Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
12/2014
12/10/2014CN103468881B 一种提高rh插入管寿命的方法 Rh A method for increasing the life of the insertion tube
12/10/2014CN103343179B 一种转炉炼钢合成造渣剂 Synthesis converter steelmaking slag agent
12/10/2014CN103205534B 一种降低钢中Ca含量的冶炼方法 A steel smelting method of reducing the Ca content
12/10/2014CN103160648B Lf炉冶炼超低碳钢的方法 Lf low carbon steel smelting furnace method
12/10/2014CN103114248B 一种钻具用钢以及冶炼钻具用钢的方法 As well as a method for smelting steel drill steel drill
12/10/2014CN102787206B 控制中碳含铬模具钢钢锭中氮含量的冶炼方法 Control of carbon chromium steel ingot mold nitrogen content smelting method
12/04/2014US20140352496 Briquette for producing a foamed slag effect in eaf technology in stainless steel production
11/2014
11/18/2014US8888075 Device for adding fluid to a liquid
11/11/2014US8882880 Method for controlling extremely low Ti in extra low carbon AlSi-killed steel
11/04/2014US8876934 Apparatus and method for electromagnetic stirring in an electrical arc furnace
10/2014
10/30/2014US20140318314 Method For Melting Steel
10/28/2014US8871004 Methods for agglomerating ores
10/02/2014WO2014157215A1 Steel plate with excellent hydrogen-induced cracking resistance and toughness of the weld heat affected zone, and steel tube for use as line pipe
10/02/2014WO2014156942A1 Process for manufacturing maraging steel and method for refining inclusions
09/2014
09/30/2014US8846152 Antioxidant agent and process for producing metallic material
09/25/2014DE102013102273A1 Verfahren zum Erzeugen eines kaltgewalzten Stahlflachprodukts für Tiefzieh- und Abstreckziehanwendungen, Stahlflachprodukt und Verwendung eines solchen Stahlflachprodukts A method of producing a cold-rolled flat steel product for thermoforming and Abstreckziehanwendungen, flat steel product and use of such a flat steel product
09/18/2014WO2014142699A1 Method for double alloying and nanophase modification of steel by atomic nitrogen
09/18/2014WO2014142060A1 H-shaped steel and process for manufacturing same
09/18/2014US20140271330 Method for producing spheroidal graphite cast iron and vehicle component using said spheroidal graphite cast iron
09/18/2014US20140265068 System and method for component maintenance
09/18/2014US20140260804 Alloy refining methods
09/16/2014US8834747 Compositions containing tin nanoparticles and methods for use thereof
09/16/2014CA2842768C Environmentally friendly flux for molten steel desulfurization
09/09/2014US8828310 Flow control device
09/04/2014WO2014133447A1 Iron and niobium containing agglomerates
09/03/2014EP2772559A1 Steel sheet
09/03/2014EP2772554A1 Method for smelting high-aluminum-low-silicon ultrapure ferritic stainless steel
08/2014
08/27/2014EP2770077A1 Bearing steel and method for producing same
08/27/2014EP2770067A1 Steel production converter processes using inert gas
08/27/2014EP2768988A2 Desulfurization agent containing bitumen, a process for making and use thereof
08/14/2014US20140224069 Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residue
08/14/2014DE102013208079A1 Verfahren zum Betrieb einer Sauerstoffblaslanze in einem metallurgischen Gefäß und Messsytem zur Ermittlung dabei verwendeter Messsignale Method for operating an oxygen blowing lance in a metallurgical vessel and measuring system for determining thereby utilized measuring signals
08/13/2014CN203768397U 一种用于真空脱气冶炼炉的抽真空系统 A vacuum degassing smelting furnace vacuum system
08/13/2014CN203768396U 一种高温液体用粉状保温材料的撒布机构 A high-temperature insulation materials powdered liquid spreading mechanism
08/13/2014CN203768395U 一种用于炼钢的电磁搅拌器 An electromagnetic steel stirrer
