| 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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| 08/15/2012 | CN202380026U Campaign device of non-split type bottom of converter |
| 08/15/2012 | CN202380025U Waste probe recycling and detecting device of converter sublance |
| 08/15/2012 | CN202380024U Check valve device for spray repair of converter |
| 08/15/2012 | CN202380023U Cleaning device for converter sublance rail |
| 08/15/2012 | CN202380022U Sealed sublance scraper |
| 08/15/2012 | CN202380021U Novel slag stopping vehicle |
| 08/15/2012 | CN202380020U Device for driving observing door to be opened and closed through motor winch |
| 08/15/2012 | CN202380019U Flexible connection device for unloading system of converter |
| 08/15/2012 | CN202380018U Falling prevention device for oxygen lance |
| 08/15/2012 | CN202380017U Secondary dust removal system for converters |
| 08/15/2012 | CN202380016U Optimized control device for recycling coal gas of converter |
| 08/15/2012 | CN202380015U Converter tap hole maintenance structure |
| 08/15/2012 | CN102634717A Manufacturing method for steel ingot of axle steel |
| 08/15/2012 | CN102634641A Deoxidation method for converter tapping molten steel |
| 08/15/2012 | CN102634637A Operation technology for electric furnace converter |
| 08/15/2012 | CN102634636A Energy-saving water-cooling plate for electric furnace |
| 08/15/2012 | CN102634635A Energy-saving electric furnace |
| 08/15/2012 | CN102634634A Method for producing high-alloy low-phosphorous steel used for boiler tube by adopting electric-arc furnace |
| 08/15/2012 | CN102634633A Method for preventing materials at bottom of ultra-high power electric furnace from insufficiently melting |
| 08/15/2012 | CN102634632A System and method for detecting temperature of converter flame |
| 08/15/2012 | CN102634631A Converter and water-cooling furnace mouth thereof |
| 08/15/2012 | CN102634630A Modifier for slag splashing protection of converter and using method of the modifier |
| 08/15/2012 | CN102634629A Smelting process for producing low-carbon ultralow-phosphorus steel in converter |
| 08/15/2012 | CN102634628A Optimization method for producing low-oxygen steel by converter |
| 08/15/2012 | CN102634627A Control method of gas sampling and analyzing system |
| 08/15/2012 | CN102634626A Method for reducing lime consumption of revolving furnace |
| 08/15/2012 | CN102634624A Method for tapping and pouring hot metal at bottom from hot metal ladle |
| 08/15/2012 | CN101798613B On-line quick change method of three-point spherical support of large-size converter |
| 08/15/2012 | CN101775458B Method for controlling foreign impurities in first molten steel of rotating furnace after overhaul |
| 08/09/2012 | DE112009004415T5 Vorrichtung zum Einblasen von Gas in ein Gefäß An apparatus for injecting gas into a vessel |
| 08/08/2012 | CN202369603U Low nitrogen titanium iron core-spun yarn |
| 08/08/2012 | CN202369601U Automatic probe assembling/disassembling device |
| 08/08/2012 | CN102628147A High-sulfur alloy steel roll and production method |
| 08/08/2012 | CN102628094A Buried oxygen blowing and decarburization process for electric-arc furnace steelmaking and control method |
| 08/08/2012 | CN102061351B Method for producing low-carbon steel and ultra-low-carbon steel by VD, LF and VD processes |
| 08/08/2012 | CN102041345B Thermal infrared imager focusing method for monitoring converter tapping |
| 08/08/2012 | CN102010929B Combined protection brick for side blowing gun |
| 08/08/2012 | CN101833288B Material melting model-based power supply control method for arc furnace |
| 08/07/2012 | US8237010 Method of manufacturing a dressing |
| 08/07/2012 | CA2563899C Metallurgical processing installation |
| 08/02/2012 | WO2012038906A3 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 |
| 08/02/2012 | US20120193844 Ladle metallurgy furnace having improved roof |
| 08/02/2012 | US20120192678 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 08/02/2012 | US20120192677 Method and apparatus for making liquid iron and steel |
| 08/01/2012 | EP2482019A1 Burning lance holder for holding a burning lance by means of a handling device |
| 08/01/2012 | EP2482018A1 Slag discharge door apparatus for an electric furnace |
| 08/01/2012 | EP2480692A1 Exhaust processing and heat recovery system |
| 08/01/2012 | CN202359149U Molten iron feeding device for electric furnace |
| 08/01/2012 | CN202359148U Sublance system |
| 08/01/2012 | CN202359147U Double-drain-pipe type cyclone dehydrator |
| 08/01/2012 | CN202359146U Anti-loosening hydraulic joint |
| 08/01/2012 | CN202359145U Novel diffusion chimney for converter gas dry-method dust removing system |
| 08/01/2012 | CN202359144U Dust collector barrel of dry-method electrostatic dust collector for converter gas |
