| 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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| 12/05/2013 | DE102012209504A1 Verfahren zum Öffnen und Schließen einer Abstichöffnung eines metallurgischen Schmelzgefäßes und metallurgisches Schmelzgefäß A method for opening and closing a tap opening of a metallurgical melting vessel and metallurgical melting vessel |
| 12/05/2013 | DE102012011123A1 Method for utilization of fire-extinguishing powder containing fire class biocarbonate involves using bicarbonate powder during thermal metallurgic process for melting raw materials as slag, and using for reducing melting temperature |
| 12/04/2013 | EP2669614A1 Tilting mechanism for a vessel |
| 12/04/2013 | CN203320049U Automatic ingredient feeding system of electric furnace |
| 12/04/2013 | CN203320048U Heating and heat-preserving electric control cabinet used for floating plug putting-in vehicle |
| 12/04/2013 | CN203320047U Novel forced water-cooled furnace apron plate |
| 12/04/2013 | CN203320046U Reamer for converter dismantling car |
| 12/04/2013 | CN203320045U Steelmaking machining system |
| 12/04/2013 | CN103429765A Material feeding system |
| 12/04/2013 | CN103429764A 可倾斜的氧气转换器 Tiltable oxygen converter |
| 12/04/2013 | CN103429763A Multiply secured coupling device for oxygen lance |
| 12/04/2013 | CN103429368A Pouring spout changer having dummy plate for casting device for producing metallurgic products |
| 12/04/2013 | CN103422033A Deformed steel bar used at low temperature and production process thereof |
| 12/04/2013 | CN103422006A Boron-containing steel production method for reducing steel ladle lining refractory consumption |
| 12/04/2013 | CN103421928A Method for reducing content of Ti in steel cord in steel smelting process |
| 11/28/2013 | WO2013175384A2 Suspension device for tilting oxygen converters and converter provided with said suspension device |
| 11/28/2013 | DE102007058125B4 Metallrückstände und Kohlenstoffträger enthaltender Formkörper Metal residues and carbon carriers containing moldings |
| 11/27/2013 | CN203309255U Anti-abrasion conical regulating valve of annular gap scrubber |
| 11/27/2013 | CN203307373U Scaleplate indicating device for actual lance height of oxygen lance |
| 11/27/2013 | CN203307372U Converter steam external-conveying device |
| 11/27/2013 | CN203307371U Simple auxiliary centring device for oxygen gun |
| 11/27/2013 | CN203307370U Annular mounting bracket for hoisting smelting converter |
| 11/27/2013 | CN203307369U Vanadium-extracting oxygen lance nozzle |
| 11/27/2013 | CN203307368U Auxiliary boosting circuit of oxygen lances of converter |
| 11/27/2013 | CN203307367U Masonry structure of 120-ton converter lining |
| 11/27/2013 | CN103409595A Dephosphorization and steel-making method of vanadium-containing molten iron |
| 11/27/2013 | CN103409592A Device for installing and aligning oxygen lance nozzle |
| 11/27/2013 | CN103409591A Method for installing and centering oxygen lance as well as vaporized flue and converter mouth |
| 11/27/2013 | CN103409590A Generating system using medium-pressure saturated superheated steam |
| 11/27/2013 | CN103409589A Soft skimming plug and manufacturing method thereof |
| 11/27/2013 | CN103409588A Interconnection intercommunication device for two converting furnace gas chambers |
| 11/27/2013 | CN103409587A Slag adjusting method by adding nut coke in converter smelting process |
| 11/27/2013 | CN103409586A Dephosphorization and steel-making method of semisteel |
| 11/27/2013 | CN102808061B Method for smelting nickel-containing steel by using low-nickel pig iron in converter |
| 11/27/2013 | CN102559994B Method for drying electric furnace by using molten iron |
| 11/27/2013 | CN102212640B Convertor steelmaking method capable of reducing slag quantity |
| 11/26/2013 | CA2785711C Control of the converter process by means of exhaust gas signals |
| 11/26/2013 | CA2566136C Heat exchanger |
| 11/21/2013 | WO2013172975A1 Purge plug |
| 11/20/2013 | EP2663661A2 Method for treating a carbon dioxide-containing waste gas from an electrofusion process |
| 11/20/2013 | EP2663413A1 Pouring spout changer having a dummy plate for a casting device for producing metallurgic products |
| 11/20/2013 | CN203295546U Steam superheating system of converter |
| 11/20/2013 | CN203295545U Wet-type grading dust removal device for primary flue gas of converter |
| 11/20/2013 | CN203295544U Wet-type dust collector |
| 11/20/2013 | CN203295543U Gas recycling device of steel smelting converter |
| 11/20/2013 | CN103397249A Low-oxygen and low-carbon electrical steel and production method thereof |
| 11/20/2013 | CN103397156A Wire manufacturing method |
| 11/20/2013 | CN103397141A Smelting method of high-aluminum stainless steel |
