| 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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| 02/08/2012 | CN101684507B 铁矿石气体还原直接炼钢工艺 Direct reduction of iron ore gas steelmaking process |
| 02/07/2012 | US8110142 High yield ladle bottoms |
| 02/07/2012 | US8110141 Pump with rotating inlet |
| 02/07/2012 | US8109168 Converter gearing having eccentric bushes |
| 02/02/2012 | WO2012013413A1 Working stage and use thereof |
| 02/02/2012 | DE212009000108U1 Vorrichtung zur trockenen Reinigung von bei der Roheisen/Eisenerzeugung anfallendem Gas Apparatus for dry cleaning in pig iron / iron production accumulating gas |
| 02/01/2012 | CN202131327U 转炉下料管内压力放散装置 BOF inner tube under pressure relief device |
| 02/01/2012 | CN202131326U 用于90吨及以下转炉的测碳装置 Means for measuring the carbon 90 tons and below converter |
| 02/01/2012 | CN202131319U 一种钢水车与渣罐车防护盖板 Molten steel slag tanker truck and protective cover |
| 02/01/2012 | CN102337376A Vortex suppressing steel-tapping hole for converter |
| 02/01/2012 | CN102337375A Dry dedusting system for primary flue gas from vanadium extraction converter |
| 02/01/2012 | CN102337374A Oxygen top-blown converter flue gas purification and waste heat recovery system device |
| 02/01/2012 | CN102337373A Using method for recovering refining slag and recycling in converter |
| 02/01/2012 | CN102337372A Cooling solidification recycling method for high-temperature liquid-state slag in steelmaking furnace |
| 02/01/2012 | CN102337371A Control method for enabling resulfurization amount of low-sulfur molten iron to be lower than 10ppm in smelting process of converter |
| 02/01/2012 | CN101876033B 一种低温高韧性船板钢及其生产方法 A cryogenic toughness shipbuilding steel and its production method |
| 02/01/2012 | CN101748346B 一种高等级别耐磨钢板及其生产方法 Higher levels of one kind of wear-resistant steel and its production method |
| 02/01/2012 | CN101748333B 一种低碳当量高强度耐磨钢板及其生产方法 One kind of carbon equivalent high-strength wear-resistant steel and its production method |
| 02/01/2012 | CN101724728B 余热回收及布袋除尘系统 Waste heat recovery systems and dust bag |
| 02/01/2012 | CN101602610B 一种无水泥整体电炉炉盖的原料配方 A non-integral furnace lid cement raw recipe |
| 01/31/2012 | CA2747228C Improved refractory brick for steel ladles |
| 01/31/2012 | CA2539844C Method for analysis of a fused material device and dipping sensor |
| 01/25/2012 | EP2410276A1 Burner |
| 01/25/2012 | EP2409101A1 Steel production facility |
| 01/25/2012 | CN102334003A Oxygen blowing lance cooled by protective gas |
| 01/25/2012 | CN102329918A Widely applicable melting technology of free cutting steel containing lead |
| 01/25/2012 | CN102329917A Production method of clean steel |
| 01/25/2012 | CN102329914A Steel tapping hole casing pipe used for converter body |
| 01/25/2012 | CN102329913A Method for reducing micro cracks on surface of steel plate |
| 01/25/2012 | CN101956040B Producing method of clean steel |
| 01/25/2012 | CN101935805B Grate bar and preparation method thereof |
| 01/25/2012 | CN101798612B Process for washing, pre-desulfurizing and refining tapping steel slag of converter |
| 01/25/2012 | CN101792884B Steel with underrelaxation and hydrogen corrosion resistance for high-speed railway prestressed pull rod and production method thereof |
| 01/25/2012 | CN101474738B Method for manufacturing revolving furnace water-cooling mouth |
| 01/24/2012 | US8100065 Flue dust discharging method and system |
| 01/19/2012 | WO2012007105A1 Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form |
| 01/19/2012 | CA2803109A1 Continuous feeding system to a smelting furnace of pre-heated metal material, in continuous, potentiated and combined form |
| 01/18/2012 | CN202116583U Novel flue gas dustproof movable enclosed hood device for electric stove |
| 01/18/2012 | CN202116582U Transducer rapid sharing device of converter buggy ladle and slag wagon |
| 01/18/2012 | CN202116581U Backing ring device of converter |
| 01/18/2012 | CN202116580U Oxygen top-blown converter and oxygen blowing apparatus thereof |
| 01/18/2012 | CN202116579U Online iron alloy baking furnace used in converter |
| 01/18/2012 | CN202116578U Production equipment of carbon structural steel plate |
| 01/18/2012 | CN102322741A Remote control converter wet spraying process method and device |
| 01/18/2012 | CN102321785A Method for smelting high-silicon low-oxygen clean steel |
| 01/18/2012 | CN102321783A Steel-making method of experimental induction furnace |
| 01/18/2012 | CN102321782A Molten steel purifying agent for IF (intermediate frequency) furnace steelmaking and preparation method thereof |
| 01/18/2012 | CN102321781A Material distribution process for electric furnace smelting burden |
| 01/18/2012 | CN102321780A Method for reducing content of total oxygen and inclusion of forfex material |
