Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
01/2008
01/02/2008EP1871917A1 Boron steel grade for induction hardening and shaft
01/02/2008EP1771273B1 Particle bed roller mill
01/02/2008EP1577411B1 Steel for spring being improved in quenching characteristics and resistance to pitting corrosion
01/02/2008EP1563105B1 Method for making an abrasion resistant steel plate and plate obtained
01/02/2008CN101098988A Clear-coated stainless steel sheet excelling in design and process for producing the material
01/02/2008CN101098979A Hot rolled wire material excellent in cold forging property after spheroidizing treatment, spheroidizing-annealed steel wire having excellent cold forging property, and method for production thereof
01/02/2008CN101098978A 490 Mpa grade high-tensile steel for welded structure excellent in high-temperature strength and method for producing same
01/02/2008CN101098973A Method for control of cooling of steel plate
01/02/2008CN101096974A Welding structural body
01/02/2008CN101096789A Fabrication technology of yarn making piece
01/02/2008CN101096745A Composite high-strength high-ductility hardened and tempered steel and manufacturing method thereof
01/02/2008CN101096744A High-grade highly carbon-dioxide resistant chloride ion corrosion oil annular tube steel and method for manufacturing the same
01/02/2008CN101096743A Super-thick non-hardening plastic mold steel and method for manufacturing the same
01/02/2008CN101096742A High-strength pinion steel for vehicles
01/02/2008CN101096741A Rare-earth containing high temperature oxidation resistant ferritic stainless steel and method for preparing same
01/02/2008CN101096740A Carbon steel double-roller thin-belt continuous metal cast process
01/02/2008CN101096739A Stamping high-strength heating galvanized steel with excellent welding performance and method for manufacturing the same
01/02/2008CN101096738A Steel plate with low welding crack sensitivity and production method thereof
01/02/2008CN101096737A High-strength straight welding oil annular tube steel and manufacturing method thereof
01/02/2008CN101096736A Clean steel and manufacturing method
01/02/2008CN101096735A Easy-weld hardening high-strength steel plate and production method thereof
01/02/2008CN101096724A Electromagnetic steel having excellent electromagnetic property and method for manufacturing same
01/02/2008CN100359680C Lead frame and method for manufacturing the same
01/02/2008CN100359036C Cast steel for bearing parts in mechanical lifting system and its making process
01/02/2008CN100359035C X65 pipeline steel for use in acid condition and its making process
01/02/2008CN100359034C 1000Mpa-grade high-strength hot-rolled anti-bullet steel plate and making method
01/02/2008CN100359033C Superfine grain steel having nitrided layer
01/02/2008CN100359029C Method and apparatus for preparing VC-FeNiCr composite material by employing aluminothermy-quick solidification process
01/01/2008US7314532 High-strength forged parts having high reduction of area and method for producing same
01/01/2008US7314530 Pressing magnetic powder through dies; reduce variations in molecular orientation; copper, berylium alloy
12/2007
12/27/2007WO2007148475A1 Steel for forging, process for producing the same, and forged article
12/27/2007WO2007147710A1 Heat-resistant bearing material
12/27/2007WO2007001648A3 Corrosion resistant metallurgical powder compositions, methods, and compacted articles
12/27/2007US20070295430 Maraging steel excellent in fatigue characteristics and method for producing the same
12/27/2007US20070295427 Treated austenitic steel for vehicles
12/26/2007EP1870484A1 High-strength steel plate and process for production thereof, and high-strength steel pipe
12/26/2007EP1870483A1 Hot-rolled steel sheet, method for production thereof and molded article formed from hot-rolled steel sheet
12/26/2007EP1870482A1 High-strength cold-rolled steel sheet excellent in uniform elongation and method for manufacturing same
12/26/2007EP1825014A4 Steel with excellent weather resistance at the seaside atmosphere, and manufacturing method therefor
12/26/2007EP1403392B1 Metal material having good resistance to metal dusting
12/26/2007EP1371743B1 Electric welded steel tube for hollow stabilizer
12/26/2007EP1158064B1 Large bearing parts made of steel
12/26/2007EP0870847B1 Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming
12/26/2007CN101092679A Method for quick processing iron based shape memory alloy under large current impulse
12/26/2007CN101092678A Thermal fatigue resisting austenite steel
12/26/2007CN101092677A Precipitation hardening type stainless steel with high density
12/26/2007CN101092676A Alloy in use for rabricating head of golf pole
12/26/2007CN101092675A Ca plus RE composite modified high strong weathering steel and preparation method
12/26/2007CN101092656A Method for smelting base metal of low phosphorous stainless steel by using low-grade limonite of containing nickel-chromium
12/26/2007CN100357478C Method for manufacturing a steel strip or sheet consisting mainly of MN-austenite
12/26/2007CN100357477C Super bainite abrasion-resistant steel and its manuafcturing process
12/26/2007CN100357476C Alloy tool steel and its producing method and mold using it
12/26/2007CN100357475C Tensile strength 540Mpa grade dual phase steel plate and its production method
12/26/2007CN100357474C Tensile strength 600Mpa grade dual phase steel plate and its production method
12/26/2007CN100357473C Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
12/26/2007CN100357472C Non-quenched/tempered connecting rod and method of producing the same
12/26/2007CN100357471C Cast piece and sheet of ferritic stainless steel, and method for production thereof
12/26/2007CN100357470C Method for preparing ferro-titantium, steel and ferrovanadium from vanadium-titantium iron headings
12/26/2007CN100357469C Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof
12/25/2007US7311874 Filling microstructure alloy powders in containers, then isostatic pressing and machining, avoid spitting problems during sputtering of the target material on a substrate.
