| 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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| 05/30/2012 | CN101691623B Process for smelting vanadium-containing molten iron converter |
| 05/30/2012 | CN101650556B Control method for reducing mechanical impact in converter tilting system and control device thereof |
| 05/30/2012 | CN101381790B Method for horizontal continuous casting 10Cr9Mo1VNbN ferrite heat-resistant steel to tube round blank through electric stove smelting |
| 05/24/2012 | US20120125152 Electric arc melting facility and method for producing molten metal by using electric arc melting facility |
| 05/23/2012 | CN202226876U Trunnion bearing sealing structure on non-transmission side of converter |
| 05/23/2012 | CN202226875U Oxygen lance winding steel wire rope groove-skipping prevention device for converter |
| 05/23/2012 | CN102472579A 用于电炉的排渣门装置 Apparatus for electric furnace slag door |
| 05/23/2012 | CN102465228A 一种利用铁合金炉渣冶炼成的合金钢 A use of ferroalloy smelting slag into steel |
| 05/23/2012 | CN102465192A 一种不锈钢转炉的出钢方法 One kind of stainless steel furnace tapping method |
| 05/23/2012 | CN101880824B Q345q-series super-thick bridge steel plate and production method thereof |
| 05/23/2012 | CN101787492B Manufacturing method of high quality and large size mandril blank |
| 05/23/2012 | CN101736204B High-strength atmospheric corrosion-resistant medium plate and manufacturing method thereof |
| 05/23/2012 | CN101705429B Production method of wire rod of high-speed railroad no-slag sleeper slab steel wire |
| 05/23/2012 | CN101638708B Slagging process for removing free calcium oxide fCao from converter slag |
| 05/22/2012 | CA2668707C High-durability sleeve bricks |
| 05/18/2012 | WO2012064996A1 Reinforced distributor for post-combustion lance |
| 05/18/2012 | WO2012062254A1 Charging shaft system and method for filling |
| 05/18/2012 | CA2817708A1 Reinforced distributor for post-combustion lance |
| 05/16/2012 | CN202220186U Bi-directional steel conversion pre-melting ladle for electric furnace |
| 05/16/2012 | CN202220185U Special tool for placing slag-stopping balls |
| 05/16/2012 | CN102459655A Movable device for injecting oxygen and other materials into electric arc furnace |
| 05/16/2012 | CN102453787A Self-propelled tap hole repairing vehicle |
| 05/16/2012 | CN102453786A Method for smelting steel for drill rod joint by using rotating furnace, and steel for drill rod joint |
| 05/10/2012 | WO2012060796A1 Section for processing liquid metal with gases |
| 05/10/2012 | WO2012060438A1 Granulated steelmaking slag increasing yield of paddy-field rice and suppressing generation of methane and nitrous oxide, and method therefor |
| 05/10/2012 | WO2011157498A3 Tilting converter |
| 05/10/2012 | US20120111523 Melting unit for a die casting system |
| 05/09/2012 | EP2449136A2 Method for cooling a cooling element of an electric arc furnace, electric arc furnace for melting down metal articles, and control device for an electric arc furnace |
| 05/09/2012 | EP2310539B1 Method and devices for regulating the flow rate and for slowing down melt streams through magnetic fields in the tapping of metallurgical containers such as blast furnaces and melt furnaces |
| 05/09/2012 | CN202214379U Oxygen lance spray head |
| 05/09/2012 | CN202214378U AOD (Argon Oxygen Decarburization) furnace oxygen lance |
| 05/09/2012 | CN202214377U Connection structure for argon-oxygen decarburization (AOD) furnace and furnace body frame |
| 05/09/2012 | CN102443678A Method for smelting stainless steel mother liquor with furnace wall carbon-oxygen spray gun in arc furnace |
| 05/09/2012 | CN102443677A Manufacturing process for material of drilling safe device for petroleum machine |
| 05/09/2012 | CN102443676A Hydraulic hammer |
| 05/09/2012 | CN102443675A Production method of low-sulfur steel |
| 05/09/2012 | CN102443674A Silicon carbide pellet and purpose of pellet as temperature improving agent in converter smelting process |
| 05/09/2012 | CN102443673A Method for preventing erosion leakage of spraying head of oxygen lance in converter |
| 05/09/2012 | CN102443672A Method for controlling nitrogen increasing of converter tapping molten steel |
| 05/09/2012 | CN102443671A Method for controlling rising of cinder surface in tapped steel ladle from converter |
| 05/09/2012 | CN102443670A Heavy-rail steel sulfur content controlling method |
| 05/09/2012 | CN102443669A Method for smelting high strength plastic product steel |
| 05/09/2012 | CN102443668A Method and equipment for producing steel |
| 05/09/2012 | CN102441649A Production technology of small square billet |
| 05/09/2012 | CN101949474B Heat-resistance stainless steel exhaust pipe and manufacturing method thereof |
| 05/09/2012 | CN101914653B Method for replacing brick cup of converter tapping hole |
| 05/09/2012 | CN101906503B Method for producing high-specification ultrahigh-obdurability aging-free railway basic construction steel |
| 05/08/2012 | US8172922 Method and device for the continuous production of steel using metal charge material |
| 05/03/2012 | WO2012057648A1 Method for smelting structural steel of low and restricted hardenability |
| 05/03/2012 | WO2012055546A1 Wireless lance |
| 05/03/2012 | CA2815719A1 Wireless lance |
