| 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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| 01/01/2014 | CN103484595A Production process of magnesian slag pressing agents |
| 01/01/2014 | CN103484594A 顶底复吹转炉炼钢方法 Top and bottom blowing converter steelmaking method |
| 01/01/2014 | CN103484593A Smelting method for increasing manganese content in molten steel at end point of small converter |
| 01/01/2014 | CN102827988B Removing method of chromium-containing slag shell of steel ladle |
| 01/01/2014 | CN102146491B Method for smelting clean steel by supplementation and decarburization with CO2 at end of converter blowing |
| 12/27/2013 | WO2013191577A1 Steel combine for continuous ladle metallurgy |
| 12/27/2013 | WO2013190591A1 Refining method and molten steel production method |
| 12/26/2013 | US20130341841 Reinforced distributor for post-combustion lance |
| 12/25/2013 | CN203360488U Slag-stopping plug feeding trolley provided with positioning and sensing device |
| 12/25/2013 | CN203360487U Adjustable slag blocking vehicle provided with locking positioning block |
| 12/25/2013 | CN203360486U Improved converter tapping air curtain slag blocking device |
| 12/25/2013 | CN203360485U Novel converter waste heat power generation device |
| 12/25/2013 | CN203360484U Correction and adjustment device for converter oxygen lance |
| 12/25/2013 | CN203360483U Sealing device between converter body and heat-proof plate |
| 12/25/2013 | CN203360482U Split type water-cooling furnace mouth of revolving furnace |
| 12/25/2013 | CN203360481U Abrasion preventing device for gravity dehydrator of converter |
| 12/25/2013 | CN103476953A Method for manufacturing stainless steel |
| 12/25/2013 | CN103470018A Detachable converter tooling platform |
| 12/25/2013 | CN103469066A Method for producing high-formability steel plate by using heavy and medium plate mill and steel plate manufactured by method |
| 12/25/2013 | CN103469056A High-tensile-to-yield-ratio common hot rolled steel plate and making method thereof |
| 12/25/2013 | CN103469050A Aluminum-containing cold forging steel smelting process |
| 12/25/2013 | CN103468864A 1Cr21Ni5Ti steel smelting method |
| 12/25/2013 | CN103468863A Electric-arc furnace top and bottom blowing system and smelting technology with electric-arc furnace top and bottom blowing system adopted |
| 12/25/2013 | CN103468862A Efficient full-iron steelmaking method allowing molten iron to be added into pig iron in electric-arc furnace |
| 12/25/2013 | CN103468861A Medium-frequency induction furnace |
| 12/25/2013 | CN103468860A Device and method for metering calorific value of converter gas |
| 12/25/2013 | CN103468859A Method for determining use amount of lime through calculating amount of slag remaining in converter |
| 12/25/2013 | CN103468858A Preparation method for 40Cr steel through adopting molten iron and scrap steel |
| 12/25/2013 | CN103468857A Method for controlling content of nitrogen in molten steel in smelting process of converter |
| 12/25/2013 | CN103468856A Method for steel molybdenum alloying |
| 12/25/2013 | CN103468855A Rotating furnace coolant, preparing method thereof and use method thereof |
| 12/25/2013 | CN103468854A Method for smelting weathering steel |
| 12/25/2013 | CN103468853A Smelting process of low carbon steel |
| 12/25/2013 | CN103468852A Production process for special 60 Si2Mn spring steel hot-rolled wire rod for railroad fasteners |
| 12/25/2013 | CN103468851A Nitrogen control method of converter in less slag smelting mode |
| 12/25/2013 | CN103468850A Advance integrated installing method of converter |
| 12/25/2013 | CN103467071A Fettling sand for maintaining furnace condition of converter and method for maintaining furnace condition of converter |
| 12/25/2013 | CN102864274B Method for producing silicon steel with converter |
| 12/25/2013 | CN102776440B Method for smelting zirconium-containing alloy steel for welding |
| 12/25/2013 | CN101903730B Device and method for obtaining metals or metal compounds |
| 12/24/2013 | US8613884 Launder transfer insert and system |
| 12/19/2013 | WO2013186257A1 Method of processing basic oxygen furnace slag |
| 12/19/2013 | WO2013186022A1 Method and device for determining the consumption of electrode material during the operation of an electric furnace |
| 12/19/2013 | WO2013185991A1 Horizontal support for a tiltable converter and method for converting a tiltable converter |
| 12/19/2013 | WO2013185743A1 Method for tapping slag and metal from an electric arc furnace and electric arc furnace |
| 12/19/2013 | US20130334745 Tiltable oxygen converter |
| 12/19/2013 | CA2875311A1 Method and device for determining the consumption of electrode material during the operation of an electric furnace |
| 12/18/2013 | EP2674503A1 Horizontal support for a tilting converter and method for retrofitting a tipping converter |
