| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 09/11/2013 | CN103290312A Production method for increasing work hardening value of 440MPa-level carbon structural steel |
| 09/11/2013 | CN103290303A Method for preparing high-strength wear-resistant material for concrete pump truck elbow |
| 09/11/2013 | CN103290300A Casting method of thick large section ferrite nodular cast iron |
| 09/11/2013 | CN103290299A Vanadium-titanium nodular cast iron smelting method |
| 09/11/2013 | CN102690986B Smelting method for medium-thin wall cast-state nickel-free low-temperature ductile cast iron |
| 09/11/2013 | CN102534422B Manufacturing method of corrosion-resistant steel tubes for natural gas conveying pipelines |
| 09/11/2013 | CN102534352B Production method of spheroidal graphite cast iron for hydraulic parts and prepared spheroidal graphite cast iron |
| 09/11/2013 | CN102251167B Manufacture method of slip sheet of air conditioner compressor |
| 09/06/2013 | WO2013127905A1 Pm automotive component and its manufacture |
| 09/04/2013 | CN103282976A 磁性体 Magnetic body |
| 09/04/2013 | CN103282527A Iron based powders for powder injection molding |
| 09/04/2013 | CN103276316A Austenitic stainless steel and manufacturing method thereof |
| 09/04/2013 | CN103276312A High-strength steel plate having extra thickness of 80-120mm and method for producing same from continuous casting billet |
| 09/04/2013 | CN103276310A Rare-earth-containing H-shaped steel with low-temperature toughness and production method thereof |
| 09/04/2013 | CN103276308A Rare earth-containing high-strength atmospheric corrosion-resistant seamless steel pipe and production method thereof |
| 09/04/2013 | CN103276306A Method for controlling billet flat bulb steel rolling cracks |
| 09/04/2013 | CN103276305A Preparation process of austenitic stainless steel pipe of high-sulfur-resisting petroleum casing |
| 09/04/2013 | CN103276303A High strength chain steel for mine, and preparation method thereof |
| 09/04/2013 | CN103276300A Copper-containing antibacterial stainless steel and preparation method thereof |
| 09/04/2013 | CN103276293A Production method of excellent hydrogen induced cracking resistant pipeline steel plate |
| 09/04/2013 | CN103276289A Production process of 07MnNiVDR steel plate |
| 09/04/2013 | CN103276288A Nickel, iron and aluminum composite wire and manufacturing method thereof |
| 09/04/2013 | CN103276287A Cold-rolled steel strip for high-drawing-performance flux-cored wire, and making method thereof |
| 09/04/2013 | CN103276286A Production method of X80 pipeline steel strip with thickness of 6-10 mm |
| 09/04/2013 | CN103276285A Production method of X80 pipeline steel strip with thickness of 10-16 mm |
| 09/04/2013 | CN103276284A Preparation method for low dysprosium heat-resistant sintered neodymium-iron-boron |
| 09/04/2013 | CN103276280A Vanadium-titanium high-chromium alloy ball and its manufacturing method |
| 09/04/2013 | CN103276279A Medium chromium alloy cast ball for mine grinding ore and processing technology thereof |
| 09/04/2013 | CN103276278A Smelting reduction furnace used for smelting laterite-nickel ore |
| 09/04/2013 | CN103276154A Preparation method, secondary refining method and refining agent of PMHSS (powder metallurgy high speed steel) |
| 09/04/2013 | CN103276150A Spring steel preparation method for controlling spherical oxide inclusions |
| 09/04/2013 | CN103276148A Method for reducing influence of casting residue recovery on LF liquid steel carburization |
| 09/04/2013 | CN103272669A Ball mill liner plate and casting process thereof |
| 09/04/2013 | CN102787199B Vermicularizing agent partner |
| 09/04/2013 | CN102534354B Alloy gray cast iron piston ring as well as manufacturing method and special template thereof |
| 09/04/2013 | CN102453829B Free-machining pinion steel smelting method and free-machining pinion steel |
| 09/04/2013 | CN102400048B Cold work roll steel for high-strength steel rolling, cold work roll and its manufacturing method |
| 09/04/2013 | CN102367537B High strength and toughness as-cast nodular cast iron and its production method |
| 09/04/2013 | CN101812641B Ferrite stainless steel |
| 09/03/2013 | US8524017 Process or manufacturing components obtained by sintering of Co-Cr-Mo alloys having improved ductility at high temperatures |
| 08/29/2013 | WO2013126623A1 Improved lubricant system for use in powder metallurgy |
| 08/28/2013 | CN203159691U A compound converting furnace for production of medium/low-carbon ferromanganese |
| 08/28/2013 | CN103270554A Fe-pt-based sputtering target with dispersed c grains |
| 08/28/2013 | CN103266286A High-alumina 316L stainless steel and preparation method thereof |
| 08/28/2013 | CN103266280A Steel for wear-resistant die and production method of steel |
| 08/28/2013 | CN103266279A Rare earth containing H profile steel with high strength and high toughness and production method thereof |
| 08/28/2013 | CN103266278A Quenching and tempering type pipe line steel plate and production method thereof |
| 08/28/2013 | CN103266277A High-alumina 2205 stainless steel and preparation method thereof |
| 08/28/2013 | CN103266275A Boron-containing high-silicon case steel material and isothermal quenching method |
