| 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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| 08/21/2013 | CN203144440U Converter bunker hanging and feeding device |
| 08/21/2013 | CN203144439U Gas-water separation device for wet dust collection of converter |
| 08/21/2013 | CN103261825A Reinforced distributor for post-ombustion lance |
| 08/21/2013 | CN103261444A Ceramic bottom lining of a blast furnace hearth |
| 08/21/2013 | CN103261118A Refractory object, glass overflow forming block, and process of forming and using the refractory object |
| 08/21/2013 | CN103255349A Small-size 600MPa-level aseimatic twisted steel and manufacturing method thereof |
| 08/21/2013 | CN103255262A Anti-falling brake device for oxygen lance |
| 08/21/2013 | CN103255261A Converter tapping hole sliding gate slag-stopping process |
| 08/21/2013 | CN103255260A Converter flue gas purifying and waste heat recovering system and bag-type dust removing technology |
| 08/21/2013 | CN103255259A Method of controlling molten steel pourability under condition of calcium-free treatment |
| 08/21/2013 | CN103255258A Converter smelting method of low-phosphorous and high-alloy steel |
| 08/21/2013 | CN103255257A Method for improving yield ratio of ferrite-pearlite type non-quenched and tempered steel |
| 08/21/2013 | CN103255250A Blast furnace and blast furnace-intermediate frequency induction furnace integrated smelting system |
| 08/21/2013 | CN102776313B Method for smelting high-phosphorus steel by low-temperature low-silicon molten iron in converter |
| 08/21/2013 | CN102586546B Process for preparing low-carbon low-silicon-aluminium killed steel |
| 08/21/2013 | CN101535212B Manufacture method of durable sleeve bricks |
| 08/14/2013 | EP2626685A1 Method and device for automatic release of sample bodies |
| 08/14/2013 | CN203128612U Conveying device with automatic steel scrap uniformly distributing device |
| 08/14/2013 | CN203128611U Converter flue gas waste heat utilization system |
| 08/14/2013 | CN203128610U Air-curtain dust removal device for secondary flue gas of converter |
| 08/14/2013 | CN203128609U Spray dust removal device for secondary flue gas of converter |
| 08/14/2013 | CN103245209A Evaporative cooling tower |
| 08/14/2013 | CN103243193A Nitrogen sealing device of lower muzzle of steel converter |
| 08/14/2013 | CN103243192A Converter smelting method for rapidly and efficiently dephosphorizing low-basicity dephosphorization slag |
| 08/14/2013 | CN102634637B Operation technology for electric furnace converter |
| 08/14/2013 | CN102559984B Method for producing high carbon steel through double-slag high drawing carbon tapping |
| 08/14/2013 | CN102534100B Circular seam control device and process for novel converter one-time dedusting OG (Oxygen Converter Gas Recovery) system |
| 08/14/2013 | CN102534092B Method for protecting top-bottom combined blown converter |
| 08/14/2013 | CN102443674B Silicon carbide pellet and purpose of pellet as temperature improving agent in converter smelting process |
| 08/13/2013 | CA2777167C Fastening system for tiltable metallurgical vessels |
| 08/13/2013 | CA2733474C Method of and smelter for producing steel with high manganese and low carbon content |
| 08/07/2013 | CN203112863U Bolt conveying gun used for sliding-type slag stopping bolt |
| 08/07/2013 | CN203112862U Sliding type first slag stopper for tapping of converter |
| 08/07/2013 | CN203112861U Alloy transportation device for converter |
| 08/07/2013 | CN203112860U Cooling water pipe device for trunnions of rotary furnace |
| 08/07/2013 | CN203112859U Evaporative cooling device for converter flues |
| 08/07/2013 | CN203112858U Bleeding oxygen reutilization device in metallurgical production |
| 08/07/2013 | CN103233092A Process for smelting steel special for corrosion-resistant heat exchanger |
| 08/07/2013 | CN102485919B Method for installing dummy shaft of converter connecting rod suspension system |
| 08/01/2013 | WO2013110993A1 Method for managing the charge in a melting furnace and corresponding loading apparatus |
| 07/31/2013 | EP2619519A2 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 |
| 07/31/2013 | EP2619336A1 Charging shaft system and method for filling |
| 07/31/2013 | EP2619335A1 Preheating apparatus for steel scrap and metallurgical melting vessel equipped therewith |
| 07/31/2013 | EP2619334A1 Operating method for utilizing the thermal waste heat for a plant in the basic materials industry |
| 07/31/2013 | CN203096115U AOD (argon oxygen decarburization) furnace and top and bottom combined blown converter interchanging device |
| 07/31/2013 | CN203096112U Water cooling movable carriage at preheating section of steelmaking electric furnace |
| 07/31/2013 | CN203096111U Locking device for bottom gas blowing and supply elements of steelmaking electric furnace |