| 12/18/2013 | CN203346428U Sealing device for suspension reducer of converter |
| 12/18/2013 | CN203346427U Alumina-magnesite carbon brick for converters |
| 12/18/2013 | CN203346426U Carbon-free brick for converter tapping hole |
| 12/18/2013 | CN203346425U Slag removing device for pressure tappings of converter |
| 12/18/2013 | CN203346424U Magnesia carbon brick for converters |
| 12/18/2013 | CN203346423U Carbon-free corundum brick for converters |
| 12/18/2013 | CN203346422U Magnesia-calcium-carbon brick assembly for tapping holes of converters |
| 12/18/2013 | CN203346421U Asphalt-combined-magnesium carbon brick for converter bottom working lining |
| 12/18/2013 | CN203346420U Efficient two-tower system |
| 12/18/2013 | CN203346419U Device for aligning slender object |
| 12/18/2013 | CN103459961A Roof for electric furnace |
| 12/18/2013 | CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof |
| 12/18/2013 | CN103451507A Method for reducing inclusion defect rate of coldly-rolled car plate |
| 12/18/2013 | CN103451398A Manufacture method of 50CrVA alloy structural steel type hot rolled round steel bar |
| 12/18/2013 | CN103451373A Magnesium ball used for converter steelmaking and production technology thereof |
| 12/18/2013 | CN103451361A Bottom blowing gas supply method for stainless steel converter and stainless steel converter bottom thereof |
| 12/18/2013 | CN103451360A Oxygen delivery device |
| 12/18/2013 | CN103451359A Inner hole working layer repairing device of converter tapping hole and application method thereof |
| 12/18/2013 | CN103451358A Slag-blocking steel-tapping device for revolving furnace |
| 12/18/2013 | CN103451357A Sliding-plate-quick-replacement slag-blocking steel tapping device for revolving furnace |
| 12/18/2013 | CN103451356A Coarse dust-removal device for dry dust removal for converter |
| 12/18/2013 | CN103451355A Production technology of composite slagging agent for steelmaking |
| 12/18/2013 | CN103451354A Method for installing bottom blowing device on top-blown converter in on-line way |
| 12/18/2013 | CN103451353A Method for starting dynamic control model of converter based on static detection of simulated sublance |
| 12/18/2013 | CN103451352A Automatic control method of converter oxygen lance |
| 12/18/2013 | CN103451351A Low-oxygen pressure converter steelmaking method |
| 12/18/2013 | CN103451350A Method for controlling nitrogen content in molten steel |
| 12/18/2013 | CN103451349A Control method for preventing nozzle clogging in casting process of ultra-low carbon-aluminium deoxidized molten steel |
| 12/18/2013 | CN102965464B Smelting method for producing manganese-rich slag by smelting and reduction of high-manganese liquid iron in electric furnace |
| 12/18/2013 | CN102605138B Converter bottom seaming method |
| 12/12/2013 | WO2013183091A1 Unburned brick |
| 12/12/2013 | WO2013182395A1 Method for opening and closing a tapping opening of a metallurgical melting vessel, and metallurgical melting vessel |
| 12/11/2013 | CN203333705U Medium-frequency induction furnace for automatically measuring temperature |
| 12/11/2013 | CN203333704U Converter bottom measuring device of converter |
| 12/11/2013 | CN203333703U Hot-locking-type cast iron furnace mouth |
| 12/11/2013 | CN203333702U Movable smoke hood |
| 12/11/2013 | CN203333701U Secondary smoke box in front of converter |
| 12/11/2013 | CN203333700U Pulse oxygen lance device |
| 12/11/2013 | CN203333699U Steel ladle collector nozzle drainage device capable of preventing tempering |
| 12/11/2013 | CN103443298A Environmentally friendly flux for desulfurization of molten steel |
| 12/11/2013 | CN103443296A A method and a control system for controlling a melting process |
| 12/11/2013 | CN103436768A Method for preparation of high-strength stainless steel by using high alloy melt |
| 12/11/2013 | CN103436654A Low-cost production method for container steel casting blanks |
| 12/11/2013 | CN102965467B Low-cost efficient dephosphorization smelting process for electric arc furnace |
| 12/11/2013 | CN102719594B Method for processing decarburized layer on the surface of residual magnesia carbon brick |
| 12/11/2013 | CN102643951B Device and method for improving jet flow impact effect by utilizing injecting powder in electric arc furnace steelmaking |
| 12/11/2013 | CN102428336B Kiln, method for producing refractory, and refractory block |
| 12/11/2013 | CN102399933B Automatic controlling method for converter oxygen lance used for converting low-carbon steel |
| 12/10/2013 | US8603387 Water-cooled cover for a treatment vessel for metal melts |
| 12/10/2013 | CA2642711C Direct smelting plant |
| 12/05/2013 | WO2013179432A1 Exhaust gas recovery device for converter furnace and method for recovering exhaust gas for converter furnace |
| 12/05/2013 | WO2013178468A2 Tilting mechanism for a vessel |