Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
11/2005
11/08/2005CA2360306C Continuous charge preheating, melting, refining and casting
11/03/2005WO2005103306A2 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals
11/03/2005WO2005103305A1 Metallurgical processing installation
11/03/2005WO2005040433A3 Direct smelting plant and process
11/03/2005WO2005038372A3 Industrial furnace and associated jet element
11/03/2005WO2004074523A3 Elevated discharge gas lift bubble pump and furnace for use therewith
11/02/2005CN1690229A Highly clean steel and production method
11/02/2005CN1225314C Oxygen blowing apparatus, technology and application for smelting steel
11/01/2005CA2354498C Fluid cooled coherent jet lance
10/2005
10/26/2005EP1587962A1 An improved smelting process for the production of iron
10/26/2005CN1688721A Metallurgical vessel
10/20/2005WO2005098053A2 Method and installation for producing and increasing the annual production yield of large-scale steel products or high-quality steel products in a two-vessel installation
10/20/2005US20050230885 Lance for injecting particulate material into liquid metal
10/20/2005US20050229749 Injection of solids into liquids by means of a shrouded supersonic gas jet
10/20/2005US20050229748 Moving separate or separable containers containing a mixture of iron oxide and carbonaceous material through the furnace zone to the discharge end; preheating; reducing; melting and fusing iron and slag formed; discharging from containers, and returning empty containers to the charging end of the furnace
10/20/2005US20050229743 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals
10/19/2005EP1586666A1 Method of valorizing a steel slag
10/19/2005EP1585950A1 A process for keeping a tuyere passing through a metallurgical vessel free of a skull
10/19/2005EP1114192B1 A process and an apparatus for producing metals and metal alloys
10/18/2005CA2379378C Molten metal ladle transport arrangement
10/13/2005US20050225014 Filter extraction mechanism
10/13/2005US20050223850 For ladle refinement of steel to be directly cast into thin steel strip in a continuous strip caster; includes a computer executing a number of software algorithms for determining one or more parameters
10/12/2005CN2732754Y Water cooled furnace wall for steel making furnace
10/12/2005CN2732753Y Porous brick of steel ladle
10/12/2005CN1222629C Method for producing stainless steels
10/11/2005US6953337 Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnace
10/11/2005CA2210778C Sliding gate valve for a vessel containing molten metal
10/06/2005WO2005093106A1 Method for dephosphorization of hot metal
10/06/2005US20050218569 Cooling plate for metallurgic furnaces
10/06/2005US20050218568 Injection device and process for the injection of a fluid
10/06/2005US20050217423 Furnace residue cleaning method
10/05/2005EP1497472B1 Injection of solids into liquids by means of a shrouded supersonic gas jet
10/05/2005EP1295512B1 Induction furnace used in steelmaking
10/05/2005CN1676653A Anticorrosion, wear-resistant plastic die steel 4Cr16Mo and its mirror large-die-block preparing and producing method
10/05/2005CN1676622A Steel-smelting converter slag line dry subsidizing method
10/05/2005CN1676621A Suboxide steel production method
10/04/2005US6951296 Method and device for preventing slag from flowing along when tapping a molten metal
09/2005
09/29/2005WO2005090711A1 Method of building a direct smelting plant
09/29/2005WO2005090613A1 Direct smelting plant
09/29/2005US20050211020 Ferronickel and process for producing raw material for ferronickel smelting
09/29/2005CA2558967A1 Direct smelting plant
09/28/2005EP1238118B1 Martensitic stainless steel and steelmaking process
09/28/2005CN2729084Y Converter water-cooling sealing joint
09/28/2005CN2729083Y Converter support ring
09/28/2005CN2729082Y Converter support ring of water cooling
09/28/2005CN2729081Y Converter support ring with bosh air cooling
09/28/2005CN1675392A Refining ferroalloys
09/28/2005CN1675383A Method and apparatus for decarburization of molten steel
09/28/2005CN1675382A Cooling plate for metallurgic furnaces
09/28/2005CN1220653C Manufacture method of functional refractory for steelmaking
09/22/2005WO2004050939A3 Plasma-assisted melting
09/22/2005DE10253712B4 Feuerfester Reparaturmassenversatz und Verfahren zu seiner Herstellung Refractory repair mass displacement and method for its manufacture
