| 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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| 11/30/2011 | CN102260824A 屈服强度为550MPa级热轧热成形用钢板及其制造方法 Yield strength of 550MPa grade hot-rolled steel sheet for thermoforming and its manufacturing method |
| 11/30/2011 | CN101812564B 插装式安装转炉的方法 Cartridge installation methods converter |
| 11/29/2011 | CA2521705C Direct smelting plant |
| 11/24/2011 | DE102010052423A1 Kühlung für ein metallurgisches Gefäß Cooling for a metallurgical vessel |
| 11/23/2011 | CN202047083U Novel electric furnace purging plug |
| 11/23/2011 | CN102251197A High-carbon chromium bearing steel and preparation method thereof |
| 11/23/2011 | CN102251181A Steelmaking refining and continuous casting production method for alloy casting blank |
| 11/23/2011 | CN102251179A Method for controlling cracks of medium-carbon manganese-containing chromium-containing steel billet |
| 11/23/2011 | CN102251073A Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof |
| 11/23/2011 | CN102251072A Dephosphorizing process of electric furnace steel making |
| 11/23/2011 | CN102251071A Sliding nozzle brick for slag trap gate valve at converter tap hole |
| 11/23/2011 | CN102251070A Method for implementing efficient extraction of vanadium from converter through CO2 |
| 11/23/2011 | CN102251069A Automatic control method of dephosphorization converter |
| 11/23/2011 | CN102251068A Vanadium-extracting cooling agent and preparation method thereof |
| 11/23/2011 | CN102250650A Temperature-constant blast furnace and converter coal gas purifying system |
| 11/23/2011 | CN101845587B Steel with yield ratio no larger than 0.8 for hot rolling U-shaped steel sheet pile and production method thereof |
| 11/23/2011 | CN101845527B Method for accelerating the reduction of converter steel slag autoclaving and pulverization rate |
| 11/23/2011 | CN101831524B Desulfurization slag system of ultralow-sulfur raw steel and preparation and application methods thereof |
| 11/17/2011 | WO2011141036A1 Chemical pretreatment and preheating of steel scrap |
| 11/17/2011 | WO2011140823A1 Smelting method for medium carbon steel j55 |
| 11/17/2011 | DE102010003841B3 Transport unit for transporting additives such as cobalt for melting to foundry, has partial containers that are opened by positioning props of aperture unit on respective containers |
| 11/16/2011 | CN202039086U Arc furnace capable of realizing slag steel tapping and slag free tapping |
| 11/16/2011 | CN202039085U Combination welding porous standard Laval oxygen gun nozzle |
| 11/16/2011 | CN202039084U Flue gas waste heat recovery device for converter |
| 11/16/2011 | CN102242238A Method for controlling excessive aluminum content in heavy rail steel with operation speed of 350 kilometer/hour and over |
| 11/16/2011 | CN102242237A High efficient electric furnace steel-making system |
| 11/16/2011 | CN102242236A Novel smoke-gas dustproof movable seal cover device of electric furnace |
| 11/16/2011 | CN102242235A Method for installing converter shell in reverse hydraulically lifting manner |
| 11/16/2011 | CN101899629B Abrasion-resistant alloy cast steel and manufacturing equipment thereof |
| 11/16/2011 | CN101899628B Abrasion-resistant alloy cast steel and manufacturing method thereof |
| 11/16/2011 | CN101818300B Production method of steel for cold heading blind rivets |
| 11/16/2011 | CN101713054B Large thickness steel plate for hydrogenation reaction chamber reeling equipment and production method thereof |
| 11/16/2011 | CN101684986B Maintenance method of gas permeable brick of vanadium extraction converter and production method of converter vanadium extraction |
| 11/16/2011 | CN101497965B Steel for cutting edge of shovel of loader and digger and production method thereof |
| 11/15/2011 | US8057734 Producing metal and carbon dioxide with hydrogen recycle |
| 11/15/2011 | CA2534623C Electric reducing furnace |
| 11/10/2011 | WO2011138503A1 Low-nickel austenitic stainless steel and use of the steel |
| 11/09/2011 | CN202030782U Double-channel oxygen lance |
| 11/09/2011 | CN202030781U Direct ash discharge device for evaporative cooler in converter dry gas recovery system |
| 11/09/2011 | CN102234706A Method for refining grains of heavy forging steel of nuclear reactor evaporator |
| 11/09/2011 | CN102234700A Electric furnace slag reactant and preparation method thereof |
| 11/09/2011 | CN102234699A Converter slag mending material |
| 11/09/2011 | CN101798615B Electric transmission control method of tilting of rotating furnace |
| 11/09/2011 | CN101736114B Composition for slag formation and preparation and use method thereof |
| 11/02/2011 | EP2383352A1 Method for reclaiming iron and phosphorus from steelmaking slag |
| 11/02/2011 | CN202022954U Water-cooling furnace mouth structure of converter |
| 11/02/2011 | CN202022953U Oxygen lance slag scraping and protection early warning system |
| 11/02/2011 | CN202022952U Improved converter slag disk |
| 11/02/2011 | CN202022951U Improved converter cap brick |
| 11/02/2011 | CN202022950U Supporting device for patching converter |
| 11/02/2011 | CN102230140A Novel martensitic wear resistant steel and production technology for steel casting thereof |
| 11/02/2011 | CN102230121A Refining method of T91 heat-resistant steel tube blank |
| 11/02/2011 | CN102230055A Induction furnace capable of blowing inert gas towards inside of furnace |
| 11/02/2011 | CN102230054A Novel process for producing super high manganese steel casting |
