| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 01/30/2013 | CN202705393U Integrated-orientation tap hole tube for converter |
| 01/30/2013 | CN202705392U Building structure for furnace bottom ventilation protection bricks for revolving furnace |
| 01/30/2013 | CN202705391U Off-line gas recovery device for gas cabinet of converter |
| 01/30/2013 | CN202705390U Converter hood |
| 01/30/2013 | CN202703658U Converter slag-blocking bar transport car |
| 01/30/2013 | CN202701316U Converter steel-ladle edge height measuring device |
| 01/30/2013 | CN102906281A Method for determining the time of ignition in the top-blowing process |
| 01/30/2013 | CN102899554A Annealing-free low-carbon steel coil rod and production method thereof |
| 01/30/2013 | CN102899447A EAF+VOD smelting method of A182F22 (12Cr2Mo1) |
| 01/30/2013 | CN102899446A Purging device |
| 01/30/2013 | CN102899445A Tap hole replacing device |
| 01/30/2013 | CN102899444A System and method for treating converter flue gas |
| 01/30/2013 | CN102899443A Process for smelting low-phosphorous molten iron |
| 01/30/2013 | CN102899442A Converter tapping process detecting and controlling device |
| 01/30/2013 | CN102899435A Method for comprehensively using vanadium-titanium magnetite by shaft furnace reduction and electric furnace melting |
| 01/30/2013 | CN101749963B Electric furnace bidirectional movement flue synchronizing device |
| 01/30/2013 | CN101698896B System and method for steel-making online end-point control through furnace mouth radiation information fusion |
| 01/24/2013 | WO2013012039A1 Method for smelting molten pig iron |
| 01/24/2013 | WO2013011089A1 Method and device for the dust removal and cooling of converter gas |
| 01/24/2013 | WO2013010575A1 A method and a control system for controlling a melting process |
| 01/23/2013 | EP2547797A1 Pivoting slag door |
| 01/23/2013 | EP2547796A1 Briquette for producing a foamed slag effect in eaf technology in stainless steel production |
| 01/23/2013 | CN202688362U Slag stopper for steel tapping of converter |
| 01/23/2013 | CN202688361U Center-water-cooling oxygen lance nozzle for converter |
| 01/23/2013 | CN202688360U Converter steel tapping slag stopping device |
| 01/23/2013 | CN202688359U Converter gas network-connected recycling device |
| 01/23/2013 | CN202688358U Auxiliary device of converter for removing phosphorus slag |
| 01/23/2013 | CN1742102B An improved smelting process for the production of iron |
| 01/23/2013 | CN102893114A Flash furnace velocity control |
| 01/23/2013 | CN102888490A Method for weak dephosphorization of peritectic steel in argon station |
| 01/23/2013 | CN102888489A Intermediate frequency furnace steelmaking method |
| 01/23/2013 | CN102888488A Control method of draught fan for dry dust removal of converter gas |
| 01/23/2013 | CN102888487A High-efficiency remaining slag smelting method of converters |
| 01/23/2013 | CN102888486A Converter slag iron furnace protecting technology |
| 01/23/2013 | CN102886513A Smelting steel ladle |
| 01/23/2013 | CN102251197B High-carbon chromium bearing steel and preparation method thereof |
| 01/23/2013 | CN102234699B Converter slag mending material |
| 01/17/2013 | WO2013008160A1 Tie rod with locking system at the ends |
| 01/17/2013 | WO2013008158A1 Tilting oxygen converter |
| 01/17/2013 | WO2013007533A1 Device for transferring a metallurgical material |
| 01/17/2013 | WO2013007531A1 Device for transferring a metallurgical material |
| 01/16/2013 | EP2546593A1 Device for transferring a metallurgical material |
| 01/16/2013 | EP2546592A1 Device for transferring a metallurgical material |
| 01/16/2013 | CN202677202U Position control device for converter bidding machine |
| 01/16/2013 | CN202671578U Oxygen lance with clustered beam |
| 01/16/2013 | CN202671577U Furnace door slag melting auxiliary lance of electric arc furnace |
| 01/16/2013 | CN202671576U Feeding spoon |
| 01/16/2013 | CN202671575U Converter lifting in-place protection pad device |
| 01/16/2013 | CN202671574U Horizontal slider-type slag-stop tapping device for converter |
| 01/16/2013 | CN202671573U Outer nozzle brick |
| 01/16/2013 | CN202671572U Inner/outer slider brick |
