| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 06/13/2012 | EP2324133B1 Inlet nozzle for a degassing vessel for metallurgical melting operating according to the rh method |
| 06/13/2012 | CN202272917U 一种炼钢真空室各部件存放工作台 One kind of steel vacuum chamber to store the parts table |
| 06/13/2012 | CN202272916U 一种真空循环脱气炉用插入管 A vacuum degassing insertion tube furnace |
| 06/13/2012 | CN202272915U 一种复合结构透气砖 A composite structure purging |
| 06/13/2012 | CN202272914U 一种钢包精炼炉喂线机导向管 One kind of ladle refining furnace feed line machine guide tube |
| 06/13/2012 | CN202272913U 高效复合包芯线 Efficient composite cored wire |
| 06/13/2012 | CN102492814A Straight pull wire for high-carbon steel fine wires and manufacturing method for straight pull wire |
| 06/13/2012 | CN102492803A Heat treatment method of slag-removing agent with obsidian as raw material |
| 06/13/2012 | CN102492800A Stirring device for KR method molten iron desulphurization |
| 06/13/2012 | CN102492799A Molten iron desulphurization stirring spray gun |
| 06/13/2012 | CN102492798A Molten iron desulfurization/dephosphorization spray gun |
| 06/13/2012 | CN101984088B Method for preparing premelted refining slag by using converter slag and aluminum slag |
| 06/13/2012 | CN101824510B Argon blowing method at bottom of steel ladle for continuously casting steel |
| 06/13/2012 | CN101736200B High-carbon steel multi-alloy wear-resisting ball and production method thereof |
| 06/13/2012 | CN101586205B Method for producing low-alloy peritectic steel by medium-thickness slab caster |
| 06/06/2012 | EP2459756A1 Process for producing an ultra-low-carbon steel slab, strip or sheet |
| 06/06/2012 | CN202265590U 实芯金属钙铝包芯线 Solid aluminum calcium metal cored wire |
| 06/06/2012 | CN102031452B 合金钢及其制造方法 Alloy and manufacturing method thereof |
| 06/06/2012 | CN102010926B Process for smelting and producing medium high carbon steel |
| 06/06/2012 | CN101948983B Preparation method of rail steel |
| 06/06/2012 | CN101736131B Pre-melted desulfurizing agent for refining molten steel and preparation method thereof |
| 06/06/2012 | CN101476078B Method for manufacturing super two-phase stainless steel large-sized sea water pump shaft |
| 05/30/2012 | CN202246739U Steel structure liner for dip pipe of RH refining furnace |
| 05/30/2012 | CN202246738U Melted iron desulfurizing stirring head |
| 05/30/2012 | CN202246737U Throat device for powder blanking valve of desulfuration powder injection tank |
| 05/30/2012 | CN102477477A 一种钢水真空精炼方法 A method of refining molten steel |
| 05/30/2012 | CN102477476A 一种真空感应炉难熔合金的加料方法 A vacuum induction furnace refractory alloy of gold feeding method |
| 05/30/2012 | CN102477475A 一种真空感应炉冶炼含锰钢控制锰含量的方法 A vacuum induction furnace method for controlling manganese content of manganese-containing |
| 05/30/2012 | CN102477474A 一种真空感应炉冶炼钢水的加硫方法 A vacuum induction furnace molten sulfur plus method |
| 05/30/2012 | CN102477473A 一种真空感应炉冶炼含硼钢控制硼含量的方法 A method of vacuum induction furnace control boron content of boron steel |
| 05/30/2012 | CN102477472A 一种低碳钢的脱硫精炼方法 Desulfurization method of refining a low-carbon steel |
| 05/30/2012 | CN102477471A 一种控制高碳钢中钛含量的方法 A method of controlling high-carbon steel titanium content method |
| 05/30/2012 | CN102477470A 一种热核实验堆用不锈钢材料夹杂物的控制方法 A method for controlling the ITER stainless steel material inclusions |
| 05/30/2012 | CN102476175A 随流孕育装置 Stream inoculation device |
| 05/30/2012 | CN102031396B Method for extracting vanadium from molten iron |
| 05/30/2012 | CN101962703B Method for recycling refractory material from stainless steel smelting |
| 05/30/2012 | CN101935738B Method for feeding silico-calcium core-spun yarn |
| 05/30/2012 | CN101921952B Electric resistance welding petroleum casing pipe |
| 05/30/2012 | CN101914648B Method for producing low-phosphorus molten iron by utilizing oxygen-enriched top blown to carry out melting reduction on high-phosphorus iron ore |
| 05/30/2012 | CN101899625B Ferrite stainless steel and manufacturing method thereof |
| 05/30/2012 | CN101899549B Method for reducing consumption of quicklime during steel-making process by utilizing molten iron deslagging process |
| 05/30/2012 | CN101892359B Arrangement technology of multifunctional gun in refining outside RH furnace |
| 05/30/2012 | CN101892356B Argon blowing protection system |
| 05/30/2012 | CN101871081B Steel for low-steel-grade continuous oil pipe and manufacturing method thereof |
| 05/30/2012 | CN101845535B Method for improving nitrogen yield of ferrosilicon nitride |
| 05/30/2012 | CN101812643B Boracic pinion steel and preparation method thereof |
| 05/30/2012 | CN101805818B Method for removing titanium from ladle by using stirring method |
| 05/30/2012 | CN101787414B Complex deoxidizer for steelmaking and preparation method thereof |
| 05/30/2012 | CN101381790B Method for horizontal continuous casting 10Cr9Mo1VNbN ferrite heat-resistant steel to tube round blank through electric stove smelting |
