| 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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| 06/22/2011 | CN101665892B Silicon alloy steel and manufacturing method thereof |
| 06/22/2011 | CN101649381B Method for producing secondary cold-rolling tinning original plate |
| 06/16/2011 | WO2011071418A1 Electric steel melting shop |
| 06/16/2011 | WO2011069395A1 Device having four-point connecting rod mechanism for joining converter shell and trunnion ring |
| 06/16/2011 | DE202011100081U1 Mehrstufiger Rotor für die Reinigung von Metallschmelzen A multi-stage rotor for the purification of molten metal |
| 06/15/2011 | EP2333120A1 Process for producing molten iron |
| 06/15/2011 | EP2331715A1 Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment |
| 06/15/2011 | CN201864743U Connecting device of spherical hinge slide bar-type converter backing ring and furnace shell |
| 06/15/2011 | CN201864742U Large-radius pipe bending device of exhaust-heat skirt of converter |
| 06/15/2011 | CN201862610U Tail-end smoke and dust trapping device |
| 06/15/2011 | CN102094155A Cast steel material for chain wheel of marine diesel engine and smelting method thereof |
| 06/15/2011 | CN102094148A Q460D steel for low-alloy high-strength structure of below 50mm and production method thereof |
| 06/15/2011 | CN102094108A Method for realizing deep desulfurization during converter steelmaking through singly-blowing magnesium grain molten iron pretreatment |
| 06/15/2011 | CN102094107A Foaming agent for stainless steel electric furnace |
| 06/15/2011 | CN102094106A Quick installation method for large four-point suspended type converter |
| 06/15/2011 | CN102094105A Bottom blowing system for converter |
| 06/15/2011 | CN102094104A Process for removing dust from steelmaking converter flue gas by pure dry method and recovering heat energy synchronously, and waste heat boiler |
| 06/15/2011 | CN102094103A Method for increasing endpoint carbon content of converter |
| 06/15/2011 | CN102091779A Carbon manganese balls and preparation method thereof and continuous casting smelting process for high or medium carbon steel converter |
| 06/15/2011 | CN102091727A Method for improving internal quality of medium plate |
| 06/15/2011 | CN101818306B Alkaline soil corrosion-resistant steel for hot-rolled U-shaped steel sheet pile and manufacture method thereof |
| 06/15/2011 | CN101781695B System for integrated recovery and utilization of afterheat of converter gas |
| 06/15/2011 | CN101705331B Sensible heat recovering system and method of tail gas of converter with afterburning |
| 06/15/2011 | CN101660094B Large-linear energy welding low-alloy high-strength steel plate and manufacturing method thereof |
| 06/15/2011 | CN101613779B Slagging agent, preparation method and use method thereof |
| 06/15/2011 | CN101608251B Lifting trolley device |
| 06/15/2011 | CN101603117B Slag modifier and preparation method and using method thereof |
| 06/15/2011 | CN101591755B Uncoated tinplate base for acidic food can and manufacturing method thereof |
| 06/15/2011 | CN101586908B Metallurgical oven |
| 06/15/2011 | CN101575658B Oxygen top blown converter steel making method |
| 06/15/2011 | CN101575657B Oxygen top blown converter steel making method |
| 06/14/2011 | US7959709 Method of producing steel for steel pipe excellent in sour-resistance performance |
| 06/14/2011 | CA2519728C Method for producing foamed slag on high-chromium melts in an electric furnace |
| 06/09/2011 | WO2011067657A1 Device and method for feeding metal material into a melting plant |
| 06/09/2011 | DE102009057189A1 Wechselkonverter-Anlage eines Blasstahlwerkes Changing converter unit of a basic oxygen steelmaking |
| 06/08/2011 | EP2330222A1 Removable converter for steelmaking |
| 06/08/2011 | EP2329054A1 Production of ferro-alloys |
| 06/08/2011 | EP2329049A2 Method for controlling foamed slag in a stainless melt in an electric arc furnace |
| 06/08/2011 | EP2329048A1 A material supply apparatus and process |
| 06/08/2011 | CN201858861U Ducted raw material conveying and smoke dust recycling device for smelting containers |
| 06/08/2011 | CN201857404U Thin-shell slag stopping cap |
| 06/08/2011 | CN201857403U Hydraulic hammer |
| 06/08/2011 | CN201857402U Dry dust removing system for converter gas |
| 06/08/2011 | CN102089609A Fixture for an injector and method for the operation thereof |
| 06/08/2011 | CN102089446A Process for producing foamed slag |
| 06/08/2011 | CN102086481A Coal gas waste heat boiler |
| 06/08/2011 | CN101634524B Casting method of electric furnace water cooling cast steel furnace cover |
| 06/08/2011 | CN101006752B Method and device for operating an electric-arc furnace |
| 06/03/2011 | WO2011066553A1 Dynamic lances utilizing fluidic techniques |
