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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01/16/1996 | CA1337920C Process for detecting outflow of slag |
01/11/1996 | WO1996000799A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace |
01/11/1996 | DE4424009A1 Base electrode for a DC arc furnace has improved abrasion resistance, electrical conductivity and optimal cooling in the base plate region |
01/11/1996 | CA2193472A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace |
01/10/1996 | EP0691411A1 Process for the continuous refining of metal and a facility for carrying out said process |
01/10/1996 | CN2217021Y Tilting mechanism Frequency-changing and speed adjusting driving means for tilting mechanism of converter |
01/10/1996 | CN2217020Y Apparatus for removing slags from under part of converter |
01/03/1996 | EP0690137A2 Method of decarburizing refining molten steel containing Cr |
01/02/1996 | US5480474 Process and apparatus for smelting reduction of ores or pre-reduced metal carriers |
01/02/1996 | US5480473 Gases emerging from metal bath are afterburned in space above smelt by injected oxidizing agents; transferring heat |
01/02/1996 | US5480127 Apparatus for the melting and treatment of metal |
01/02/1996 | CA1337848C Process for treating liquid metals |
12/28/1995 | WO1995035394A1 Method for producing steel |
12/28/1995 | WO1995035393A2 Method for the production of steel |
12/27/1995 | EP0688877A1 Process for producing low-carbon chromium-containing steel |
12/27/1995 | EP0688876A2 Cooled mantle ring for a converter |
12/26/1995 | US5479435 DC arc furnace |
12/26/1995 | US5479434 Double-hearth arc furnace for preheating scrap material and method of operating the same |
12/26/1995 | US5479433 For melting an object |
12/26/1995 | US5478392 A hydraulical setting binding material having a free calcium oxide grains formed by spraying a molten stream of steel slag with a sprayed pressurized water |
12/26/1995 | CA2088309C System of sized bricks |
12/21/1995 | WO1995034791A1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
12/21/1995 | DE4420869A1 Floater cone for converters |
12/21/1995 | CA2192953A1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
12/20/1995 | CN2215493Y Automatic deslag oxygen gun |
12/20/1995 | CN1113522A Metallurgy of 12Cr2MoWVTiB by oxygen converter |
12/19/1995 | US5476532 Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof |
12/19/1995 | CA2075587C Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace |
12/19/1995 | CA2066455C Top submerged injection with a shrouded lance |
12/19/1995 | CA1337744C Method for cleaning molten metal and apparatus therefor |
12/14/1995 | WO1995033587A1 Scavening device for use with a metallurgical vessel, in particular a steel-making converter |
12/13/1995 | EP0686700A2 Titanium containing additive and its use for increasing the durability of a furnace refractory lining or as a slag former |
12/12/1995 | US5475582 Stepless control of a load guided parallel resonant inverter |
12/06/1995 | EP0685000A1 Method and apparatus for slag free casting |
12/06/1995 | CN1113003A Method and apparatus for measuring displacement of molten metal |
11/30/1995 | DE4418145A1 Pipe duct for conveying solids, |
11/29/1995 | CN2213734Y Steel cover type oxygen gun for temp. rising device |
11/28/1995 | US5471495 Electric arc furnace arrangement for producing steel |
11/22/1995 | EP0682717A1 A slag defoaming composite |
11/22/1995 | CN2213164Y Pushing off slag device for manufacture of steel in converter |
11/14/1995 | US5465943 Bottom or wall structure for a metallurgical vessel |
11/14/1995 | US5465942 Tuyere arrangement for the introduction of agents into a molten bath and method of operating such a tuyere arrangement |
11/08/1995 | EP0680519A1 High-production rotary furnace steelmaking. |
11/08/1995 | CN1111287A Method and apparatus for recovery of valuable substance |
11/07/1995 | CA1337499C Gas flushing brick |
11/06/1995 | CA2122952A1 Method and apparatus for removing a nozzle insert from a steelmaking ladle |
11/04/1995 | CA2127593A1 Method and apparatus for installing a nozzle insert in a steelmaking ladle |
11/02/1995 | WO1995029265A1 Process for keeping a metallurgical vessel opening free from deposits |
11/02/1995 | WO1995029264A1 Process and device for keeping a metallurgical vessel opening free from deposits |
11/02/1995 | WO1995029263A1 Device for introducing a lance into a metallurgical vessel |