| 05/02/2012 | EP1491646B1 Ferritic stainless steel sheet, and method for producing the same |
| 05/02/2012 | CN202208739U Inverted mounting device realized by hydraulically lifting converter shell |
| 05/02/2012 | CN202208738U Multifunctional spraying device for primary smoke hood mouth of convertor |
| 05/02/2012 | CN202208737U Nonmetal compensator for primary smoke gas of converter |
| 05/02/2012 | CN102439387A Steel production facility |
| 05/02/2012 | CN102433515A MC5 Steel and large-sized flattening roll prepared by using the same, and manufacturing process of MC5 steel |
| 05/02/2012 | CN102433498A Q550 D high-quality structural iron medium and heavy plate and production method thereof |
| 05/02/2012 | CN102433413A Method for producing low-oxygen steel by converter |
| 05/02/2012 | CN102433412A Oxygen blowing method for 120t converter |
| 05/02/2012 | CN101775460B Electric furnace steelmaking method using 100% low-quality tunnel kiln direct reduced iron as raw material |
| 05/02/2012 | CN101713013B Method for using steel slag to produce steel |
| 05/02/2012 | CN101331375B Compensation system and method for arc skewing for a DC arc furnace |
| 05/01/2012 | CA2515778C Elevated discharge gas lift bubble pump and furnace for use therewith |
| 04/26/2012 | WO2012052303A1 Device and method for filtering supply network failures out from an electrode signal in a metallurgical electro remelting method |
| 04/26/2012 | WO2012005525A3 Device for supporting molten metal container |
| 04/25/2012 | EP2443261A1 Movable device for injecting oxygen and other materials into electric arc furnace |
| 04/25/2012 | CN202201918U 一种吹氧管连续进给机构 One kind of lance continuous feed mechanism |
| 04/25/2012 | CN202201917U 一种具有复合锥度的锥体氧枪 Composite cone having a taper oxygen lance |
| 04/25/2012 | CN202199221U Anti-leakage negative pressure water sealer for coal gas of converter |
| 04/25/2012 | CN102428336A Kiln, method for producing refractory, and refractory block |
| 04/25/2012 | CN102424936A 一种耐低温冲击的合金结构钢及其制造方法 An alloy structural steel and manufacturing method of low-temperature impact resistance |
| 04/25/2012 | CN102424934A 18CrNiMo7-6大型齿轮钢锻件制造方法 18CrNiMo7-6 large gear steel forgings manufacturing method |
| 04/25/2012 | CN102424890A Logistic system for feeding in smelting of electric furnace and feeding method thereof |
| 04/25/2012 | CN102424889A 用于自动炼钢转炉的自动投料系统及其控制方法 Auto steelmaking converter automatic feeding system and control method for |
| 04/25/2012 | CN102424888A Telescopic shifting converter sublance device and using method thereof |
| 04/25/2012 | CN102424887A Gas drying type dust removal system of converter |
| 04/25/2012 | CN102424886A Furnace protection process for decarburization converter less slag splashing |
| 04/25/2012 | CN102424885A 一种顶底复吹转炉内少渣脱碳精炼的方法 A top and bottom blowing method less slag refining the converter decarbonization |
| 04/25/2012 | CN102424884A 氧枪事故提升控制系统及其控制方法 Oxygen gun accidents lift control system and control method |
| 04/25/2012 | CN102424883A Vacuum method for producing 25CrMnB steel |
| 04/25/2012 | CN102423766A 一种碳素废钢再利用的方法 A method of recycling scrap steel Carbon |
| 04/25/2012 | CN102071280B 一种转炉气的净化方法 BOF gas purification method |
| 04/25/2012 | CN101892342B 一种转炉的化渣方法 A method of converter slag |
| 04/25/2012 | CN101804501B 汽化冷却烟道地面组对焊接整体安装施工工艺 Evaporative cooling flue ground group overall installation and construction of the welding process |
| 04/19/2012 | WO2011151143A3 Method and device for determining the time of ignition in the top-blowing process in a steel converter |
| 04/19/2012 | DE102010056117B3 Converter, useful for molten metal, comprises a mantle, a refractory lining arranged in the inner side of the mantle, and tapping channel passing through the refractory lining and mantle, which is close to filling opening |
| 04/19/2012 | DE102010049046A1 Kühlwasserführung für einen kippbaren Schmelzofen mit einem anheb- und schwenkbaren Ofendeckel Cooling water supply for a tiltable melting furnace with a raised and pivoted furnace cover |
| 04/18/2012 | EP2440872A1 Method for operating a bottom purging system of a bof converter |
| 04/18/2012 | CN202193801U 温热挤压精锻结合式氧枪喷头 Warm extrusion forging combined oxygen lance nozzle |
| 04/18/2012 | CN202193800U 测量炉膛尺寸的专用工具 Special tools to measure furnace size |
| 04/18/2012 | CN202193799U 转炉炼钢终点判断系统及控制系统 BOF endpoint judging system and control system |
| 04/18/2012 | CN202192257U 机电一体式钢包整体浇注胎模找正装置 Mechatronic Ladle the whole cast tire mold alignment device |
| 04/18/2012 | CN102418036A 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof |
| 04/18/2012 | CN102417949A 一种汽车制动部件专用材料的生产工艺 An automotive brake parts production technology of special materials |
| 04/18/2012 | CN102417948A 一种电炉炼钢废钢预热的杂质金属元素提取装置及方法 One kind of impurity EAF scrap preheating apparatus and method for extracting metal elements |
| 04/18/2012 | CN102417947A 可拆卸炉底及包括该可拆卸炉底的顶底复吹转炉 Removable bottom and includes a removable bottom of the top and bottom blowing converter |
| 04/18/2012 | CN102417946A 电除尘器用极线张紧防松防断结构 ESP polar tension with anti-lock breaking structure |
| 04/18/2012 | CN101899605B 耐磨合金铸钢的熔炼工艺 Wear-resistant alloy cast steel smelting process |
| 04/18/2012 | CN101871033B 利用瓦斯灰制作泡沫渣的方法 Foamed slag ash produced using gas method |