| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 06/27/2013 | WO2013094605A1 Fe-Pt-BASED SPUTTERING TARGET IN WHICH C PARTICLES ARE DISPERSED |
| 06/26/2013 | EP2608224A1 Rare earth-iron-nitrogen system alloy material, method for producing rare earth-iron-nitrogen system alloy material, rare earth-iron system alloy material, and method for producing rare earth-iron system alloy material |
| 06/26/2013 | EP2606959A1 Oxygen absorber and method for storing same |
| 06/26/2013 | EP2272619B1 Iron-base heat- and corrosion-resistant brazing filler metals |
| 06/26/2013 | CN103180917A Rare earth-iron-nitrogen system alloy material, method for producing rare earth-iron-nitrogen system alloy material, rare earth-iron system alloy material, and method for producing rare earth-iron system alloy material |
| 06/26/2013 | CN103180069A Component made of an iron-based sinter-alloy having reduced metal adhesion |
| 06/26/2013 | CN103173692A High-temperature alloy, alloy hood manufactured from same and manufacturing technology of alloy hood |
| 06/26/2013 | CN103173687A Nickel-free economic double-phase stainless steel and its making method |
| 06/26/2013 | CN103173683A Alloy micropowder electromagnetic wave absorbent and preparation method thereof |
| 06/26/2013 | CN103173682A Hot rolled strip for conveying concrete and manufacturing method thereof |
| 06/26/2013 | CN103173679A 100mm Q460qE bridge steel plate and production method thereof |
| 06/26/2013 | CN103173676A Method for generating nitrogenous ferrovanadium alloy through utilizing ferrovanadium electric-arc furnace |
| 06/26/2013 | CN103173675A Preparation method of ferrum-aluminum titanium carbide composite material |
| 06/26/2013 | CN103170797A Compound extrusion preparation method of large-diameter high-quality tube blank or annular blank |
| 06/26/2013 | CN102534377B X70-degree large deformation resisting pipeline steel plate with excellent tenacity and preparation method for pipeline steel plate |
| 06/26/2013 | CN102409265B Alloy steel for rail frog |
| 06/26/2013 | CN102337448B Raw material composition for producing high-performance nodular cast iron valve and production method thereof |
| 06/26/2013 | CN102260826B High temperature resistant martensitic stainless steel and production method thereof |
| 06/20/2013 | WO2013087627A1 Fe-based soft magnetic glassy alloy material |
| 06/19/2013 | CN103160751A A bulb steel with a yield strength of 590MPa grade and a production method thereof |
| 06/19/2013 | CN103160745A Large-tonnage high-Ta low-activation martensitic steel for nuclear fusion reactor and manufacturing method thereof |
| 06/19/2013 | CN103160738A Low-cost boron-containing steel and manufacturing method thereof |
| 06/19/2013 | CN103160729A Medium-carbon microalloyed steel for engineering machinery caterpillar chain piece and production process thereof |
| 06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
| 06/19/2013 | CN103160727A Low-temperature high-tenacity nodular cast iron bearing block and manufacturing method thereof |
| 06/19/2013 | CN103160726A Carbon-iron alloy for recarburization and manufacture method thereof |
| 06/19/2013 | CN102676906B Preparation method of compacted graphite cast iron |
| 06/19/2013 | CN102586670B Iron-based composite material reinforced by in-situ titanium carbide grains and preparing method thereof |
| 06/19/2013 | CN102443734B Non-oriented electrical steel plate without corrugated defect and its manufacturing method |
| 06/19/2013 | CN102418034B Production method for high-grade non-oriented silicon steel |
| 06/19/2013 | CN102409240B Hydrogen sulfide corrosion-resistant steel for petroleum drill rod and manufacturing method for hydrogen sulfide corrosion-resistant steel |
| 06/19/2013 | CN102392193B Extra thick quenched and tempered steel plate for ocean platform tooth bar and production method thereof |
| 06/19/2013 | CN102383055B Production method for reducing titanium content in high-carbon chromium bearing steel |
| 06/19/2013 | CN102352454B Al-Fe alloy with low H, N and O element contents and preparation method thereof |
| 06/19/2013 | CN102345066B Steel used for pressure container and preparation method thereof |
| 06/19/2013 | CN102268584B Controllable blanking hole inoculation device for casting ladle inoculation and attaching method thereof |
| 06/19/2013 | CN102102161B Sintered valve guide and a method of making same |
| 06/19/2013 | CN102011062B Easy-cutting gear steel and smelting method thereof |
| 06/19/2013 | CN101680063B Iron-based powder and composition thereof |
| 06/19/2013 | CN101275567B Powder metal scrolls |
| 06/12/2013 | CN103153504A Alloy material for R-T-B system rare earth permanent magnet, method for producing R-T-B system rare earth permanent magnet, and motor |
| 06/12/2013 | CN103147019A Casting method of cold working die module |
| 06/12/2013 | CN103147012A Copper nickel alloy steel and production process thereof |
| 06/12/2013 | CN103147009A N80Q steel-grade oil casing and manufacture method thereof |
| 06/12/2013 | CN103147008A Cold-work mould steel material and alloy modifying agent |
| 06/12/2013 | CN103147007A Chromium-copper alloy steel |
| 06/12/2013 | CN103147003A Niobium-containing pressure-bearing seamless steel tube and preparation method thereof |
| 06/12/2013 | CN103146997A Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
| 06/12/2013 | CN103146996A Large-expansion steel for seamless steel tube and preparation method thereof |
