| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 03/11/2009 | CN101381852A Chromium-manganese-nitrogen austenitic stainless steel |
| 03/11/2009 | CN101381851A Drill rod of digger capable of high temperature crushing operation and producing method thereof |
| 03/11/2009 | CN101381850A Alloyed steel plug for steel tube perforating and production method |
| 03/11/2009 | CN101381849A Alloying wearproof heat-resistant steel |
| 03/11/2009 | CN101381848A Method of preparing wearable steel ball |
| 03/11/2009 | CN101381847A Flushing and abrasion-resistant steel with high tensile strength and producing method thereof |
| 03/11/2009 | CN101381846A Material for triangle of computer weft knitting machine |
| 03/11/2009 | CN101381845A High-purity ferrite stainless steel material and manufacturing method thereof |
| 03/11/2009 | CN101381844A Cold working die steel material and production technology thereof |
| 03/11/2009 | CN101381843A 5Cr5MoWSiV cold roller and heat treatment method thereof |
| 03/11/2009 | CN101381842A High chromium content ferrite stainless steel and manufacturing method thereof |
| 03/11/2009 | CN101381841A High intensity and high ductility -50 DEG C low-temperature steel and manufacturing method thereof |
| 03/11/2009 | CN101381840A Wire rod having excellent wire drawability and its production method |
| 03/11/2009 | CN101381839A High strength and ductility alloy steel and heat treatment technology thereof |
| 03/11/2009 | CN100467658C Non-magnetic high-strength stainless steel material and method for manufacturing the same |
| 03/11/2009 | CN100467657C Low-alloy cast steel |
| 03/11/2009 | CN100467656C Fine-grained martensitic stainless steel and prducing method thereof |
| 03/11/2009 | CN100467655C Micro-alloying high-strength fork steel |
| 03/11/2009 | CN100467654C Carbon steel double-roller thin-belt continuous metal cast process |
| 03/11/2009 | CN100467653C Method for improving wearability of wearable high manganese steel using asymmetrical rolling |
| 03/11/2009 | CN100467652C Easy-weld hardening high-strength steel plate and production method thereof |
| 03/11/2009 | CN100467651C Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same |
| 03/11/2009 | CN100467624C Method for producing stainless steel having improved corrosion resistance |
| 03/11/2009 | CN100467163C Method for manufacturing polycrystal diamond drill used for geological prospecting |
| 03/11/2009 | CN100467151C Low-aliquation high-speed steel roll and the preparing method |
| 03/10/2009 | US7501031 Steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability and manufacturing method thereof |
| 03/10/2009 | US7501030 Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof |
| 03/10/2009 | US7501029 Sheet excellent in geomagnetic shielding property for use in a picture tube band for clamping the periphery of the panel portion of a cathode ray tube (another named to Braun tube or picture tube) incorporated in a television set, office automation machine |
| 03/10/2009 | US7501028 Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production |
| 03/10/2009 | US7500417 High-strength connecting rod and method of producing same |
| 03/05/2009 | WO2009029953A2 Magnetic material with large magnetic-field-induced deformation |
| 03/05/2009 | WO2009028726A1 Solution for treatment of insulating coating film for oriented electromagnetic steel sheet, and method for production of oriented electromagnetic steel sheet having insulating coating film thereon |
| 03/05/2009 | WO2009028515A1 Process for manufacturing high-strength hot-rolled steel sheet |
| 03/05/2009 | WO2009026881A1 Steel for producing machine components formed from solid stock |
| 03/05/2009 | WO2008142275A4 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 03/05/2009 | US20090060775 Cr-Mn-N austenitic stainless steel |
| 03/05/2009 | US20090060774 High-temperature alloy |
| 03/05/2009 | US20090056838 Ferritic Stainless Steel Sheet Having Excellent Corrosion Resistance and Method of Manufacturing the Same |
| 03/05/2009 | US20090056836 High-strength steel sheet having excellent workability |
| 03/05/2009 | DE102007057421A1 Stahl zur Herstellung von massiv umgeformten Maschinenbauteilen Steel for the manufacture of forged machine parts |
| 03/05/2009 | DE102007047159A1 Steel alloy used in the production of a valve or valve head for a combustion engine contains alloying additions of aluminum |
| 03/05/2009 | DE102007041519A1 Zylinderlaufbuchse und Verfahren zu ihrer Herstellung Cylinder liner and processes for their preparation |
| 03/05/2009 | CA2697794A1 Steel for the production of solidly formed machine components |
| 03/05/2009 | CA2638698A1 Fastening element |
| 03/04/2009 | EP2031083A1 Method for manufacturing lactic acid dilactid or polyesters from lactic acid |
| 03/04/2009 | EP2031081A1 Dual-phase steel, flat product made of such dual-phase steel and method for manufacturing a flat product |
| 03/04/2009 | EP2031080A1 High temperature alloy |
| 03/04/2009 | EP2031079A1 High-strength electromagnetic steel sheet and process for producing the same |
| 03/04/2009 | EP2029786A1 Heat-resistant bearing material |
| 03/04/2009 | CN101379574A R-Fe-B microcrystalline high-density magnet and process for production thereof |
| 03/04/2009 | CN101379210A Iron-nickel-cobalt alloy |
