| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
|---|
| 01/30/2013 | CN102899455A Argon-oxygen furnace and operation method thereof |
| 01/30/2013 | CN102899454A External jetting dephosphorization agent for molten steel (iron) furnace |
| 01/30/2013 | CN102899453A Deoxidization and desulfuration integrated block |
| 01/30/2013 | CN102899452A Application of composite manganese ore powder in replacement of manganese alloy to carry out direct steelmaking |
| 01/30/2013 | CN102899451A Pre-melting slag used for electrochemical decarburization and preparation method thereof |
| 01/30/2013 | CN102899450A Method for avoiding separation of fracture test samples |
| 01/30/2013 | CN102899449A Production technology of extra thick steel plate with super detection standard |
| 01/30/2013 | CN102899448A Treatment method for calcium in liquid steel |
| 01/30/2013 | CN102899447A EAF+VOD smelting method of A182F22 (12Cr2Mo1) |
| 01/30/2013 | CN102080141B Automatic coupling device for pretreating molten pig iron |
| 01/30/2013 | CN102002556B Rare earth oxide-containing steelmaking refining slag, and preparation method and using method thereof |
| 01/30/2013 | CN101880168B Hot mending material for spray gun |
| 01/24/2013 | US20130019715 Composition for reducing the oxygen potential of slag |
| 01/23/2013 | CN202688369U Ruhstahl hausen (RH) vacuum refining furnace dip pipe device |
| 01/23/2013 | CN202688368U Magnesite-chrome brick for RH refining furnace |
| 01/23/2013 | CN202688367U Air brick for blowing from ladle bottom |
| 01/23/2013 | CN202688366U Device for blowing argon into molten steel furnace |
| 01/23/2013 | CN202688365U Argon oxygen decarburization (AOD) furnace crown |
| 01/23/2013 | CN202688364U Detachable argon oxygen decarburization (AOD) furnace crown |
| 01/23/2013 | CN202688363U Argon oxygen decarburization (AOD) furnace for smelting stainless steel |
| 01/23/2013 | CN202688358U Auxiliary device of converter for removing phosphorus slag |
| 01/23/2013 | CN202687777U Electrode fishing tool of ladle refining furnace |
| 01/23/2013 | CN202684076U Slag scraping device for dip pipe of RH vacuum refining furnace |
| 01/23/2013 | CN102892910A High-strength steel sheet and method for producing same |
| 01/23/2013 | CN102888554A Preparation method of calcium-ferrum alloy |
| 01/23/2013 | CN102888550A Smelting method of high-purity and high-nitrogen duplex stainless steel |
| 01/23/2013 | CN102888493A Preparation method of passivation magnesium |
| 01/23/2013 | CN102888492A Si-Ca-Al-Mg-RE (rare earth) composite deoxidizer and preparation method thereof |
| 01/23/2013 | CN102888491A Preparation method of composite medium aluminium |
| 01/23/2013 | CN102888490A Method for weak dephosphorization of peritectic steel in argon station |
| 01/23/2013 | CN102888482A Premelting type slagging and dephosphorizing agent with 2CaO.Fe2O3 and CaO.Fe2O3 serving as main phases |
| 01/23/2013 | CN102251197B High-carbon chromium bearing steel and preparation method thereof |
| 01/23/2013 | CN102234734B Production process of modified alloy ball iron roller |
| 01/23/2013 | CN102181755B Low calcium-aluminum-manganese-iron alloy and preparation method thereof |
| 01/23/2013 | CN102181606B Production method of rare earth aluminum manganese calcium iron alloy |
| 01/23/2013 | CN101988173B Cast steel material and preparation method thereof |
| 01/22/2013 | US8357327 Heating device for preheating a liquid-metal transfer container |
| 01/16/2013 | CN202671581U Vacuum circulating degassing furnace bottom groove |
| 01/16/2013 | CN202671580U Rotational flow sprayer for refining furnace |
| 01/16/2013 | CN202671579U Solid metal core-spun yarn |
| 01/16/2013 | CN202671576U Feeding spoon |
| 01/16/2013 | CN202671566U Smoke collecting device |
| 01/16/2013 | CN102876960A Method for increasing nitrogen content in YQ450NQR1 steels |
| 01/16/2013 | CN102876959A Method for preparing calcium iron alloy |
| 01/16/2013 | CN102876851A Method for improving calcium yield of RH vacuum furnace |
| 01/16/2013 | CN102876850A Pre-melting slag former for steel production and production method thereof |
| 01/16/2013 | CN102876849A Calcium pressing refining slag for steel production and preparation method thereof |
| 01/16/2013 | CN102876848A Method for producing low sulphur steel through carrying out CAS-OB refining on premelting calcium aluminate |
| 01/16/2013 | CN102876847A Method for producing low sulfur steel through applying pre-melting calcium aluminate to refine outside RH (ruhstahl hausen process) furnace |
| 01/16/2013 | CN102876846A Method for producing low sulfur steel through applying pre-melting calcium aluminate to refine in argon station |
| 01/16/2013 | CN102876845A Method for producing ultra-low phosphorus steel through applying pre-melting calcium ferrite to refine outside LF (Ladle Furnace) molten steel furnace |
