Patents for C22C 33 - Making ferrous alloys (11,268)
07/2014
07/02/2014CN103033047B 工频炉过渡前炉及应用该过渡前炉的熔炼方法 Transition frequency furnace melting furnace and before the application of the method of transition before the furnace
07/02/2014CN102808127B 离心铸造薄壁干式缸套专用孕育剂 Centrifugal casting thin-walled private inoculant Dry Liner
06/2014
06/25/2014CN103890868A Rtb系烧结磁铁 Rtb based sintered magnet
06/25/2014CN103890867A Rtb系烧结磁体及其制造方法、以及旋转电机 Rtb based sintered magnet and its manufacturing method, and the rotating electrical machine
06/25/2014CN103882347A 高磁性元素含量的块体及条带状铁基非晶合金及制备方法 High magnetic elements in the block and banded iron-based amorphous alloy and preparation methods
06/25/2014CN103882346A R4级系泊链用钢及其制备方法 R4 mooring chain steel and its preparation method
06/25/2014CN103882342A 一种用于轧辊再制造的含硼耐磨材料及其制备工艺 A boron-resistant materials and preparation process for remanufacturing roll
06/25/2014CN103882340A 一种稀土合金钢材料及其制备方法 Rare earth alloy material and its preparation method
06/25/2014CN103882339A 一种高碳钢材料及其制备方法 A high-carbon steel material and preparation method
06/25/2014CN103882338A 一种特种耐磨低碳钢材料及其制备方法 A specialty wear-resistant low-carbon steel material and preparation method
06/25/2014CN103882337A 一种用于液压阀的耐磨合金材料及其制备方法 Wear-resistant alloy material and preparation method for hydraulic valves
06/25/2014CN103882336A 一种用于挖掘机斗齿的合金钢材料及其制备方法 Alloy material and preparation method for excavator bucket teeth
06/25/2014CN103882329A 一种用于内燃机阀门座的合金材料及其制备方法 Alloy material and preparation method for an internal combustion engine valve seat
06/25/2014CN103882327A 具有优良应变时效性能的管线用钢板及其制造方法 Strain aging pipeline has excellent performance with steel and its manufacturing method
06/25/2014CN103882326A 一种高强度耐磨装载机铲齿及其生产工艺 A high-strength wear-loader shovel teeth and its production process
06/25/2014CN103882321A 一种低碳不锈钢材料及其制备方法 A low carbon stainless steel material and preparation method
06/25/2014CN103882315A 耐硫酸露点腐蚀热连轧钢的制造方法 Sulfuric acid dew point corrosion-resistant hot strip rolling mill manufacturing methods
06/25/2014CN103882314A 一种42CrMo钢冷轧板及其生产方法 One kind of 42CrMo steel cold rolled sheet and production method
06/25/2014CN103882310A 一种耐腐蚀高碳钢合金材料及其制备方法 A high carbon steel alloy corrosion material and preparation method-resistant
06/25/2014CN103882309A 一种用于制作蜗轮的合金材料及其制备方法 An alloy material and method for making the worm
06/25/2014CN103882305A 一种抗低温应变时效脆性的超高强度船板及其生产方法 An ultra-high strength ship plate strain aging resistance to low temperature brittleness and its production method
06/25/2014CN103882303A 一种气体保护焊丝用钢的冶炼方法 A gas shielded welding wire steel smelting method
06/25/2014CN103882302A N80-q级直缝焊油套管用钢及其制造方法 N80-q-class straight seam welded steel tubing and casing and its manufacturing method
06/25/2014CN103882301A J55级低成本电阻焊石油套管用钢及其制造方法 J55 class of low-cost electric resistance welded steel oil casing and its manufacturing method
06/25/2014CN103882300A 一种160MPa高性能建筑结构用软钢及其制造方法 One kind of 160MPa high performance building structure made of mild steel and its manufacturing method
06/25/2014CN103882293A 无取向电工钢及其生产方法 Non-oriented electrical steel and production methods
06/25/2014CN103882291A 一种高硅冷轧无取向电工钢及其制备方法 A high-cold-rolled non-oriented silicon electrical steel and its preparation method
06/25/2014CN103882289A 用一般取向钢原料制造高磁感冷轧取向硅钢的生产方法 Manufacture of cold rolled grain oriented silicon steel with high magnetic induction method of producing steel materials with the general orientation
06/25/2014CN103882288A 一种高强度专用冷轧无取向电工钢及其生产方法 A high-strength special cold-rolled non-oriented electrical steel and production methods
06/25/2014CN103882287A 小口压吹玻璃模具材料及其制备方法 Small mouth blown glass mold press material and preparation method
