| 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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| 10/30/2013 | CN203256294U Steel-making casting system |
| 10/30/2013 | CN103380344A Burner insert for an arc furnace |
| 10/30/2013 | CN103374685A Stainless steel material and manufacturing method thereof |
| 10/30/2013 | CN103374654A Recovery processing method of leftover materials of container plate |
| 10/30/2013 | CN103374641A Converter gas cloth-bag dust-removing purification method based on energy recycling |
| 10/30/2013 | CN102676727B Process for controlling smelting silicon content of low-silicon steel |
| 10/30/2013 | CN102605142B Method of auto-setting calculation for proportional coefficient of electrode regulator of ladle refining furnace |
| 10/30/2013 | CN102392101B Automatic correcting error control on converter tilting angle |
| 10/30/2013 | CN102367503B Method for controlling contents of phosphorus, sulfur and hydrogen in molten steel |
| 10/30/2013 | CN102021269B First furnace smelting method for new electric arc furnace |
| 10/24/2013 | WO2013156016A1 Insert assembly having a frame box and fuel feed support, electric arc furnace equipped with said assembly and method for operating an electric arc furnace of this type |
| 10/24/2013 | US20130276581 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 10/24/2013 | DE102012016045B3 Verfahren zum Betrieb einer Aufblaslanzenanordnung, sowie Aufblaslanzenanordnung selbst Method for operating a Aufblaslanzenanordnung, and even Aufblaslanzenanordnung |
| 10/23/2013 | EP2652158A1 Ceramic bottom lining of a blast furnace hearth |
| 10/23/2013 | CN203247284U Sealing piece on-line changeable rotary connector of converter |
| 10/23/2013 | CN203247283U Device for measuring micro differential pressure at converter opening |
| 10/23/2013 | CN103361558A Rare-earth-containing wet-H2S-corrosion-resistant T95 steel-grade oil well pipe and production method thereof |
| 10/23/2013 | CN103361552A V-N microalloying 460MPa-level thick plate and manufacturing method thereof |
| 10/23/2013 | CN103361542A Wheel steel smelting process |
| 10/23/2013 | CN103361467A Method for online repairing furnace-wall water cooling block of arc furnace |
| 10/23/2013 | CN103361466A Supersonic-speed flat oxygen lance for electric furnace |
| 10/23/2013 | CN103361465A Steel-making method for electric arc furnace and steel-making device thereof |
| 10/23/2013 | CN103361464A Method for blowing oxygen at converter bottom |
| 10/23/2013 | CN103361463A Position control system and method for oxygen lance in converter |
| 10/23/2013 | CN103361462A Control method for low-carbon high-phosphorus steel tapping in converter |
| 10/23/2013 | CN103361461A Method for performing online prediction and control on phosphorus content of low-carbon steel smelted by converter |
| 10/23/2013 | CN103361460A Production method for effectively controlling gas content in beam blank |
| 10/22/2013 | US8562902 Direct smelting plant |
| 10/22/2013 | US8562713 Flexible minimum energy utilization electric arc furnace system and processes for making steel products |
| 10/22/2013 | US8562712 Method and apparatus for the production of metal compounds |
| 10/17/2013 | WO2013152937A1 Method for operating an arc furnace and smelting system having an arc furnace operated according to said method |
| 10/17/2013 | DE102012016142B3 Heißwindlanze mit einem am Heißwindaustritt angeordneten Düsenstein Hot blast lance having a arranged at the hot blast outlet nozzle block |
| 10/16/2013 | EP2650386A1 Method for operating an arc oven and melting assembly with an arc oven operated according to this method |
| 10/16/2013 | EP2649394A1 Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method |
| 10/16/2013 | EP2649210A1 Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method |
| 10/16/2013 | EP2649209A1 Apparatus for pre-heating a metal charge for a melting plant and connected method |
| 10/16/2013 | EP2649208A1 Lance for a furnace crucible system or a metallurgical reaction vessel |
| 10/16/2013 | CN203238294U Oxygen lance for converter |
| 10/16/2013 | CN203238293U Thermal-state spray repair device for rotary furnace or ladle liner |
| 10/16/2013 | CN103352168A Low-carbon and high-chromium steel and converter smelting technology thereof |
| 10/16/2013 | CN103352101A Low-cost smelting technology of converter |
| 10/16/2013 | CN103352100A Raw rauhkalk steelmaking method |
| 10/16/2013 | CN103352099A Method for producing converter coolant by Bayer red mud |
| 10/16/2013 | CN103350202A Method for manufacturing high-quality SCr420 HB automobile gear steel |
| 10/16/2013 | CN102816890B Automatic control method for point blow operation of oxygen lance of oxygen top-blown convertor |
| 10/16/2013 | CN102643949B Dry cleaning and waste heat recovery method and system for middle temperature section of converter gas |
| 10/16/2013 | CN102634635B Energy-saving electric furnace |
| 10/16/2013 | CN102605264B Method for preparing corrosion resistant die steel with ultrahigh ductility and high hardness |
| 10/15/2013 | US8557018 Process for improving energy supply to a scrap bulk |
