Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
---|
08/30/1995 | CN1107517A A converter process for the production of iron |
08/24/1995 | DE4406563A1 Oxygen-blown converter blowing nozzle |
08/23/1995 | CN1107274A Slide gate valve having a cementless joint between the valve and a metallurgical vessel |
08/23/1995 | CN1107181A Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof |
08/22/1995 | US5444734 Device for lifting and moving the roof of a spray cooled furnace |
08/22/1995 | US5444733 Electric arc furnace with alternative sources of energy and operating method for such electric furnace |
08/22/1995 | US5443699 Method for refining molten metals and recovering metals from slags |
08/22/1995 | US5443572 Apparatus and method for submerged injection of a feed composition into a molten metal bath |
08/22/1995 | CA1336746C Process for producing chromium containing molten iron |
08/22/1995 | CA1336745C Method for producing chromium containing molten iron with low sulphur concentration |
08/17/1995 | WO1995021713A1 Slag control shape release apparatus for molten metal vessels |
08/17/1995 | DE4404313A1 Method and plant for melting and treating metals |
08/16/1995 | EP0666930A1 Process for making steel and hydraulically active binders. |
08/15/1995 | CA1336646C Reduced chromium-ore bearing powder and method for producing the same |
08/10/1995 | DE19502683A1 Floor anode formation for metallurgical vessel |
08/09/1995 | EP0666325A1 Direct curvent furnace for melting of metal |
08/09/1995 | EP0666324A1 Installation for coupling a movable metallurgical vessel to a flexible gas conduit |
08/09/1995 | EP0665899A1 Process and device for melting scrap |
08/08/1995 | CA1336539C Lance holder for a compact lance |
08/03/1995 | CA2140219A1 Device for coupling a metallurgical carriage to a flexible conduit |
08/02/1995 | EP0474883B1 Dc electric furnace for melting metal |
08/02/1995 | CN1106132A Controlling pouring stream and receiver environment |
08/01/1995 | US5438588 Direct current-electric arc furnace system |
08/01/1995 | US5437160 Process and installation for the separation of air |
07/27/1995 | WO1995020022A1 Utilizing discarded carbon |
07/27/1995 | WO1995004910A1 Charge preheater |
07/27/1995 | CA2179885A1 Utilizing discarded carbon |
07/26/1995 | CN2203907Y Metal-working equipment for mfg. integral supporting ring ear shaft of revolving furnace |
07/25/1995 | US5435948 Surface treatment of refractories |
07/25/1995 | CA1336360C Method for manufacturing iron-boron-silicon alloy |
07/20/1995 | DE4401244A1 Decarburising steel melts in reduced time |
07/19/1995 | EP0663579A1 Method of producing iron melt |
07/19/1995 | EP0663450A1 Method of producing iron melt |
07/19/1995 | EP0663449A1 Method of making high nitrogen content steel |
07/18/1995 | CA2139801A1 Tap hole plugging device |
07/13/1995 | DE19500404A1 Loading of materials into a metallurgical vessel |
07/11/1995 | US5431709 Accretion controlling tuyere |
07/06/1995 | WO1995018346A1 Nozzle and method of blowing hot metal |
07/06/1995 | CA2179917A1 Nozzle and method of blowing hot metal |
07/05/1995 | EP0661507A1 Process and apparatus for eliminating heavy metals and heavy metal containing compounds |
07/05/1995 | CN1104838A Apparatus for preheating and supplying scraps |
07/05/1995 | CN1104837A DC arc furnace |
07/05/1995 | CN1104836A DC ARC furnace |
07/05/1995 | CN1104830A Slide gate valve having replaceable refractory valve plate assembly and method of replacing the same |
07/04/1995 | US5429342 Slide gate nozzle including sequentially replaceable refractory sliding plates and refractory plate assembly employable therein |
07/04/1995 | CA1336136C Process for feeding heat energy into a molten metal bath |
06/29/1995 | WO1995017528A1 A method of processing ferrous materials |
06/29/1995 | DE4419816C1 Titanium-contg. additive used in refractory linings and as a slagging agent |
06/28/1995 | EP0660647A1 Method for controlling a DC arc furnace |
06/28/1995 | EP0659887A1 Melt-reduction process for production pf pig iron in the converter |