06/25/2014CN103882286A 二板式注塑机用百吨级球墨铸铁模板铸件的铸造方法 Two plate injection molding machine with 100 tons of ductile iron castings template method
06/25/2014CN103882284A 一种磁性不锈钢材料及其制备方法 A magnetic stainless steel material and preparation method
06/25/2014CN103882283A 船舶发动机气缸套材质及其制造方法 Ship engine cylinder liner material and its manufacturing method
06/25/2014CN103882282A 百吨级铁素体球墨铸铁件铁液及其制备方法 Ferritic 100 tons of liquid iron and ductile iron castings preparation
06/25/2014CN103882281A 无磁铸铁 Non-magnetic iron
06/25/2014CN103882280A 高镍奥氏体球铁用球化剂及其制备和使用方法 High nickel austenitic ductile iron with nodulizer their preparation and use
06/25/2014CN103882279A 一种高强度灰铸铁件的熔炼方法 Smelting process a high-strength gray iron castings
06/25/2014CN103882278A 碳化硅基球墨铸铁专用复合变质剂 SiC-based ductile special compound modifier
06/25/2014CN103882277A 采用富氧顶底双吹两步法精炼镍铬合金的工艺 Use of oxygen-rich top and bottom double blow two-step process of refining nickel-chromium alloy
06/25/2014CN103882180A 一种不锈钢预溶液的制造方法 One kind of method for manufacturing the stainless steel pre-solution
06/25/2014CN103882175A 一种铁水生产两种牌号低温球铁的方法 Low-temperature molten iron produces two grades of ductile iron approach
06/25/2014CN103882173A 蠕墨铸铁同包蠕化率10%-90%的可控方法 Compacted graphite iron with bag creep rate 10% -90% of the controllable method
06/25/2014CN102884210B 球化处理方法 Ball handling methods
06/25/2014CN102851564B 一种高强塑积合金钢的真空熔炼方法 A high strength plastic alloy steel vacuum melting method plot
06/25/2014CN102796945B 建筑用hpb300热轧盘条钢筋及其制备 Preparation of construction steel and hot-rolled wire rod hpb300
06/25/2014CN101736190B 合金奥贝球铁蜗轮及其制备工艺 Co-Jin Aobei ductile iron worm gear and preparation process
06/18/2014CN203657486U 一种铸铁管生产中的硅铁加料设施 One kind of cast iron pipe in the production of ferrosilicon feeding facilities
06/18/2014CN103875047A Rare earth permanent magnet and method for producing rare earth permanent magnet
06/18/2014CN103875046A Thin r-t-b alloy, r-t-b based sintered magnet, and production method for same
06/18/2014CN103875045A R-t-b alloy flakes, r-t-b sintered magnet, and production method therefor
06/18/2014CN103875044A Sintered body of rare-earth magnet precursor, and manufacturing method for fine magnetic powder for forming sintered body
06/18/2014CN103874771A Balling processing method of nodular cast iron
06/18/2014CN103871705A Praseodymium iron boron nitrogen phosphorus permanent magnet material and preparing method thereof
06/18/2014CN103871704A Praseodymium iron nitrogen phosphorus permanent magnet material and preparing method thereof
06/18/2014CN103871703A Praseodymium neodymium iron boron permanent magnet material and preparing method thereof
06/18/2014CN103871702A Praseodymium neodymium iron boron nitrogen permanent magnet material and preparing method thereof
06/18/2014CN103871701A High-residual-magnetic-flux-density praseodymium iron phosphorus permanent magnet material and preparing method thereof
06/18/2014CN103866204A Large-strain X80 dual-phase steel plate produced by virtue of process at low temperature and under high pressure
06/18/2014CN103866203A Seamless steel pipe for large-aperture high-strength bridge and TMCP production method thereof
06/18/2014CN103866199A Steel plate used for ocean energy equipment and preparation process of steel plate
06/18/2014CN103866193A 8Cr15 stainless strip steel and manufacturing method thereof
06/18/2014CN103866192A Low-resistivity steel and manufacturing method thereof
06/18/2014CN103866190A Low-brittleness 650MPa-grade steel for automotive beams and preparation method thereof
06/18/2014CN103866184A Preparation method for iron-based composite material
06/18/2014CN103866179A High product of strength and elongation alloy steel in columnar crystal/isometric crystal composite crystal structure and preparation method thereof
