| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 01/02/2013 | CN102851566A Nodulizing method |
| 01/02/2013 | CN102851565A Highly wear-resistant special metal material cast steel and manufacturing method thereof |
| 01/02/2013 | CN102851564A Vacuum melting method of high-strength high-elongation alloy steel |
| 01/02/2013 | CN102851512A Method for producing iron alloy through vanadium extraction tailing reduction smelting |
| 01/02/2013 | CN102851451A Nitrogen increasing method for molten steel in tapping process |
| 01/02/2013 | CN102847891A Preparation method of medium carbon alloy steel |
| 01/02/2013 | CN102268599B Production technology of non-modulated plastic die steel thick plate |
| 01/02/2013 | CN102259168B Process for casting rope sheave of elevator |
| 01/02/2013 | CN102251169B Smelting ingredients of support |
| 01/02/2013 | CN102230120B High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof |
| 01/02/2013 | CN102220538B Sintered neodymium-iron-boron preparation method capable of improving intrinsic coercivity and anticorrosive performance |
| 01/02/2013 | CN101962727B Method for preparing sigma-phase FeV50 |
| 01/01/2013 | US8343255 Forged product and crankshaft manufactured from it |
| 12/27/2012 | WO2012176513A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176512A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176511A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 12/27/2012 | WO2012176510A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176509A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 12/26/2012 | EP2537952A1 Free-cutting stainless-steel cast product and process for producing same |
| 12/26/2012 | CN102839329A Cold-rolling double-phase-steel steel plate with tensile strength of 450 MPa, and preparation method thereof |
| 12/26/2012 | CN102839321A Ultrathin hot-rolled sheet strip with yield strength more than or equal to 500MPa level and manufacturing method thereof |
| 12/26/2012 | CN102839320A High-heat input steel plate for welding and manufacturing method thereof |
| 12/26/2012 | CN102839318A HRB600 steel bar and production method thereof |
| 12/26/2012 | CN102839316A Ultrahigh chromium grinding ball and processing process thereof |
| 12/26/2012 | CN102839256A Smelting method for obtaining high-quality metal liquid |
| 12/26/2012 | CN102836997A Metal powder sintered porous body and preparation method thereof |
| 12/26/2012 | CN102836968A Forging method of high nickel ductile iron pressure-containing member for low temperature gas compression machinery used at temperature of minus 76 DEG C to minus 121 DEG C |
| 12/26/2012 | CN102321840B Method for preparing hydrogen sulphide stress cracking-resistant steel based on current carrier control technology |
| 12/26/2012 | CN102296232B Ultrahigh-strength high-plasticity low-carbon phase change and twin crystal induced plastic hot rolled steel plate and preparation method thereof |
| 12/26/2012 | CN102220539B Production technology of high-phosphorus iron casting |
| 12/26/2012 | CN102061358B Desulfuration refining process of high-sulfur crude ferronickel |
| 12/26/2012 | CN102021500B Novel super austenite 6Mo type stainless steel |
| 12/26/2012 | CN101956135B Medium carbon alloy high-strength quenched and tempered steel plate and production method thereof |
| 12/20/2012 | WO2012172168A1 Method for improving the reduction degree in the smelting of ferroalloy |
| 12/20/2012 | CA2843210A1 Method for improving the reduction degree in the smelting of ferroalloy |
| 12/19/2012 | CN102832038A Production technology of rubidium iron boron permanent magnet |
| 12/19/2012 | CN102832008A Iron-based amorphous soft magnetic alloy material and preparation method thereof |
| 12/19/2012 | CN102832001A Iron-base multiphase magnetic alloy material and preparation method thereof |
| 12/19/2012 | CN102828123A Method for modifying centrifugal composite casting high-speed steel roll outer layer |
| 12/19/2012 | CN102828114A Ocean engineering steel plate with excellent strain ageing performance and method for manufacturing ocean engineering steel plate |
| 12/19/2012 | CN102828110A Low-cobalt nickel nanocrystalline iron-base magnetically soft alloy material and preparation method thereof |
| 12/19/2012 | CN102828109A Metastable-state phase-change plastification ultra-fine grain high-intensity plastic product steel and production method thereof |
| 12/19/2012 | CN102828105A Titanium-carbide-based steel-bonded cemented carbide material and preparation method thereof |
| 12/19/2012 | CN102828103A Alloy gray cast iron glass mould and method for producing same |
| 12/19/2012 | CN102828098A Method for increasing molten steel finishing point manganese content by adding manganese ore outside furnace |
| 12/19/2012 | CN102828097A Method for preparing nitrogen-contained ODS (oxide dispersion strengthened) nickel-free austenite alloy by mechanical alloying process |
| 12/19/2012 | CN102828055A Method for producing nickel iron from lateritic nickel ore |
| 12/19/2012 | CN102828000A Metallurgical V-N microalloying and compound deoxidation cored wire |
| 12/19/2012 | CN102827987A Spheroidizing agent as well as production method and usage thereof |
| 12/19/2012 | CN102371345B Method for casting ductile iron casting of air-conditioning compressor |