| 06/12/2013 | CN103146994A Steel wire rod with a length of greater than or equal to 500 mm used for long-fibered steel wools and production method thereof |
| 06/12/2013 | CN103146993A Heat-resistant neodymium iron boron material and preparation method thereof |
| 06/12/2013 | CN103146990A High-silicon-molybdenum-chromium spheroidal graphite cast iron material for automobile turbine housings and preparation method thereof |
| 06/12/2013 | CN103146989A Centrifugal casting method of chromium-containing high silicon cast iron anode tube |
| 06/12/2013 | CN103146988A Highly thermal-fatigue resistant alloy and spheroidal graphite cast iron glass mold material and preparation method thereof |
| 06/12/2013 | CN103146987A Processing method for improving mechanical property of casting |
| 06/12/2013 | CN103146986A Spheroidal graphite cast iron low-silicon spheroidizing agent and application thereof |
| 06/12/2013 | CN103146985A Inoculant for ferritic nodular cast iron and preparation method of inoculant |
| 06/12/2013 | CN103146984A High-intensity gray pig iron inoculator and preparation method thereof |
| 06/12/2013 | CN103146983A Method for producing nickel-containing steel by utilizing crude nickel-iron |
| 06/12/2013 | CN103146982A Method for preparing Fe-Ga-In-Tb alloy bar by filtering and undercooling ceramic |
| 06/12/2013 | CN103146981A Method for smelting ferritic stainless steel by dephosphorized molten iron |
| 06/12/2013 | CN103146980A Phosphorus controlling process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method |
| 06/12/2013 | CN103146979A Production process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method |
| 06/12/2013 | CN103146978A Method for producing high-chromium low-phosphorus electroslag steel for rollers |
| 06/12/2013 | CN103143704A Mn-containing iron-based premix for powder metallurgy and preparation method thereof |
| 06/12/2013 | CN102814491B High-strength gray cast iron enhancer and strengthening treatment process thereof |
| 06/12/2013 | CN102477515B Method for preparing high-strength lead-free free cutting steel |
| 06/12/2013 | CN102477473B Method for controlling boron content of boron-containing steel smelted by vacuum induction furnace |
| 06/12/2013 | CN102465239B Method for increasing sulfur yield of high sulfur stainless steel |
| 06/12/2013 | CN102465238B Method for reducing stainless steel welding wire blank material hot-rolled corner crack defect |
| 06/12/2013 | CN102433494B High-strength low-stress cast iron material and preparation process thereof |
| 06/12/2013 | CN102424930B Manufacturing technology for chilled cast iron part |
| 06/12/2013 | CN102345061B Q690D quality structural medium steel plate and production method thereof |
| 06/12/2013 | CN102296225B Preparation method of sintered lead-free free-machining steel |
| 06/12/2013 | CN102230122B Production method of nodular cast iron |
| 06/12/2013 | CN102041437B 160mm-thick Q345E-Z35 steel plate for high-rise buildings and production method thereof |
| 06/12/2013 | CN102002635B Steel for pressure container in thick specification and preparation method thereof |
| 06/12/2013 | CN101981634B R-T-B-type sintered magnet and method for production thereof |
| 06/12/2013 | CN101896625B Method for producing a steel melt containing up to 30% of manganese |
| 06/06/2013 | WO2013082221A1 High modulus wear resistant gray cast iron for piston ring applications |
| 06/06/2013 | WO2013080605A1 Rare-earth sintered magnet |
| 06/05/2013 | EP2599885A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 06/05/2013 | CN202973836U Rotary kiln for producing ferronickel from Indonesia Sulawesi nickel laterite ore through RKEF (rotary kiln-electric furnace) technical processing |
| 06/05/2013 | CN202968665U Core-spun yarn for nitrogen alloying |
| 06/05/2013 | CN202968590U Single-jet magnesia mixture molten iron desulfurization spray gun |
| 06/05/2013 | CN202966961U Feeding bag capable of preventing raw material burning loss from occurring in smelting process |
| 06/05/2013 | CN103140903A R-t-b sintered magnet manufacturing method |
| 06/05/2013 | CN103140902A Method for producing r-t-b sintered magnet |
| 06/05/2013 | CN103133481A Method for manufacturing abrasion-resistant foundation bolt |
| 06/05/2013 | CN103131964A Method for improving as-cast structure homogeneity of X12CrMoWVNbN10-1-1 martensitic stainless steel |
| 06/05/2013 | CN103131957A Tool steel material for hedge trimmer blades and preparation method thereof |
| 06/05/2013 | CN103131956A High-strength steel plate with tensile strength of 800 MPa above and manufacturing method thereof |
| 06/05/2013 | CN103131945A Boron-containing low-carbon bainite cylinder jacket and preparation method thereof |
| 06/05/2013 | CN103131944A Wear-resistant cast iron piece and preparation method thereof |
| 06/05/2013 | CN103131943A Cylinder sleeve material for abrasion-resistant automobile and blank molding method |
| 06/05/2013 | CN103131942A Vermicular graphite cast iron with high percent of vermiculation of combustion motor cylinder body and cylinder cover and preparation method |
| 06/05/2013 | CN103131938A Metal type rare earth microalloyed D-type graphite cast iron glass mould and preparation method thereof |
| 06/05/2013 | CN103131937A Carbide-containing isothermal quenching nodular cast iron and preparation method thereof |
| 06/05/2013 | CN103131936A Vehicle brake drum and manufacture craft thereof |
| 06/05/2013 | CN103131935A REFeSiCa alloy used to be added in steel, and manufacturing method thereof |