| 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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| 11/24/2010 | CN201653152U Converter shooter water distributor |
| 11/24/2010 | CN201648444U Back-extraction device for converter bottom blowing air brick |
| 11/24/2010 | CN201648443U Novel buggy ladle and slag car accident connection device |
| 11/24/2010 | CN201648442U Slag stopper |
| 11/24/2010 | CN201648441U Ball-jointed suspending plate type device for connecting backing ring and furnace shell of revolving furnace |
| 11/24/2010 | CN201648440U Oxygen lance spray nozzle for converter |
| 11/24/2010 | CN201648439U Dual-linkage ball journal connection mechanism |
| 11/24/2010 | CN201648438U Tipping device for rotary furnace drum slag treatment |
| 11/24/2010 | CN201648437U Converter repair combined device |
| 11/24/2010 | CN201648436U Slag blocking hammer for converter |
| 11/24/2010 | CN201648435U Slag remover of converter |
| 11/24/2010 | CN201648434U Alloy vibration feeding device for rotary furnaces |
| 11/24/2010 | CN201648433U Inner cone for annular space washer |
| 11/24/2010 | CN201648432U Automatic control device for recovering converter gas |
| 11/24/2010 | CN201644769U Placing device special for converter can |
| 11/24/2010 | CN1782099B Apparatus for injecting gas into a vessel |
| 11/24/2010 | CN101896625A Method for producing a steel melt containing up to 30% of manganese |
| 11/24/2010 | CN101892352A Arc furnace deep dephosphorization technology and deep dephosphorization agent thereof |
| 11/24/2010 | CN101892346A Layout structure in converter steelmaking bidirectional steel supply system and method for arranging steel ladles and slag ladles |
| 11/24/2010 | CN101892345A Converter coal gas dry-method dedusting system and using method thereof |
| 11/24/2010 | CN101892344A Dry dedusting system for converter gas and using method thereof |
| 11/24/2010 | CN101892343A Converter gas dry-dedusting system and using method thereof |
| 11/24/2010 | CN101892342A Slagging method for converter |
| 11/24/2010 | CN101240397B Converter-RH-LF-continuous casting technique for producing pipe line steel |
| 11/18/2010 | WO2010131742A1 Electric furnace steel-making process |
| 11/18/2010 | WO2010131740A1 Method for manufacturing molten iron |
| 11/17/2010 | EP2250456A1 Metallurgical process and plant herefor |
| 11/17/2010 | CN201634712U Beam concentration jet-flow gun |
| 11/17/2010 | CN201634711U Electric arc furnace top oxygen blowing gun |
| 11/17/2010 | CN201634710U Two-section-combined oxygen lance nozzle |
| 11/17/2010 | CN201634709U Coverter gas one-step dedusting fan anti-bonding device |
| 11/17/2010 | CN201634708U Converter smoke cooling device |
| 11/17/2010 | CN201634707U Recovery of waste heat and bag dust-removal system |
| 11/17/2010 | CN201634706U Indirect smoke temperature adjustor |
| 11/17/2010 | CN101886218A Steel making method of J55-grade 37Mn5 oil casing pipe |
| 11/17/2010 | CN101886155A Electric precipitation spark control method for coal gas of rotating furnace |
| 11/17/2010 | CN101884945A Hammer head for crusher and processing method thereof |
| 11/17/2010 | CN101413091B Novel easy-to-cut stainless steel 303B and manufacturing method thereof |
| 11/17/2010 | CN101349503B Electric stove for smelting titanium slag |
| 11/17/2010 | CN101348843B Method for producing hot rolled steel strip for automotive frame |
| 11/17/2010 | CN101121992B Method for producing strong annealed steel hot-rolled sheet coil |
| 11/11/2010 | WO2010127869A1 Process for slag foaming a non-stainless steel melt in an electric arc furnace |
| 11/11/2010 | US20100282021 Combined burner and lance apparatus for electric arc furnaces |
| 11/11/2010 | DE102009020494A1 Verfahren zum Schlackeschäumen einer Nichtrostfrei-Stahlschmelze in einem Elektrolichtbogenofen A method of slag foaming a stainless-steel melt in an electric arc furnace |
| 11/11/2010 | DE102009019568A1 Messlanzenvorrichtung für eine zur Vakuumbehandlung in einem Entgasungsgefäß befindlichen Metallschmelze Measuring Lance device for a situated for the vacuum treatment in a molten metal degassing vessel |
| 11/10/2010 | EP2248917A1 Measuring lance device for a metal melt in a gas removal container for vacuum processing |
| 11/10/2010 | EP2247760A1 Control method for melting a metal charge and weighing device used in said method |
| 11/10/2010 | CN101880824A Q345q-series super-thick bridge steel plate and production method thereof |
| 11/10/2010 | CN101880745A Oxygen gun water-cooling protective sleeve and method thereof |
| 11/10/2010 | CN101880744A Decarburization converter exhaust gas treatment method utilizing dry-method dust-removing process for electric precipitation without explosion release |
| 11/10/2010 | CN101880743A Technology for performing manganese ore alloying by converter less-slag melting |
| 11/10/2010 | CN101392307B Environmental friendly energy-saving electric furnace direct steel-making method and device thereof |
