Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
12/2006
12/27/2006CN1884588A Manganese pellet ore and associated method of production
12/27/2006CN1884587A Modified electric oven slagging agent, production process and uses
12/27/2006CN1292080C Method for treating slags on and iron bath
12/20/2006EP1733061A1 Method in connection with steel production
12/20/2006CN2848866Y Slag dumping machine
12/20/2006CN1880496A Process for producing ultrafine aluminium low-carbon ferrosilicon
12/19/2006US7150777 to recover valuable gases at any pressure in a process, including the recovery from high vacuum level container in the last stage of gas recovering; prevents quenching gas from being lost to the atmosphere; receiver vessel is able to maintain constant pressure by means of changing its volume
12/14/2006WO2006131764A1 Manufacture of ferroalloys
12/14/2006US20060278042 Method of producing stainless steel by re-using waste material of stainless steel producing process
12/14/2006DE10083732B4 Verfahren zur Herstellung von Injektionsdraht A process for the production of wire injection
12/13/2006CN2846431Y No-moving interface device for vacuum refining furnace double tank
12/13/2006CN1876853A Manganese carbon alloy ball for steel-making recarburization
12/07/2006US20060273499 Brick body for rotary nozzle
12/06/2006EP1728877A1 Process for producing low-alloy steel excelling in corrosion resistance
12/06/2006CN2844131Y Fast arrangement of non-injure covered wire coil
12/06/2006CN1875124A Thin steel sheet excelling in surface property, moldability and workability and process for producing the same
12/06/2006CN1873037A Method for smelting carbon dioxide corrosion resistant steel
12/06/2006CN1873032A Apex slag of ladle in use for refinement of vacuum decarburization in vacuum tank
12/06/2006CN1873031A Dephosphorization agent for converter, and preparation method
12/06/2006CN1873030A Assistant deoxidizer in use for smelting cold rolled and hot rolled low carbon aluminium-killed steel
12/06/2006CN1288268C Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same
12/06/2006CN1288256C Carburant for manganese-carbon alloy
12/05/2006CA2379591C Metal refining method using differing refining oxygen sequence
12/05/2006CA2303650C Multiple coherent jet lance
11/2006
11/29/2006CN2841671Y Top-blown auxiliary equipment for metallurgical external slag-removing treatment technology
11/29/2006CN2841670Y Slag-removing awxiliary equipment for metallurgical external treatment technology
11/29/2006CN1869252A Superlight, carbonless granular ladle covering agent resource saving and environment type
11/29/2006CN1869251A Method for producing direct reduction iron using iron-contained waste material as raw material
11/29/2006CN1286991C Stainless steel slagging and degassing refining agent
11/23/2006US20060260719 Steels product reduced in amount of alumina cluster
11/23/2006US20060260435 Method for producing foamed slag on high-chromium melts in an electric furnace
11/22/2006CN2839298Y Automatic regulator for steel ladle bottom argon-blowing system
11/22/2006CN2839296Y Steel-smelting furnace
11/22/2006CN1867685A Method for producing steel ingot
11/22/2006CN1865458A Lf炉钢渣球 Lf furnace slag ball
11/22/2006CN1865456A Alloy cored wire for deeply desulfurization of steel bucket finery and its preparation method
11/22/2006CN1864879A A method for making semi-processed cold rolled silicon steel in thin slab continuous casting and continuous rolling process
11/22/2006CN1285738C Preprocessing agent for molten iron and method for preparing same
11/21/2006US7138084 Refractory articles
11/15/2006EP1721017A2 Method for producing low carbon steel
11/15/2006CN1863624A Mold powder for continuous casting of steel
11/15/2006CN1861831A 1100Mpa grade non modified high-strength steel and production process thereof
11/15/2006CN1284868C Method for preparing composite deoxidant silicon aluminium barium calcium manganese iron ally used for steel making
11/15/2006CN1284867C Method for making magnet-free stainless steel through screw stem
11/14/2006CA2399110C Composition for treating steel making slags
11/08/2006CN2835250Y Swing device for ladle wire-feeding conduit
11/08/2006CN1858282A Low S low Pb forgeable free cutting steel and its producing process
11/08/2006CN1858267A Molten steel composite refining agent
11/08/2006CN1858266A SAE 1008 deoxidizing process
11/08/2006CN1858265A Two-thread vertical thread feeding method and its device
11/08/2006CN1283809C Silicon-aluminium-calcium composite deoxidant and its preparing method
