Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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03/26/1985 | US4507149 Rare earth compounds reacted with hydrogen sulfide |
03/26/1985 | CA1184385A1 Desulfurization mixture and process for making it |
03/26/1985 | CA1184384A1 Process for making agents for desulfurizing crude iron or steel melts |
03/20/1985 | EP0134351A1 Recovery of vanadium oxide |
03/19/1985 | US4505747 Stabilizing inoculent for gray iron |
03/19/1985 | CA1184040A1 Method of and tiltable ladle for the treatment of cast iron melt |
02/19/1985 | US4500352 Production of cast iron |
02/05/1985 | US4497661 Coke, coal, magnesia, and polymeric crosslinked reaction product |
01/30/1985 | EP0132368A1 Pouring tank transfer assembly |
01/29/1985 | US4496393 For introducing magnesium into metal melt |
01/16/1985 | EP0131271A1 Agent for treating cast iron, and method for its production |
01/16/1985 | EP0131092A2 Process for producing vermicular graphite cast iron |
01/15/1985 | US4493359 Method for making cast iron engine blocks and the like |
12/12/1984 | EP0128131A1 Sulphur removing method during pig iron melting |
12/06/1984 | WO1984004760A1 Tough, wear- and abrasion-resistant, high chromium hypereutectic white iron |
12/05/1984 | EP0126847A1 Ceramic filter |
11/27/1984 | US4484731 Method and apparatus for continuously treating molten metal |
11/14/1984 | EP0124890A1 Process and installation for producing steel |
11/06/1984 | US4481032 Feeding wire through refractory lance |
10/16/1984 | CA1176060A1 Method for adding unalloyed magnesium metal to molten cast iron |
10/09/1984 | US4475956 Casting iron alloy containing silicon, carbon, manganese, and nickel, forming graphite nodules upon solidification, and heat treatment |
09/26/1984 | EP0119937A1 Supersonic oxygen-injection lance for the decarburisation of pig iron, in particular chromium-containing pig iron |
09/25/1984 | US4473398 Method for desulfurizing a molten iron by injection |
09/25/1984 | CA1174830A1 Apparatus for treating molten cast iron |
09/18/1984 | US4472197 Silicon, rare earth, magnesium, iron, carbon |
09/04/1984 | US4469511 Removing phosphorus from iron |
08/22/1984 | EP0116221A1 Apparatus for and method of desulfurizing and heating molten metal |
08/16/1984 | WO1984003056A1 Porous ceramic filter body and manufacturing method thereof |
08/07/1984 | US4464198 Cast iron nodularization |
08/01/1984 | EP0114376A1 Process for limiting interactions between liquid metal and atmosphere |
07/31/1984 | CA1171663A1 Desulphurising agent |
07/03/1984 | US4457778 Desiliconization, dephosphorization, decarburization |
07/03/1984 | US4457775 Magnesium oxide as dispersant |
06/26/1984 | US4456477 Production of ultra-low phosphorus steel |
06/20/1984 | EP0110904A1 Device for casting, particularly converter for casting and/or post-treating molten metal. |
06/13/1984 | EP0110508A1 Method for desulfurizing a molten iron by injection |
06/13/1984 | EP0041953B1 Production of vermicular graphite cast iron |
06/12/1984 | CA1168876A1 Powdery desulfurizer composition |
06/12/1984 | CA1168875A1 Powdery desulfurizer composition |
05/29/1984 | CA1168040A1 Technique for conserving hot metal temperature |
05/23/1984 | EP0109153A1 Calcium oxide based flux compositions |
05/22/1984 | US4450004 Dephosphorization and desulfurization method for molten iron alloy containing chromium |
05/08/1984 | US4447046 Apparatus for adding strongly reacting materials into a melt |
04/24/1984 | CA1166018A1 Steelmaking process with separate refining steps |
04/04/1984 | EP0104841A1 Removing phosphorous from iron |
04/04/1984 | EP0104392A1 Method of producing nodular iron and a machine for the implementation thereof |
03/21/1984 | EP0103313A1 Transportable vessel for molten iron |
03/13/1984 | US4436142 Method and apparatus for making ductile iron castings |
02/28/1984 | CA1162746A1 Method for the addition of a reactive metal to a molten metal bath |
02/22/1984 | EP0100869A1 Method of lowering the titanium and aluminium content of block iron |
02/21/1984 | US4432793 Ferroalloy for the treatment of cast metals and process |
