| 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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| 06/19/2013 | CN101504544B Methods and apparatus for an oxygen furnace quality control system |
| 06/13/2013 | WO2013082659A1 Starting a smelting process |
| 06/13/2013 | WO2013082658A1 Starting a smelting process |
| 06/13/2013 | WO2013082653A1 Starting a smelting process |
| 06/13/2013 | WO2013045198A3 Method and device for influencing the genesis of reaction gases in a metallurgic vessel |
| 06/13/2013 | DE102011121677A1 Konvertergasabführung Converter gas removal |
| 06/13/2013 | CA2858176A1 Starting a smelting process |
| 06/13/2013 | CA2857684A1 Starting a smelting process |
| 06/13/2013 | CA2857681A1 Starting a smelting process |
| 06/12/2013 | EP2600989A1 Building provided with a hood for drawing fumes produced in metallurgical environment |
| 06/12/2013 | CN202989201U Deoxidizing agent for steelmaking converter |
| 06/12/2013 | CN202989200U Double-rocking arm type oxygen lance slag scraper and scraping cutter assembly |
| 06/12/2013 | CN202989199U Forging warm-extrusion oxygen lance nozzle |
| 06/12/2013 | CN202989198U Detection system for carbon content and temperature in converter |
| 06/12/2013 | CN103154654A Heat exchanger for the rapid cooling of flue gas of ironwork plants, apparatus for the treatment of flue gas in ironwork plants comprising such a heat exchanger and relative treatment method |
| 06/12/2013 | CN103154653A Device and method for protecting an optical observation opening |
| 06/12/2013 | CN103154652A Method and control and tracking system of the charge of material transported by a continuous supply conveyor of a metallurgical furnace, particularly an electric furnace for the production of steel |
| 06/12/2013 | CN103154277A Wireless lance |
| 06/12/2013 | CN103146980A Phosphorus controlling process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method |
| 06/12/2013 | CN103146979A Production process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method |
| 06/12/2013 | CN103146885A Method for utilizing industrial waste slag |
| 06/12/2013 | CN103146876A Material conveying method for automatically distributing materials on material conveying device and material conveying device |
| 06/12/2013 | CN103146875A Method for smelting high nitrogen steel under ordinary pressure |
| 06/12/2013 | CN103146874A Method for controlling water jet capacity of once dry-method dedusting evaporation cooling tower in converter steelmaking |
| 06/12/2013 | CN103146873A Enriching sludge ball for semisteel steelmaking and slagging method for semisteel steelmaking |
| 06/12/2013 | CN103146872A Pre-molten synthetic slag and converter tapping reverse wash-heat method using same |
| 06/12/2013 | CN103146871A Graphitized carbon temperature raising agent and its preparation method |
| 06/12/2013 | CN102747187B Special smelting process of core rod steel |
| 06/12/2013 | CN102703638B Oxygen lance fixing device for oxygen bottom blowing furnace |
| 06/12/2013 | CN102424884B Lifting control system for oxygen gun accident and control method for oxygen gun accident |
| 06/12/2013 | CN102373310B Method for guiding converter reblowing process operation |
| 06/12/2013 | CN102304606B Slag former and slagging method for semisteel steelmaking |
| 06/12/2013 | CN102016081B Slag foaming killing material, and slag foaming killing method |
| 06/12/2013 | CN101896625B Method for producing a steel melt containing up to 30% of manganese |
| 06/11/2013 | CA2604767C Equipment for measurement and control of load material or scrap feeding into a furnace and relative method |
| 06/06/2013 | WO2013080110A1 Fluid cooled lances for top submerged injection |
| 06/06/2013 | CA2854063A1 Fluid cooled lances for top submerged injection |
| 06/05/2013 | EP2599884A1 A briquette and a method of manufacturing same, in particular suitable for inductive melting |
| 06/05/2013 | EP2598819A1 Working stage and use thereof |
| 06/05/2013 | CN202973939U Residual heat baking iron scale device for steel plant |
| 06/05/2013 | CN202973835U Electric arc furnace steelmaking feeding device |
| 06/05/2013 | CN202968610U Variable frequency electric furnace for smelting and reducing metal and non-metal in mineral by pyrogenic process |
| 06/05/2013 | CN202968609U Furnace door drying device for electric-arc furnace |
| 06/05/2013 | CN202968608U Converter bottom and converter |
| 06/05/2013 | CN202968607U Universal joint of horizontal rotary furnace |
| 06/05/2013 | CN202968606U Converter tuyere puncher |
| 06/05/2013 | CN202968605U Air inlet and outlet dual-connection gate valve of converter |
| 06/05/2013 | CN202968604U Universal joint |