| 10/15/2013 | CA2508583C Device for performing measurements and/or taking samples in molten metals |
| 10/10/2013 | WO2013151992A1 Cost-effective ferritic stainless steel |
| 10/10/2013 | WO2013087050A3 Converter gas discharge |
| 10/09/2013 | EP2647937A1 Slag discharge door device for an electric furnace |
| 10/09/2013 | CN203229548U Overskirt for converter |
| 10/09/2013 | CN103343293A Rare earth containing, high strength and high toughness seamless steel pipe used for gas cylinder and production method thereof |
| 10/09/2013 | CN103343181A Copper steel composite converter oxygen lance sprayer |
| 10/09/2013 | CN103343180A Preparation method of converter steelmaking synthetic slag former |
| 10/09/2013 | CN103343179A Converter steelmaking synthetic slag former |
| 10/09/2013 | CN102618692B Purification and recovery plant realized by means of directly calcining lime by aid of primary high-temperature flue gas of converter |
| 10/09/2013 | CN102559991B State transition device capable of achieving uninterrupted heat energy output and utilization for steelmaking converter |
| 10/08/2013 | US8551905 Metal-carbon compositions |
| 10/03/2013 | WO2013145686A1 Method for refining hot metal in converter |
| 10/03/2013 | US20130259082 Preheating appartus for steel scrap and metallurgical melting vessel equipped therewith |
| 10/02/2013 | DE102013005377A1 Injecting carbonaceous dust e.g. petroleum coke dust into cupola furnace, comprises supplying petroleum coke dust into distributor by furnace lances, where dust supply is positioned between a dosing tank and the distributor |
| 10/02/2013 | DE102012006765A1 Beschickungseinrichtung für einen an eine Gasabzugseinrichtung angeschlossenen Schachtofen Charging device for a shaft furnace connected to a gas exhaust device |
| 10/02/2013 | CN203222597U Coal gas dust control device of rotary furnace |
| 10/02/2013 | CN1884587B Modified electric oven slagging agent, production process and uses |
| 10/02/2013 | CN103333993A Dephosphorizing method of vacuum induction furnace |
| 10/02/2013 | CN103333990A Steel slag vehicle derailing reset apparatus and method thereof |
| 10/02/2013 | CN103333989A Lance holder with protector for curved lances, in particular curved oxygen lances |
| 10/02/2013 | CN103333988A Method and device for quickly repairing convertor tap hole |
| 10/02/2013 | CN103333987A Converter gas dry method bag-type recovering and purifying process system |
| 10/02/2013 | CN103333986A Converter coal gas dry dedusting and cinder pneumatic transmission system |
| 10/02/2013 | CN103333985A Converter gas dry dedusting coarse ash pneumatic conveying system |
| 10/02/2013 | CN103333984A Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| 10/02/2013 | CN103333983A Converter primary flue gas dry dedusting and cinder pneumatic transmission system |
| 10/02/2013 | CN103333982A Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| 10/02/2013 | CN103333981A Method for smelting high-silicon molten iron by using limestone as slagging material |
| 10/02/2013 | CN103333980A Recycling method of casting slag |
| 10/02/2013 | CN103331068A Annular gap long-neck venturi tube |
| 10/02/2013 | CN102538497B Method and device for recovery and full-effect utilization of flue gas thermal energy of steel converter |
| 10/01/2013 | US8546292 Metal-carbon compositions |
| 10/01/2013 | US8545597 Method for operating a blast furnace and blast furnace installation |
| 10/01/2013 | US8545593 Direct processing of metallic ore concentrates into ferroalloys |
| 09/26/2013 | WO2013140566A1 Material feeding system |
| 09/25/2013 | EP2641045A1 Burner insert for an arc furnace |
| 09/25/2013 | CN203216279U Device used for adding alloy in steel tapping process of electric furnace |
| 09/25/2013 | CN203212597U Converter petticoat water seal barrel with backwash mechanism |
| 09/25/2013 | CN103328913A Slag discharge door device for an electric furnace |
| 09/25/2013 | CN103328659A Systems and methods for recycling steelmaking converter exhaust residue and products made thereby |
| 09/25/2013 | CN103322822A Dry cooling, purifying and recycling system for coal gas |
| 09/25/2013 | CN103320722A Hardening and tempering type high-strength hydrogen sulfide-resistant steel for petroleum pipe, and manufacturing method of steel |
| 09/25/2013 | CN103320721A Chrome-molybdenum steel plate requiring to keep yield and strength lower limits under thickness stretching and high stretching and production method thereof |
| 09/25/2013 | CN103320698A Axle steel and preparation method thereof |
| 09/25/2013 | CN103320696A Low-alloy heat-resistant steel plate and manufacturing method thereof |
| 09/25/2013 | CN103320570A Method for manufacturing steel |
| 09/25/2013 | CN103320569A Oxygen pressure adjustment apparatus and adjustment method for electric furnace |
| 09/25/2013 | CN103320568A Multifunctional intelligent spray dust collection cooler |
| 09/25/2013 | CN103320567A Converter steelmaking method and converter steelmaking device |
| 09/25/2013 | CN103320566A Method for smelting semi-steel through double-slag process |