| 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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| 10/12/2011 | CN102212644A Converter gas cloth-bag purifying and recycling technology combining cooling extingiushment and heating dust removal |
| 10/12/2011 | CN102212643A Converter less-slag smelting process |
| 10/12/2011 | CN102212642A Control method for increasing ultra-low carbon steel end-point purity of converter smelting |
| 10/12/2011 | CN102212641A Rapid slagging method |
| 10/12/2011 | CN102212640A Convertor steelmaking method capable of reducing slag quantity |
| 10/12/2011 | CN102212639A Converter foamed slag pressing agent and using method thereof |
| 10/12/2011 | CN102211159A Production method of steel for 82 B steel stranded wires |
| 10/12/2011 | CN101736198B Hot rolled band for container and method for manufacturing same |
| 10/11/2011 | US8034283 Rotary hearth furnace and method of operating the same |
| 10/11/2011 | CA2677674C Method for the reduction of a slag having a high degree of chromium in an electric arc furnace |
| 10/06/2011 | WO2011120976A1 Ultrasonic nozzle for use in metallurgical installations and method for dimensioning an ultrasonic nozzle |
| 10/06/2011 | WO2011120937A2 Device for injecting gas into a metallurgical vessel |
| 10/06/2011 | US20110244412 Melting furnace |
| 10/06/2011 | US20110241268 Method for Exchangeably Fastening a Refractory Purge Plug or Sleeve and a Container for Molten Metal |
| 10/06/2011 | US20110240689 Tundish impact pad |
| 10/06/2011 | US20110239822 Production of ferro-alloys |
| 10/06/2011 | DE102010047969A1 Vorrichtung zur Einblasung von Gas in ein metallurgisches Gefäß Apparatus for insufflation of gas into a metallurgical vessel |
| 10/06/2011 | CA2795002A1 Ultrasonic nozzle for use in metallurgical installations and method for dimensioning an ultrasonic nozzle |
| 10/06/2011 | CA2794247A1 Device for injecting gas into a metallurgical vessel |
| 10/05/2011 | EP2061612B1 Method for pouring melt from a tiltable metallurgic vessel and system for performing the method |
| 10/05/2011 | CN201999959U Dual-channel oxygen lance |
| 10/05/2011 | CN1898553B Method for analysis of a molten material, device and immersion sensor |
| 10/05/2011 | CN1721555B Metallurgical vessel |
| 10/05/2011 | CN102206788A Steel and production method thereof |
| 10/05/2011 | CN102206728A Phosphorus detection component on phosphorus detection probe for detecting phosphorus content in molten steel |
| 10/05/2011 | CN102206727A Converter steelmaking endpoint determination method and system, control method and control system |
| 10/05/2011 | CN101736116B Temperature reduction technology for steel converter coal gas flue |
| 10/05/2011 | CN101709350B Method of chromium alloying in gear steel furnace |
| 10/05/2011 | CN101709349B Method for online adjustment of coal gas recovery cup valve of steel converter |
| 10/05/2011 | CN101691624B Purifying and recovering process of absolute dry bag-type converter gas negative energy |
| 10/05/2011 | CN101649425B X120 pipeline steel with low crack sensitivity and high toughness and manufacturing method thereof |
| 10/05/2011 | CN101565796B Sheet steel with tensile strength of 570Mpa for elbow pipe and production method thereof |
| 09/29/2011 | WO2011118365A1 Pusher |
| 09/29/2011 | US20110236696 High strength rebar |
| 09/29/2011 | DE10148153B4 Flüssigkeitsgekühlte Kokille zum Umschmelzen von Metallen Liquid-cooled mold for remelting of metals |
| 09/28/2011 | EP2369019A1 Nozzle head for a blowing lance |
| 09/28/2011 | EP2367961A1 Method and device for monitoring vibrations of a metallurgical vessel |
| 09/28/2011 | EP2250456B1 Metallurgical process and plant herefor |
| 09/28/2011 | CN201992239U 钢包整备氧枪装置 Ladle Kerb oxygen gun device |
| 09/28/2011 | CN201990695U 炉前挡火门门体结构及炉前挡火门 Front fire-screen door Front door body structure and fire-screen door |
| 09/28/2011 | CN201990694U 转炉底吹透气砖复通装置 BOF bottom blowing air brick recanalization devices |
| 09/28/2011 | CN102203299A Seal plug for a tiltable converter |
| 09/28/2011 | CN102199733A Smelting method of axle steel for high-speed motor car |
| 09/28/2011 | CN102199683A Rapid desulfurizing method for smelting ultrapure steel with vacuum induction furnace |
| 09/28/2011 | CN102199682A Semisteel steelmaking method |
| 09/28/2011 | CN102198504A Production technology of mirror-surface plastic die steel |
| 09/28/2011 | CN101811076B Composite toothed plate and casting method thereof |
| 09/28/2011 | CN101781696B Spherical hinge disc suspension type connection device of converter ring and furnace shell |
| 09/28/2011 | CN101736117B Converter fume high-temperature bag dust removal and recycling and secondary steam recycling system |
| 09/28/2011 | CN101613836B Manufacturing method of niobium-titanium composite micro-alloyed steel continuous casting heavy slab |
| 09/28/2011 | CN101613829B Steel pipe for borehole operation of 150ksi steel grade high toughness oil and gas well and production method thereof |
