| 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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| 05/12/2010 | CN201463508U Scrap steel collecting device |
| 05/12/2010 | CN201461007U Gas waste heat power generating system |
| 05/12/2010 | CN201459180U Novel convertor oxygen-lance elevator platform trolley |
| 05/12/2010 | CN201459179U Three-support surface prestress stop seat mechanism of revolving furnace |
| 05/12/2010 | CN201459178U Differential mechanism used for steel mill oxygen lance hoisting device |
| 05/12/2010 | CN201459177U Gas gasifying and cooling flue of revolving furnace |
| 05/12/2010 | CN1619244B Method for determining height of smelting tank when continuously feeding cast iron in arc furnace |
| 05/12/2010 | CN101705436A Duplex stainless steel |
| 05/12/2010 | CN101705429A Wire rod of high-speed railroad no-slag sleeper slab steel wire and production method thereof |
| 05/12/2010 | CN101705423A Low-cost steel plate for building structure and manufacturing method thereof |
| 05/12/2010 | CN101705412A Method for smelting large energy input welded pipeline steel |
| 05/12/2010 | CN101705333A Reduction and utilization method of dedusting ash of stainless steel |
| 05/12/2010 | CN101705332A Process for manufacturing stainless steel by using high-phosphorus nickel-chromium pig iron |
| 05/12/2010 | CN101705331A Sensible heat recovering system and method of tail gas of converter with afterburning |
| 05/12/2010 | CN101705330A Method for purifying smoke of steel converter and recovering residual heat |
| 05/12/2010 | CN101705329A Method and device for automatically controlling coal gas recovery of converter |
| 05/12/2010 | CN101705328A Method for manufacturing slagging pellets by using waste magnesia carbon brick hot end |
| 05/12/2010 | CN101705327A Production technology of steel used for pipe line steel electrode |
| 05/12/2010 | CN101704170A High-toughness gas shielded welding wire and preparation method and use method thereof |
| 05/11/2010 | CA2460085C Converter gearing |
| 05/11/2010 | CA2320654C A direct smelting process |
| 05/06/2010 | WO2010048773A1 Magnetic mechanical equipment, method for separating solid particles from each other in dust, system and method for recycling metal component |
| 05/05/2010 | CN201449152U Oxygen lance spray-head |
| 05/05/2010 | CN201447487U Converter trunnion ring with U-shaped opening structure |
| 05/05/2010 | CN101701774A Oxygen lance Spray nozzle |
| 05/05/2010 | CN101701281A Premelted refining slag for refining low-oxygen steel by converter |
| 05/05/2010 | CN101701278A Composite slag former |
| 05/05/2010 | CN101701277A Method for smelting steel round blank of air cylinder by convertor process |
| 05/05/2010 | CN101701276A Method for smelting steel round blank of pipeline with hydrogen sulfide corrosion resistance by convertor process |
| 05/04/2010 | CA2409474C Apparatus for injecting solid particulate material into a vessel |
| 04/29/2010 | WO2010047004A1 Waste heat recovery facility of arc furnace for steel-making and method for recovering waste heat |
| 04/29/2010 | DE102008013698B4 Lanze zur Aufnahme eines Sensors oder Probennehmers für Metallschmelzen Lance to receive a sensor or sampling device for molten metals |
| 04/28/2010 | CN201443980U Converter gas-sealing device |
| 04/28/2010 | CN201443975U Taper oxygen lance |
| 04/28/2010 | CN201442961U spherical slag stopper with spurs |
| 04/28/2010 | CN201442960U Converter oxygen lance muzzle sealing device |
| 04/28/2010 | CN201442959U Converter gas-hood elevating device |
| 04/28/2010 | CN201442957U Dry-type rotary pulse dedusting device for blast furnace gas |
| 04/28/2010 | CN101698925A Low-carbon phosphorus-added high-yield-strength cold rolled steel sheet and manufacturing method thereof |
| 04/28/2010 | CN101698906A Method for preparing metal liquid and hydrogen with carbon dioxide, steam and combustible material through thermal cycle |
| 04/28/2010 | CN101698897A Technology of quickly producing white slag capable of strong desulphurizing after converter tapping |
| 04/28/2010 | CN101698896A System and method for steel-making online end-point control through furnace mouth radiation information fusion |
| 04/27/2010 | US7704450 cost efficiency; steel making |
| 04/27/2010 | US7704403 metals and alloys exhibiting long-range ordering and unique electronic character; x-ray fluorescence spectrometry; silicon, aluminum, copper, nickel, chromium, manganese, iron, cobalt, nickel, copper, zinc, or their alloys |
| 04/22/2010 | US20100096784 System employing generation of controlled furnace atmospheres without the use of separate gas supplies or stand-alone atmosphere generators |
| 04/22/2010 | DE102008052800A1 Schlackentür für metallurgische Öfen Slag door for metallurgical furnaces |
| 04/21/2010 | CN201439531U Slag scraper for auxiliary lance of converter furnace |