| 08/01/2012 | CN202359143U Nitrogen ejector of diffusion chimney for converter gas dry dedusting |
| 08/01/2012 | CN202359142U Primary smoke dry de-dusting system for vanadium extraction furnace |
| 08/01/2012 | CN202359141U Gas protection device for reducing nitrogen absorption of molten steel |
| 08/01/2012 | CN102618795A Smelting process of nitrogenous high alloy heat-resistant steel ZG3Cr24Ni7N |
| 08/01/2012 | CN102618781A Hot-rolled H-steel for low temperature-resistance structure and preparation method for hot-rolled H-steel |
| 08/01/2012 | CN102618693A Closed electric furnace body being continuously charged from eccentric steel tapping side top |
| 08/01/2012 | CN102618692A Purification and recovery plant realized by means of directly calcining lime by aid of primary high-temperature flue gas of converter |
| 08/01/2012 | CN102618691A Method for producing HRB 600 high-strength steel through micro-alloying |
| 08/01/2012 | CN102618690A Blowing dephosphorization and protection process for converter |
| 08/01/2012 | CN102618689A Process technology method for efficient and low-cost converter production of ultra-low phosphorus liquid steel |
| 08/01/2012 | CN102615639A Burning lance holder for holding a burning lance by means of a handling device |
| 08/01/2012 | CN102041347B Method for synchronizing combined blowing and furnace age of converter |
| 07/31/2012 | CA2487737C Tuyere cooling system |
| 07/31/2012 | CA2467310C Combined ironmaking and steelmaking plant |
| 07/27/2012 | DE202010017729U1 Vorrichtung zur Erfassung mindestens einer Messgröße an einem Ofen, sowie Ofen A device for detecting at least one measured quantity to an oven and oven |
| 07/25/2012 | CN202350922U Slag carry-over detection device for steel-smelting furnace |
| 07/25/2012 | CN202347046U Telescoping/traversing type converter sub-lance device |
| 07/25/2012 | CN202347045U Faulted oxygen lance lifting control system |
| 07/25/2012 | CN202347044U Main pipe pressure control device of converter bottom blowing system |
| 07/25/2012 | CN202347043U Retractable metal oxygen lance clamp-type device |
| 07/25/2012 | CN202347042U Air spray dust removal device |
| 07/25/2012 | CN102612632A Method and device for feeding into a smelting unit |
| 07/25/2012 | CN102605264A Method for preparing corrosion resistant die steel with ultrahigh ductility and high hardness |
| 07/25/2012 | CN102605142A Method of auto-setting calculation for proportional coefficient of electrode regulator of ladle refining furnace |
| 07/25/2012 | CN102605139A Digital electric arc furnace electrode control method and system based on network transmission |
| 07/25/2012 | CN102605138A Converter bottom seaming method |
| 07/25/2012 | CN102605137A Rotating furnace molten steel temperature measurement device |
| 07/25/2012 | CN102605136A Soft sealing device for converter mouth and fume hood |
| 07/25/2012 | CN102605135A Converter cone oxygen lance with surface coating |
| 07/25/2012 | CN102181600B Follow-up oxygen lance nitrogen seal device |
| 07/25/2012 | CN102061352B Air flow distribution plate at inlet of electrostatic dust collector |
| 07/25/2012 | CN101845584B Fresh-water corrosion resistant steel for U-shaped steel sheet pile and method for producing same |
| 07/19/2012 | WO2012095329A2 Method for treating a carbon dioxide-containing waste gas from an electrofusion process |
| 07/19/2012 | WO2012095282A1 Pouring spout changer having a dummy plate for a casting device for producing metallurgic products |
| 07/19/2012 | WO2012094707A1 Production of ferro-alloys |
| 07/19/2012 | DE102011008894A1 Verfahren und Düse zur Unterdrückung einer Entwicklung von eisenhaltigem Dampf Procedures and nozzle to suppress development of iron-containing vapor |
| 07/19/2012 | CA2822116A1 Pouring spout changer having a dummy plate for a casting device for producing metallurgic products |
| 07/18/2012 | CN202337794U 一种钢水吹氧用氧枪 Molten steel by blowing oxygen lance |
| 07/18/2012 | CN102591285A Universal automatic control system for AOD (Argon Oxygen Decarburization) and top-bottom combined blown furnace |
| 07/18/2012 | CN102586685A Smelting process of steel for high-titanium alloy welding wire |
| 07/18/2012 | CN102586673A Method for improving DWTT (drop weight tear test) index of X70 pipeline steel |
| 07/18/2012 | CN102586546A Process for preparing low-carbon low-silicon-aluminium killed steel |
| 07/18/2012 | CN102586541A Steelmaking method suitable for small power electric arc furnace |
| 07/18/2012 | CN102586540A Rotary hearth furnace hearth structure |
| 07/18/2012 | CN102586539A Primary dedusting system for rotating furnace |
| 07/18/2012 | CN102586538A Vanadium extraction coolant and preparation method thereof |
| 07/18/2012 | CN102586537A Vanadium extraction coolant and its preparation method |