| 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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| 05/22/2013 | CN202945250U Steel slag air quenching and waste heat recycling equipment |
| 05/22/2013 | CN103119181A Preheating apparatus for steel scrap and metallurgical melting vessel equipped therewith |
| 05/22/2013 | CN103114244A Martensite stainless steel smelting process |
| 05/22/2013 | CN103114170A Smelting process for increasing yield of electric-arc furnace |
| 05/22/2013 | CN103114169A Converter wet spray repair technique |
| 05/22/2013 | CN103114168A Method for removing residual steel slag at converter bottom |
| 05/22/2013 | CN102634633B Method for preventing materials at bottom of ultra-high power electric furnace from insufficiently melting |
| 05/22/2013 | CN102534094B Method for producing tire cord steel wire by converter billet continuous casting process |
| 05/22/2013 | CN102409138B Process for manufacturing alloy steel for rail frog |
| 05/22/2013 | CN102076872B Torque support for a converter tilting drive |
| 05/22/2013 | CN102051438B Slag scraping and early warning protection system for oxygen lance |
| 05/21/2013 | US8446929 Furnace refractory brick hearth system |
| 05/16/2013 | WO2013068807A1 Apparatus and method for positioning lances of electric arc furnace, electric arc furnace comprising such apparatus |
| 05/16/2013 | DE102011086324A1 Blaslanze für einen BOF-Konverter Lance for a BOF converter |
| 05/15/2013 | EP2592160A1 Gas blowing nozzle |
| 05/15/2013 | EP2592159A2 Device for supporting molten metal container |
| 05/15/2013 | CN202936436U Restoring device for surrounding working layer of steel tapping hole of converting furnace |
| 05/15/2013 | CN202936435U Cooler for baiting port of converter |
| 05/15/2013 | CN202936434U Automatic timing device for tracing of service life of steel tapping hole of converter |
| 05/15/2013 | CN202936433U Water-cooled throat opening of steelmaking converter |
| 05/15/2013 | CN202936432U Bottom air supply structure of steel furnace |
| 05/15/2013 | CN103108963A Melt metallurgical installation comprising a charging element |
| 05/15/2013 | CN103108962A Operating method for utilizing the thermal waste heat for a plant in the basic materials industry |
| 05/15/2013 | CN103103443A Bearing steel GCr15 production technology capable of preventing plugging of continuous casting water gap |
| 05/15/2013 | CN103103310A Vanadium extraction cold pressing block and preparation method and applications thereof and vanadium extraction method |
| 05/15/2013 | CN103103309A Method of supplementarily forecasting steelmaking finishing point of converter |
| 05/15/2013 | CN103103308A Method for controlling phosphorus content of end point molten steel smelted by a top-bottom combined blowing converter to be less than 30 ppm |
| 05/15/2013 | CN103103307A Method for producing steel for low-nitrogen stranded wire by use of non-vacuum process of converter |
| 05/15/2013 | CN102400052B Preparation method of narrow-hardenability pinion steel |
| 05/15/2013 | CN102162020B Foaming agent for electrosmelting of stainless steel and using method thereof |
| 05/15/2013 | CN102021480B Manufacturing method of low-chromium ferritic stainless steel |
| 05/14/2013 | CA2729114C Combustion of co and combustibles in steel furnace offgases |
| 05/10/2013 | WO2013065940A1 Quenched environmentally friendly nickel slag ball using high-speed gas, method for manufacturing same, and apparatus for manufacturing same |
| 05/10/2013 | WO2013064668A1 Refractory purging devices |
| 05/10/2013 | WO2013064413A1 Method for operating an arc furnace |
| 05/10/2013 | CA2852170A1 Refractory purging devices |
| 05/08/2013 | EP2589672A1 Method for operating an arc oven |
| 05/08/2013 | CN202925055U Oxygen lance lower limit limiting device and oxygen lance device |
| 05/08/2013 | CN202925054U Special tool for cleaning tapping holes |
| 05/08/2013 | CN202925053U Furnace condition monitoring system for converting furnace |
| 05/08/2013 | CN202925052U Ferroalloy rotating chute |
| 05/08/2013 | CN202925051U Fast-positioning converter sliding-plate-method slag stopping and tapping device |
| 05/08/2013 | CN202925050U Connecting nozzle brick |
| 05/08/2013 | CN202925049U Dust collecting hood for smoke of converter |
| 05/08/2013 | CN202925048U Energy-saving thermal treatment combined electric furnace for malleable iron pieces |
| 05/08/2013 | CN103097554A Apparatus and method for electromagnetic stirring in an electrical arc furnace |
| 05/08/2013 | CN102560252B Steel for medium-carbon Cr alloying connecting rod and manufacturing method of steel |
| 05/08/2013 | CN102383066B Abrasion resistant cast steel and preparation method thereof |
| 05/08/2013 | CN102352469B Ultrahigh-strength vanadium-titanium composite microalloyed high carbon steel wire rod and preparation method thereof |
| 05/08/2013 | CN102344984B Semisteel smelting and slag remaining method under dry dedusting conduction |