| 06/03/2011 | WO2011066550A1 Dynamic control of lances utilizing co-flow fluidic techniques |
| 06/03/2011 | WO2011066549A1 Dynamic control of lances utilizing counterflow fluidic techniques |
| 06/03/2011 | WO2011064233A2 Fastening system for metallurgical vessels |
| 06/03/2011 | WO2011043699A3 Metallurgical facility |
| 06/03/2011 | CA2777167A1 Fastening system for tiltable metallurgical vessels |
| 06/02/2011 | US20110126672 Method and device for the continuous production of steel using metal charge material |
| 06/02/2011 | US20110126671 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 06/01/2011 | EP2327803A1 Converter floating disc |
| 06/01/2011 | EP2327802A1 Determination of the bath level in metallurgical containers |
| 06/01/2011 | DE102009056219A1 Befestigungssystem für metallurgische Gefäße Mounting system for metallurgical vessels |
| 06/01/2011 | CN201850285U Dry dust-collecting system for converter |
| 06/01/2011 | CN201850284U Gas flow rate controller based on parallel connection superposition algorithm |
| 06/01/2011 | CN201848789U Clamp for preventing electrode accidents |
| 06/01/2011 | CN201848528U Switch frame of liquid injection ladle cover of electric furnace |
| 06/01/2011 | CN102080193A Structural steel for welding with ultra-great heat input and manufacturing method thereof |
| 06/01/2011 | CN102080189A Structural steel for high-heat input welding and manufacturing method thereof |
| 06/01/2011 | CN102080184A 75-mm Z15 series steel plate prepared by rolling 250-mm casting blank and production method of 75-mm Z15 series steel plate |
| 06/01/2011 | CN102080139A Tilting control system of converter |
| 06/01/2011 | CN102080138A Rotary control system for converter |
| 06/01/2011 | CN102080137A Design method of highest tap hole position of converter |
| 06/01/2011 | CN102080136A Converter smelting technique |
| 06/01/2011 | CN101748236B Method for controlling titanium component content in molten steel |
| 06/01/2011 | CN101709351B Method for oxygen blast of electric furnace |
| 06/01/2011 | CN101693982B Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 06/01/2011 | CN101649421B Manufacturing method of niobium microalloyed steel continuous casting thick plate blank |
| 06/01/2011 | CN101649418B Ferrite stainless steel cold-rolled steel band and manufacturing method thereof |
| 06/01/2011 | CN101633999B Austenitic stainless steel, steel tube thereof and manufacturing method thereof |
| 06/01/2011 | CN101619375B Method for preventing electric precipitation detonation discharge of top and bottom blown converter |
| 06/01/2011 | CN101613837B Manufacturing method of titanium micro-alloyed steel continuous casting heavy slab |
| 06/01/2011 | CN101608285B Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 06/01/2011 | CN101418363B Method for producing low carbon and high ductility X60/X65pipeline steel |
| 05/26/2011 | WO2011060505A1 Method of processing metallurgical waste powder |
| 05/26/2011 | US20110120266 Method and system for energy-optimized and co2 emission-optimized iron production |
| 05/25/2011 | CN201842856U Water-cooling cover plate of sand feeding hole of steel-making electric furnace |
| 05/25/2011 | CN201842855U Rapid switching device for carbon spraying of electric furnace |
| 05/25/2011 | CN102076872A Torque support for a converter tilting drive |
| 05/25/2011 | CN102076399A Combustion of co and combustibles in steel furnace offgases |
| 05/25/2011 | CN102071364A Steel tube and production technique thereof |
| 05/25/2011 | CN102071357A Nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar and melting method |
| 05/25/2011 | CN102071287A Method for melting high-temperature-resistance and high-pressure-resistance alloy steel |
| 05/25/2011 | CN102071283A Boron-containing fluorine-free fluxing slag-melting agent for electric steelmaking |
| 05/25/2011 | CN102071282A Splashing pre-warning device for converter steelmaking |
| 05/25/2011 | CN102071281A Converter gas dry method bag type recovering and purifying system and process |
| 05/25/2011 | CN102071280A Purification method of converter gas |
| 05/25/2011 | CN102071279A Slag washing material for converter process production aluminum killed steel and preparation method thereof |
| 05/25/2011 | CN102071278A Method and device for automatically regulating speed of converter fan |
| 05/25/2011 | CN102071277A Converter dephosphorizing and steelmaking method |
| 05/25/2011 | CN102069345A Method for manufacturing large-specification steel pipe retained mandrel |
| 05/25/2011 | CN102069157A Method for preparing high-aluminum steel |
| 05/25/2011 | CN101671756B Composite fluxing medium for revolving furnace |
| 05/25/2011 | CN101649416B High carbon steel wire rod and preparation method thereof |