06/18/2014CN103866177A High-strength-and-toughness cast iron heavy-duty automobile brake drum and making technology thereof
06/18/2014CN103866128A Method of directly producing aluminum iron alloy by using carbothermy reduced aluminium metallurgy red mud
06/18/2014CN103866073A Molding mold for manufacturing nodulizing agent alloy ingot and method for manufacturing nodulizing agent alloy ingot
06/18/2014CN103862000A Vertical parting horizontal pouring casting technology for end cover casting core shell
06/18/2014CN102978539B Burdening and preparation method for columnar crystal alnico permanent magnet alloy
06/18/2014CN102876970B Steel with yield strength larger than or equal to 390 MPa for high-rise buildings and production method of steel
06/18/2014CN102776448B Alloy grinding ball and production method thereof
06/18/2014CN102758130B Axle steel used for railway car and production process thereof
06/18/2014CN102728794B Composition of nodulizer and inoculant special for large-section bulb iron roll
06/18/2014CN102712034B Inoculation procedure and device
06/18/2014CN102576589B Permanent magnet and manufacturing method for permanent magnet
06/18/2014CN102485931B Magnetic cast iron and casting process of casting made of the material
06/18/2014CN102361997B Iron vanadium powder alloy
06/12/2014WO2014087031A1 Method for the powder-metallurgical production of magnetic cores
06/11/2014CN103858190A Manufacturing method for magnetic powder for forming sintered body of rare-earth magnet precursor
06/11/2014CN103858185A R-T-B based sintered magnet and production method for same, and rotary machine
06/11/2014CN103857807A Method for producing spheroidal graphite cast iron and vehicle component using said spheroidal graphite cast iron
06/11/2014CN103854819A Hybrid film coating method of neodymium iron boron rare earth permanent magnet device
06/11/2014CN103849818A Wear-resisting cast steel and preparation method thereof
06/11/2014CN103849816A Flexible anti-bulging tinning plate suitable for flower basket barrel and manufacturing method of flexible anti-bulging tinning plate
06/11/2014CN103849809A Method for adding holmium into neodymium iron boron
06/11/2014CN103849808A Heavy vehicle brake drum and manufacturing method thereof
06/11/2014CN103849711A Production method of aluminium deoxidation 20 Cr steel
06/11/2014CN103849710A Method for producing high-carbon-chromium bearing steel employing molten iron smelting process of electric furnace
06/11/2014CN103846399A Device and method for manufacturing amorphous alloy foil sheet
06/11/2014CN103846391A Production method of traction sheave of elevator
06/11/2014CN102965571B Powder metallurgy method for pump body of hydraulic pump
06/11/2014CN102912222B 18MND5 low-alloy structural steel for nuclear power and technical control method for 18MND5 low-alloy structural steel
06/11/2014CN102644031B Hot rolling container steel without punctiform surface defect and manufacturing method thereof
06/11/2014CN102242314B Multiple alloy toughened and wear-resistant middle-manganese steel and preparation technology thereof
06/11/2014CN102206787B Low-roll-force gas-transmission pipeline steel and production method thereof
06/04/2014CN103843081A Rare earth permanent magnet and production method for rare earth permanent magnet
06/04/2014CN103839645A Neu flux core material with permeability being 50 and preparing method thereof
06/04/2014CN103839643A Neu flux core material with permeability being 26 and preparing method thereof
06/04/2014CN103839642A Neu flux core material with permeability being 75 and preparing method thereof
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