| 01/18/2012 | CN102321779A Converter smoke radiation type waste heat boiler recovery system |
| 01/18/2012 | CN102321778A Method of deoxidation of medium carbon aluminum-containing steel in converter |
| 01/18/2012 | CN101899606B Smelting device system of wear-resistant alloy cast steel |
| 01/18/2012 | CN101818309B Manufacturing method of air bottle steel |
| 01/18/2012 | CN101704170B High-toughness gas shielded welding wire and preparation method and use method thereof |
| 01/17/2012 | US8097063 System for furnace slopping prediction and lance optimization |
| 01/16/2012 | DE202007019294U1 Gekühlter Behälter zum Positionieren von Düsen in Lichtbogenöfen Refrigerated containers for positioning of nozzles in electric arc furnaces |
| 01/12/2012 | WO2012005525A2 Device for supporting molten metal container |
| 01/12/2012 | WO2012005119A1 Gas blowing nozzle |
| 01/12/2012 | US20120006156 Steel production facility |
| 01/12/2012 | CA2803908A1 Gas blowing nozzle |
| 01/11/2012 | CN202107725U Self-adaptive oxygen lance quick replacing device |
| 01/11/2012 | CN202107724U Protecting device for spray gun at bottom of top and bottom combined blown converter |
| 01/11/2012 | CN202107723U Recovery system and recovery device for steam generated in evaporation cooling of steelmaking converter |
| 01/11/2012 | CN202107722U Improved steel water and steel slag vehicle of converter |
| 01/11/2012 | CN202107721U Device for converter dust removing fan to make dynamic balance |
| 01/11/2012 | CN102312169A High-strength, low-alloy and high-carbon steel wire rod and production method thereof |
| 01/11/2012 | CN102312166A Stanniferous ferrite stainless steel and smelting method therefor |
| 01/11/2012 | CN102312044A Method for smelting with electric furnace |
| 01/11/2012 | CN102312043A Electric arc furnace steelmaking oxygen supply process, and electric arc furnace steelmaking method by using oxygen supply process |
| 01/11/2012 | CN102312042A Method of rush repair of converter trunnion bearing |
| 01/11/2012 | CN102312041A Anti-corrosion method for oxygen lance nozzle and oxygen lance nozzle |
| 01/11/2012 | CN102312040A Four-impulse control method for steam drum water level of converter |
| 01/11/2012 | CN102312039A Converter smoke cooling device |
| 01/11/2012 | CN102312038A Converter gas water-free explosionproof dedusting process and equipment |
| 01/11/2012 | CN102312037A Steelmaking and slagging method |
| 01/11/2012 | CN102312036A Steelmaking and slagging method |
| 01/11/2012 | CN102312035A Smelting method for producing high strength weathering steel by use of chromium-nickel pig iron |
| 01/11/2012 | CN102002552B Casting and smelting additive |
| 01/11/2012 | CN101857911B Method for steelmaking by using converter |
| 01/11/2012 | CN101812565B Furnace cap water-cooling device for converter |
| 01/10/2012 | US8092572 Method of regulating the output of carbon monoxide in a metallurgical melting process |
| 01/05/2012 | WO2012002897A1 Process for making a steel melt containing carbide forming elements from iron based raw material and a mineral containing the carbide forming element, an mixture for alloying steel and use of a mineral containing carbide forming elements for alloying a steel melt |
| 01/05/2012 | WO2012002338A1 Process for producing molten steel using particulate metallic iron |
| 01/05/2012 | US20120001372 Refractory ceramic plug |
| 01/05/2012 | US20120000315 Method and Device for Controlling Vibrations of a Metallurgical Vessel |
| 01/05/2012 | CA2801606A1 Process for producing molten steel using granular metallic iron |
| 01/04/2012 | CN202101660U Consteel electric furnace angle measuring apparatus |
| 01/04/2012 | CN202099316U Quick charging device for charging steel scrap into electric furnace |
| 01/04/2012 | CN202099315U Slag scraping device for oxygen lance |
| 01/04/2012 | CN202099314U Converter throwing-falling type detecting probe |
| 01/04/2012 | CN202099313U Buffer and balance device for water feed pump system of waste heat boiler of converter |
| 01/04/2012 | CN202099312U Elevated bracket for installation of four-point suspension type mammoth converter |
| 01/04/2012 | CN202099311U Backing ring assembling platform for four-point suspension type mammoth converter |
| 01/04/2012 | CN202099310U Tilting and controlling system for converter accident |
| 01/04/2012 | CN202099309U Anti-blockage device for gravitational dewaterer of converter |
| 01/04/2012 | CN102308191A Temperature measuring device |
| 01/04/2012 | CN102308173A Method and device for controlling a carbon monoxide output of an electric arc light oven |
| 01/04/2012 | CN102308007A Injecting gas into a vessel |
| 01/04/2012 | CN102308006A Apparatus for injecting gas into a vessel |
| 01/04/2012 | CN102305562A Integral heat-pipe flue-gas temperature regulator |