06/28/1995 | CN1104257A Fluxing method for electric-arc furnace steel-smelting |
06/27/1995 | CA1336042C Method of charging chromium ores in a smelting reduction |
06/23/1995 | CA2136521A1 Regulation method for a dc arc furnace |
06/22/1995 | WO1995016796A1 Loading device for feeding liquid metal into an electric furnace |
06/22/1995 | WO1995016795A1 Furnace spraying repair device |
06/22/1995 | CA2177058A1 Loading device for feeding liquid metal into an electric furnace |
06/15/1995 | WO1995016335A1 Submerged arc furnace with vertically movable frame |
06/15/1995 | WO1995016056A1 Method of monitoring the state of the surface of molten metal and a device for carrying out said method |
06/14/1995 | EP0657710A1 Dc arc furnace |
06/14/1995 | EP0657549A1 Process for producing an iron melt |
06/14/1995 | DE4439397A1 Steel scrap smelting |
06/14/1995 | DE4407861C1 Arc oven loading device |
06/14/1995 | CN1028907C Probe for taking gas samples and temperature measurement in shaft furnace |
06/13/1995 | US5425047 Closed induction furnace with a tilting apparatus |
06/13/1995 | US5423900 Blowing pressurized gases through nozzles below melt surface |
06/13/1995 | US5423522 Slag control shape release apparatus for molten metal vessels |
06/11/1995 | CA2137766A1 Process for producing an iron melt |
06/08/1995 | DE4341233A1 Charging vessel esp. for arc furnace designed for noise and vibration redn. during vessel filling |
06/08/1995 | CA2137419A1 Process and device for removing heavy metals and compounds containing heavy metals |
06/07/1995 | WO1995018238A1 Process for the continuous refining of metal and a facility for carrying out said process |
06/06/1995 | US5421561 Gas stir devices with refractory material erosion depth indicator and method of making the same |
06/06/1995 | US5421560 Slag control apparatus for molten metal vessels |
06/03/1995 | CA2110567A1 Process for using foamed slag in stainless steel production |
05/31/1995 | EP0655508A1 Process for using foamed slag in stainless steel production in the electric arc furnace |
05/31/1995 | CN2199215Y Looling water tank for revolving furnace mouth |
05/30/1995 | US5419669 Installation for lining an internal wall of an enclosure with brickwork |
05/24/1995 | EP0654314A1 Controlling pouring stream and receiver environment |
05/24/1995 | DE4405382C1 Burner pipe for burners in industrial furnaces |
05/23/1995 | US5417740 Method for producing steel |
05/23/1995 | US5417739 Blowing oxygen in molten iron for decarbonization then blowing nitrogen into melt |
05/17/1995 | EP0653496A1 Process and apparatus for the recovery of valuable materials |
05/16/1995 | US5415692 Apparatus for applying material against the wall of a molten metal discharging hole |
05/16/1995 | CA2135830A1 Process and device for the extraction of valuable substances |
05/11/1995 | WO1995012797A1 Cooling of hot bodies |
05/11/1995 | DE4435378A1 Metallurgical vessel |
05/11/1995 | CA2172806A1 Cooling of hot bodies |
05/10/1995 | EP0652296A1 Method of and apparatus for manufacturing medium and low carbon ferromanganese |
05/10/1995 | EP0652292A1 Direct current electric arc furnace |
05/10/1995 | CN1102441A Steel plant equipment with closed tiltable arc furnace |
05/09/1995 | US5414661 Semiconductor memory device |
05/03/1995 | EP0650384A1 Treatment of polyvinylchloride. |
05/03/1995 | EP0190313B2 Method and apparatus for continuous steelmaking |
05/02/1995 | US5411570 Steelmaking process |
05/02/1995 | US5411393 Premix burner for furnace with gas enrichment |
04/27/1995 | DE4419811C1 Gas bubble brick with wear indicator |
04/26/1995 | EP0649911A1 Reflection device in the mouth of a lance for applying bonded minerals and process for using said lance |
04/26/1995 | EP0649478A1 Method for producing steel |
04/26/1995 | EP0649477A1 Electric furnace for melting scrap iron |
04/26/1995 | EP0514526B1 Facility for producing molten metal in an electric furnace |
04/26/1995 | CN1101947A Method for recovering Fe-and V-slag from molten Fe containing V |