| 06/05/2013 | CN202968603U Driving wheel structure for converter puncher |
| 06/05/2013 | CN202968602U Supporting wheel structure of converter puncher |
| 06/05/2013 | CN202968601U Hanging chain capable of quickly aligning furnace bottom to furnace body of converter |
| 06/05/2013 | CN202968600U Converter oxygen gun convenient to fast change |
| 06/05/2013 | CN202968599U Locator applied to change of tap hole of converter |
| 06/05/2013 | CN202968598U Slag collecting car for converter |
| 06/05/2013 | CN202968597U Special platform for mounting bottom blow gun of rotary furnace |
| 06/05/2013 | CN202968596U Oxygen lance quick change device for converter |
| 06/05/2013 | CN202968595U Gas recovery dual-limit control system of converter |
| 06/05/2013 | CN202968594U Dry-type dedusting hydraulic system |
| 06/05/2013 | CN103131821A Slagging constituent and preparation method thereof |
| 06/05/2013 | CN103131820A Silicomanganese efficient absorption alloy ball and preparation method thereof |
| 06/05/2013 | CN103131819A Cooling structure of converting furnace oxygen lance and feed opening |
| 06/05/2013 | CN103131818A Slagging agent used in converter steelmaking, and preparation method thereof |
| 06/05/2013 | CN103131817A Converter steelmaking phosphorus reservation smelting method |
| 06/05/2013 | CN102534101B Method and device using convertor waste gas to produce high-quality steam needed by refining furnace in matching way |
| 06/05/2013 | CN102424934B Manufacturing method of steel forged component of 18CrNiMo7-6 large gear |
| 06/05/2013 | CN102409135B Installation method for converter tilting device |
| 06/05/2013 | CN102312041B Anti-corrosion method for oxygen lance nozzle and oxygen lance nozzle |
| 06/05/2013 | CN102260835B Nuclear power steel 18MnNiMo and its preparation method |
| 06/05/2013 | CN101824584B High-performance granular bainite rail steel and production process |
| 05/30/2013 | WO2013076300A1 Iron and molybdenum containing pellets |
| 05/30/2013 | CA2856164A1 Iron and molybdenum containing pellets |
| 05/29/2013 | EP2597165A1 Iron and molybdenum containing pellets |
| 05/29/2013 | DE102011087375A1 Component e.g. exhaust gas heat exchanger used in motor car, has surface that is provided with space region in which aggressive media are accommodated, and pad which is provided on surface of cup-like element |
| 05/29/2013 | CN202955962U Device for obtaining at least one measuring value on smelting furnace and smelting furnace |
| 05/29/2013 | CN202954063U Residue-scraping device of converter oxygen lance |
| 05/29/2013 | CN202954062U Slag stopper |
| 05/29/2013 | CN202954061U Combined slag pushing plate |
| 05/29/2013 | CN202954060U Gas-steam dual-purpose blocking ring for opening of oxygen lance of converter |
| 05/29/2013 | CN202954059U Three-fulcrum shaft reset device of converter |
| 05/29/2013 | CN103122403A Molten steel and steel slag recycling accelerant |
| 05/29/2013 | CN103122402A Slag retaining slide plate brick for converter |
| 05/29/2013 | CN103122401A Method for smelting low-phosphorus molten steel in converter |
| 05/29/2013 | CN102424890B Logistic system for feeding in smelting of electric furnace and feeding method thereof |
| 05/29/2013 | CN102181599B Method for quickly and accurately centering offset oxygen lance of converter |
| 05/29/2013 | CN102146493B Method for smelting clean steel in electromagnetic induction furnace by blowing CO2 |
| 05/29/2013 | CN101932734B Method and device for determining the size and shape of a solid material in an arc furnace, and an arc furnace |
| 05/29/2013 | CN101796411B Indirect determination of the waste gas rate for metallurgical processes |
| 05/28/2013 | US8449813 Deoxidation apparatus for preparing titanium powder with low oxygen concentration |
| 05/23/2013 | WO2013071956A1 Metallurgical composition for the manufacture of ferrochrome |
| 05/23/2013 | WO2013071955A1 Process for the manufacture of ferrochrome |
| 05/23/2013 | WO2013048067A3 Method of manufacturing a slag discharge door |
| 05/23/2013 | CA2851287A1 Process for the manufacture of ferrochrome |
| 05/23/2013 | CA2850869A1 Metallurgical composition for the manufacture of ferrochrome |
| 05/22/2013 | EP2593572A1 Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form |
| 05/22/2013 | CN202947459U Titanium slag furnace cone-shaped smoke hood |
| 05/22/2013 | CN202945265U Improved three-point spherical hinge connecting device of converter |
| 05/22/2013 | CN202945264U Rotary sublance applicable to small converters |
| 05/22/2013 | CN202945263U Wear-resisting oxygen gun/slag inserter |
| 05/22/2013 | CN202945262U Discharging pipe of top-blown converter |
| 05/22/2013 | CN202945261U Cross array pipe cooling type movable smoke helmet |