| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
|---|
| 08/10/2011 | CN101713012B Method for increasing molybdenum yield in stainless steel smelting |
| 08/10/2011 | CN101551041B Integrated welding seam-free taper pipe |
| 08/09/2011 | US7993574 Board lined furnace with side immersion heating elements |
| 08/09/2011 | US7993428 Method for manufacturing molten iron |
| 08/04/2011 | WO2011091685A1 Preheating and conveying equipment for steel scrap |
| 08/04/2011 | US20110186184 Ferritic stainless steel casting and sheet and method for producing the same |
| 08/04/2011 | US20110185856 Ironmaking and Steelmaking |
| 08/03/2011 | CN201915112U 一种氧枪或副枪密封塞 An oxygen gun or sealing plugs sublance |
| 08/03/2011 | CN102140566A Method for improving cleanliness of low-carbon molten aluminum-killed steel |
| 08/03/2011 | CN102140564A Inflatable gas sealing ring for top-blown converter |
| 08/03/2011 | CN101792885B Hot-rolled round steel for high carbon manganese and chrome grinding ball and method for producing same |
| 07/28/2011 | WO2011089027A1 Method for foamed slag generation of a non-corrosive melt in a converter |
| 07/28/2011 | DE102010007119B3 Vakuumumlaufentgasungsanlage mit Zündbrenner Vakuumumlaufentgasungsanlage with pilot burner |
| 07/28/2011 | CA2787278A1 Method for foamed slag generation of a non-corrosive melt in a converter |
| 07/27/2011 | EP2346630A1 System for tracking system properties |
| 07/27/2011 | EP0755329B1 Method of protecting ladle linings |
| 07/27/2011 | CN201909988U Working condition prediction system for electric furnace smelting of ferroalloy |
| 07/27/2011 | CN201908106U Electric-furnace wall oxygen-lance seat with protecting cover |
| 07/27/2011 | CN201908105U Double-angle double-flow six-hole oxygen lance spray head |
| 07/27/2011 | CN201908104U Fixing device of counter weight jackscrew at converter bottom |
| 07/27/2011 | CN201908103U Cylindrical-converter steel-tapping hole brick |
| 07/27/2011 | CN201908102U Primary smoke dehydrating and dedusting device of converter |
| 07/27/2011 | CN201908101U Dephosphorization oxygen lance |
| 07/27/2011 | CN102137941A Method for controlling foamed slag in a stainless melt in an electric arc furnace |
| 07/27/2011 | CN102134627A Double-channel oxygen lance |
| 07/27/2011 | CN102134626A Converter flue gas waste heat recovering device and method for recovering flue gas waste heat by utilizing same |
| 07/27/2011 | CN101787496B Wear resistant cast steel and preparation method thereof |
| 07/27/2011 | CN101736123B Boron-containing alloy smelting process with high yield |
| 07/27/2011 | CN101713010B Method for reclaiming coal gas of converter through guidance of mathematical model |
| 07/27/2011 | CN101660098B Hot-rolling seamless steel pipe applicable to high temperature of 580-620 DEG C and high pressure of 24-30MPa and production method thereof |
| 07/27/2011 | CN101570807B Steel converter coal gas purification and waste heat recycling system |
| 07/26/2011 | CA2525559C Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 07/21/2011 | WO2011085843A1 Partially gas-cooled oxygen blowing lance |
| 07/21/2011 | DE102010004983A1 Verfahren zur Schaumschlackenerzeugung einer Rostfreischmelze in einem Konverter A process for producing a foamed slag steel melt in a converter |
| 07/20/2011 | CN201901684U Convertor |
| 07/20/2011 | CN201901683U Convertor adopting EPS (Electric Power Storage) power supply combining with asynchronous machine as convertor emergent transmission |
| 07/20/2011 | CN201901682U Rotating furnace |
| 07/20/2011 | CN102127706A High-strength long-fatigue life wheel steel used for heavy truck and manufacturing method thereof |
| 07/20/2011 | CN102127616A Method for comprehensively treating iron-containing dust by using electric arc furnace |
| 07/20/2011 | CN102127615A Method for smelting in reduction period of electric furnace steel making |
| 07/20/2011 | CN102127614A Control method for vanadium extraction by converter for removing vanadium and holding carbon |
| 07/20/2011 | CN102127613A Method for extracting vanadium through composite blowing of converter |
| 07/20/2011 | CN102127612A Slag adjusting and furnace protecting method for controlling rising of converter bottom and furnace wall slag deposition |
| 07/20/2011 | CN101798660B Method for refining, metamorphosing and casting cold roll steel by casting instead of forging |
| 07/20/2011 | CN101792889B Medium-carbon multi-alloying wear-resistant hot rolling round steel and production method thereof |
| 07/20/2011 | CN101787484B Low-silicon cold rolled precision strip steel for copper-lead bearing steel back and production method thereof |
| 07/20/2011 | CN101775459B Overhaul track of oxygen lance lifting bogie |
| 07/20/2011 | CN101760580B Manufacturing method of high-temperature resistant and creep-resistant cast steel |
| 07/20/2011 | CN101736122B Method for improving recovery rate of smelt nonmagnetic steel aluminum |
