| 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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| 05/25/2011 | CN101643828B Production method of anti-aging tinning black plate |
| 05/25/2011 | CN101294771B Inducing swirl in a gas flow |
| 05/24/2011 | US7947217 Metallurgical processing installation |
| 05/19/2011 | WO2011059790A1 Polyester surfactants for deinking |
| 05/19/2011 | US20110114292 Heat exchanger |
| 05/19/2011 | DE10103940B4 Vorrichtung zum Einspeisen von Gas in einen Kessel An apparatus for injecting gas into a vessel |
| 05/19/2011 | CA2780124A1 Polyester surfactants for deinking |
| 05/18/2011 | EP2322671A1 Prediction system for the graphitization index in specific areas of vermicular graphitic cast iron pieces |
| 05/18/2011 | EP2321602A1 Continuous scrap supply into an electric arc furnace (eaf) |
| 05/18/2011 | EP2321439A1 Method for processing solid or molten materials |
| 05/18/2011 | EP2321435A1 Recarburisation method |
| 05/18/2011 | CN201834937U Device for recovering residual heat of coal gas of high-temperature converter |
| 05/18/2011 | CN201834936U Ladle for steel furnace |
| 05/18/2011 | CN1965093B Heat exchanger system |
| 05/18/2011 | CN102061427A Production method of HRBF500E high-performance shock-resistant reinforcing steel bar |
| 05/18/2011 | CN102061424A Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof |
| 05/18/2011 | CN102061356A Method for producing foamed slag on high-chromium melts in an electric furnace |
| 05/18/2011 | CN102061355A Converter tilting control device and method |
| 05/18/2011 | CN102061354A Water-cooling furnace opening structure of converter |
| 05/18/2011 | CN102061353A Method for optimizing runtime value of steel-making closed-loop circulating water buffer tank |
| 05/18/2011 | CN102061352A Air flow distribution plate at inlet of electrostatic dust collector |
| 05/18/2011 | CN102061351A Method for producing low-carbon steel and ultra-low-carbon steel by VD, LF and VD processes |
| 05/18/2011 | CN101768652B Revolving furnace flue gas waste heat power generation system and method based on high-temperature heat carrier overheating |
| 05/18/2011 | CN101748335B Nickel-free grate material for sintering machine and manufacturing method thereof |
| 05/18/2011 | CN101736202B Sulphuric acid dew point corrosion resisting steel and method for producing same |
| 05/18/2011 | CN101603114B Process for applying natural gas to deoxidation and recarburization in arc furnace |
| 05/18/2011 | CN101550475B Method for producing ultra-low-carbon steel |
| 05/17/2011 | US7942950 Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method |
| 05/17/2011 | CA2563035C Heat exchanger system used in steel making |
| 05/12/2011 | US20110109023 Cleaner equipment for the smelt spouts of a recovery boiler |
| 05/12/2011 | US20110107873 Method of degassing molten metal |
| 05/12/2011 | DE102010027323A1 Metallurgische Anlage Metallurgical plant |
| 05/11/2011 | CN201828156U Oxygen gun nozzle for steel refining furnace with water cooling structure |
| 05/11/2011 | CN201823894U Stream inoculation device for electric furnace |
| 05/11/2011 | CN102051531A High boron content austenite stainless steel and preparation method thereof |
| 05/11/2011 | CN102051439A Method for smelting high aluminium steel |
| 05/11/2011 | CN102051438A Slag scraping and early warning protection system for oxygen lance |
| 05/11/2011 | CN102051437A Air-supplying device for revolving furnace |
| 05/11/2011 | CN102051436A System and method for generating electricity by using secondary recycling of steel-making converter gas |
| 05/11/2011 | CN102051435A Method for smelting low-carbon aluminium-killed steel and method for continuously casting low-carbon aluminium-killed steel |
| 05/11/2011 | CN102051434A Method for smelting silicon steel |
| 05/11/2011 | CN102051433A Converter installation method by controlling lifting of four hydraulic jacks |
| 05/11/2011 | CN102049523A Free-cutting water-atomized steel powder and preparation method thereof |
| 05/11/2011 | CN101705327B Production technology of steel used for pipe line steel electrode |
| 05/11/2011 | CN101522921B Method for operating a converter |
| 05/05/2011 | WO2011051792A1 System for predicting the percentage of graphitization in specific areas of pieces of vermicular graphite cast iron |
| 05/04/2011 | EP2315860A2 Torque support for a converter tilting drive |
| 05/04/2011 | EP2315859A1 Seal plug for a tiltable converter |
| 05/04/2011 | CN201817512U Inner nozzle brick for converter tap hole slide gate |