| 09/28/2011 | CN101608284B Manufacturing method of titanium microalloyed hot rolled strip |
| 09/22/2011 | WO2011115919A1 Pivoting slag door |
| 09/22/2011 | WO2011113632A1 Briquette for producing a foamed slag effect in eaf technology in stainless steel production |
| 09/22/2011 | WO2011076615A3 Control of the converter process by means of exhaust gas signals |
| 09/22/2011 | WO2011064233A3 Fastening system for tiltable metallurgical vessels |
| 09/22/2011 | US20110226437 Copper Anode Furnace and a Method for Operating the Same |
| 09/22/2011 | DE102010022692A1 Brikett zur Erzeugung eines Schaumschlacke-Effekts bei der EAF-Technologie der Edelstahlherstellung Briquette for generating a foamy slag effect in the EAF technology of steel production |
| 09/22/2011 | CA2792854A1 Pivoting slag door |
| 09/21/2011 | EP2366086A1 Oxygen blowing lance cooled by protective gas |
| 09/21/2011 | EP2366033A1 Melting furnace |
| 09/21/2011 | EP1888791B1 Forehearth |
| 09/21/2011 | CN201981229U 转炉出钢口钻头 Converter taphole drill |
| 09/21/2011 | CN201981228U 转炉水冷炉口供排水装置 Drainage water-cooled furnace converter confessions |
| 09/21/2011 | CN201981227U 氧气斜吹旋转转炉的底部驱动机构 Oxygen blown rotary converter oblique bottom drive mechanism |
| 09/21/2011 | CN201981226U 一种转炉轴承座的防渣装置 Anti-BOF slag apparatus bearing |
| 09/21/2011 | CN201981225U 测厚自报警用炼钢炉不烧耐火砖 Since the alarm with a thickness measurement steelmaking furnace does not burn firebrick |
| 09/21/2011 | CN201981224U 转炉烟气系统活动烟罩 Converter gas system activity HOOD |
| 09/21/2011 | CN201980687U 一种水平型埋刮板输送机刮板组件 A horizontal-type buried scraper conveyor scraper assembly |
| 09/21/2011 | CN102191353A Heat recovery device for arc furnace steel-making |
| 09/21/2011 | CN102191352A Coherent jet lance |
| 09/21/2011 | CN102191351A Low-carbon alloy steel smelting method capable of reducing volatile alloy element burning loss, packaging body, long belt of packaging body and feeding method and special feeding device of packaging body |
| 09/21/2011 | CN102191348A Technological method and device for producing high-grade nickel and stainless steel by using oxidized pellet method |
| 09/21/2011 | CN101876024B Production method for high-chrome continuous cast billet containing N duplex stainless steel of pipe blank |
| 09/21/2011 | CN101824508B Slagging method for electrosmelting |
| 09/21/2011 | CN101797630B Modified high-speed steel roller and preparation method thereof |
| 09/21/2011 | CN101792843B Production process of Nb-containing mill coil for automobile |
| 09/21/2011 | CN101736124B Method for reducing titanium inclusion in cord steel |
| 09/20/2011 | US8021599 Method and installation for producing steel products with optimum surface quality |
| 09/20/2011 | US8021458 charging electric arc furnace with unaggumulated carbon forming polymer ( PET, other plastics), formed carbon acts as reducing agent for metal oxide and acts as fuel and can be oxidized into carbon oxides to cause slag foaming, when iron oxide feed charged, reduction takes place to form C, Fe alloy |
| 09/20/2011 | CA2671074C Method and device for producing pig-iron based stainless steel without using a supply of electrical energy |
| 09/15/2011 | WO2011110392A1 Method of setting a slag consistency and apparatus for carrying out the method |
| 09/15/2011 | WO2011109993A1 Steel slag self-slaking device using residual heat and pressure and method thereof |
| 09/15/2011 | DE102010011170A1 Düsenkopf für eine Blaslanze Nozzle head for a lance |
| 09/14/2011 | CN201971855U 炼钢用电炉除尘管道接口结构 Steelmaking furnace dust pipe interface structure |
| 09/14/2011 | CN201971854U 转炉煤气干法袋式回收净化系统 Dry Bag converter gas recovery purification system |
| 09/14/2011 | CN201971853U 一种煤气余热锅炉 One kind of gas waste heat boiler |
| 09/14/2011 | CN102187001A Method for processing solid or molten materials |
| 09/14/2011 | CN102183150A Quick feeding device for feeding waste steel into electric furnace and feeding method thereof |
| 09/14/2011 | CN102183149A 冶金容器 Metallurgical vessel |
| 09/14/2011 | CN102181804A Steel plate for Class I nuclear key equipment and manufacturing method thereof |
| 09/14/2011 | CN102181777A Stainless steel 431 smelting method |
| 09/14/2011 | CN102181610A Composite slagging agent for making semisteel, and preparation method and using method thereof |
| 09/14/2011 | CN102181604A New smelting process for producing medium carbon steel by adopting steel ladle powder injection technique |
| 09/14/2011 | CN102181601A Differential motion airtight feeding electric furnace smelting device and feeding method thereof |
| 09/14/2011 | CN102181600A Follow-up oxygen lance nitrogen seal device |
| 09/14/2011 | CN102181599A Method for quickly and accurately centering offset oxygen lance of converter |
| 09/14/2011 | CN102181598A Prejudgment and control method of tapping and slagging of converter based on thermal image |
| 09/14/2011 | CN102181597A Converter less slag smelting method based on Cu-P system weathering steel |
| 09/14/2011 | CN102181596A Converter blowing dephosphorization process for cooling converter slag by using limestone |