| 04/21/2010 | CN201439530U Converter tap hole tube brick change transportation device |
| 04/21/2010 | CN101696484A Chromium-containing HRB400 hot-rolled ribbed steel bar and production method thereof |
| 04/21/2010 | CN101696462A Method for producing low phosphorus steel by smelting semisteel |
| 04/21/2010 | CN101696461A Method for producing molten steel and hydrogen by thermal circulation of carbon dioxide gas |
| 04/20/2010 | US7700035 Direct smelting plant and process |
| 04/15/2010 | US20100089202 Method for the reduction of a slag having a high degree of chromium in an electric arc furnace |
| 04/14/2010 | CN101694352A Waste heat recovery system of exhaust gas of metallurgical converter |
| 04/14/2010 | CN101693982A Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 04/14/2010 | CN101693940A Utilizing method of waste slag of vacuum degassing refining furnace |
| 04/14/2010 | CN101693937A Method for distributing Y-branch fitting water at mouth section of evaporation cooling flue of steel converter |
| 04/14/2010 | CN101693936A Explosion suppression device of combustible gas for flues |
| 04/14/2010 | CN101693935A Compound slag-forming constituent for converters |
| 04/14/2010 | CN101693929A Method for preparing slagging scrap by using steel-making waste residue |
| 04/13/2010 | CA2497614C A slag conditioner composition, process for manufacture and method of use in steel production |
| 04/13/2010 | CA2323272C Stable idle procedure |
| 04/08/2010 | WO2009155892A3 Torque support for a converter tilting drive |
| 04/08/2010 | US20100084795 Method for operating a converter |
| 04/07/2010 | CN1926248B Direct smelting plant and process |
| 04/07/2010 | CN101691644A Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 04/07/2010 | CN101691639A Alloy vessel plate and production method thereof |
| 04/07/2010 | CN101691624A Purifying and recovering process of absolute dry bag-type converter gas negative energy |
| 04/07/2010 | CN101691623A Process for smelting vanadium-containing molten iron converter |
| 04/07/2010 | CN101691622A Converter dephosphorization pretreatment and slagless decarburization method |
| 04/07/2010 | CN101381788B Fireproof brick with equal terminal difference for large converter ladle inner wall and masonry method thereof |
| 04/06/2010 | US7691320 Gas supply system for a metallurgical furnace and operating method for said system |
| 04/01/2010 | WO2010034791A1 Method and device for dry dust removal and cleaning of gas produced during iron production or coal gasification |
| 03/31/2010 | EP2167894A1 Anchor system for refractory lining |
| 03/31/2010 | CN201435844Y Regulation device of electrode distribution circle diameter |
| 03/31/2010 | CN201434598Y Chute assembly used for adding alloy in steel-making |
| 03/31/2010 | CN201434592Y Electric furnace steel-tapping hole brick |
| 03/31/2010 | CN201433226Y Furnace skirt of anti-shedding converter |
| 03/31/2010 | CN201433225Y Furnace skirt assembly of converter |
| 03/31/2010 | CN201433224Y Cooling device of pneumatic dreg blocking air cylinder |
| 03/31/2010 | CN201433223Y Novel compound test head used before finishing converting for sublance |
| 03/31/2010 | CN101688261A Improvements in the production of ferro-alloys |
| 03/31/2010 | CN101688260A Enhanced alloy recovery in molten steel baths utilizing cored wires doped with deoxidants |
| 03/31/2010 | CN101688258A Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device |
| 03/31/2010 | CN101684986A Maintenance method of gas permeable brick of vanadium extraction converter and production method of converter vanadium extraction |
| 03/31/2010 | CN101684538A Structural steel for bridge and method for manufacturing same |
| 03/31/2010 | CN101684512A Coherent jet oxygen blowing method for electric furnace steel making |
| 03/31/2010 | CN101684511A Dry cloth bag purifying recovery device of converter coal gas |
| 03/31/2010 | CN101684510A New method for modifying top dross in steel ladle of rimmed steel |
| 03/31/2010 | CN101684509A Method for preventing converter from dumping steel |
| 03/31/2010 | CN101684508A Heating agent for smelting stainless steel with hot metal in AOD furnace and use method thereof |
| 03/31/2010 | CN101684507A Direct steel making technique by reducing iron ore with gas |
| 03/30/2010 | US7687020 Apparatus for injecting material into a vessel |
| 03/30/2010 | US7687018 Means for conveying material |
| 03/25/2010 | WO2010032642A1 Process for producing molten iron |
| 03/25/2010 | WO2010031116A1 A material supply apparatus and process |
| 03/25/2010 | US20100071508 Method of regulating the output of carbon monoxide in a metallurgical melting process |
| 03/25/2010 | CA2737313A1 A material supply apparatus and process |
| 03/24/2010 | CN201429365Y Soot cleaning device and soot cleaning system of evaporative cooler |
| 03/24/2010 | CN201429316Y Ancillary material feeding device for steelmaking electric arc furnace |