| 07/20/2011 | CN101691639B Alloy vessel plate production method thereof |
| 07/20/2011 | CN101649422B Niobium microalloyed hot rolled steel band and manufacturing method thereof |
| 07/20/2011 | CN101638707B Bidirectional steel and oxygen supplying method of converter steelmaking |
| 07/20/2011 | CN101586210B High strength enamel steel and producing technology and enamel firing technology thereof |
| 07/14/2011 | WO2011061261A3 Method and device for reducing the metallurgical power demand of closed electric smelting and/or reduction furnaces |
| 07/14/2011 | US20110169202 Furnace system |
| 07/14/2011 | DE102010004958A1 Spülstein Ein- und Ausbauwerkzeug Sink installation and removal tool |
| 07/13/2011 | EP2343386A1 Device for the installation and withdrawal of a porous plug |
| 07/13/2011 | CN201896180U Three-thick-plate-type reamer for steel outlet of converter |
| 07/13/2011 | CN101787409B One-time dedusting water purification system for steelmaking |
| 07/12/2011 | US7976774 Composite sparger |
| 07/07/2011 | WO2011081266A1 Slag discharge door apparatus for an electric furnace |
| 07/07/2011 | WO2010136029A3 Use of an altitude-compensating nozzle |
| 07/07/2011 | DE102010007126B3 Gasspüleinrichtung Gas purging |
| 07/06/2011 | EP2341160A1 Ferritic stainless steel and method for producing the same |
| 07/06/2011 | EP2341155A1 Lance head for a blowing lance comprising a ceramic nozzle insert |
| 07/06/2011 | EP1636390B1 Method for treating melt metals by means of a refining oxygen-based agent |
| 07/06/2011 | CN201890895U Oxygen lance hanger |
| 07/06/2011 | CN102115848A Low-carbon fatigue-resistant alloy steel and preparation process thereof |
| 07/06/2011 | CN102115802A Method for blowing fine mineral powder for converter steelmaking |
| 07/06/2011 | CN101831590B High-boron low-alloy high-speed steel roll and preparation method thereof |
| 07/06/2011 | CN101445678B Nonstick coating used on oxygen lance of steelmaking converter |
| 07/05/2011 | CA2506333C Gas supply system for a metallurgical furnace and operating method for said system |
| 06/30/2011 | WO2011077009A1 Metallurgical furnace |
| 06/30/2011 | US20110154946 Method for producing foamed slag |
| 06/30/2011 | DE102009060827A1 Lanzenkopf für eine Blaslanze mit einem keramischen Düseneinsatz Lance head of a lance with a ceramic nozzle insert |
| 06/30/2011 | DE102009060258A1 Steuerung des Konverterprozesses durch Abgassignale Control the converter process by exhaust signals |
| 06/30/2011 | DE102009060255A1 Verfahren zur indirekten Bestimmung der Abgasrate bei metallurgischen Prozessen Method for the indirect determination of the exhaust gas rate in metallurgical processes |
| 06/30/2011 | CA2785711A1 Control of the converter process by means of exhaust gas signals |
| 06/30/2011 | CA2783573A1 Metallurgical furnace |
| 06/29/2011 | CN201883106U Air-curtain slag damming device during tapping of molten steel of convertor |
| 06/29/2011 | CN201883105U Device for introducing waste heat of steel-making converter for power generation |
| 06/29/2011 | CN201883104U Trolley device for mounting steelmaking converter backing ring and converter housing |
| 06/29/2011 | CN102108468A Steel for railway locomotive axles and manufacturing method thereof |
| 06/29/2011 | CN102108430A Ultra-low-carbon steel slag modifier and addition method thereof |
| 06/29/2011 | CN102108429A Deoxidating and desulfurizating agent for converter steelmaking |
| 06/29/2011 | CN101696462B Method for producing low phosphorus steel by smelting semisteel |
| 06/29/2011 | CN101691644B Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 06/28/2011 | US7968048 Composite sparger |
| 06/28/2011 | US7968045 Installation for production of secondary steel based on scrap |
| 06/23/2011 | WO2011073760A1 Injection device and relative operative method |
| 06/23/2011 | WO2011073244A1 Electrode for direct current continuous arc furnace |
| 06/23/2011 | US20110148013 Sealing Plug for Tiltable Converters |
| 06/23/2011 | US20110146447 Method for Controlling Foamed Slag in a Stainless Melt in an Electronic Arc Furnace |
| 06/22/2011 | DE102009059998A1 Steel plant comprises a processing area for melting steel scrap, and a material supply area for collecting and loading steel scrap in which an electrical melting furnace and an electrical crucible furnace are arranged |
| 06/22/2011 | CN201873711U Vibrating conveyor |
| 06/22/2011 | CN201873710U Novel steel making furnace |
| 06/22/2011 | CN201873709U Oxygen lance and sublance combined type accurate positioning device for convertor steelmaking |
| 06/22/2011 | CN201873708U Novel bottom blowing joint of convertor |
| 06/22/2011 | CN101768698B Low cost yield strength 700MPA level non-tempering processing high strength steel plate and manufacturing method thereof |
| 06/22/2011 | CN101709352B Method for preventing water leakage of base of coherent oxygen lance of electric furnace and water cooling plate under base |