| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 07/11/2012 | CN102560002A Method for removing fine impurities of molten steel and blowing device adopted by the method |
| 07/11/2012 | CN102560001A Desulfurization and deoxidation process for smelting stainless steel in small-capacity AOD (Argon Oxygen Decarburization) furnace by double-slag process |
| 07/11/2012 | CN102560000A Slag conglomeration agent |
| 07/11/2012 | CN102559999A Low-temperature molten iron injection dephosphorization pretreatment method |
| 07/11/2012 | CN102559998A Technology for online dusting desulfuration of steel ladles |
| 07/11/2012 | CN102559997A Seamless solid metal calcium cored wire for steelmaking and deoxidation and preparation method thereof |
| 07/11/2012 | CN102559996A New silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking and preparation technology thereof |
| 07/11/2012 | CN102559995A Water-cooled furnace lid for refined-smelting ladle furnace, and slag removal method of dust-proof flue of water-cooled furnace lid |
| 07/11/2012 | CN102559985A Method of smelting low-phosphorus steel through converter |
| 07/11/2012 | CN102559983A Method for prevention of nitrogen increase in molten steel during steel tapping from a converter |
| 07/11/2012 | CN102557694A Steel separating agent for rotary platform and furnace cover of ladle refining furnace and method for preventing steel bonding of rotary platform and furnace cover of ladle refining furnace |
| 07/11/2012 | CN102554210A Slag extracting equipment and slag extracting method |
| 07/11/2012 | CN102554148A Control method for reducing hydrogen increase of cast first-tank molten steel |
| 07/11/2012 | CN102554141A Heating covering agent for casting steel piece |
| 07/11/2012 | CN102181602B Method for adding oxidizable alloy in molten steel |
| 07/11/2012 | CN101988140B Hot metal desulphurization slag foaming agent and preparation method thereof |
| 07/05/2012 | US20120167717 Method for Manufacturing Amorphous Alloy by Using Liquid Pig Iron |
| 07/04/2012 | EP2470678A1 Device for degassing molten steel with an improved discharge nozzle |
| 07/04/2012 | CN202302374U 一种多功能异型耐高温管 A multifunctional shaped refractory tube |
| 07/04/2012 | CN202297679U 一种防漏料的rh真空合金下料电振装置 A leak-proof material under vacuum alloy material rh electric vibrator device |
| 07/04/2012 | CN202297678U 一种单罐盖双罐体vd真空炉 A single-lid dual tank vd vacuum furnace |
| 07/04/2012 | CN202297677U 一种lfv真空精炼炉 One kind lfv vacuum refining furnace |
| 07/04/2012 | CN202297676U 真空脱气炉的易熔保护塞 Vacuum degassing furnace fusible protective plug |
| 07/04/2012 | CN202297675U 扁平单管型真空精炼装置 Flat single-tube-type vacuum refining apparatus |
| 07/04/2012 | CN202297674U 一种脱氧铝质块 Aluminum block one type of deoxynucleotide |
| 07/04/2012 | CN202297673U 一种脱氧铝质颗粒 Aluminum particles of one type of deoxynucleotide |
| 07/04/2012 | CN202297672U 一种炼钢金属包芯线 One kind of steel metal cored wire |
| 07/04/2012 | CN202297671U 一种脱氧钢芯铝合金块 One kind deoxy steel core aluminum block |
| 07/04/2012 | CN202297670U 铝镁带包芯线 Aluminum and magnesium with cored wire |
| 07/04/2012 | CN202297669U 一种抑制合金氧化与防止增氮的喂线机导出装置 A method of inhibiting oxidation of the alloy and prevent increased nitrogen feed line machine export unit |
| 07/04/2012 | CN202296432U 物料投放装置 Material delivery device |
| 07/04/2012 | CN1836053B Refractory composition for constructing structure in fluidized bed reduction furnace for reduction of iron ore |
| 07/04/2012 | CN102540876A Manual console of AOD (argon oxygen decarburization) system |
| 07/04/2012 | CN102534416A Steel for freight train connecting piece and preparation method thereof |
| 07/04/2012 | CN102534398A Ferroboron-containing alloy wear-resistant material and preparation method thereof |
| 07/04/2012 | CN102534373A Super-high strength cold rolled steel belt suitable for rolling formation and manufacture method of super-high strength cold rolled steel belt |
| 07/04/2012 | CN102534362A Preparation technology for fine-grained steel 510L |
| 07/04/2012 | CN102534203A Photovoltaic silicon alloy ball and production method thereof |
| 07/04/2012 | CN102534124A Vacuum induction melting method of high-oxygen-content steel |
| 07/04/2012 | CN102534123A Waste heat recovery and heat insulation device for RH molten steel refining vacuum tank |
| 07/04/2012 | CN102534122A Ultrapure smelting method of low-alloy high-strength steel |
| 07/04/2012 | CN102534121A Stainless steel intelligent smelting system |
| 07/04/2012 | CN102534120A Smelting process for production of super-low sulphur steel |
| 07/04/2012 | CN102534119A Control method for plasticization of tire cord steel inclusion |
| 07/04/2012 | CN102534118A Method for reducing flocculating flows of low silicon aluminum killed steel |
| 07/04/2012 | CN102534117A Water-cooling furnace cover of ladle refining furnace and draining method for residual water thereinto |
| 07/04/2012 | CN102534116A Slag modifier and preparation method and application thereof |
| 07/04/2012 | CN102534101A Method and device using convertor waste gas to produce high-quality steam needed by refining furnace in matching way |
| 07/04/2012 | CN102534095A Smelting process for super clean pipeline steel |
| 07/04/2012 | CN102534094A Method for producing tire cord steel wire by converter billet continuous casting process |