08/13/2014CN203764624U 开合式除尘烟罩装置 Retractable dust hood device
08/13/2014CN103981440A 一种700MPa级耐工业大气腐蚀型马氏体钢板及其制备方法 One kind of 700MPa grade industrial atmospheric corrosion resistant martensitic steel type and preparation method
08/13/2014CN103981425A 一种硅钛铝氮化材料、其制备方法及应用 A silicone titanium aluminum nitride material, its preparation method and application
08/13/2014CN103981336A 一种真空室下出形式的rh工艺布置方法 A vacuum chamber under a form of rh process layout method
08/13/2014CN103981335A 一种含钒铁水提钒脱磷剂 Vanadium containing iron vanadium dephosphorizer
08/13/2014CN103981334A 一种kr法炼钢脱硫钢水液面检测系统 One kind of steel desulfurization kr law molten liquid level detection system
08/13/2014CN103981333A 一种非铝脱氧钢用铁锰镁合金脱氧剂的制备方法 A process for producing a non-aluminum killed steel with magnesium alloy of iron and manganese deoxidizer
08/13/2014CN103981332A 一种铝钡线及其生产工艺 An aluminum barium lines and production processes
08/13/2014CN103981331A 化渣蓄热球 Slag regenerative ball
08/13/2014CN103981328A 氩氧脱碳转炉烟气余热热电冷三联产及除尘系统 Argon-oxygen decarbonization converter waste heat trigeneration and dust removal system
08/13/2014CN102653842B 铸钢破碎机锥形衬板及其制作方法 Cast cone crusher liner and its production method
08/13/2014CN101541941B 用于在不供给电能的情况下在生铁的基础上进行不锈钢制造的方法和装置 The method and apparatus in the case where electric power is not supplied will be of stainless steel on the basis of iron for
08/12/2014CA2842587A1 Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residue
08/06/2014CN203754760U Rh精炼炉真空处理工位切换装置 Rh refining furnace vacuum treatment station switching device
08/06/2014CN203754759U 一种真空精炼炉漏钢报警装置 A vacuum refining furnace breakout alarm device
08/06/2014CN203754758U Lf精炼炉滑电极装置 Lf slip refining furnace electrode means
08/06/2014CN103966509A 一种耐海洋环境腐蚀的钢板及其制备方法 A steel plate and a preparation method of corrosion resistant marine environment
08/06/2014CN103966507A 一种屈服强度275MPa级特厚耐低温热轧H型钢及其生产方法 A strength of 275MPa grade special thick low temperature hot-rolled H-beam and production methods yield
08/06/2014CN103966453A 一种利用电解铝废渣生产预熔型铝酸钙的方法 A use of aluminum waste pre-production method-acting calcium aluminate
08/06/2014CN103966402A 用于钢水脱硫的rh真空精炼系统及脱硫方法 Rh vacuum refining of molten steel desulfurization system and method for desulfurization
08/06/2014CN103966401A 一种新型隔热挡板 A new thermal baffle
08/06/2014CN103966400A 一种利用rh精炼炉脱磷的方法 A refining furnace Dephosphorization rh Methods
08/06/2014CN103966399A 一种半钢冶炼中碳钢的方法 A semi-carbon steel smelting method
08/06/2014CN103966398A 一种利用氧化铁生产铁酸钙的方法 An iron and calcium oxide production methods use
08/06/2014CN103966397A 一种利用金属钙渣生产预熔型铝酸钙的方法 A use of calcium metal slag pre-production method-acting calcium aluminate
08/06/2014CN103966396A 复合氮合金包芯线及其制备方法 Complex nitrogen alloy cored wire and preparation method
08/06/2014CN103966395A 铝镇静钢浇余渣在不锈钢生产中的利用方法 Aluminum killed steel slag poured over the use of the method in the production of stainless steel
08/06/2014CN103966388A 一种缩短纯吹氧时间的半钢转炉炼钢的方法 A method for improving the time and a half of pure oxygen blowing steel converter steelmaking method
08/06/2014CN103966386A 一种帘线钢的少渣冶炼工艺 A small residue of smelting process of steel cord
08/06/2014CN103966385A 一种利用返回料冶炼mc5轧辊的工艺 A use of the return feed smelting process mc5 roll
08/06/2014CN103966384A 匹配软氮化的底合金高强度灰铸铁熔炼方法 Matching soft nitriding bottom alloy high strength gray iron smelting method
08/06/2014CN103415637B 拉丝性和拉丝后的疲劳特性优异的高碳钢线材 Fatigue properties and drawing after drawing superior high carbon steel wire
08/06/2014CN103266198B 一种rh钢水精炼用喷粉脱硫机构 Rh steel refining one kind of institution with a dusting desulfurization