| 05/04/2011 | CN201817511U Converter furnace body and backing ring horizontal supporting connection device |
| 05/04/2011 | CN201817510U Converter coal gas dry-method dedusting system |
| 05/04/2011 | CN201817509U Converter coal gas dry-method dedusting system |
| 05/04/2011 | CN201817508U Dry-method dust palletizing system for converter coal gas |
| 05/04/2011 | CN102046818A Process for producing a foamed slag on austenitic stainless melts in an electric arc furnace |
| 05/04/2011 | CN102041458A Low-alloy abrasion-resistant steel and manufacturing method thereof |
| 05/04/2011 | CN102041457A Austenitic stainless steel |
| 05/04/2011 | CN102041455A Stainless steel for heat exchanger welded pipe and manufacturing method thereof |
| 05/04/2011 | CN102041356A Fluorine-free high-efficiency compound slagging charging material and production method thereof |
| 05/04/2011 | CN102041349A Method for smelting steel by adopting induction furnace |
| 05/04/2011 | CN102041348A Semi-industrial test method for carrying out oxygen enrichment top-blown iron making by smelting reduction by using converter |
| 05/04/2011 | CN102041347A Method for synchronizing combined blowing and furnace age of converter |
| 05/04/2011 | CN102041346A Method for automatic bottom blowing control of converter |
| 05/04/2011 | CN102041345A Thermal infrared imager focusing method for monitoring converter tapping |
| 05/04/2011 | CN102041344A Method for smelting bearing steel |
| 05/04/2011 | CN102041343A Method for reducing DO (dissolved oxygen) content of steel |
| 05/04/2011 | CN101775488B Method for conveying thermal-state rotary furnace metallized pellets in anharmonic vibration mode |
| 05/04/2011 | CN101748334B High hardness cast boron-containing low alloy wear-resistant high-speed steel and preparation method thereof |
| 05/04/2011 | CN101660097B Wear-resisting alloy steel with high boron, high chrome and low carbon and preparation method thereof |
| 05/04/2011 | CN101323890B Converter oxygen lance anti-fall device and control method |
| 05/03/2011 | US7935302 Automatic dross processing system |
| 05/03/2011 | US7935172 Ironmaking and steelmaking |
| 04/28/2011 | WO2011049240A1 Top lance for refining and method for refining molten iron using same |
| 04/28/2011 | WO2011047846A1 Device for taking slag samples |
| 04/28/2011 | US20110094340 Combustion of co and combustibles in steel furnace offgases |
| 04/28/2011 | US20110094336 Method for producing a steel melt containing up to 30% manganese |
| 04/27/2011 | EP2313179A1 Combustion of co and combustibles in steel furnace offgases |
| 04/27/2011 | CN201809388U Electric furnace cover |
| 04/27/2011 | CN201809387U Electric furnace cover |
| 04/27/2011 | CN201809386U Lid of steel-making electric furnace |
| 04/27/2011 | CN201809385U Steel-making electric furnace cover |
| 04/27/2011 | CN201809384U Steel tapping mechanism of electric steelmaking furnace |
| 04/27/2011 | CN201809383U Self-propelled steel-tapping hole repairing vehicle |
| 04/27/2011 | CN201809382U Dual-encoder-based oxygen lance positioning system |
| 04/27/2011 | CN201809381U Conical steel tapping hole of converter |
| 04/27/2011 | CN201809380U Metal hose for transferring oxygen of using converter oxygen lance |
| 04/27/2011 | CN201809379U Converter oxygen lance safe ascending and descending structure |
| 04/27/2011 | CN201809378U Gas recovering and switching valve station |
| 04/27/2011 | CN201809377U Dust removing device for dry dedusting devaporizer of decarbonization converter |
| 04/27/2011 | CN201809376U Oxygen lance muzzle smoke dust collector for converter |
| 04/27/2011 | CN201809375U Device for releasing propagation pressure from dry-method dust-removing process pipeline for converter gas |
| 04/27/2011 | CN201809374U Device for recycling converter coal gas generated from low-concentration carbon monoxide (CO) burner gas of converter |
| 04/27/2011 | CN102037146A Burner/injector panel apparatus |
| 04/27/2011 | CN102032793A Spray gun positioning control method |
| 04/27/2011 | CN102031447A Boron-containing high carbon steel wire rod for manufacturing wires and production method thereof |
| 04/27/2011 | CN102031333A Converter accident tilting control system |
| 04/27/2011 | CN102031332A Furnace tilting control method of revolving furnace |
| 04/27/2011 | CN102031331A Method for building converter bottom |
| 04/27/2011 | CN102031330A Anti-falling device of oxygen lance |
| 04/27/2011 | CN102031329A Deoxidation and restoration method for smelting stainless steel in converter |
| 04/27/2011 | CN102031328A Loading method of converter |