| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 01/04/2012 | CN102304601A Molten iron desulfurization method of taphole area of blast furnace |
| 12/28/2011 | CN102296226A 大型球墨铸铁件用二次孕育剂及制造方法 Large ductile iron castings and manufacturing method using second inoculation |
| 12/28/2011 | CN102296140A 一种利用脱硫渣生产汽车配件用铸铁的方法 A use of desulfurization slag production of auto parts with iron method |
| 12/22/2011 | WO2011156881A1 Development of synthetic sintered slag for controlling the sulphur content of steels and metal alloys |
| 12/21/2011 | EP2396434A1 Method to obtain a high resistance gray iron alloy for combustion engines and general casts |
| 12/21/2011 | EP1445337B1 Method for dephosphorization of molten iron |
| 12/21/2011 | CN102286652A 柴油机前端集成箱体制造方法 Diesel tank integrated front-end manufacturing method |
| 12/21/2011 | CN101660099B 高强度低合金热轧铁素体贝氏体耐候钢及其生产方法 High-strength low-alloy hot rolled ferritic bainite weathering steel and its production method |
| 12/14/2011 | EP2393618A1 Device for expanding working space |
| 12/14/2011 | CN102276270A Refractory material used for lance for molten iron pretreatment and application thereof |
| 12/07/2011 | CN102272337A 粒状铁的制造方法 Granular iron manufacturing method |
| 12/07/2011 | CN102271838A 熔融金属处理设备与熔融金属处理方法以及使用该设备的熔融金属输送线 Molten metal and the molten metal processing apparatus and processing method using the apparatus of the molten metal conveying line |
| 12/07/2011 | CN102268506A 一种制备球墨铸铁的方法 The method of preparing a ductile |
| 12/07/2011 | CN102268505A 一种铁水包内铁水预脱硫的方法 Pre-hot metal desulfurization method within a ladle |
| 11/30/2011 | CN202054855U 改进截面的机械搅拌脱硫铁水罐 Improved mechanical agitation section ladle desulfurization |
| 11/30/2011 | CN202054854U 紊流式机械搅拌脱硫铁水罐 Turbulent mechanical agitation desulfurization ladle |
| 11/30/2011 | CN102264919A 从炼钢炉渣中回收铁和磷的方法 Method for recovering phosphorus from iron and steelmaking slag |
| 11/30/2011 | CN102260819A 一种铸态厚大断面珠光体基球墨铸铁材料 One kind of heavy section pearlitic cast ductile iron base material |
| 11/30/2011 | CN102260767A -40℃低温铸态大断面球墨铸铁生产工艺 -40 ℃ low-cast ductile iron production technology for large cross section |
| 11/24/2011 | WO2011145339A1 Austenitic cast iron, cast product of austenitic cast iron, and process for production of the cast product |
| 11/23/2011 | CN102249566A Process for carbonating active lime with rotary kiln tail gas |
| 11/16/2011 | CN101497965B Steel for cutting edge of shovel of loader and digger and production method thereof |
| 11/09/2011 | CN101773989B Process for producing ductile cast iron by short-flow melting and sodium silicate sand molding |
| 11/02/2011 | EP2383352A1 Method for reclaiming iron and phosphorus from steelmaking slag |
| 11/02/2011 | CN102230049A Molten iron desulfurizing agent, preparation method thereof and desulfurization method using molten iron desulfurizing agent |
| 11/02/2011 | CN102230048A Composite desulfurizing agent for molten-iron furnace external refining and spraying |
| 10/19/2011 | CN102220447A Method for two-step desulfurization of molten iron |
| 10/19/2011 | CN102218517A Centrifugal casting production technology |
| 10/13/2011 | US20110247458 Method for Influencing the Properties of Cast Iron |
| 10/12/2011 | CN102212747A Low-cost steel for automobile beam and manufacturing method thereof |
| 10/12/2011 | CN102212736A Method for preparing niobium microalloy steel by using low-niobium molten iron |
| 10/12/2011 | CN102212638A Refining method of molten iron in ladle and devices required by same |
| 10/12/2011 | CN101709347B Method for producing passive metal particle, metal powder or passive lime |
| 10/06/2011 | WO2011121856A1 Method for treatment of chromium-containing hot metal and slag |
| 10/05/2011 | CN102206726A Method for removing desulfurizing slag from molten iron |
| 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 |
| 09/28/2011 | CN201990693U 液压传动式混铁炉 Hydraulic Driven Mixer |
| 09/28/2011 | CN101613836B Manufacturing method of niobium-titanium composite micro-alloyed steel continuous casting heavy slab |
| 09/28/2011 | CN101608284B Manufacturing method of titanium microalloyed hot rolled strip |
| 09/27/2011 | US8025837 Generator for flux specific bursts on nano-particles |
| 09/22/2011 | US20110227263 Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation |
| 09/21/2011 | CN201983641U 一种冶金喷枪 A metallurgical gun |
| 09/21/2011 | CN102191423A Rare earth-alloy composite modifier applicable to wear-resistant iron-based alloy |
| 09/21/2011 | CN102191350A Method and equipment for preparing cast tube molten iron |
| 09/20/2011 | US8021459 Method and apparatus for controlling metal separation |
| 09/14/2011 | CN102181779A Composite inoculant used for grey cast iron and preparation method and application method of composite inoculant |