08/06/2014CN103205522B 一种半钢冶炼普碳钢的方法 A semi-plain carbon steel smelting method
08/06/2014CN103045805B 一种低成本的铁水保温剂及其制造方法 Iron insulation agent and method of manufacturing a low-cost
08/06/2014CN102943219B 一种节镍含锰氮硼奥氏体不锈钢的制造方法 Manufacturing method of a nickel-manganese-boron nitrogen austenitic stainless steel
08/06/2014CN102925628B 铁水脱硫方法 Hot metal desulfurization method
08/06/2014CN102912085B 提高气氧精炼转炉和LF炉渣MgO含量的不锈钢冶炼方法 Improve gas oxygen converter and LF refining slag MgO content of stainless steel smelting method
08/06/2014CN102851453B 一种异型坯钢水冶炼用复合精炼渣及其制备方法与应用 One kind of beam blanks molten slag smelting and refining complex preparation method and application
07/2014
07/30/2014CN203741367U 一种新型倒t形脱硫喷枪 A new inverted t-shaped desulphurization lance
07/30/2014CN203741366U 一种喂线机用机内进线检测装置 A feed line into the machine with the machine line detection device
07/30/2014CN203741361U 脱硫喷枪plc控制系统 Desulfurization gun plc control system
07/30/2014CN103952636A 冷轧热镀锌用热轧带钢生产工艺 Cold rolled galvanized hot-rolled strip steel production process
07/30/2014CN103952518A 一种减少Ni-Cr-Fe电热合金非金属夹杂物的方法 A method of reducing Ni-Cr-Fe alloy metallic inclusions electric methods
07/30/2014CN103952517A 含钒铬铁水的处理方法及高铬型钒钛磁铁精矿的冶炼方法 Treatment of water containing vanadium ferrochrome and high-chromium vanadium-titanium magnetite concentrate smelting method
07/30/2014CN103952516A 一种铁水脱硫剂及铁水真空脱硫方法 One kind of molten hot metal desulphurization agents vacuum desulfurization method
07/30/2014CN103952515A 一种高铁赤泥用作炼钢造渣剂/脱磷剂的回收再利用方法 Recycling of red mud used as a high-speed rail steel slagging agent / dephosphorizer recycling method
07/30/2014CN103952514A Al基复合脱氧剂及其制备方法和应用 Al-based composite deoxidizer its preparation method and application
07/30/2014CN103952513A 一种复合冶金优化质变剂及其优化质变方法 A composite metallurgical optimization and optimization of qualitative methods qualitative change agent
07/30/2014CN103952512A 一种制备钒氮合金的方法 A method of preparing vanadium nitride
07/30/2014CN103952511A 一种高强钢钢水氮含量控制方法 A high strength steel molten nitrogen content control method
07/30/2014CN103225008B 冶炼含钛不锈钢过程防止结晶器内结块及水口结瘤的方法 Titanium-containing stainless steel smelting process to prevent caking and the mold Clogging methods
07/30/2014CN103014239B 一种300系不锈钢中er308l钢种的生产方法 Method for producing a 300 series stainless steel grades in er308l
07/30/2014CN103014236B 在铁水罐内施行的双模式脱磷方法 In the method of hot metal dephosphorization tank dual-mode implementation of the
07/30/2014CN102978538B 一种生产Ⅱ级热轧螺纹钢筋的冶炼工艺 A production grade Ⅱ smelting process of hot-rolled rebar
07/30/2014CN102851473B 一种电站锅炉汽包用大厚度sa299钢板的生产方法 One kind of power station boiler drum with a large thickness sa299 steel production methods
07/30/2014CN102796846B 一种炼钢用复合包芯线的制备方法 A method of producing a composite steel cored wire
07/24/2014WO2014111901A2 An efficient process in the production of iron and steel from iron ore
07/24/2014WO2014082842A3 Spreading device for bulk material on a circular surface and method for operating the same
07/23/2014CN203728876U 一种用于真空脱气炉的上加料机构 The feed mechanism for a vacuum degassing furnace
07/23/2014CN203728875U 一种铁水罐测净空装置 An iron tank clearance measurement device
07/23/2014CN203728874U 一种包芯线 One kind of cored wire
07/23/2014CN203728873U 带有质量检测装置的包芯线成型设备 Cored wire with mass detection device molding equipment
07/23/2014CN203728872U 带有下粉量精确控制装置的包芯线成型设备 Cored wire forming equipment under the precise control of the amount of powder unit with the
07/23/2014CN203725523U 带有包芯线清洁及铁屑收集装置的包芯线成型设备 With cored wire cleaning and cored wire scrap collecting device molding equipment
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