| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 05/23/2012 | CN102463269A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
| 05/23/2012 | CN102134683B Guide roller and preparation technique thereof |
| 05/23/2012 | CN102127711B Nano-structured ultrahigh-strength dual-phase steel and production method thereof |
| 05/23/2012 | CN101967596B Method for preparing high-performance rare earth-FeCoSi compound with NaZn 13 structure |
| 05/23/2012 | CN101960037B High tensile strength steel thick plate having excellent weldability and tensile strength of 780MPa or above, and process for manufacturing same |
| 05/23/2012 | CN101903547B Steel sheets and process for manufacturing the same |
| 05/23/2012 | CN101899626B Wear-resistant alloy cast steel |
| 05/23/2012 | CN101899616B Steel for 600MPa-grade high-strength engineering machines and production method thereof |
| 05/23/2012 | CN101886223B Method for preparing high-strength high-toughness low alloy manganese series cast steel |
| 05/23/2012 | CN101880824B Q345q-series super-thick bridge steel plate and production method thereof |
| 05/23/2012 | CN101831595B Rapid cooling thermal treatment method of 21/4Cr-1Mo-1/4V steel forging and automatic temperature-control inflation three-dimensional circulating water |
| 05/23/2012 | CN101812632B Preparation method of -40 to -60DEG C low-temperature impact toughness hot rolled H-shaped steel |
| 05/23/2012 | CN101802238B High-strength steel sheet excellent in bendability and fatigue strength |
| 05/23/2012 | CN101787492B Manufacturing method of high quality and large size mandril blank |
| 05/23/2012 | CN101765672B Wire rod and high-strength steel wire excellent in ductility, and processes for production of both |
| 05/23/2012 | CN101736204B High-strength atmospheric corrosion-resistant medium plate and manufacturing method thereof |
| 05/23/2012 | CN101716660B Continuous casting method of heat-resistance stainless steel for steam turbine blade |
| 05/23/2012 | CN101705429B Production method of wire rod of high-speed railroad no-slag sleeper slab steel wire |
| 05/23/2012 | CN101688276B Thick hot-rolled steel sheet excellent in workability and excellent in strength and toughness after heat-treatment, and method for producing the same |
| 05/23/2012 | CN101629476B High strength and high toughness petroleum casing pipe capable of bearing low temperature within -40 to -80 DEG C |
| 05/23/2012 | CN101578446B Process for production of common rails and partially strengthened common rails |
| 05/23/2012 | CN101455986B Crusher duplex metal abrasion-proof backing block and manufacture method thereof |
| 05/23/2012 | CN101429621B Nitrogen intensified high-carbon twin crystal inducement plastic steel material and its production technique |
| 05/23/2012 | CN101429620B Phosphor intensified twin crystal inducement plastic steel material and its production technique |
| 05/23/2012 | CN101381839B High strength and ductility alloy steel and heat treatment technology thereof |
| 05/23/2012 | CN101379574B R-Fe-B microcrystalline high-density magnet and process for production thereof |
| 05/23/2012 | CN101321885B Heat-treatment steel for high-strength spring |
| 05/22/2012 | US8182963 Low-cost manganese-stabilized austenitic stainless steel alloys, bipolar plates comprising the alloys, and fuel cell systems comprising the bipolar plates |
| 05/22/2012 | US8182740 High-strength steel sheets excellent in hole-expandability and ductility |
| 05/22/2012 | US8182621 Method of hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment |
| 05/22/2012 | CA2600701C Alloyed hot-dip galvanized steel sheet and method for producing same |
| 05/22/2012 | CA2526886C Iron base sintered alloy having highly densified and hardened surface, and producing method thereof |
| 05/18/2012 | WO2012064129A2 Method for manufacturing high-strength cold-rolled/hot-rolled trip steel having a tensile strength of 590 mpa grade, superior workability, and low mechanical-property deviation |
| 05/18/2012 | WO2012064104A1 Wire rod and steel wire having superior magnetic characteristics, and method for manufacturing same |
| 05/18/2012 | WO2012063969A1 High-strength hot-dip galvanized steel sheet having excellent uniform elongation and plating properties, and method for manufacturing same |
| 05/18/2012 | WO2012063620A1 High-strength spring steel, method for producing high-strength spring, and high-strength spring |
| 05/18/2012 | WO2012063613A1 Ferritic stainless steel with excellent oxidation resistance |
| 05/18/2012 | WO2011139117A3 High-strength and high-toughness ultrafine wire rod and method for producing same |
| 05/17/2012 | US20120121931 Steel material for dissimilar metal joining, joined body of dissimilar metals and process for joining dissimilar metal materials |
| 05/17/2012 | US20120121454 Low-carbon resulfurized free-machining steel excellent in machinability |
| 05/17/2012 | US20120121453 Hic-resistant thick steel plate and uoe steel pipe |
| 05/17/2012 | US20120121452 Method for producing a hot rolled strip and hot rolled strip produced from triplex lightweight steel |
| 05/17/2012 | US20120121451 Spray coating, method of forming same, spray material wire, and cylinder block |
| 05/17/2012 | US20120120561 Hinge device and electronic device using the same |
| 05/17/2012 | US20120118443 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same |
| 05/17/2012 | US20120118442 Stainless steel having good conductivity and ductility for use in fuel cell and method for producing the same |
| 05/17/2012 | US20120118440 High-strength and high-ductility die-quenched parts and method of manufacturing the same |