11/02/2006WO2006037066A3 Feed apparatus and portable dust collector
11/01/2006CN1854315A Iron production method
10/2006
10/25/2006EP1715065A2 A wire for injecting into a steel melt and process of treating a steel melt using said wire
10/25/2006EP1713941A1 A cored wire injection process in steel melts
10/25/2006CN2831119Y Electrode gripper for treatment of molten metal
10/25/2006CN1851022A Marine carbon-manganese steel smelting technological method
10/25/2006CN1851004A Low-silicon low-carbon aluminium full killed steel refining method
10/25/2006CN1851003A High-absorbility magnesium-feeding line desulfurizing method and its special apparatus
10/25/2006CN1851002A Low-aluminium composite deoxidant containing magnesium
10/18/2006CN1847439A Guide and guard roller for guiding steel billet in high speed wire rolling machine and its making process
10/18/2006CN1847411A Pre-deoxygenated synthetic pellet for steel making in electric arc furnace and its making process
10/18/2006CN1280432C Low vacancy ferroferrite fluxing agent and preparation method thereof
10/11/2006CN1844434A Steel for loader shovel tool blade and method for producing same
10/11/2006CN1844432A Mn-base alkaline earth ferroalloy for steel making
10/11/2006CN1844412A High-manganese low-carbon composite alloy and method for preparing same
10/05/2006US20060219052 Method and a device for detecting slag
10/04/2006EP1707644A1 Method for producing high cleanness steel excellent in fatigue strength or cold workability
10/04/2006EP1507876B1 Metallurgical treatment method on a metal bath
10/04/2006CN1840713A Dephosphorization agent for chromium-containing molten iron
10/04/2006CN1277936C Prepn process of molten steel refining slag
09/2006
09/27/2006CN2820876Y Water cool oxygen blower for smelting furnace
09/27/2006CN1839208A Refractory composition for constructing dome portion of fluidized bed reduction furnace for reduction of iron ore
09/27/2006CN1837390A Method for preparing low-silicon high-titanium ferroalloy employing lower ignition method
09/27/2006CN1837378A Dephosphorizing and desulfurizing agent and preparation process thereof
09/21/2006US20060207387 Formed articles including master alloy, and methods of making and using the same
09/20/2006EP1563102A4 Reclaimed magnesium desulfurization agent
09/20/2006CN2818491Y Speed-adjusting filament feeder controlled by pneumatic system
09/20/2006CN2818490Y Hydraulic slagger
09/20/2006CN1836053A Refractory composition for constructing structure in fluidized bed reduction furnace for reduction of iron ore
09/20/2006CN1836052A Method for producing high cleanness steel excellent in fatigue strength or cold workability
09/20/2006CN1834270A Method of preparing Mg, Sr alloy by vacuum heat reduction
09/20/2006CN1834266A Manganese sieris sodium-based strong desulfurizer
09/20/2006CN1834265A Carbon-silicon-manganese pressed blocks
09/20/2006CN1834264A Additive of removing impurities in molten metal
09/20/2006CN1276115C High-sulphur abrasion-resistant casting steel
09/20/2006CN1276100C Complex deoxidizer and its application technology and its use method in clean molten steel
09/13/2006EP1699940A1 Steel desulphurating agent and use thereof in the desulphuration of steel
09/13/2006CN1831164A Method for producing high titanium iron contg. low oxygen and low nitrogen
09/13/2006CN1831156A Vacuum air removing technology for austenite stainless steel
09/13/2006CN1831155A Composite desulfuration method for molten iron
09/13/2006CN1831154A Si-Ca-Ti-Fe alloy used for steelmaking desoxidant
09/13/2006CN1831153A Al-Mn-Fe alloy contg. trace corbon, low silicon, low phosphorus, low sulphur used for steelmaking
09/13/2006CN1831152A Al-Mg-Fe alloy contg. trace carbo, low silicon, low phosphorus, low sulphur used for steelmaking
09/13/2006CN1831151A Al-Ca-Fe alloy contg. trace carbon, low slilicon, low phosphorus, low sulphur used for steelmaking
09/13/2006CN1831150A Al-Mn-Ti-Fe alloy contg. trace carbon, low silicon, low phosphorus, low sulphur used for steelmaking
09/13/2006CN1831149A Al-Mn-Ca-Fe alloy contg. trace carbon, low silicon, low phosphorus, low sulphur used for steelmaking
09/13/2006CN1831148A Al-Mg-Ca-Fe alloy contg. micro-carbon, low silicon, low phosphorous, low-sulphur used for steelmaking
09/13/2006CN1831147A Method for producing slag forming agent contg. high calcium and low silicone by corundum arc furnace
09/12/2006US7105066 Heating, hot rolling, crystallization, precipitation, cooling, transformation steel slab
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