| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 08/06/2013 | US8500842 Ceria and stainless steel based electrodes |
| 08/06/2013 | CA2727224C High-strength steel sheet and method of producing molten steel for high-strength steel sheet |
| 08/01/2013 | DE112005000921B4 Verfahren zur Herstellung einer Sinterlegierung auf Eisenbasis und eines Sinterlegierungselements auf Eisenbasis A process for producing a sintered iron-based alloy and a sintered iron-based alloy member |
| 07/31/2013 | CN103228381A Method for the production of an element subject to wear, element subject to wear and temporary aggregation structure to produce said element subject to wear |
| 07/31/2013 | CN103225047A X80 pipeline steel having thickness of 26.5mm or more, and production method thereof |
| 07/31/2013 | CN103225037A High-carbon gray cast iron automobile brake disk and production method thereof |
| 07/31/2013 | CN103225036A Boron-carbide-reinforced wear-resistant bainite ductile iron grinding ball and manufacturing method thereof |
| 07/31/2013 | CN103225034A Method for improving yielding rate of ultra pure ferrite stainless steel titanium |
| 07/31/2013 | CN103223489A Method for manufacturing eccentric wheel through powder metallurgy |
| 07/31/2013 | CN102690987B Microalloyed high-strength synthetic gray cast iron and casting method thereof |
| 07/31/2013 | CN102676943B Copper bearing antimicrobial duplex stainless steel |
| 07/31/2013 | CN102634732B Smelting method of high-carbon chromium bearing steel |
| 07/31/2013 | CN102534358B Manufacturing method of high-coercivity R-Fe-B sintered permanent magnet material |
| 07/31/2013 | CN102433517B High-temperature and high-sulfur wear-resistant alloy and application thereof |
| 07/31/2013 | CN102400030B Method for adding nitrogen element into smelting molten steel of vacuum induction furnace |
| 07/31/2013 | CN102383026B Nodular cast iron crankshaft |
| 07/31/2013 | CN102360669B Magnetic sensing composite material of inorganic material layer and amorphous soft magnetic core and preparation method thereof |
| 07/31/2013 | CN101928876B TRIP/TWIP high strength plastic automotive steel with excellent processability and preparation method thereof |
| 07/31/2013 | CN101715522B Powder metal component tolerance improvements |
| 07/25/2013 | WO2013108830A1 Method for producing r-t-b sintered magnet |
| 07/25/2013 | WO2013108735A1 Dust core, coil component, and method for producing dust core |
| 07/24/2013 | EP2618349A1 Method for producing rare-earth magnet |
| 07/24/2013 | CN203080038U Automatic batching system for alloy |
| 07/24/2013 | CN203079321U Powder particle delivery device |
| 07/24/2013 | CN103215525A Alloy steel for bolt |
| 07/24/2013 | CN103215523A High-speed train alloy cast steel brake disc material and smelting process thereof |
| 07/24/2013 | CN103215518A Seamless steel tube material for rare-earth-containing H2S corrosion-resistant pipeline, and production method thereof |
| 07/24/2013 | CN103215510A Novel automobile axle housing and preparation method thereof |
| 07/24/2013 | CN103215507A Steel plate smelting method for improving high heat input welding performance |
| 07/24/2013 | CN103215506A Non-cobalt multi-element high-speed tool steel and preparation method thereof |
| 07/24/2013 | CN103215504A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215503A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215502A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215501A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215500A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215499A Production method of easily formable high-strength medium-thick steel plate |
| 07/24/2013 | CN103215496A Method for preparing boron-containing peritectic steel |
| 07/24/2013 | CN103215494A Re-containing seamless Cr-Mo-V type alloy steel pipe and production method thereof |
| 07/24/2013 | CN103215491A Method for preparing carbon-silicon-manganese-series Q&P steel through alloy element partitioning |
| 07/24/2013 | CN103215490A Preparation method of thin-wall A-type graphite casting piece A |
| 07/24/2013 | CN103215488A Method for integrally casting large-sized V-shaped diesel engine body by utilizing nodular cast iron |
| 07/24/2013 | CN103215487A Application of strontium-silicon inoculant in silicon-molybdenum spheroidal graphite cast ion |
| 07/24/2013 | CN103215486A Method for preparing phosphorus iron alloy by utilizing high-phosphorus iron ore and medium and low-grade phosphorus ore |
| 07/24/2013 | CN102367550B Rare-earth-containing wet H2S corrosion resisting steel pipe used in heat exchanger, and production method thereof |
| 07/24/2013 | CN102337476B Novel heat-resistant steel |
| 07/24/2013 | CN102011057B CrMnTi series gear steel and processing technique thereof |
| 07/24/2013 | CN101911226B Permanent magnet manufacturing method |
| 07/23/2013 | CA2642254C Iron-based powder mixture, and method of manufacturing iron-based compacted body and iron-based sintered body |
| 07/23/2013 | CA2448799C Cold work steel |
| 07/17/2013 | CN203065557U Nodulizing ladle cover |
| 07/17/2013 | CN1946865B Iron-based sintered alloy, iron-based sintered alloy member and method for producing those |
| 07/17/2013 | CN1662327B Prealloyed iron-based powder, a method of producing sintered components and a component |
