| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 03/07/2012 | CN102367544A High strength and toughness structural steel S355K2Z35 slab and production method thereof |
| 03/07/2012 | CN102367543A Boron steel ASTMA36-B medium and heavy plate and production process thereof |
| 03/07/2012 | CN102367541A 65mm Q345GJCZ35 steel plate and production method thereof |
| 03/07/2012 | CN102367539A Low-alloy Q390C thick plate and its production method |
| 03/07/2012 | CN102367538A Super-thick low alloy high strength Q345C steel plate and production method thereof |
| 03/07/2012 | CN102367537A High strength and toughness as-cast nodular cast iron and its production method |
| 03/07/2012 | CN102367536A Casting method of SiO2-reinforced nodular cast iron-based brake disc |
| 03/07/2012 | CN102367508A Method for improving surface quality of hot rolled steel coils |
| 03/07/2012 | CN102366830A Casting method of boron-containing roller |
| 03/07/2012 | CN101690903B Fracture-free high-chromium cast iron crusher hammer |
| 03/01/2012 | WO2012026725A2 Method of preparing ferromolybdenum alloy briquette from a powder mixture of mill scale and molybdenum oxide powder through a solid-gas reaction, and briquette prepared by the method |
| 03/01/2012 | WO2012026649A1 Method for preparing ferro molybdenum from molybdenite |
| 02/29/2012 | CN102365142A Alloy material for r-t-b-type rare-earth permanent magnet, process for production of r-t-b-type rare-earth permanent magnet, and motor |
| 02/29/2012 | CN102363855A Method for improving susceptibility of flake formation of wheel steel by using second phase in steel |
| 02/29/2012 | CN102363198A Evaporative pattern casting method of nodular cast iron flywheel casing |
| 02/29/2012 | CN101890496B Powder metallurgical composition comprising carbon black as flow enhancing agent |
| 02/29/2012 | CN101748324B Method for casting super-large centrifugal cold mould by adopting nodular cast iron |
| 02/23/2012 | US20120045358 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing the same |
| 02/22/2012 | EP2420594A1 Discharge surface treatment electrode and method for manufacturing same |
| 02/22/2012 | CN202148343U 型内孕育系统 Type in the birth System |
| 02/22/2012 | CN102361998A Alloy for sintered R-T-B-M magnet and method for producing same |
| 02/22/2012 | CN102361997A Iron vanadium powder alloy |
| 02/22/2012 | CN102361372A Method for preparing corrosion-resistant neodymium iron boron permanent magnet for motor |
| 02/22/2012 | CN102360670A Composite material with ferrite magnetic layer and amorphous soft magnetic core as well as preparation method thereof |
| 02/22/2012 | CN102360669A Magnetic sensing composite material of inorganic material layer and amorphous soft magnetic core and preparation method thereof |
| 02/22/2012 | CN102360667A Amorphous nanocrystalline soft magnetic magneto-sensitive composite material for sensing and preparation method thereof |
| 02/22/2012 | CN102360666A Magnetically sensitive composite wire and preparation method thereof |
| 02/22/2012 | CN102360658A Block-shaped magnetic material and preparation method thereof |
| 02/22/2012 | CN102357653A Preparation process for nanoparticle reinforced die steel |
| 02/22/2012 | CN101940968B 一种组合式破碎机球形锤头及其制造方法 A modular hammer crusher and its manufacturing method of spherical |
| 02/22/2012 | CN101812637B 一种高强度高韧性汽车车轮用钢的生产方法 A high strength and high toughness steel car wheels production methods |
| 02/15/2012 | CN102356172A Rare earth permanent magnet and method for producing same |
| 02/15/2012 | CN102352469A Ultrahigh-strength vanadium-titanium composite microalloyed high carbon steel wire rod and preparation method thereof |
| 02/15/2012 | CN102352467A Superhigh strength cast steel, and preparation method and welding process thereof |
| 02/15/2012 | CN102352465A Superhigh strength cast steel, and preparation method and welding process thereof |
| 02/15/2012 | CN102352460A High-chromium white cast iron spherical plug and preparation method thereof |
| 02/15/2012 | CN102352454A Al-Fe alloy with low H, N and O element contents and preparation method thereof |
| 02/15/2012 | CN102350481A Sand mould casting method of large motor cast iron base |
| 02/15/2012 | CN101812633B 一种高屈强比热镀锌结构件用钢及其制造方法 A high-yield ratio galvanized steel structure and its manufacturing method |
| 02/15/2012 | CN101775538B 一种500MPa级高强抗震钢筋生产工艺 One kind of 500MPa high-strength steel production process seismic |
| 02/09/2012 | WO2012016649A1 Process for producing components which are made close to final shape from a dispersion-reinforced iron- or nickel-based alloy |
| 02/08/2012 | EP2415541A1 Alloy material for r-t-b-type rare-earth permanent magnet, process for production of r-t-b-type rare-earth permanent magnet, and motor |
| 02/08/2012 | CN102348898A Powder metal scrolls and sinter-brazing methods for making the same |
| 02/08/2012 | CN102345069A Large block micrometer-grain/nanometer-grain double-phase Fe-Al-Cr material and preparation method thereof |
| 02/08/2012 | CN102345066A Steel used for pressure container and preparation method thereof |
| 02/08/2012 | CN102345062A Low alloy Q345D steel plate with thickness less than 20mm and ensured flaw detection |
| 02/08/2012 | CN102345061A Q690D quality structural medium steel plate and production method thereof |
| 02/08/2012 | CN102345057A High strength and toughness Q460E structural steel thick plate and production method thereof |