| 11/10/2010 | CN101338402B Method for manufacturing copper-containing ferrite antimicrobial stainless steel belt |
| 11/10/2010 | CN101285110B Sublance trolley anti-falling mechanism |
| 11/10/2010 | CN101056995B Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter |
| 11/09/2010 | US7828873 use to smelt an iron containing feed material to produce molten iron in accordance with the HIsmelt process, direct smelting of iron ore |
| 11/04/2010 | WO2010094464A3 Temperature measuring device |
| 11/03/2010 | CN201620176U Novel middle-small-sized electric furnace energy-saving steel making device |
| 11/03/2010 | CN201620175U Converter sublance cart anti-falling device |
| 11/03/2010 | CN201620174U Y-shaped oxygen lance slag separator |
| 11/03/2010 | CN201620173U Device for monitoring and controlling recovery of coal gas of convertor |
| 11/03/2010 | CN101876033A Low-temperature high-toughness ship plate steel and production method thereof |
| 11/03/2010 | CN101876024A Production method for high-chrome continuous cast billet containing N duplex stainless steel of pipe blank |
| 11/03/2010 | CN101875993A System for removing dust from converter gas by dry method and using method thereof |
| 11/03/2010 | CN101875992A Device and method for removing dust from converter smoke by dry method and recycling waste heat |
| 11/03/2010 | CN101487071B Method for regenerating metal furnace cinder composite mushroom and shimming permeable furnace bottom |
| 11/03/2010 | CN101376915B Method for smelting high-alumina non-magnetic steel |
| 10/28/2010 | WO2009120858A8 Burner/injector panel apparatus |
| 10/27/2010 | EP2242862A2 Method for producing a steel melt containing up to 30% of manganese |
| 10/27/2010 | EP2242860A2 Process for preparing a foaming slag former, product and use thereof |
| 10/27/2010 | CN101874121A Method and apparatus for treating high-temperature slag |
| 10/27/2010 | CN101871369A Overheating turbine generating system for recovering sensible heat of converter gas |
| 10/27/2010 | CN101871081A Steel for low-steel-grade continuous oil pipe and manufacturing method thereof |
| 10/27/2010 | CN101871080A Sleeve for thick oil thermal production well and production method |
| 10/27/2010 | CN101871079A Copper-bearing ferritic antibacterial stainless steel and manufacturing method thereof |
| 10/27/2010 | CN101871033A Method for making foamed slag by utilizing gas ash |
| 10/27/2010 | CN101549364B Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use |
| 10/27/2010 | CN101543838B Method for manufacturing steel wire rod for pipe line steel submerged arc welding wire |
| 10/27/2010 | CN101457273B Method for producing steel for small square billet continuous casting high titanium alloy bonding wire |
| 10/27/2010 | CN101336302B Conveying system, combined system, and method for coupling metallurgical processes |
| 10/27/2010 | CN101319257B Bottom blowing ventilating structure of combined-blowing revolving furnace |
| 10/26/2010 | US7819940 based on liquid pig iron and FeCr solids, invention proposes the use of the AOD (Argon Oxygen Decarburization) process in which oxygen and inert gas together are blown into bath through nozzles and top-blown onto surface of bath by blowing lance; minimizes chromium losses |
| 10/20/2010 | CN201611221U 电炉炼钢喷枪保护铜水箱 EAF protect the copper tank gun |
| 10/20/2010 | CN101864543A Ball for air swept mill and processing method thereof |
| 10/20/2010 | CN101864534A Soft tin plate produced by using continuous annealing mode |
| 10/20/2010 | CN101864509A Frame lifting type bottom-opening trough |
| 10/20/2010 | CN101864508A Steel making method of convertor with small slag quantity |
| 10/20/2010 | CN101864507A Converter waste heat generating system |
| 10/20/2010 | CN101413043B Steel-smelting regulator and preparation thereof |
| 10/19/2010 | US7815845 Method of degassing molten metal |
| 10/19/2010 | CA2419508C A gas injection lance |
| 10/19/2010 | CA2341009C Direct smelting plant |
| 10/13/2010 | EP2238805A1 Method for determining a radiation measurement for thermal radiation, arc furnace, a signal processing device, programme code and storage medium for carrying out said method |
| 10/13/2010 | CN101857942A Hot rolled steel plate with 590MPa-level tensile strength and production method thereof |
| 10/13/2010 | CN101857911A Method for steelmaking by using converter |
| 10/13/2010 | CN101603146B Automobile spoke steel and smelting process |
| 10/13/2010 | CN101314805B High-efficiency dephosphorization smelting method for medium phosphor hot metal revolving furnace |
| 10/13/2010 | CN101205566B Movable hood mechanical seal for converter vapourization cooling system |
| 10/13/2010 | CN101117651B Converting process for converter low-silicon molten iron |
| 10/13/2010 | CN101016576B Method and device of detecting slag state of oxygen top-blown converter based on oxygen gun vibration |