| 11/20/2013 | CN103397139A Intermediate frequency furnace lining baking method |
| 11/20/2013 | CN103397138A Patching method for furnace lining of revolving furnace steel tapping hole part |
| 11/20/2013 | CN103397137A Preparation method of wheel steel |
| 11/20/2013 | CN103397136A Residue splashing method for stabilizing converter hearth residue thickness under low-residue smelting condition |
| 11/20/2013 | CN103397135A Recarburization technology for converter short-flow steelmaking |
| 11/20/2013 | CN103397134A Method for calculating residual slag amount of converter in accordance with tilting angle of converter |
| 11/20/2013 | CN103397133A Method for protecting converter with vanadium slag |
| 11/20/2013 | CN103397132A Method for enhancing erosion resistance of vanadium extraction converter lining |
| 11/20/2013 | CN102433498B Q550 D high-quality structural iron medium and heavy plate and production method thereof |
| 11/19/2013 | US8585961 Preheaters for preheating steelmaking ladles |
| 11/19/2013 | CA2698888C Method for manufacturing molten iron |
| 11/14/2013 | WO2013169175A1 Selective oxidation |
| 11/14/2013 | WO2013012039A9 Method for smelting molten pig iron |
| 11/13/2013 | EP2662459A2 Integrated gas cooling system for electric arc furnace |
| 11/13/2013 | EP2661512A2 Systems and methods for recycling steelmaking converter exhaust residue and products made thereby |
| 11/13/2013 | CN203284420U Converter pipeline winding rotor structure |
| 11/13/2013 | CN203284419U Electric automation control system for rotary kiln |
| 11/13/2013 | CN103388049A Special oxygen gun spray head for vanadium extraction |
| 11/13/2013 | CN103388048A Physical-sensible-heat recovery method and device of converter flue gas |
| 11/13/2013 | CN103388047A Converter dry-process dedusting system and technology |
| 11/13/2013 | CN103388046A Pneumatic transmission method for dry dedusting of fine ash in converter gas |
| 11/13/2013 | CN103388045A Pneumatic transmission system for dry dedusting of thick ash in converter gas |
| 11/13/2013 | CN103388044A Wet-type dust collector |
| 11/13/2013 | CN103388043A A converter low-silicon smelting method |
| 11/13/2013 | CN103388042A Carbon monoxide lance position operation method for converter blowing |
| 11/13/2013 | CN103388041A Production process for low-cost and highly-clean X80 pipeline steel |
| 11/13/2013 | CN103386705A Compression production method of guide rod for converter slag blocking |
| 11/13/2013 | CN103386479A Double-station ladle truck for anadium converter |
| 11/13/2013 | CN102051437B Air-supplying device for revolving furnace |
| 11/12/2013 | CA2603086C Linear hearth furnace system and methods regarding same |
| 11/06/2013 | EP2659009A2 Multiply secured coupling device for oxygen lances |
| 11/06/2013 | EP2659008A2 Method for the pyrometallurigical treatment of metals, molten metals, and/or slags |
| 11/06/2013 | CN203269971U Tilting converter |
| 11/06/2013 | CN203269970U Water cooling furnace mouth of converter |
| 11/06/2013 | CN203269969U Measuring apparatus for molten iron slag quantity |
| 11/06/2013 | CN203269968U Sliding type slag blocking bolt and a bolt feeding device |
| 11/06/2013 | CN203269967U Combination type integration tap hole transportation apparatus |
| 11/06/2013 | CN203269966U Water discharge equipment of gas cooler |
| 11/06/2013 | CN102690923B Method for forecasting sublance process carbon content of converter |
| 11/06/2013 | CN102643946B Converter steelmaking method through power injection dephosphorization by adopting supersonic speed oxygen lance and supersonic speed oxygen lance |
| 11/06/2013 | CN102618781B Hot-rolled H-steel for low temperature-resistance structure and preparation method for hot-rolled H-steel |
| 11/06/2013 | CN102433515B MC5 Steel and large-sized flattening roll prepared by using the same, and manufacturing process of MC5 steel |
| 11/06/2013 | CN102296141B Converter steelmaking final slag modifier and use method thereof |
| 11/06/2013 | CN102071287B Method for melting high-temperature-resistance and high-pressure-resistance alloy steel |
| 10/31/2013 | WO2013162260A1 Apparatus for refining molten metal, and refining method using same |
| 10/31/2013 | WO2013159669A1 Stainless steel material and manufacturing method therefor |
| 10/30/2013 | CN203259267U Steel converter body temperature sensing and monitoring device |
| 10/30/2013 | CN203256299U Releasing-preventing electrode of electric arc furnace |
| 10/30/2013 | CN203256298U Compound rotary connector |
| 10/30/2013 | CN203256297U Converter |
| 10/30/2013 | CN203256296U Air-cooled type converter stokehole dust hood |
| 10/30/2013 | CN203256295U Self-adapted regulation control system of oxygen blowing pressure of converter |