| 07/04/2012 | CN102534084A Calcium iron alloy and production and preparation method thereof |
| 07/04/2012 | CN102527965A Method for desulfurizing in continuous casting process and pouring box wire feeding device thereof |
| 07/04/2012 | CN102140567B Argon-oxygen refining method for low-carbon ferrochromium alloy |
| 07/04/2012 | CN102051445B Automatic centering argon blowing device connector |
| 07/04/2012 | CN102041329B LF (Ladle Furnace) hot steel slag recycling process |
| 07/04/2012 | CN101974665B Magnesium, magnesium alloy and wastes thereof based production line for producing particle magnesium desulfurizing agent/particle magnesium alloy desulfurizing agent |
| 07/04/2012 | CN101967610B High carbon high silicon martensite stainless steel billet and preparation method thereof |
| 07/04/2012 | CN101967604B Boron-nitrogen composite microalloyecd steel allowing for high heat input welding and manufacturing method |
| 07/04/2012 | CN101906560B Magnesium-aluminum-ferromanganese alloy for steelmaking deoxidization and desulphurization and preparation method thereof |
| 07/04/2012 | CN101892355B RH furnace circulating pipe and building method thereof |
| 07/04/2012 | CN101775462B Micro powder graphite carburant, preparation method and use method thereof |
| 07/04/2012 | CN101614482B Reducing gas injecting pipe for RH refining furnace dipping pipe and fabricating method thereof |
| 07/04/2012 | CN101517343B Production of an inert blanket in a furnace |
| 07/04/2012 | CN101356295B Steel sheet for continuous cast enameling with highly excellent unsusceptibility to fishscaling and process for producing the same |
| 06/28/2012 | US20120160063 Device for degassing molten steel with an improved discharge nozzle |
| 06/28/2012 | DE112009004355T5 Vorrichtung zum Einblasen von Gas in ein Gefäß An apparatus for injecting gas into a vessel |
| 06/27/2012 | EP2295614B1 Alloy "kazakhstanski" for reducing and doping steel |
| 06/27/2012 | CN202284212U 一种脱氧铝铁合金块 Aluminum alloy block one type of deoxynucleotide |
| 06/27/2012 | CN202284211U 一种脱氧用纯铝杆 One type of deoxynucleotide pure Pole |
| 06/27/2012 | CN102517522A Steel for hydraulic piece and manufacturing method for steel |
| 06/27/2012 | CN102517521A MnCr carburized gear steel and its production method |
| 06/27/2012 | CN102517516A Composite microalloyed high impact energy cast steel and manufacturing method thereof |
| 06/27/2012 | CN102517428A Method for producing low compression ratio crack detection thick plate |
| 06/27/2012 | CN102517422A Slag melting agent of refining furnace of molten steel and production method thereof |
| 06/27/2012 | CN102517421A Multichannel molten iron desulfurization spray gun |
| 06/27/2012 | CN102517420A Ladle refining deep desulphurization method for low-carbon aluminum killed steel |
| 06/27/2012 | CN102517419A Smelting continuous casting method for high carbon steel |
| 06/27/2012 | CN102517418A Porous granular low carbon lime and production method thereof |
| 06/27/2012 | CN102517417A Method for removing and controlling foreign substances in metal and alloy |
| 06/27/2012 | CN102517415A Method for reducing nitrogen content in steel during high-carbon steel production |
| 06/27/2012 | CN102517414A Stirring device for Kambara reactor (KR) molten iron desulfurization |
| 06/27/2012 | CN102513526A Embedded type separated porous pocket brick for steel ladle |
| 06/27/2012 | CN102181603B Vanadium nitride core-spun yarn and method for realizing molten steel vanadium and nitrogen alloying |
| 06/27/2012 | CN102071284B Method for reducing water nozzle clogging of continuous casting machine |
| 06/27/2012 | CN101880746B Preparation process of nano powder modified and reinforced die steels |
| 06/27/2012 | CN101736203B High-strength weather-resisting hot rolled steel strip and manufacturing method thereof |
| 06/27/2012 | CN101597669B Hot metal dephosphorization method by using top-bottom combined blown converter under the condition of slag splashing and converter protecting |
| 06/27/2012 | CN101541981B Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation |
| 06/27/2012 | CN101429586B Steels with few alumina clusters |
| 06/21/2012 | WO2012079415A1 Steel used for railway locomotive axle and the manufacturing method thereof |
| 06/21/2012 | US20120152060 Treatment ladle |
| 06/20/2012 | CN202280834U 自控氧枪快速密封装置 Controlled oxygen lance fast sealing device |
| 06/20/2012 | CN102505098A Low-alloy heat-resistant high-strength steel and member thereof |
| 06/20/2012 | CN102505064A Method for producing calcium paste cored wires |
| 06/20/2012 | CN102505062A Converter rapid desilicification and dephosphorization pretreatment method |
| 06/20/2012 | CN102051527B Pipe made of high-strength and high-tenacity X90 thick wall seamless pipeline steel and manufacturing method thereof |
| 06/20/2012 | CN102031336B Particle magnesium desulfurizer/particle magnesium alloy desulfurizer based on magnesium, magnesium alloy and waste materials thereof and preparation method |
| 06/20/2012 | CN101857942B Hot rolled steel plate with 590MPa-level tensile strength and production method thereof |
| 06/20/2012 | CN101857937B Ferro-silico-aluminum high-pressure alloying pellet and processing technique thereof |
| 06/14/2012 | US20120144955 Method and apparatus for carrying out a metallurgical process |