11/02/1995 | WO1995029137A1 Metallurgical furnace vacuum slag removal |
11/02/1995 | EP0679723A1 Process for manufacture of a gas- and/or solid injection installation for metallurgical vessels and installation for injection manufactured by said process |
11/02/1995 | EP0544786B1 Treatment of oxide-containing dusts |
11/01/1995 | CN1110989A Method of manufacturing a gas and/or solid material blasting device for metallurgical vessels and blasting device manufactured in accordance with the method |
10/31/1995 | US5463653 Power converter device for direct current power supply to an electric arc furnace |
10/31/1995 | US5462613 Controlling mechanical properties by analysis of melt samples, then adjusting concentration of elements which control critical properties |
10/31/1995 | US5462579 Blowing oxygen gas on surface of melt from above and injecting a mixed gas from the bottom |
10/31/1995 | US5462260 Device for inserting a lance into a pressurized container, in particular a blast furnace |
10/31/1995 | US5462259 Tilting device for a D.C. arc furnace and process for emptying the furnace |
10/31/1995 | CA1337456C Method of smelting metal oxide material |
10/26/1995 | WO1995028501A1 Device for the protection of personnel during the servicing of the lining of converters, chimneys and the like |
10/25/1995 | EP0678584A1 Installation for gas flushing in the wall of a metallurgical vessel |
10/25/1995 | CN2210900Y Device for connection of converter trunnion and cooling tube at furnace mouth |
10/25/1995 | CN1110719A Slag fomation agent for adding magnesium in magnesium balls for smelting steel |
10/17/1995 | US5458671 Suppression of fume in metal pouring |
10/17/1995 | US5458320 Accretion controlling tuyere |
10/17/1995 | CA2022542C Gunning composition |
10/12/1995 | WO1995027084A1 Base electrode of a dc-heated metallurgical vessel |
10/10/1995 | CA2010356C Method for manufacturing molten metal containing ni and cr |
10/05/1995 | DE4423334C1 Cooled converter carrier ring |
10/05/1995 | DE4411591A1 Bodenelektrode eines mit Gleichstrom beheizten metallurgischen Gefäßes Bottom electrode of a heated with direct current metallurgical vessel |
10/04/1995 | EP0437618B1 Method of dephosphorizing chromium-containing hot metal with lowered oxidation loss of chromium |
10/04/1995 | CN1109694A Electric arc fusion furnace |
10/04/1995 | CN1109690A Method for melting scrap iron in an electric furnace and equipment for applying this method |
10/03/1995 | US5454853 Method for the production of steel |
10/03/1995 | US5454852 Converter for the production of steel |
09/28/1995 | WO1995025819A1 Support for a basis steel converter vessel |
09/28/1995 | WO1995025818A1 A support for a basic oxygen converter vessel |
09/28/1995 | DE4405198A1 Decarburising and degassing of steel melts in converter |
09/27/1995 | EP0674011A1 Method of controlling slag coating of a steel converter |
09/27/1995 | EP0673442A1 Flow control device for the suppression of vortices |
09/27/1995 | CN1109160A Method of operation of A D.C. electric-arc furnace with bottom electrode and refractory part for its implementation |
09/26/1995 | US5453103 Compression, clean burning fuel |
09/20/1995 | EP0672881A1 Melting furnace having preheating vessel |
09/20/1995 | CN1108757A Direct current electric furnace for melting metal |
09/20/1995 | CN1108756A Method for adjusting DC arc furnace |
09/19/1995 | US5451035 Metallurgical furnace for production of liquid steel |
09/19/1995 | CA1337015C Electromagnetic molten metal supply system |
09/14/1995 | DE4446718A1 Scrap preheating in an electric arc double furnace |
09/14/1995 | DE4408397A1 Metallurgical vessel gas flushing system |
09/13/1995 | EP0671595A1 Electric arc fusion furnace |
09/13/1995 | EP0671475A1 Process for the production of liquid steel from scrap |
09/08/1995 | WO1995023947A1 Charging device for arc furnaces |
09/08/1995 | WO1995023660A1 Improvements in metallurgical conversion |
09/08/1995 | CA2184711A1 Charging device for arc furnaces |
09/08/1995 | CA2183262A1 Improvements in metallurgical conversion |
09/06/1995 | CN1107766A Centrifugal casting scoria |
08/31/1995 | DE4439122A1 Rendering an object contg. PCB(s) safe |
08/31/1995 | DE4406260A1 Operating a melting unit with two furnaces arranged side by side |
08/30/1995 | EP0668934A1 Process and installation for repairing the lining of steelmaking converters |