02/21/1984 | US4432536 Molten iron containing vessel with improved refractory lining |
02/14/1984 | US4431444 Adding fine fluorspar; antideposit and-sticking agents |
02/07/1984 | US4430123 Iron melt sulfur determination, rare earth metal or calcium, fluxes |
02/07/1984 | US4430118 Calcium carbide, calcium carbonate, carbon, iron melts, flotation, air sifting |
02/07/1984 | CA1161650A1 Desulphurising agent |
01/10/1984 | US4424957 Hot metal car heat retention shield |
01/10/1984 | US4424956 Drapable, consumable, heat retention shield for hot metal cars |
12/22/1983 | WO1983004419A1 Device for casting, particularly converter for casting and/or post-treating molten metal |
12/20/1983 | US4421551 Melt of alkali metal chloride |
12/13/1983 | US4420333 Powdery desulfurizer composition |
11/30/1983 | EP0029038B1 Product for the desulphurization of cast irons and steels |
11/22/1983 | CA1157277A1 Production of vermicular graphite cast iron |
11/15/1983 | US4415362 Nodular iron making and/or storing |
11/15/1983 | US4415359 Multi-step steelmaking refining method |
11/15/1983 | US4415358 Method of desulfurizing a ferrous melt |
11/10/1983 | WO1983003848A1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron |
11/08/1983 | US4414027 Method for obtaining iron-based alloys allowing in particular their mechanical properties to be improved by the use of lanthanum, and iron-based alloys obtained by the said method |
11/08/1983 | US4414025 Process for addition of silicon to iron |
11/01/1983 | US4412578 Apparatus for treating molten cast iron |
10/25/1983 | US4411696 Steelmaking process with separate refining steps |
10/25/1983 | CA1155688A1 Master alloys containing lanthanum |
10/19/1983 | EP0091696A1 Drapable, consumable, heat retention shield for hot metal cars |
10/11/1983 | US4409028 Carbon dioxide and a nodularizer to control graphite content |
10/05/1983 | EP0090654A2 Alloy and process for producing ductile and compacted graphite cast irons |
10/05/1983 | EP0090653A2 Processes for producing and casting ductile and compacted graphite cast irons |
10/04/1983 | CA1154596A1 Desulfurizing agent and process for its manufacture |
08/24/1983 | EP0086549A1 Apparatus and process for the treatment of molten metal |
08/23/1983 | US4400292 Process for making agents for desulfurizing crude iron or steel melts |
08/23/1983 | CA1152335A1 Desulphurisation of ferrous melts |
08/17/1983 | EP0086003A1 Method of operating a mixer type hot metal car for the transport of molten iron and a device for carrying out the method |
08/16/1983 | US4398946 Method of homogenizing cast iron melts and compacts for the carrying out thereof |
08/09/1983 | US4397683 Desulfurization of fluid materials |
08/02/1983 | US4396428 Magnesium |
08/02/1983 | US4396427 Graphite spheres |
07/26/1983 | US4395282 Calcium carbide, calcium oxide |
07/26/1983 | US4395281 Electromagnetically stirring |
07/19/1983 | US4394165 Method of preliminary desiliconization of molten iron by injecting gaseous oxygen |
07/19/1983 | CA1150058A1 Product for desulfurizing cast irons and steels |
07/12/1983 | US4392887 Covering with lime, deoxidation, blowing lime, aluminum and calcium fluoride in inert gas |
07/05/1983 | US4391633 Process for dephosphorization, desulfurization and denitrification of chromium-containing pig iron |
06/28/1983 | US4390362 Method and apparatus for out-of-furnace treatment of cast iron |
06/28/1983 | US4390170 Closure plug for ladle car |
06/21/1983 | US4389360 Method of forming a protective coating on a long lance to be immersed in molten metal |
06/14/1983 | US4388112 Desiliconizing, dephosphorizing, decarburizing, and desulfurizing |
06/14/1983 | CA1147967A1 Method for introducing deoxy-desulphurizing substances into the mass of liquid metals without the use of gaseous carriers |
05/24/1983 | US4385030 Magnesium ferrosilicon alloy and use thereof in manufacture of modular cast iron |
05/24/1983 | US4384887 Process of making salt-coated magnesium granules |
05/11/1983 | EP0078277A1 Immersion and vaporization chamber |
05/03/1983 | US4381855 Technique for conserving hot metal temperature |