| 07/31/2013 | CN203096110U Device for replacement of converter bottom blowing air-supply element |
| 07/31/2013 | CN203096109U Automatic replacement device for steel-making measuring probes |
| 07/31/2013 | CN203096108U Improved three-point spherical hinge connecting device capable of carrying out on-line changing |
| 07/31/2013 | CN102618795B Smelting process of nitrogenous high alloy heat-resistant steel ZG3Cr24Ni7N |
| 07/31/2013 | CN102559985B Method of smelting low-phosphorus steel through converter |
| 07/31/2013 | CN102534398B Ferroboron-containing alloy wear-resistant material and preparation method thereof |
| 07/31/2013 | CN102399929B Method for reducing cracks on surface of aluminum-deoxidized high-carbon steel casting blank |
| 07/31/2013 | CN102312038B Converter gas water-free explosionproof dedusting process and equipment |
| 07/31/2013 | CN102162068B Spring steel and manufacturing and thermal treatment method thereof |
| 07/31/2013 | CN102071357B Melting method of nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar |
| 07/31/2013 | CN101993974B Method for preparing pure iron with extremely low gas content |
| 07/30/2013 | US8496728 Metallurgical process and plant therefor |
| 07/25/2013 | WO2013108810A1 Method for preliminary treatment of molten iron |
| 07/25/2013 | WO2013108512A1 Converter gas recovery device and seal gas blowing operation method |
| 07/25/2013 | WO2013107195A1 Pulsed-gas based agitation device and method for metal melting pool |
| 07/24/2013 | EP2617503A2 Method for producing ferrous powder |
| 07/24/2013 | EP2616560A1 Apparatus and method for electromagnetic stirring in an electrical arc furnace |
| 07/24/2013 | CN203080008U Steel scrap smelting system |
| 07/24/2013 | CN203080007U Electric furnace wall oxygen lance mounting structure |
| 07/24/2013 | CN203080006U Slag-stopping ball putting device of converter |
| 07/24/2013 | CN203080005U Novel converter mouth cleaning machine |
| 07/24/2013 | CN203080004U Anti-dropping device of lifting dolly of oxygen lance |
| 07/24/2013 | CN203080003U Hanger special for steel cooling treatment at feeding port of converter |
| 07/24/2013 | CN203080002U Converter vacuum smelting device |
| 07/24/2013 | CN203080001U Blanking opening |
| 07/24/2013 | CN103215408A Method for converter steelmaking by adding steel slag blocks |
| 07/24/2013 | CN103215407A Method for cleaning dry slag of assistant muzzle by flame at converter mouth |
| 07/24/2013 | CN103215406A Low-carbon and ultralow sulfur steel smelting method |
| 07/24/2013 | CN103212700A Selection matching method for steel ladles of steel plant |
| 07/24/2013 | CN102586685B Smelting process of steel for high-titanium alloy welding wire |
| 07/24/2013 | CN102382929B Production technology of 37Mn5 steel |
| 07/24/2013 | CN102251073B Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof |
| 07/17/2013 | EP2614164A1 Method and plant for treating metallurgical slag |
| 07/17/2013 | CN203065508U Electric arc furnace for steelmaking |
| 07/17/2013 | CN203065507U Novel bulk material feeding pipe |
| 07/17/2013 | CN203065506U Temperature control and cooling control device for feeding system of continuous steelmaking electric furnace |
| 07/17/2013 | CN203065505U Sealing device for converter gas recovery negative-pressure gate valve |
| 07/17/2013 | CN203065504U Rotary joint of split connecting shaft type converter |
| 07/17/2013 | CN203065503U Split transitional disk type converter rotating joint |
| 07/17/2013 | CN203065502U Converter 128-side body slag stopper with grooves |
| 07/17/2013 | CN203065501U Gas cooler for converter gas dry dedusting |
| 07/17/2013 | CN203065500U Gas cooler for converter gas dry dedusting |
| 07/17/2013 | CN103209791A Method for producing ferrous powder |
| 07/17/2013 | CN103205529A Zero-power consumption steel-making method using electric-arc furnace |
| 07/17/2013 | CN103205528A Device and method for limiting oxygen lance of converter |
| 07/17/2013 | CN103205527A Device and method for controlling parking position of slag car of converter |
| 07/17/2013 | CN103205526A Pushing installation method for large converter |
| 07/17/2013 | CN103205525A Furnace protective pellet for vanadium extracting converter and manufacturing method thereof |
| 07/17/2013 | CN103205524A Method for smelting low-sulfur steel from semi-steel |
| 07/17/2013 | CN103205523A Novel technology for cooling through adopting stones in converter smelting |
| 07/17/2013 | CN103205522A Method for smelting plain carbon steel from semi-steel |
| 07/17/2013 | CN102527940B Casting process for upper pendulums and lower pendulums of light-rail steel cast supports |
| 07/17/2013 | CN102492801B Method for mounting spatial portal frame structure on top of tower of converter bay in steelshop |