| 01/16/2013 | CN202671571U Connecting plate |
| 01/16/2013 | CN202671570U Proximity switch adjusting device for suspension-type slag blocking throwing-in device |
| 01/16/2013 | CN202671569U Suspension-type slag-blocking car |
| 01/16/2013 | CN202671568U Steel smelting furnace |
| 01/16/2013 | CN202671567U Smoke dust absorbing device for steel-making |
| 01/16/2013 | CN202671566U Smoke collecting device |
| 01/16/2013 | CN202671565U Oxygen lance fixing device of oxygen bottom-blowing furnace |
| 01/16/2013 | CN102884207A Vice for injecting gas into a metallurgical vessel |
| 01/16/2013 | CN102876838A System for detecting carbon content and temperature in converter |
| 01/16/2013 | CN102876837A Device and method for removing dust from converter gas by dry method |
| 01/16/2013 | CN102876836A Inertial de-dusting structure in converter gas dry de-dusting device |
| 01/16/2013 | CN102876835A New technology for preparing converter slag-regulating reagent by light-burning dolomite powder ash |
| 01/16/2013 | CN102876834A Method for modifying semisteel converter steelmaking final slag |
| 01/16/2013 | CN102876833A Quick-melting magnesium composite material for steel making and slagging and method for preparing same |
| 01/16/2013 | CN102876832A Process for performing converter alloying vanadium increase by sheeted V2O5 |
| 01/16/2013 | CN102876831A High-efficiency oxygen supply method of 120 t converters |
| 01/16/2013 | CN102876830A Converter smelting method for high-phosphorus steel for containers |
| 01/16/2013 | CN102876829A Technology for processing slag falling below rotary furnace in smelting process of furnace |
| 01/16/2013 | CN102312042B Method of rush repair of converter trunnion bearing |
| 01/16/2013 | CN102200392B Forehearth |
| 01/16/2013 | CN102094105B Bottom blowing system for converter |
| 01/15/2013 | CA2642896C Granulated metallic iron superior in rust resistance and method for producing the same |
| 01/09/2013 | CN202658178U Water cooling center furnace cover ring of electric furnace |
| 01/09/2013 | CN202658177U Bottom blowing protection brick structure for converter |
| 01/09/2013 | CN102864378A Process for smelting low-cost X70 pipeline steel moderate-thickness plate blanks |
| 01/09/2013 | CN102864278A method for mounting large-scale converter shell and backing ring |
| 01/09/2013 | CN102864277A Repairing method of waste steel groove |
| 01/09/2013 | CN102864276A Converter inactive lime steelmaking method |
| 01/09/2013 | CN102864275A Control method of aluminum content of heavy rail steel |
| 01/09/2013 | CN102864274A Method for producing silicon steel with converter |
| 01/09/2013 | CN102864273A Method for increasing converter gas CO recycling amount |
| 01/09/2013 | CN102864272A Calcite converter steelmaking method |
| 01/09/2013 | CN102864271A Digestion process of vanadium extraction waste slag in semi-steel steelmaking converter |
| 01/09/2013 | CN102864270A Vanadium extraction cooling agent and preparation method thereof |
| 01/09/2013 | CN102251069B Automatic control method of dephosphorization converter |
| 01/09/2013 | CN102199682B Semisteel steelmaking method |
| 01/09/2013 | CN102168161B Method for filling gap between bricks and lining of tapping hole of converter |
| 01/09/2013 | CN102127614B Control method for vanadium extraction by converter for removing vanadium and holding carbon |
| 01/09/2013 | CN102061355B Converter tilting control device and method |
| 01/09/2013 | CN101977867B Method of processing slag |
| 01/08/2013 | US8349759 Metal-carbon compositions |
| 01/08/2013 | CA2729243C Torque support for a converter tilting drive |
| 01/03/2013 | WO2013000497A1 Lance head for an oxygen lance |
| 01/03/2013 | WO2013000017A1 Top submerged injecting lances |
| 01/03/2013 | US20130000446 Method for producing foamed slag on high-chromium melts in an electric furnace |
| 01/03/2013 | US20130000445 Method of setting a slag consistency and apparatus for carrying out the method |
| 01/03/2013 | DE102005038172B4 Abstichkanal für einen metallurgischen Ofen Tapping channel for a metallurgical furnace |
| 01/03/2013 | CA2838855A1 Top submerged injecting lances |
| 01/02/2013 | EP2539041A1 Apparatus and method for treating exhaust gas |