| 03/04/2009 | CN101379209A Fire-resistant high-strength rolled steel material and method for production thereof |
| 03/04/2009 | CN101379208A Steel plate having excellent fine blanking processability and method for manufacture thereof |
| 03/04/2009 | CN101379207A Steel plate having excellent fine blanking processability and method for manufacture thereof |
| 03/04/2009 | CN101379013A Method for the continuous heterogeneously catalysed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated |
| 03/04/2009 | CN101376954A Corrosion resistant, antibacterial nickel-saving austenitic stainless steel and production method thereof |
| 03/04/2009 | CN101376953A High-corrosion resistant high-strength weather resisting steel and manufacturing method thereof |
| 03/04/2009 | CN101376952A High chrome alloy strengthened steel cast shot/sand and manufacturing process thereof |
| 03/04/2009 | CN101376951A High strength wire rod for bridge stay cable and suspended cable galvanized steel wire, and manufacturing method thereof |
| 03/04/2009 | CN101376950A Superhigh intensity cold rolling weather resisting steel plate and manufacturing method thereof |
| 03/04/2009 | CN101376949A Martensite antibacterial stainless steel and manufacturing method thereof |
| 03/04/2009 | CN101376948A Low-cost high-purity medium carbon bearing steel for automobile hub and manufacturing method thereof |
| 03/04/2009 | CN101376947A High strength X90 pipeline steel and production method thereof |
| 03/04/2009 | CN101376946A Steel for 110ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376945A 2000MPa grade superhigh intensity high tenacity steel plate and manufacturing method thereof |
| 03/04/2009 | CN101376944A High-strength high-tensile ratio cold-rolled steel sheet and manufacturing method thereof |
| 03/04/2009 | CN101376943A Steel for 80ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376942A Preparation of manganese series water quenching bainite steel |
| 03/04/2009 | CN101376915A Method for smelting high-alumina non-magnetic steel |
| 03/04/2009 | CN100465325C A duplex steel alloy |
| 03/04/2009 | CN100465324C A low-alloy high speed steel roll material and a manufacturing method thereof |
| 03/04/2009 | CN100465323C A nanometer crystal composite permanent-magnet alloy and a preparation method thereof |
| 03/04/2009 | CN100465322C A superlow carbon baking hardened steel plate added with Ti and V and a manufacturing method thereof |
| 03/04/2009 | CN100465321C A steel for cooling-controlsteels with trace niobium and a production method thereof |
| 03/04/2009 | CN100465308C A method for preparing hexangular ordered FePt nanometer particle arrays |
| 03/04/2009 | CN100465298C A method for producing screws, and the screws thereby |
| 03/04/2009 | CN100464941C A production method of a 8.8-grade fastener with high strength |
| 02/28/2009 | CA2639255A1 High temperature alloy |
| 02/26/2009 | WO2009025314A1 High-strength low-alloy steel excellent in the resistance to high-pressure hydrogen environment embrittlement and process for manufacturing the steel |
| 02/26/2009 | WO2009025125A1 Ferritic stainless steel plate excellent in punchability and process for production of the same |
| 02/26/2009 | WO2009024809A1 A valve seat insert and its method of production |
| 02/26/2009 | WO2009024069A1 A Fe ALLOY |
| 02/26/2009 | WO2008156295A3 High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring |
| 02/26/2009 | US20090053097 Fire-Resistant Steel Material Superior in Haz Toughness of Welded Joint and Method of Production of Same |
| 02/26/2009 | US20090053096 High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile |
| 02/26/2009 | US20090053095 Railroad steels having improved resistance to rolling contact fatigue |
| 02/26/2009 | US20090053094 Rare earth sintered magnet and method for production thereof |
| 02/26/2009 | US20090053093 Ferritic Stainless Steel for Use as Conduit Members For Emission of Automotive Exhaust Gas |
| 02/26/2009 | US20090053092 Ferritic stainless steel alloy |
| 02/26/2009 | US20090051182 pearlitic structure, containing carbon, silicon, manganese, phosphorus, niobium, nickel, molybdenum, vanadium and sulfur with the remainder of steel being iron; shelling |
| 02/26/2009 | US20090050244 Hot-Rolled High Strength Steel Sheet Having Excellent Ductility, Stretch-Flangeability, and Tensile Fatigue Properties and Method for Producing the Same |
| 02/26/2009 | US20090050243 High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof |
| 02/26/2009 | US20090050241 Steel superior in machinability and method of production of same |
| 02/25/2009 | EP2028285A1 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring |
| 02/25/2009 | EP2028284A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 02/25/2009 | EP2028282A1 Dual-phase steel, flat product made of such dual-phase steel and method for manufacturing a flat product |
| 02/25/2009 | EP2027638A2 Efficient high-speed electric device using low-loss materials |
| 02/25/2009 | EP2027300A2 Steel compositions for special uses |
| 02/25/2009 | EP2027298A1 Method for the production of forged steel for weapons subject to heavy stresses, barrel blanks and a thus-equipped weapon |
| 02/25/2009 | EP2026923A1 Apparatus for producing alloy and rare earth element alloy |