| 09/14/2011 | CN102181778A Core-spun yarn and preparation method thereof |
| 09/13/2011 | US8017068 Inducing swirl in a gas flow |
| 09/07/2011 | CN201962317U 三段式弧形扒渣装置 Three-arc slag device |
| 09/06/2011 | US8012408 Metal powder manufacturing device, metal powder, and molded body |
| 08/31/2011 | CN102168218A Low-silicon nodularizer and preparation method of the low-silicon nodularizer |
| 08/31/2011 | CN101532074B A blowing method desulfurizing agent and preparation method thereof |
| 08/24/2011 | CN102165082A Production of ferro-alloys |
| 08/24/2011 | CN102162019A Multistage combined pretreatment method for vanadium-bearing molten iron |
| 08/17/2011 | CN201933104U 一种炼钢用脱硫喷吹罐流态化室 One kind of steel desulfurization injection tank with fluidized chamber |
| 08/17/2011 | CN102154533A Jet stirrer for mechanical stirring and desulfurizing of molten iron |
| 08/11/2011 | WO2011096518A1 Temperature estimation method and device for fluid system, and method for estimating concentration and temperature of substance component in fluid system |
| 08/10/2011 | CN201924034U 一种混铁炉用双联排水阀机构 One kind Mixer with double drain valve mechanism |
| 08/10/2011 | CN201924033U 机械搅拌法铁水预处理降噪装置 Mechanical stirring hot metal pretreatment noise reduction device |
| 08/04/2011 | WO2011093237A1 Method for removing impurities in molten cast iron, and cast iron raw material |
| 08/03/2011 | CN102144038A Method for desulfurizing molten pig iron |
| 08/03/2011 | CN102140605A Alloy vermicular graphite cast iron for brake disc of rail transit vehicle |
| 07/27/2011 | CN102134625A Method for producing castings by smelting iron chips with medium frequency furnace and briquetting |
| 07/27/2011 | CN102134624A Method for retrieving off-line accidents of torpedo type car |
| 07/20/2011 | CN201900262U Environment-friendly magnesium particle passivation system |
| 07/20/2011 | CN101649422B Niobium microalloyed hot rolled steel band and manufacturing method thereof |
| 07/20/2011 | CN101586210B High strength enamel steel and producing technology and enamel firing technology thereof |
| 07/14/2011 | WO2011083655A1 Operation method for mechanically stirring chrome-containing molten iron |
| 07/12/2011 | US7976772 Filter |
| 07/12/2011 | CA2526268C Inoculant products comprising bismuth and rare earths |
| 07/06/2011 | EP2341154A1 Process for making nodular cast iron |
| 07/06/2011 | CN201890897U Air-cooled type desulphurization injection lance |
| 07/06/2011 | CN201890896U Vibrating molding machine for desulphurizing stirring heads |
| 07/06/2011 | CN201890894U Molten iron desulfurizing stirring head |
| 07/06/2011 | CN201890893U Desulfurizing lance |
| 07/06/2011 | CN201890892U Long-service life stirring head for molten iron desulphurization |
| 07/06/2011 | CN201890891U Air-cooled type singly-blowing desulphurization injection lance |
| 07/06/2011 | CN201889844U Desulfurization spray gun vibration forming machine |
| 07/06/2011 | CN102115801A Method for producing high-quality spheroidal graphite cast iron and spheroidal graphite cast iron prepared thereby |
| 06/29/2011 | CN201883108U Manganese series ferroalloy refining furnace trolley type folding smoke hood |
| 06/29/2011 | CN102108428A Refining process of crude nickel iron |
| 06/29/2011 | CN101579732B Spheroidisation reaction package for producing ductile cast iron and spheroidisation method therefor |
| 06/22/2011 | CN1477223B Cast-iron alloy |
| 06/22/2011 | CN102102136A As-cast high-toughness ferrite nodular iron and production method thereof |
| 06/22/2011 | CN101665892B Silicon alloy steel and manufacturing method thereof |
| 06/22/2011 | CN101649381B Method for producing secondary cold-rolling tinning original plate |
| 06/15/2011 | CN201864744U Molten iron pretreatment desulfuration stirrer |
| 06/15/2011 | CN201864741U Desulfurization and dephosphorization single mixing spray gun |
| 06/15/2011 | CN102094102A Method for casting nodular cast iron with large section |
| 06/15/2011 | CN102094101A Hydraulic transmission type metal mixer |
| 06/15/2011 | CN102094100A Molten iron dephosphorizing agent and application method thereof |
| 06/15/2011 | CN102094099A Ferronickel refining system |
| 06/15/2011 | CN102094094A Process for smelting ferronickel from red soil nickel ore |
| 06/15/2011 | CN101591755B Uncoated tinplate base for acidic food can and manufacturing method thereof |
| 06/15/2011 | CN101298631B In situ mechanically rabbled furnace external desulfurization method and apparatus |
| 06/08/2011 | EP2329054A1 Production of ferro-alloys |
| 06/08/2011 | CN102086480A Method for casting molten iron by utilizing medium-frequency electric furnace and iron scraps |
| 06/03/2011 | WO2011064415A1 Inoculation procedure and device |
| 06/03/2011 | CA2781898A1 Inoculation process and device |