| 07/17/2013 | CN103205654A X80 pipeline steel containing rare earth elements and preparation method thereof |
| 07/17/2013 | CN103205653A Duplex stainless steel with excellent thermoplasticity and corrosion resistance and manufacturing method thereof |
| 07/17/2013 | CN103205650A Steel plate with great heat and abrasion resistance and manufacturing method thereof |
| 07/17/2013 | CN103205649A RE (rare earth)-containing moisture and H2S corrosion resistant L360QSS pipeline seamless steel pipe and production method thereof |
| 07/17/2013 | CN103205648A RE (rare earth)-containing moisture and H2S corrosion resistant L450QS pipeline seamless steel pipe and production method thereof |
| 07/17/2013 | CN103205646A Seamless steel pipe for G-class high-tenacity drill pipe body |
| 07/17/2013 | CN103205645A Superlarge thickness hydrogen chromium molybdenum steel plate for hydrogenation equipment and manufacture method thereof |
| 07/17/2013 | CN103205639A Shovel blade cutting edge of loader and method for manufacturing shovel blade cutting edge |
| 07/17/2013 | CN103205635A Method for producing VD high-alloyed tool steel |
| 07/17/2013 | CN103205630A A nickel-iron alloy material and a preparation method thereof |
| 07/17/2013 | CN103205627A Low-alloy high-performance wear-resistant steel plate and manufacturing method thereof |
| 07/17/2013 | CN103205624A Graphite cast iron glass mould of ferritic matrix and manufacturing method of mould |
| 07/17/2013 | CN103205623A Recycling method of fine powder roller abrasive dust |
| 07/17/2013 | CN102471853B Iron-based sintered sliding member, and process for production thereof |
| 07/17/2013 | CN102383039B Microalloy HRB500E steel bar containing chrome and nitrogen and production method thereof |
| 07/17/2013 | CN102361998B Alloy for sintered R-T-B-M magnet and method for producing same |
| 07/16/2013 | US8486329 Process for production of semisolidified slurry of iron-base alloy and process for production of cast iron castings by using a semisolidified slurry |
| 07/11/2013 | WO2013102650A1 New metal powder and use thereof |
| 07/10/2013 | EP2612940A1 Alloy material for r-t-b-based rare earth permanent magnet, production method for r-t-b-based rare earth permanent magnet, and motor |
| 07/10/2013 | CN203048974U Air-cooled cyclonic magnesium agent desulphurization spray gun |
| 07/10/2013 | CN203048973U Granulated magnesium molten iron desulphurization spray gun |
| 07/10/2013 | CN203044824U Nucleating agent adding device |
| 07/10/2013 | CN103194688A Wear-resistant steel pipe and manufacture method thereof |
| 07/10/2013 | CN103194687A Low-alloy high-strength cast steel for low temperature and preparation method thereof |
| 07/10/2013 | CN103194685A Ceramimetallurgical high-wear-resistance high-toughness cold work die steel and preparation method thereof |
| 07/10/2013 | CN103194684A Wear-resistant steel plate and manufacture method thereof |
| 07/10/2013 | CN103194680A Seamless steel pipe material for X-grade drill pipe body and preparation method thereof |
| 07/10/2013 | CN103194677A Steel plates for 355MPa-level easy-to-weld ocean platform and production process of steel plates |
| 07/10/2013 | CN103194674A HB360-level wear-resistant steel plate and preparation method thereof |
| 07/10/2013 | CN103194664A High-strength high-toughness winch nodular cast iron winding drum and casting method thereof |
| 07/10/2013 | CN103194663A Improved pulverizer knife holder and production method thereof |
| 07/10/2013 | CN103194662A Medium-carbon high-chromium-alloy cast steel lining plate for water quenching vehicle and manufacturing method thereof |
| 07/10/2013 | CN103194660A Manufacturing method of low-temperature ferrite nodular cast iron material |
| 07/10/2013 | CN102337477B Heat treatment method for heat resistant steel |
| 07/10/2013 | CN102168218B Low-silicon nodularizer and preparation method of the low-silicon nodularizer |
| 07/10/2013 | CN101808769B Production system of alloy |
| 07/10/2013 | CN101364465B Permanent magnetic RE material and preparation thereof |
| 07/03/2013 | CN203034073U Nitrided ferrovanadium synthesized mold |
| 07/03/2013 | CN203034065U Ferromolybdenum smelting furnace with fixed type furnace table |
| 07/03/2013 | CN103187133A Rare earth permanent magnetic alloy and magnetic phase composite preparation method thereof |
| 07/03/2013 | CN103184392A Welding steel and smelting method thereof |
| 07/03/2013 | CN103184391A Annular plate steel used for top cover of million-kilowatt-level large-scale hydraulic turbine and manufacturing method thereof |
| 07/03/2013 | CN103184361A Erbium, silicon and iron alloy and preparation and application thereof |
| 07/03/2013 | CN102560223B Method for forming bonded iron-based powder by high velocity compaction technology |
| 07/03/2013 | CN102345045B A514GrQ steel plate for offshore platform rack |
| 07/03/2013 | CN102330016B Preparation method of hypoeutectic high-chromium white cast iron |
| 07/02/2013 | US8475709 Powder metal polymer composites |
| 06/27/2013 | WO2013094904A1 Method for manufacturing high strength flake graphite cast iron, flake graphite cast iron manufactured by the method, and engine body comprising the cast iron for internal combustion engine |