| 12/19/2012 | CN102230136B Austenitic stainless steel and manufacturing method thereof |
| 12/19/2012 | CN102127693B Method for producing hot-rolled steel coil |
| 12/19/2012 | CN102080178B Quasi-casting high toughness bainitic low-carbon ductile iron and producing method thereof |
| 12/19/2012 | CN101987348B Method for casting road roller bracket casting |
| 12/19/2012 | CN101956140B Lining plate for large ball mill and casting method thereof |
| 12/19/2012 | CN101928871B Production method of arc plank austenite nodular iron casting |
| 12/19/2012 | CN101906573B Alloy wire with wiedemann effect and preparation method thereof |
| 12/19/2012 | CN101818230B Using method of manganese boron deoxidizer |
| 12/12/2012 | CN202591593U Spheroidizing ladle with gas shield |
| 12/12/2012 | CN102822915A Method for recycling slurry, method for manufacturing rare-earth based sintered magnet, and apparatus for recycling slurry |
| 12/12/2012 | CN102822912A Rare earth sintered magnet, method for producing same, motor and automobile |
| 12/12/2012 | CN102816991A Low-temperature nitridation preparation method of iron-based rare earth permanent magnet powder |
| 12/12/2012 | CN102816979A Production method of low-carbon sulfur series free-cutting steel continuous casting billet |
| 12/12/2012 | CN102816967A Casting method of brake drum |
| 12/12/2012 | CN102816966A Ultrahigh-strength gray cast iron modifier and modification technique thereof |
| 12/12/2012 | CN102814491A High-strength gray cast iron enhancer and strengthening treatment process thereof |
| 12/12/2012 | CN102814488A Casting method for high-nickel ductile iron pressure-bearing component of -41 to -75 DEG C low-temperature gas compression machine |
| 12/12/2012 | CN102337452B Low-alloy heat-resisting cast iron and preparation method thereof |
| 12/12/2012 | CN102191423B Rare earth-alloy composite modifier applicable to wear-resistant iron-based alloy |
| 12/12/2012 | CN102134678B Copper-iron alloy material for novel energy-saving motor and preparation method thereof |
| 12/06/2012 | WO2012163274A1 Gas-burning and electric-arc dual-heating high-efficiency silicon refining furnace and heating method thereof |
| 12/05/2012 | CN202576535U Automatic instantaneous inoculation device |
| 12/05/2012 | CN202576477U High-compactness core-spun yarn |
| 12/05/2012 | CN202571269U Magnesium metal balling ladle |
| 12/05/2012 | CN202571205U Quantitative feeder for adjustable hot metal ladle lip stream inoculation agents |
| 12/05/2012 | CN102812152A Sputtering target-backing plate assembly |
| 12/05/2012 | CN102812143A Method For Preparing Ferro Molybdenum From Molybdenite |
| 12/05/2012 | CN102808140A High saturation induction density iron-based nanocrystalline magnetically soft alloy material and preparation method thereof |
| 12/05/2012 | CN102808134A Alloy steel lining plate special for large/medium-sized ball mill and production process for alloy steel lining plate |
| 12/05/2012 | CN102808127A Special inoculant for centrifugally casting thin-wall dry cylinder liner |
| 12/05/2012 | CN102808126A Vermicular graphite cast iron and manufacturing process thereof |
| 12/05/2012 | CN102808060A Vermicular agent and preparation method thereof |
| 12/05/2012 | CN102806317A Casting method of locomotive diesel engine body |
| 12/05/2012 | CN102312156B Guaranteed performance and low alloy Q345E+B steel plate of less than 60mm and production process thereof |
| 12/05/2012 | CN102277525B Method for preparing oxide dispersion reinforced stainless steel powder and stainless steel |
| 12/05/2012 | CN102181777B Stainless steel 431 smelting method |
| 12/05/2012 | CN101967599B Vermiculizer for producing vermicular cast iron cylinder sleeve by centrifugal casting and preparation method thereof |
| 12/05/2012 | CN101921945B Liquid iron inoculation process for ductile iron pipes |
| 12/05/2012 | CN101655490B Prediction method of tensile strength of stainless steel wire rod and control method thereof |
| 12/04/2012 | US8323374 Fine composite metal particles and their production method, micro-bodies, and magnetic beads |
| 11/29/2012 | WO2012161355A1 Rare earth sintered magnet, method for manufacturing rare earth sintered magnet and rotary machine |
| 11/29/2012 | WO2012161189A1 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 |
| 11/29/2012 | DE10305568B4 Verschleißfeste Legierung enthaltend Restaustenit für Ventilsitzeinsätze Wear-resistant alloy containing austenite for valve seat inserts |
| 11/28/2012 | EP2527062A1 Method for producing a rare earth sintered magnet |
| 11/28/2012 | CN102796963A Martensitic stainless steel rectangular billet continuous casting method |
| 11/28/2012 | CN102796962A Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof |
| 11/28/2012 | CN102796961A 600MPa high-performance fire-resistant aseismic reinforcing steel bar for concrete and production thereof |
| 11/28/2012 | CN102796957A Steel plate for high toughness 15CrMoR pressure container |
| 11/28/2012 | CN102796950A Production method of large-scale high strength 82B high-carbon hard wire rod |
| 11/28/2012 | CN102796947A High-grade non-oriented silicon steel with excellent magnetism and smelting method for high-grade non-oriented silicon steel |