09/20/2005US6946014 transformation into hydraulic binder equivalent to Portland Cements via
09/15/2005WO2005085735A1 Device for intake, processing and offtake of gases in an arc furnance
09/15/2005DE19832701B4 Verfahren zur Erzeugung von Stahl A process for the production of steel
09/14/2005EP1573073A1 Vessel for the metallurgical treatment of pig iron, steel melts and similar, in particular a converter vessel
09/14/2005EP1572398A1 Gas flushing device for metallurgical melting pots
09/14/2005EP1572396A2 Tightening device for a refractory plate of a sliding closure on the spout of a vessel for molten metal
09/14/2005EP1098997B1 A direct smelting process
09/14/2005CN2725307Y Homogeneous slag retaining ball
09/14/2005CN1668920A Method for online measurement of molten phases
09/14/2005CN1668885A Cooling element
09/14/2005CN1667153A Tin calcium titanium series free-cutting steel
09/14/2005CN1667129A Method for producing sulfur free cutting and non-hardened and tempered steel
09/14/2005CN1219099C Production process of aluminium-containing steel
09/14/2005CN1219079C Homogeneous slag blocking ball and its producing method
09/09/2005WO2005083130A1 Direct smelting plant and process
09/07/2005CN1664121A Electric steelmaking process by blowing CO2 gas
09/07/2005CN1664120A Process for preparing slag by pelletization of steel-making dust slime
09/07/2005CN1664119A Slag from aluminum smelting for making clean steel and method for preparing same
09/07/2005CN1664118A Converter steelmaking process by blowing CO2 gas
09/07/2005CN1218053C Technology for making combined tapping hole
09/01/2005WO2005080611A1 Suction hood for a liquid metal ladle and suction method
09/01/2005DE29924757U1 Device for spraying fuel, preferably natural gas, and/or oxygen into an arc furnace has feed pipes for the natural gas and oxygen with various chambers and supports
08/2005
08/31/2005EP1568789A1 Dust collector for metallurgical ladle and dust collection process
08/31/2005EP1567680A2 Method and apparatus for optimized mixing in a common hearth in plasma furnace
08/31/2005CN2721649Y Oxygen lance of electric converter
08/31/2005CN1661119A Converter oxygen blowing method and upward blowing lance for converter oxygen
08/31/2005CN1217017C Method for receiving metallic chromium from slag contg. chromium oxide
08/31/2005CN1217015C Stable furnace shutting down process
08/31/2005CN1217014C Direct smelting process
08/25/2005WO2005078368A1 Apparatus for holding and anchoring refractory concrete type linings
08/24/2005CN1658987A Injection device and process for the injection of a fluid
08/24/2005CN1216267C Converter slag line dry commissioning and supplementing method
08/24/2005CN1216157C Oxygen lance having high temperature coating
08/24/2005CN1216156C Method and device for producing molten iron
08/23/2005US6932854 Method for producing low carbon steel
08/18/2005US20050179174 Plant for use in continuous steelmaking process
08/17/2005EP1497471B1 Lance for injecting particulate material into liquid metal
08/17/2005CN2717970Y Slag plug for pushing off the slag for converter steel tapping
08/17/2005CN2717969Y Pulling unit for tuyere refractory brick used for revolving furnace reblowing
08/17/2005CN1654687A Refining material for reductive steel refining and granulation method thereof
08/17/2005CN1215181C Top oxygen gun blowing technology for electric furnace steel making
08/11/2005WO2005073412A1 Ironmaking and steelmaking
08/11/2005US20050172758 Steel refining material for reductive steel refining and granulation method thereof
08/11/2005US20050172666 Reducing power consumption for electric treatment of a gas mixture, e.g., a compressor for air separation; avoiding shut-down by storing fluid, liquid and/or gas, in a storage tank when the cost of electricity is below a second level; supplying the customer when the cost is above the first level
08/11/2005DE102004004037A1 Process for increasing the service life of a refractory lining of a top blowing converter comprises emptying a large part of the slag into slag trays after tapping off, enriching with limestone, cooling and emptying the slag residue
08/11/2005CA2554805A1 Ironmaking and steelmaking
08/10/2005EP1561828A1 Refining material for reductive steel refining and granulation method thereof
08/10/2005EP1560937A1 Method and device for cooling blowing lances
1 ... 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 ... 144