12/25/2007US7311788 R-T-B system rare earth permanent magnet
12/21/2007WO2007144964A1 High-strength electromagnetic steel sheet and process for producing the same
12/21/2007WO2007116356A3 Cutting members for shaving razors
12/20/2007US20070292301 Making Sintered, Iron-Based Alloy Parts By Using Boron-Containing Master Alloys
12/20/2007US20070292300 Ferritic Stainless Steel
12/20/2007US20070292299 Method to Obtain a Manganese Steel Alloy, and Manganese Steel Alloy Thus Obtained
12/20/2007US20070292298 Containing at least one or more types of metal selected from a group having a higher standard oxidation potential than iron; rust prevention effect of sintered bodies such as sintered machine parts can be exponentially improved without changing conventional sintered body manufacturing process
12/20/2007US20070289717 Method for Making Hot Strips of Lightweight Construction Steel
12/20/2007US20070289714 Ferrous seal sliding parts and producing method thereof
12/20/2007US20070289679 High Strength Cold Rolled Steel Sheet Having Excellent Shape Freezability, and Method for Manufacturing the Same
12/20/2007US20070289676 High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications
12/19/2007EP1867748A1 Duplex stainless steel
12/19/2007EP1867747A1 Alloyed hot-dip galvanized steel sheet and method for producing same
12/19/2007EP1867746A1 Alloyed hot-dip galvanized steel sheet and method for producing same
12/19/2007EP1867745A1 Ferritic heat-resistant steel
12/19/2007EP1867744A1 Magnetic alloy and method for producing same
12/19/2007EP1867743A1 Austenitic stainless steel
12/19/2007EP1867742A1 High-strength steel sheet and high-strength welded steel pipe excelling in ductile fracture performance and process for producing them
12/19/2007EP1867737A1 Method for producing martensitic stainless steel
12/19/2007EP1026273B1 Martensite stainless steel of high corrosion resistance
12/19/2007EP1026266B1 Simplified ladle refining method
12/19/2007CN101090988A Duplex stainless steel having excellent corrosion resistance with low nickel
12/19/2007CN101090987A High-strength four-phase steel alloys
12/19/2007CN101090986A Iron-chrome-aluminum alloy
12/19/2007CN101090982A Method of producing austentic iron/carbon/manganese steel sheets having very high strength and elongation characteristics and excellent homogeneity
12/19/2007CN101090019A Manufacturing method of high magnetoconductivity FcSiAl magnetic powder core
12/19/2007CN101090013A Method for preparing high coercive force, high corrosion resistance magnet by nanocopper
12/19/2007CN101090005A Resin coated metal sheet with excellent electromagnetic wave shielding performance
12/19/2007CN101089218A Non-hardened and tempered steel plate Non-hardened and tempered steel plate with high yield strength
12/19/2007CN100355992C Integral casting alloy steel shovel edge plate for loader and its manufacturing process and device
12/19/2007CN100355932C Ferrum base rare earth high-chromium steel capable of welding and of heat and abrasive endurance
12/19/2007CN100355931C High-speed tool steel
12/19/2007CN100355930C Low alloy high speed tool steel having constant toughness
12/19/2007CN100355929C Automatic pouring aluminium ingot allotter made from high chrome steel of iron based rare earth
12/19/2007CN100355928C Steel parts for machine structure, material therefor, and method for manufacture thereof
12/19/2007CN100355927C Steel excellent in machinability
12/19/2007CN100355925C Micro-alloying production for 82B wire rod of steel strand
12/19/2007CN100355914C Martensitic stainless steel seamless pipe and a manufacturing method thereof
12/19/2007CN100355912C Silicon-calcium-barium ferroalloy in use for steel making
12/18/2007US7310207 Magnetic sensing element including magnetic layer composed of Heusler alloy disposed on underlayer having {111}-oriented fcc structure