metallurgical ladle and dust collection process |
| 08/31/2005 | EP1567680A2 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 08/31/2005 | EP1567251A2 Molten metal shaft coupling system |
| 08/31/2005 | CN1217017C Method for receiving metallic chromium from slag contg. chromium oxide |
| 08/31/2005 | CN1217016C Ultra low silicon welding rod steel continuos casting production process |
| 08/25/2005 | WO2005078142A1 A cored wire injection process ih steel melts |
| 08/24/2005 | CN1216158C Slag-pushing refining process under protection of inert gas |
| 08/24/2005 | CN1216157C Oxygen lance having high temperature coating |
| 08/23/2005 | US6932854 Method for producing low carbon steel |
| 08/17/2005 | EP1563102A1 Reclaimed magnesium desulfurization agent |
| 08/17/2005 | CN1656015A A calcium-silicate based slag for treatment of molten silicon |
| 08/17/2005 | CN1654687A Refining material for reductive steel refining and granulation method thereof |
| 08/17/2005 | CN1215182C Slag collecting thermal-insulating covering agent |
| 08/11/2005 | US20050173030 Method for manufacturing steel plate having superior toughness in weld heat-affected zone |
| 08/11/2005 | US20050172758 Steel refining material for reductive steel refining and granulation method thereof |
| 08/11/2005 | US20050172757 Calcium-silicate based slag for treatment of molten steel |
| 08/10/2005 | EP1561834A1 Duplex stainless steel and method for production thereof |
| 08/10/2005 | EP1561828A1 Refining material for reductive steel refining and granulation method thereof |
| 08/10/2005 | EP1560937A1 Method and device for cooling blowing lances |
| 08/10/2005 | EP1490522B1 Method for treating alloyed carbonic iron smelts used for the production of steel |
| 08/10/2005 | EP1481100B1 Method for the production of stainless steel, particularly high-grade steel containing chrome or chrome nickel |
| 08/10/2005 | CN2716278Y Anti-skid rare earth alloy cladded wire for making steel |
| 08/10/2005 | CN1214126C Method for vacuum induction smelting high-chrome super-purity ferrite stainless steel |
| 08/10/2005 | CN1214120C Variably insertable combined Iance with displacable burner and blower lance body |
| 08/04/2005 | WO2005071120A1 Method for producing high cleanness steel excellent in fatigue strength or cold workability |
| 08/04/2005 | WO2005069977A2 Method for producing low carbon steel |