| 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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| 03/06/2013 | CN102952908A Equipment for steel slag air quenching and waste heat recycling |
| 03/06/2013 | CN102424883B Vacuum method for producing 25CrMnB steel |
| 03/06/2013 | CN102392099B Hanger plate connecting, adjusting and centering device for backing ring and furnace shell of large converter |
| 03/06/2013 | CN102383025B Preparation method of super-critical high alloy steel suitable for thermal power unit |
| 03/06/2013 | CN102168163B Heating slag melting agent for smelting low-silicon liquid iron and preparation method of the heating slag melting agent |
| 03/06/2013 | CN101655002B Oil layer-section oil casing pipe for exploiting thick oil by method of combustion drive and production method thereof |
| 03/06/2013 | CN101473048B Direct smelting plant with waste heat recovery unit |
| 03/06/2013 | CN101384735B Method of denitrifying molten steel |
| 03/05/2013 | US8391331 Method of charging fine-grained metals into an electric-arc furnace |
| 03/05/2013 | US8388888 Apparatus for injecting gas into a vessel |
| 02/27/2013 | EP2562270A1 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 |
| 02/27/2013 | EP2561295A1 Fuel-fired furnace and method for controlling combustion in a fuel-fired furnace |
| 02/27/2013 | CN202758483U Wireless remote data acquisition unit for steel mill converter smoke helmet cooling-water circulation system |
| 02/27/2013 | CN202757460U Novel oxygen lance nozzle |
| 02/27/2013 | CN202755018U Electric arc furnace top oxygen spraying gun device |
| 02/27/2013 | CN202755017U Converting furnace oxygen lance lateral moving trolley driving device |
| 02/27/2013 | CN202755016U Gap bridge device for connection between converter tap hole and platform |
| 02/27/2013 | CN202755015U Steam recovery system for steelmaking converters |
| 02/27/2013 | CN102943146A Steel smelting slagging method, steel smelting method and slagging material |
| 02/27/2013 | CN102943145A Converter smelting method of ultra-low phosphorus steel |
| 02/27/2013 | CN102943144A Carbon steel converter automatic control method for adaptable blowing-out turning down operation |
| 02/27/2013 | CN102943143A Slag stopping material, slag stopping method and combined technology method of slag stopping and slag splashing protection |
| 02/27/2013 | CN102251068B Vanadium-extracting cooling agent and preparation method thereof |
| 02/27/2013 | CN102211159B Production method of steel for 82 B steel stranded wires |
| 02/27/2013 | CN102181610B Composite slagging agent for making semisteel, and preparation method and using method thereof |
| 02/27/2013 | CN102108468B Steel for railway locomotive axles and manufacturing method thereof |
| 02/27/2013 | CN102021270B Method for improving isotropy of alloy constructional steel |
| 02/20/2013 | EP2558808A1 Device for introducing gases into hot liquid media |
| 02/20/2013 | EP2558602A1 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 |
| 02/20/2013 | CN202746833U Fabric compensator for dry dedusting system |
| 02/20/2013 | CN202746166U Converter smoke helmet cooling water circulating energy conservation management and control system in steel making plant |
| 02/20/2013 | CN202744583U Converter oxygen lance weight steel sling movable block |
| 02/20/2013 | CN202744582U Oxygen lance with protective layer on lance body |
| 02/20/2013 | CN202744581U Gas recovery control system of converter |
| 02/20/2013 | CN102936638A Induction furnace dephosphorizing method by top and bottom blowing |
| 02/20/2013 | CN102936637A Aod炉氧枪 Aod furnace oxygen gun |
| 02/20/2013 | CN102936636A Method for manufacturing medium-carbon low-alloy steel TDC66T-1 containing boron |
| 02/14/2013 | WO2013020703A1 Charging device having an interchangeable base section |
| 02/13/2013 | EP2557058A1 Ladle transport system |
| 02/13/2013 | EP2556318A1 Flash furnace velocity control |
| 02/13/2013 | CN202730173U Bricking structure of converter bottom |
| 02/13/2013 | CN202730172U Arrangement structure of converter four-point connecting rod suspending device |
| 02/13/2013 | CN202730171U Slag stopping car |
| 02/13/2013 | CN202730170U Novel non-steel adhesion converter sublance |
| 02/13/2013 | CN202730169U Converter cone oxygen lance with surface coating layer |
| 02/13/2013 | CN102933726A Process and plant for producing hot metal |
| 02/13/2013 | CN102925799A Production method of ultrahigh-strength steel plate |
| 02/13/2013 | CN102925629A Induction furnace dephosphorization method adopting top and bottom blowing |
| 02/13/2013 | CN102925626A Method for improving aluminum-containing killed steel casting performance of Ti system |
| 02/13/2013 | CN102925623A Method for avoiding arcing and water leakage of water-cooling furnace lid of electric furnace |
| 02/13/2013 | CN102925622A Application method of ferrosilicon in molten steel deoxidization |