| 11/02/2011 | CN102230053A Self-adaptive oxygen lance quick changing device |
| 11/02/2011 | CN102230052A Top-bottom combined blowing converter technology for high-carbon low-phosphor molten steel with single-slag process |
| 11/02/2011 | CN102230051A Method for controlling nitrogen content in steel by semi-steel smelting |
| 11/02/2011 | CN102230050A Method for controlling nitrogen content in 350 km/h and above heavy-rail steel |
| 11/02/2011 | CN101845531B Converter smelting endpoint molten steel carbon and temperature control system and method thereof |
| 11/02/2011 | CN101787403B Short process production technique for preparing casting of wind power generation equipment |
| 11/02/2011 | CN101736121B Method for smelting 07Cr2MoW2VNbB steel in electric furnace and using same to form round pipe billets through horizontal continuous casting |
| 11/02/2011 | CN101736115B Converter-strengthened slagging agent and preparation method and using method thereof |
| 11/02/2011 | CN101619377B Deslagging and dephosphorizing method of electric stove |
| 11/01/2011 | CA2513814C An improved smelting process for the production of iron |
| 10/28/2011 | DE202011100121U1 Reaktionstiegel für aluminothermische Schweißungen Reaction crucible for aluminothermic welds |
| 10/28/2011 | DE202010017441U1 Konverter für Metallschmelze mit einer in einen Abstichkanal eingesetzten Hülse sowie eine Vorrichtung zum Setzen der Hülse Converter for molten metal with a sleeve inserted into a tapping channel and means for setting the sleeve |
| 10/27/2011 | WO2011132669A1 Waste heat recovery facility for arc furnace for steel making, arc furnace facility for steel making, and waste heat recovery method for arc furnace for steel making |
| 10/27/2011 | WO2011131880A1 Fuel-fired furnace and method for controlling combustion in a fuel-fired furnace |
| 10/27/2011 | US20110260378 Water-cooled cover for a treatment vessel for metal melts |
| 10/26/2011 | EP2379755A1 Method for the production of steel in an oxygen converter using dynamized blow patterns |
| 10/26/2011 | EP2379754A1 Method for the production of steel having a low phosphorus concentration in an oxygen converter |
| 10/26/2011 | EP2047001B1 Oxygen injection method |
| 10/26/2011 | CN202017033U Evaporative cooling jacket for flue gas purifying and recycling system of converter |
| 10/26/2011 | CN102226227A Vaporization flue manhole device for steel making converter |
| 10/26/2011 | CN102226226A Method for preventing mushroom head blockage in converter steel making process |
| 10/26/2011 | CN102226225A Oxygen supply lance height control method of converter for producing low-carbon and low-phosphorus steel |
| 10/20/2011 | WO2011128170A1 Method for determining a time for charging an electric arc furnace with material to be melted, signal processing device, machine-readable program code, storage medium and electric arc furnace |
| 10/20/2011 | WO2011127877A1 Device for introducing gases into hot liquid media |
| 10/20/2011 | US20110256401 Process for producing carbon nanotubes and carbon nanotubes produced thereby |
| 10/20/2011 | DE102010015098A1 Device for introducing gas into a container having a liquid hot medium, comprises a gas inlet temperature resistant element comprising molybdenum disilicide at an end of the gas inlet element and is arranged at a place of container |
| 10/19/2011 | EP2376900A1 Libs-type measurement head for analysing compounds in a dusty environment and/or at high temperature |
| 10/19/2011 | CN202011887U Air supply device for converter |
| 10/19/2011 | CN102223968A System for tracking system properties |
| 10/19/2011 | CN102220546A B-containing medium-carbon non-quenched and tempered steel and production method thereof |
| 10/19/2011 | CN102220531A Metal-ceramic tool bit material of reamer for molten steel outlet in convertor steelmaking |
| 10/19/2011 | CN102220452A Method for duplex dephosphorization of intermediate frequency furnace and vacuum induction furnace |
| 10/19/2011 | CN102220451A Porous inner gusset plate of supporting ring of converter |
| 10/19/2011 | CN102220450A Automatic positioning and controlling method for oxygen lance of converter |
| 10/19/2011 | CN102220449A Production method for VN reinforcement bar with yield strength not less than 400MPa |
| 10/19/2011 | CN102220448A Method for smelting uniform end-point molten steel composition with converter |
| 10/13/2011 | WO2011124902A1 Flash furnace velocity control |
| 10/13/2011 | DE102010003845A1 Verfahren zur Bestimmung eines Chargierzeitpunkts zum Chargieren, von Schmelzgut in einen Lichtbogenofen, Signalverarbeitungseinrichtung, maschinenlesbarer Programmcode, Speichermedien und Lichtbogenofen Method for determining a Chargierzeitpunkts for charging, melting charge in an electric arc furnace, signal processing device, a machine-readable program code storage media and arc furnace |
| 10/12/2011 | CN202007245U Vaporization cooling hood for steelmaking converter |
| 10/12/2011 | CN202007244U Dust collecting device for converter plant platform |
| 10/12/2011 | CN102216473A Recarburisation method |
| 10/12/2011 | CN102212748A Method for producing hot-rolled steel coils |
| 10/12/2011 | CN102212747A Low-cost steel for automobile beam and manufacturing method thereof |
| 10/12/2011 | CN102212679A Method for recycling acid regeneration iron powder pressed balls |
| 10/12/2011 | CN102212646A Carbon blowing technique for electric furnace smelting |
| 10/12/2011 | CN102212645A Installation method of converter drums |