| 05/16/2012 | EP2453448A1 Ndfeb sintered magnet, and process for production thereof |
| 05/16/2012 | EP2453033A1 Steel wire for high-strength spring |
| 05/16/2012 | EP2453032A1 High-strength steel sheet and manufacturing method therefor |
| 05/16/2012 | EP2453027A1 Thermoformed product and method for producing same |
| 05/16/2012 | EP2453026A1 Thermoformed steel product and method for producing same |
| 05/16/2012 | EP2224030B1 Ferritic stainless steel having excellent brazeability |
| 05/16/2012 | EP2218800B1 Steel with weld heat-affected zone having excellent ctod properties and process for producing the steel |
| 05/16/2012 | EP2050832B1 Two-phase stainless steel |
| 05/16/2012 | EP2028284B1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 05/16/2012 | EP2025767B1 Process for producing grain-oriented electrical steel sheet with high magnetic flux density |
| 05/16/2012 | CN102459696A Electromagnetic steel sheet having insulating coating film and process for production thereof |
| 05/16/2012 | CN102459679A Bearing component |
| 05/16/2012 | CN102459678A Carburized component and manufacturing method therefor |
| 05/16/2012 | CN102459677A 耐硫化物应力破裂性优良的油井用高强度无缝钢管及其制造方法 Excellent resistance to sulfide stress cracking of oil wells with high strength seamless steel pipe and its manufacturing method |
| 05/16/2012 | CN102459676A 钎焊用铁素体系不锈钢材及热交换器部件 Brazing ferritic stainless steel and heat exchanger components |
| 05/16/2012 | CN102459675A Non-oriented electrical steel sheet and manufacturing method thereof |
| 05/16/2012 | CN102459656A Process for producing thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding and thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding |
| 05/16/2012 | CN102458831A 高温用双金属 Bimetallic temperature |
| 05/16/2012 | CN102454715A Cardan universal joint, and manufacturing method for shaft sleeve for cardan universal joint |
| 05/16/2012 | CN102454688A Hinge device and electronic device comprising same |
| 05/16/2012 | CN102453844A Method for preparing non-oriented silicon steel with excellent magnetic property and high efficiency |
| 05/16/2012 | CN102453843A Ferrite heat resistant steel |
| 05/16/2012 | CN102453842A Special alloy steel and method for high-speed rail turnout integral sliding bedplate |
| 05/16/2012 | CN102453841A Steel used for sea oil extraction platform R4S grade mooring chain and its manufacture method |
| 05/16/2012 | CN102453840A Duplex-phase stainless steel |
| 05/16/2012 | CN102453839A High-temperature-resistant steel and manufacturing method thereof |
| 05/16/2012 | CN102453838A High-strength non-oriented electrical steel with high magnetic induction and manufacturing method thereof |
| 05/16/2012 | CN102453837A Method for preparing non-oriented silicon steel with high magnetic induction |
| 05/16/2012 | CN102453836A Method for preparing powder metallurgy high-alloy steel material |
| 05/16/2012 | CN102453835A Method for preparing high-performance composite material |
| 05/16/2012 | CN102453834A Method for preparing high-performance iron matrix composite material |
| 05/16/2012 | CN102453831A Method for smelting high-chromium steel and high-chromium steel |
| 05/16/2012 | CN102453829A Free-machining pinion steel smelting method and free-machining pinion steel |
| 05/16/2012 | CN102453786A Method for smelting steel for drill rod joint by using rotating furnace, and steel for drill rod joint |
| 05/16/2012 | CN102451977A High strength valve spring for vehicle engine and method of manufacturing the same |
| 05/16/2012 | CN101815797B Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained |
| 05/16/2012 | CN101592131B method for manufacturing ring forging of rotary support ring for wind power equipment |
| 05/16/2012 | CN101374969B Iron-based sinter multilayer wound bush, method for manufacturing the same, and operating machine connecting apparatus |
| 05/15/2012 | US8177955 Electrodeposition of FeCoNiV films with high resistivity and high saturation magnetization for magnetic head fabrication |
| 05/15/2012 | US8177925 High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof |
| 05/15/2012 | US8177924 High-strength steel sheet and process for producing the same |
| 05/15/2012 | US8177920 Grain-oriented electrical steel sheet and process for producing the same |
| 05/15/2012 | CA2681747C High-strength welded steel pipe including weld metal having high cold-cracking resistance and method for manufacturing the same |
| 05/15/2012 | CA2540000C Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 05/15/2012 | CA2526488C A cold-rolled steel sheet having a tensile strength of 780 mpa or more an excellent local formability and a suppressed increase in weld hardness |
| 05/10/2012 | WO2012060405A1 High-strength steel sheet and method for producing same |
| 05/10/2012 | WO2012060383A1 Method of cutting steel for use in machine structures |
| 05/10/2012 | WO2012060294A1 High-strength cold-rolled steel sheet having excellent deep-drawability and bake hardenability, and method for manufacturing same |
| 05/10/2012 | US20120114964 Coated-surface sliding part having excellent coating adhesion and method for producing the same |
| 05/10/2012 | US20120114519 Micro-alloyed carbon steel as a texture-rolled strip steel, in particular for spring elements |
| 05/10/2012 | US20120114496 Precipitation Hardening Martensitic Stainless Steel and Steam Turbine Component Made Thereof |
| 05/10/2012 | US20120111529 Ferritic stainless steel for egr cooler and egr cooler |
| 05/10/2012 | US20120111457 Austenite-type stainless steel hot-rolling steel material with excellent corrosion resistance, proof-stress, and low-temperature toughness and production method thereof |