| 05/08/2013 | CN102312043B Electric arc furnace steelmaking oxygen supply process, and electric arc furnace steelmaking method by using oxygen supply process |
| 05/08/2013 | CN101941021B Method for producing extra-deep drawing cold-rolled steel plate based on ASP process |
| 05/07/2013 | US8435323 Batchwise working-up recycling materials in a rotatable reactor |
| 05/01/2013 | EP2586878A1 Method for controlling titanium content in ultra-low carbon killed steel |
| 05/01/2013 | CN202915723U Oxygen lance body emergency lifting device |
| 05/01/2013 | CN202913011U Automatic ash discharge device for feed opening of continuous electric furnace for steel making |
| 05/01/2013 | CN202913010U Automatic mounting/dismounting device for sublance probe for steel making |
| 05/01/2013 | CN202913009U Improved convey device for slurry generated during wet dust removal of converter |
| 05/01/2013 | CN202913008U Smoke-proof chamber of converter |
| 05/01/2013 | CN202913007U Anti-falling device for converter auxiliary lance lifting trolley |
| 05/01/2013 | CN202913006U Auxiliary rack for maintaining oxygen gun |
| 05/01/2013 | CN202913005U Support ring fixing device |
| 05/01/2013 | CN202913004U Converter allowing removable bottom to be laid integrally |
| 05/01/2013 | CN202913003U Converter smoke treatment system |
| 05/01/2013 | CN202913002U Dry dedusting device of converter gas |
| 05/01/2013 | CN202913001U Inertial dedusting structure for dry dedusting device of converter gas |
| 05/01/2013 | CN202912973U Novel slag pushing board of slag car |
| 05/01/2013 | CN103080680A Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system |
| 05/01/2013 | CN103080342A Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment |
| 05/01/2013 | CN103074543A Manufacturing technology of steel containing molybdenum |
| 05/01/2013 | CN103074464A Intelligent transmitting device for essential safety of slag stopping balls in converter |
| 05/01/2013 | CN103074463A Operation method of lifting lance in the midway of converter steelmaking under dry dedusting condition |
| 05/01/2013 | CN103074462A Deoxidation method used in converter steelmaking process |
| 05/01/2013 | CN102382935B One-time flue gas dry-process dust removing process of vanadium-extraction converter |
| 05/01/2013 | CN102382932B Gas cooling technology used for dry dedusting for converter gas |
| 05/01/2013 | CN102363827B Method and system for coordinative production of electric arc furnace and waste heat recovery device |
| 05/01/2013 | CN101993973B Method for producing high-purity pure iron |
| 04/25/2013 | WO2013057927A1 Powder injection lance and method of refining molten iron using said powder injection lance |
| 04/25/2013 | US20130098202 Process for producing molten steel using granular metallic iron |
| 04/24/2013 | CN202898455U Steel scrap feeding tank for electric furnaces |
| 04/24/2013 | CN202898454U Environment-friendly and energy-saving vertical charging steel scrap preheating electric arc furnace |
| 04/24/2013 | CN202898453U Environment-friendly and energy-saving horizontal charging steel scrap preheating electric arc furnace |
| 04/24/2013 | CN202898452U Electron-beam technique (EBT) electric arc furnace for secondary slag-free tapping |
| 04/24/2013 | CN202898451U Detachable furnace rack |
| 04/24/2013 | CN202898450U Converter oxygen lance slag scraper with base not easy to loose |
| 04/24/2013 | CN202898449U Fine dust removal control system for converter flue gas |
| 04/24/2013 | CN202898448U Dry-type dedusting device of converter by full combustion method |
| 04/24/2013 | CN202898447U Intelligent gas control valve station based on continuous gas control |
| 04/24/2013 | CN103069016A Tiltable converter comprising pendulum rod suspension |
| 04/24/2013 | CN103069015A Ultrasonic nozzle for use in metallurgical installations and method for dimensioning an ultrasonic nozzle |
| 04/24/2013 | CN103060719A Production method of rustproof and heat-resistant cast stainless steel pipe |
| 04/24/2013 | CN103060659A Raw material composition of high-abrasion valve seat and casting method thereof |
| 04/24/2013 | CN103060523A Smelting method for non-magnetic stainless steel |
| 04/24/2013 | CN103060516A Converter tilting frequency conversion timing control system |
| 04/24/2013 | CN103060515A Composite purifying equipment of converter gas |
| 04/24/2013 | CN103060514A Slag-making method and semi-steel smelting method capable of preventing semi-steel steel-making converter from dedusting and exploding |
| 04/24/2013 | CN103060513A Method for smelting tire cord steel and method for continuously casting tire cord steel |
| 04/24/2013 | CN103060512A Dephosphorizing and steelmaking method of medium-high-phosphorous semisteel by top-blown converter |
| 04/24/2013 | CN103060511A Oxygen supply method for preventing dedusting explosion venting of semisteel steel converter and semisteel smelting method |
| 04/24/2013 | CN103060510A High scrap ratio smelting method by adopting gas to heat |