| 08/28/2013 | CN103266271A Powder metallurgical formula and technology |
| 08/28/2013 | CN103266268A Casting method of vehicle brake drum |
| 08/28/2013 | CN103266260A Method for preparing soft magnetic alloy powder of Fe and 6.5% of Si |
| 08/28/2013 | CN103266259A Vacuum foaming preparation method of blister steel |
| 08/28/2013 | CN102465229B Ferro-titanium alloying method for titaniferous stainless steel |
| 08/28/2013 | CN102363198B Evaporative pattern casting method of nodular cast iron flywheel casing |
| 08/28/2013 | CN102191426B Stainless steel wire for welding and method for smelting steel for wire |
| 08/22/2013 | WO2013122873A1 Powder metal with solid lubricant and powder metal scroll compressor made therefrom |
| 08/22/2013 | WO2013120903A1 A bearing steel composition |
| 08/22/2013 | WO2013120146A1 Casting iron based speciality alloy |
| 08/21/2013 | CN103261471A Fe-Pt ferromagnetic sputtering target and method for producing same |
| 08/21/2013 | CN103258609A Anisotropism nanometer rare earth permanent magnetic material and preparation method thereof |
| 08/21/2013 | CN103255364A Powder core wire for high-chromium-content coating with nano structure |
| 08/21/2013 | CN103255357A Method for preparing nickel-chromium ferromanganese alloy by using stainless steel oxidized iron sheet |
| 08/21/2013 | CN103255356A Method for preparing low-carbon stainless steel |
| 08/21/2013 | CN103255354A Steel for composite microalloying welding wire and preparation method thereof |
| 08/21/2013 | CN103255352A Method for improving and forming austenite in ultra-low carbon austenitic stainless steel bar |
| 08/21/2013 | CN103255351A Highly-homogeneous large-scale ultrahigh-strength steel ingot and manufacturing method thereof |
| 08/21/2013 | CN103255348A Low-carbon high-boron high-speed steel composite roll and preparation method thereof |
| 08/21/2013 | CN103255344A 245MPa-level gathering line pipe and manufacturing method thereof |
| 08/21/2013 | CN103255342A 600Mpa-grade high-strength hot continuous rolling structural steel and manufacturing method thereof |
| 08/21/2013 | CN103255339A 700 DEG C high temperature resistance offshore platform steel and production method thereof |
| 08/21/2013 | CN103255337A Production method of low-cost easily-welded steel |
| 08/21/2013 | CN103255336A Manufacturing method of high purity cobalt-free maraging steel |
| 08/21/2013 | CN103255335A Alloy vermicular cast irons for producing high-speed and heavy-duty automobile brake drum |
| 08/21/2013 | CN103255334A Camshaft specialized inoculant |
| 08/21/2013 | CN103252449A Production method of composite material stirring wing |
| 08/21/2013 | CN102618802B Ultrafine grained dual-phase steel material and production method thereof |
| 08/21/2013 | CN102534122B Ultrapure smelting method of low-alloy high-strength steel |
| 08/21/2013 | CN102373385B Low-nickel austenite heatproof cast steel and smelting method thereof |
| 08/14/2013 | CN103243266A Production method of export high-strength steel wire rod |
| 08/14/2013 | CN103243260A Deep-stamping dual-phase steel and production method thereof |
| 08/14/2013 | CN103243256A Method for controlling titanium content in high-carbon steel and production method of tire cord steel |
| 08/14/2013 | CN103240412A Method for preparing powder super-alloy by near net shape |
| 08/14/2013 | CN103239139A Rare earth alloy iron pan and production method thereof |
| 08/14/2013 | CN102732773B Method for preparing iron-based friction material by vanadium titano-magnetite in-situ reaction sintering |
| 08/14/2013 | CN102212755B Low-alloy cast steel and application thereof in heavy lorry axle housing, raw materials and machining process |
| 08/13/2013 | US8506881 Intermetallic bonded diamond composite composition and methods of forming articles from same |
| 08/07/2013 | EP2624265A1 R-t-b sintered magnet manufacturing method |
| 08/07/2013 | EP2623621A1 Production method of grain-oriented silicon steel with high magnetic flux density |
| 08/07/2013 | EP2623235A1 Alloy material for r-t-b system rare earth permanent magnet, method for producing r-t-b system rare earth permanent magnet, and motor |
| 08/07/2013 | CN103233182A Forming method for nanometer beta' phase element and nanometer oxide composite reinforced Fe-based ODS alloy |
| 08/07/2013 | CN103233170A Steel for hot working mold and production method thereof |
| 08/07/2013 | CN103233167A An industrial atmospheric corrosion resistant rebar and a production method thereof |
| 08/07/2013 | CN103233158A Quick cooling decarburization method of high-carbon chromium iron |
| 08/07/2013 | CN103233157A Method for optimizing cupola furnace burden by utilizing LINGO |
| 08/07/2013 | CN102816966B Ultrahigh-strength gray cast iron modifier and modification technique thereof |
| 08/07/2013 | CN102676955B Low-carbon high-sulfur free-cutting steel with excellent cutting performance and manufacturing method thereof |
| 08/07/2013 | CN102534407B Production method for HRB600 hot-rolled ribbed steel bars |
| 08/07/2013 | CN102392133B Production method of ferrotitanium |
| 08/07/2013 | CN102206792B Novel low alloy material sink roll |