| 01/16/2013 | CN102876844A Method for producing ultra-low phosphorus steel by using premelted calcium ferrite to refine molten steel outdoors by RH process |
| 01/16/2013 | CN102876843A Method for producing ultralow phosphoretic steel through carrying out CAS-OB molten steel ladle refining on premelting calcium ferrite |
| 01/16/2013 | CN102876842A Premelting slugging desulfurizer taking 12 CaO*7Al2O3 and 3CaO*5Al2O3 as main phases |
| 01/16/2013 | CN102876841A Method for producing ultra-low phosphorus steel in argon blowing station by using premelted calcium ferrite to refine molten steel outdoors |
| 01/16/2013 | CN102876840A Steelmaking siliceous premelting composite deoxidation and desulfurization agent and preparation method thereof |
| 01/16/2013 | CN102876839A Low-silicon-aluminum-killed-steel-casting-slag-based refining agent and preparation method thereof |
| 01/16/2013 | CN102876833A Quick-melting magnesium composite material for steel making and slagging and method for preparing same |
| 01/15/2013 | CA2721254C Low-carbon steel slab producing method |
| 01/10/2013 | WO2013004057A1 Method for manufacturing stainless steel plate used for thermonuclear experimental reactor |
| 01/09/2013 | CN202660925U Vertical shaft type forced circulation boiler for recovering waste heat of argon oxygen refining furnace |
| 01/09/2013 | CN202660529U Steam superheating device for refining furnace |
| 01/09/2013 | CN202658180U Refining device for smelting low-nitrogen steel and high-nitrogen steel by Ar/N2 plasma source |
| 01/09/2013 | CN202658179U Slag anti-adhesion protection sleeve for argon oxygen decarburization (AOD) sublance |
| 01/09/2013 | CN202655526U Gear hob type aluminum wire cutting machine |
| 01/09/2013 | CN102867220A Method for forecasting temperature of refined molten steel in ladle refining furnace in real time |
| 01/09/2013 | CN102864378A Process for smelting low-cost X70 pipeline steel moderate-thickness plate blanks |
| 01/09/2013 | CN102864376A High-strength full-thread equal-strong resin bolting reinforcing bar and production method thereof |
| 01/09/2013 | CN102864311A Recovery method of chromium in high chromium-content slag in steel making-LF (ladle furnace) working procedure |
| 01/09/2013 | CN102864285A High-alkalinity synthetic slag for pipeline steel secondary refining |
| 01/09/2013 | CN102864284A Slagging agent for ferrous metallurgy |
| 01/09/2013 | CN102864283A Argon-blowing long nozzle for clean steel |
| 01/09/2013 | CN102864282A Recarburization method for semi-steel desulfurization |
| 01/09/2013 | CN102864281A Preparation method of steelmaking deoxidizer calcium-iron alloy |
| 01/09/2013 | CN102864280A Preparation method of steelmaking deoxidizer |
| 01/09/2013 | CN102864279A Nitrogen adding method in process of LF (ladle furnace) refining |
| 01/09/2013 | CN102864275A Control method of aluminum content of heavy rail steel |
| 01/09/2013 | CN102199682B Semisteel steelmaking method |
| 01/09/2013 | CN101993980B Method for smelting ultralow-phosphorous steel |
| 01/09/2013 | CN101977867B Method of processing slag |
| 01/09/2013 | CN101831588B Steel materials excellent in toughness in weldheat-affected zone and fatigue characteristics of base material, and manufacturing method of the same |
| 01/09/2013 | CN101824511B RH injection refining device and application thereof |
| 01/08/2013 | US8349759 Metal-carbon compositions |
| 01/08/2013 | US8349050 Desulfurizing agent and method for manufacturing the same |
| 01/03/2013 | US20130000446 Method for producing foamed slag on high-chromium melts in an electric furnace |
| 01/02/2013 | CN202643745U Vacuum distillation (VD) furnace vacuum tank body seal ring protection device |
| 01/02/2013 | CN202643744U Protection plate for seal ring of vacuum distillation (VD) furnace vacuum tank |
| 01/02/2013 | CN202643743U KR powder injection agitation desulfurizer |
| 01/02/2013 | CN202643742U Seamless calcium iron wire |
| 01/02/2013 | CN202643741U Thread feeding device for vacuum refining device |
| 01/02/2013 | CN202643740U Seamless calcium aluminum iron wire |
| 01/02/2013 | CN202643739U Seamless aluminum iron wire |
| 01/02/2013 | CN102851625A Tellurium-containing high-performance stainless steel grinding material and manufacturing method thereof |
| 01/02/2013 | CN102851609A Material used in offshore wind power equipment, and workpiece manufacturing process |
| 01/02/2013 | CN102851594A Low-cost smelting silicon-controlling method for hydro-chrome-molybdenum steel |
| 01/02/2013 | CN102851591A High-strength high-toughness low temperature steel for ship and manufacture method thereof |
| 01/02/2013 | CN102851581A HRB700 steel bar and production method thereof |
| 01/02/2013 | CN102851579A Nb-containing micro-alloyed high-carbon steel hot-rolled wire rod and manufacturing method thereof |
| 01/02/2013 | CN102851473A Method for producing heavy-gauge SA299 steel plates for boiler drums in power plants |
| 01/02/2013 | CN102851458A VD vacuum furnace shielding furnace lid |