| 02/13/2013 | CN102925621A Method for preventing dry dedusting system of semi-steel steel converter from explosion venting |
| 02/13/2013 | CN102925620A Automatic controlling method of converter gas purification and recovery system adjustable Venturi tube |
| 02/13/2013 | CN102925619A Technical method for smelting low-manganese steel of converter |
| 02/13/2013 | CN102925618A Method for increasing nitrogen of vanadium and nitrogen-containing microalloy steel |
| 02/13/2013 | CN102925617A Slag adjusting agent for slag-splashing converter protection of vanadium extracting converter |
| 02/13/2013 | CN102925616A Smelting method of vanadium-containing molten iron |
| 02/13/2013 | CN102251072B Dephosphorizing process of electric furnace steel making |
| 02/13/2013 | CN101928806B Composite slagging agent for semi-steel making and preparation method thereof and semi-steel making method |
| 02/07/2013 | WO2013018476A1 Monolithic refractory |
| 02/06/2013 | EP2554955A1 Method and apparatus for measuring liquid metal height and the thickness of a slag layer in a metallurgical vessel |
| 02/06/2013 | EP2554933A1 Pusher |
| 02/06/2013 | EP2553127A1 Ultrasonic nozzle for use in metallurgical installations and method for dimensioning an ultrasonic nozzle |
| 02/06/2013 | EP2553126A2 Device for injecting gas into a metallurgical vessel |
| 02/06/2013 | CN202717794U Fixed-point steel tapping device of steel shell furnace |
| 02/06/2013 | CN202715822U Lifting type molten iron jar scum stopper |
| 02/06/2013 | CN102912218A Tinned raw-steel plate with excellent stamping property and method for manufacturing tinned raw-steel plate |
| 02/06/2013 | CN102912085A Stainless steel smelting method for improving content of MgO in slag of gas oxygen refining converter and LF (ladle furnace) |
| 02/06/2013 | CN102912079A Submerged arc agent for steelmaking through steel-iron slag and application method of submerged arc agent |
| 02/06/2013 | CN102912078A Minimum energy utilization electric arc furnace system and processes for making steel products |
| 02/06/2013 | CN102912077A Coal gas condensation purification system of converter |
| 02/06/2013 | CN102912076A Method for preventing dry process dust removal pipeline of vanadium extraction converter from scaling |
| 02/06/2013 | CN102912075A Method for improving coal gas recovery of semi-steel steel-making dry dedusting system |
| 02/06/2013 | CN102912074A Method for preventing dry process dust removal system from exhausting yellow smoke |
| 02/06/2013 | CN102912073A Method for preventing vanadium extraction converter dry dedusting system from vented explosion |
| 02/06/2013 | CN102912072A Low-cost slag regulating agent for vanadium-extracting converter splash protection |
| 02/06/2013 | CN102912071A High-calcium vanadium slag for extracting vanadium by calcium process and method for producing high-calcium vanadium slag |
| 02/06/2013 | CN102912070A Slag splashing furnace protection method for vanadium extraction converter |
| 02/06/2013 | CN102912069A Low-cost slag splashing protection method of vanadium extraction converter |
| 02/06/2013 | CN102912068A Slagging constituent for semisteel converter steelmaking and manufacturing method thereof |
| 02/06/2013 | CN102912067A Method for producing steelmaking coolant which is red-mud sponge iron |
| 02/06/2013 | CN102912066A Method for producing and adding blast furnace protection agent |
| 02/06/2013 | CN102909334A Control method for cracks of continuous casting slabs of Cr-contained low alloy steel TDC76 |
| 02/06/2013 | CN102352422B Evaporative cooling tower for dry method convertor gas dedusting |
| 02/06/2013 | CN102337375B Dry dedusting system for primary flue gas from vanadium extraction converter |
| 02/06/2013 | CN102181598B Prejudgment and control method of tapping and slagging of converter based on thermal image |
| 02/06/2013 | CN102080193B Structural steel for welding with ultra-great heat input and manufacturing method thereof |
| 02/06/2013 | CN102021499B Method for manufacturing high-strength pipe steel |
| 02/05/2013 | US8366993 System and method for degassing molten metal |
| 02/05/2013 | US8366992 Gas injection lance |
| 02/05/2013 | CA2735274C Method for controlling foamed slag in a stainless melt in an electric arc furnace |
| 02/04/2013 | DE212011100110U1 Kippbarer Konverter Tilting converter |
| 01/31/2013 | WO2013014326A1 Sampling method and sampling device |
| 01/31/2013 | WO2013014271A1 Method and apparatus for measuring liquid metal height and the thickness of a slag layer in a metallurgical vessel |
| 01/30/2013 | CN202709743U Ladder type masonry construction of bottom of kiln |
| 01/30/2013 | CN202705398U Blanking barrel of water-cooling converter |
| 01/30/2013 | CN202705397U 转炉 Converter |
| 01/30/2013 | CN202705396U Oxygen lance conveying vehicle head traction and anti-collision device |
| 01/30/2013 | CN202705395U Protection device for preventing burn in steel tapping process |
| 01/30/2013 | CN202705394U Converter steel tapping opening |