| 02/08/2012 | CN102345054A 120mm low temperature pressure vessel 16MnDR steel thick plate and production method thereof |
| 02/08/2012 | CN102345047A 150mm Q245R extra thick plate and production method thereof |
| 02/08/2012 | CN102345046A Low cost SM490A steel plate and production method thereof |
| 02/08/2012 | CN102345045A A514GrQ steel plate for offshore platform rack, and production method thereof |
| 02/08/2012 | CN102345043A Q370qE thick plate and its production method |
| 02/08/2012 | CN102345042A Q420QE steel plate for high grade bridge and production method thereof |
| 02/08/2012 | CN102345041A Q345D steel plate with thickness less than 50mm and ensured comprehensive mechanical property |
| 02/08/2012 | CN102345038A High-chromium-nickel quinary alloy casting and production process thereof |
| 02/08/2012 | CN101956039B 离心铸造球墨铸铁管用管模粉及其制备工艺 Centrifugal casting ductile iron pipe pipe mold powder and its preparation process |
| 02/08/2012 | CN101914717B Method for alloying vanadium in molten steel by using ferrovanadium fine powder in RH station |
| 02/08/2012 | CN101906572B 激光燃烧合成原位自生陶瓷颗粒增强铁铝基复合材料的方法 Laser Situ Combustion synthesis of ceramic particle reinforced iron aluminide matrix composites method |
| 02/08/2012 | CN101772389B 粉末冶金用铁系混合粉末和铁粉烧结体 The iron-based mixed powder metallurgy and iron powder sintered body |
| 02/07/2012 | US8110049 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 02/07/2012 | CA2547582C Metallurgical powder compositions and articles and methods utilizing the same |
| 02/02/2012 | WO2012014685A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/02/2012 | WO2012014541A1 Free-cutting stainless-steel cast product and process for producing same |
| 02/01/2012 | CN202131350U 一种球铁处理半压力包 One kind of ductile iron handle half pressure package |
| 02/01/2012 | CN102337980A Engine body of air-cooled diesel engine or gasoline engine with detachable cylinder jacket |
| 02/01/2012 | CN102337479A Ultrafine crystal steel suitable for cutting single-crystal diamond and preparation method thereof |
| 02/01/2012 | CN102337477A Smelting and heat treatment method for novel heat resistant steel |
| 02/01/2012 | CN102337476A Novel heat-resistant steel |
| 02/01/2012 | CN102337475A Method for manufacturing extra-low oxygen low-expansion alloy |
| 02/01/2012 | CN102337473A Rare earth modification and ageing processing method of high chromium-nickel alloy steel guide plate |
| 02/01/2012 | CN102337460A Ultrahigh-strength structural steel board for ocean engineering and production method thereof |
| 02/01/2012 | CN102337459A Steel for electric power tower and production method thereof |
| 02/01/2012 | CN102337452A Low-alloy heat-resisting cast iron and preparation method thereof |
| 02/01/2012 | CN102337450A GST high strength toughness seawater corrosion resistant iron casting and its production method |
| 02/01/2012 | CN102337449A GRTCr high-toughness high-heat conduction cooling wall and production method thereof |
| 02/01/2012 | CN102337448A Raw material composition for producing high-performance nodular cast iron valve and production method thereof |
| 02/01/2012 | CN102337447A Nodular cast iron and production method thereof |
| 02/01/2012 | CN102337446A Bagging process for spheroidizing |
| 02/01/2012 | CN102337445A Automobile cylinder liner inoculation method |
| 02/01/2012 | CN102337444A Technology for producing vanadium chromium manganese alloyed pig iron by melting vanadium extraction tailings |
| 02/01/2012 | CN101800109B 一种软磁性能高的低成本的铁基非晶合金 A soft magnetic properties of high-cost iron-based amorphous alloy |
| 01/31/2012 | US8105446 Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet |
| 01/26/2012 | WO2012010941A1 Watch-making or clock-making component comprising an amorphous metal alloy |
| 01/26/2012 | WO2012010376A1 Piston ring having a thermally sprayed coating and method for producing same |
| 01/25/2012 | EP2410067A1 Rare earth permanent magnet and method for producing same |
| 01/25/2012 | EP2408943A1 Iron vanadium powder alloy |
| 01/25/2012 | CN102330850A Bimetal centrifugal composite pipe and preparation method thereof |
| 01/25/2012 | CN102330036A Grate of heat, wear and corrosion-resisting large mechanical reciprocating incinerator and manufacture method of grate |
| 01/25/2012 | CN102330035A Heat resistant steel, and heat resistant steel pipe and manufacturing method thereof |
| 01/25/2012 | CN102330024A Steel for tandem tube mill hollow mandrel and preparation technology thereof |
| 01/25/2012 | CN102330019A Preparation method for vanadium-containing twin crystal induced plastic steel with low carbon, high strength and high plasticity |
| 01/25/2012 | CN102330016A Hypoeutectic high-chromium white cast iron and preparation method thereof |
| 01/25/2012 | CN102330015A Wear resistant material for manufacturing sub-soiling shovel |
| 01/25/2012 | CN102330013A Nodular cast iron roller of hot rolled seamless steel tube tandem mill and preparation method thereof |
| 01/25/2012 | CN102330012A Niobium bainite ductile iron material and production process thereof |
| 01/25/2012 | CN102330011A Production method of high-strength high-toughness nodular iron crankshaft without adding ferroalloy or isothermally quenching |
| 01/25/2012 | CN102330010A Bismuth cored wire |
| 01/25/2012 | CN102330009A Bismuth core spun yarn feeding method |
| 01/25/2012 | CN102327795A Chromium (Cr)-free high-boron iron-based wear-resistant duplex metal composite hammerhead and preparation method thereof |