| 05/30/2012 | CN101351566B Degassing apparatus having duplex vacuum vessel |
| 05/23/2012 | EP2455501A1 Method for producing alloy ingots |
| 05/23/2012 | CN202226904U Production equipment for hot-rolling steel for automobile wheel steel ring |
| 05/23/2012 | CN202226878U Vacuum pumping device for vacuum melting |
| 05/23/2012 | CN202226877U Steelmaking aluminum, calcium and iron deoxidizer |
| 05/23/2012 | CN102471828A 合金铸锭的制造方法 Alloy ingot manufacturing method |
| 05/23/2012 | CN102465239A 一种提高高硫含量不锈钢硫收得率的方法 A method for stainless steel high sulfur content of sulfur yield improvement |
| 05/23/2012 | CN102465229A Ferro-titanium alloying method for titaniferous stainless steel |
| 05/23/2012 | CN102465194A Dephosphorization method of molten iron for stainless steel production |
| 05/23/2012 | CN102465193A 一种低碳不锈钢在精炼炉内脱氢的方法 One kind of low-carbon stainless steel refining furnace dehydrogenation |
| 05/23/2012 | CN102094100B Molten iron dephosphorizing agent and application method thereof |
| 05/23/2012 | CN101956035B Iron-containing material slag bath smelting reduction steelmaking technical method and device |
| 05/23/2012 | CN101921894B RH-VD double work position vacuum refining device and technological method thereof |
| 05/23/2012 | CN101914654B Coolant for steel making with red mud and preparation process thereof |
| 05/23/2012 | CN101899603B Method for preparing stainless steel |
| 05/23/2012 | CN101880824B Q345q-series super-thick bridge steel plate and production method thereof |
| 05/23/2012 | CN101823197B Method for molding large ring piece by casting blank ring rolling |
| 05/23/2012 | CN101736204B High-strength atmospheric corrosion-resistant medium plate and manufacturing method thereof |
| 05/23/2012 | CN101705429B Production method of wire rod of high-speed railroad no-slag sleeper slab steel wire |
| 05/23/2012 | CN101705334B Aluminum-calcium-magnesium-cerium composite alloy used for strong desulfurization, final desoxidation, and quenching and tempering of liquid steel |
| 05/16/2012 | EP2050832B1 Two-phase stainless steel |
| 05/16/2012 | CN202220186U Bi-directional steel conversion pre-melting ladle for electric furnace |
| 05/16/2012 | CN102453831A Method for smelting high-chromium steel and high-chromium steel |
| 05/16/2012 | CN102453830A Preparation method of cast steel |
| 05/16/2012 | CN102453829A Free-machining pinion steel smelting method and free-machining pinion steel |
| 05/16/2012 | CN102453789A Smelting synthetic slag and production method thereof |
| 05/16/2012 | CN102453788A Preparation method of converter steelmaking dephosphorizing agent |
| 05/16/2012 | CN102453786A Method for smelting steel for drill rod joint by using rotating furnace, and steel for drill rod joint |
| 05/16/2012 | CN102453785A Pre-molten desulfurizing agent and preparation method thereof |
| 05/16/2012 | CN102453778A Metallurgy auxiliary material fluxing agent and preparation method thereof |
| 05/15/2012 | US8178036 Impeller for dispersing gas into molten metal |
| 05/09/2012 | CN202216716U Off-line ignition testing device of RH preheating gun |
| 05/09/2012 | CN202216539U Ruhrstahl Heraeus (RH) refining furnace |
| 05/09/2012 | CN202214380U Molten steel wire feeding device |
| 05/09/2012 | CN102443685A Method for constructing middle trough lining of vacuum chamber of vacuum circulating degasification furnace |
| 05/09/2012 | CN102443684A Cinder modifier composition for casting and use method thereof |
| 05/09/2012 | CN102443683A Method for adding boron and cerium during stainless steel melting in low-capacity AOD (Argon-Oxygen Decarburization) furnace |
| 05/09/2012 | CN102443682A Method for controlling slag bonding of vacuum chamber |
| 05/09/2012 | CN102443681A Granulated magnesium molten iron desulphurization spray gun |
| 05/09/2012 | CN102443680A First-tank flocculated-flow-preventing method used for aluminum-killed steel produced by using thin and medium slab continuous casting machine |
| 05/09/2012 | CN102443679A Production method of ultralow oxide inclusion steel |
| 05/09/2012 | CN102443675A Production method of low-sulfur steel |
| 05/09/2012 | CN102443672A Method for controlling nitrogen increasing of converter tapping molten steel |
| 05/09/2012 | CN102443670A Heavy-rail steel sulfur content controlling method |
| 05/09/2012 | CN102443669A Method for smelting high strength plastic product steel |
| 05/09/2012 | CN102441665A Slag absorption device and slag removal method using same |
| 05/09/2012 | CN102441649A Production technology of small square billet |
| 05/09/2012 | CN102010963B Method for effectively controlling medium plate detection defects |
| 05/09/2012 | CN101949474B Heat-resistance stainless steel exhaust pipe and manufacturing method thereof |
| 05/09/2012 | CN101906503B Method for producing high-specification ultrahigh-obdurability aging-free railway basic construction steel |
| 05/03/2012 | WO2012057648A1 Method for smelting structural steel of low and restricted hardenability |