Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 38 - Ferrous alloys, e.g. steel alloys
Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2003
03/26/2003CN1103830C Solid self-lubricating wear-resisting alloy cast material
03/26/2003CN1103829C Steel band for pots and its manufacture method
03/26/2003CN1103825C Electric steel sheet with better deformability and magnetic properties and its making method
03/26/2003CN1103824C Method for producing cold-rolled bands or sheets
03/26/2003CA2379744A1 Intermetallic compound and method of manufacturing the same
03/25/2003US6537397 Process for producing Fe-based member having high young's modulus, and Fe-based member having high young's modulus and high toughness
03/25/2003US6537394 Hot rolling, coiling, cold rolling, heat treament
03/20/2003US20030054195 High tensile strength hot dip plated steel sheet and method for production thereof
03/20/2003US20030053925 Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility
03/20/2003US20030051782 A steel tube having a composition which contains: 0.05-0.30% C; 1.8-4.0% Mn; Si; and Al is subjected to a diameter-reducing rolling process of no less than 20% and a temperature no higher than 800 degrees C.
03/20/2003US20030051781 Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
03/20/2003US20030051775 Fe-ni-co alloy for completely flat mask of press-formed type, and completely flat mask and color cathode-ray tube using the same
03/20/2003US20030051771 Process for producing inner race for constant velocity joint having improved workability and strength
03/19/2003EP1293582A2 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
03/19/2003EP1293581A1 Steel pipe for use in reinforcement of automobile and method for production thereof
03/19/2003EP1293580A1 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same
03/19/2003EP1292393A1 Refining element for a refining disc
03/19/2003EP0911421B1 Composite work roll for cold rolling
03/19/2003CN1404075A Nano composite permanent magnetic RE alloy and its prepn
03/19/2003CN1403616A Low-carbon low-alloy steel and pipe
03/19/2003CN1403615A Iron-base bulk amorphous soft-magnetic alloy material
03/19/2003CN1403607A Prepn of intermetallic Fe-Al compound
03/19/2003CN1403606A Prepn process of anisotropic permanent magnetic thin RCo5 belt
03/19/2003CN1103380C High strength low alloy heat resisant steel
03/19/2003CN1103379C Corrosion-and high temp-resistant stainless steel and its application
03/18/2003WO2002024968A1 Steel plate excellent in shape freezing property and method for production thereof
03/18/2003US6534191 Sintered alloy and method for the hardening treatment thereof
03/18/2003US6532995 Super-high-strength line pipe excellent in low temperature toughness and production method thereof
03/13/2003WO2003021610A1 Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic member
03/13/2003WO2003020995A1 Use of a duplex stainless steel alloy
03/13/2003WO2003020994A1 Duplex steel alloy
03/13/2003WO2003020993A1 Rare earth magnet alloy ingot, manufacturing method for the same, r-t-b type magnet alloy ingot, r-t-b type magnet, r-t-b type bonded magnet, r-t-b type exchange spring magnet alloy ingot, r-t-b type exchange spring magnet, and r-t-b type exchange spring bonded magnet
03/13/2003US20030049153 Strength, toughness, and ductility; useful in articles such as an aircraft structural component or a golf club head
03/13/2003US20030049152 For casting the material, in which the service life of the die can be extended by inhibiting solidification contraction and in which casting defects such as size variations and cracks can be inhibited
03/13/2003US20030047258 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
03/13/2003US20030047257 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
03/13/2003US20030047256 High tensile cold-rolled steel sheet having excellent strain aging hardening properties
03/13/2003US20030047247 Cast steel composition for railway components
03/13/2003US20030047246 Material for tension type color-selective device for color cathode-ray tube and method of producing same
03/13/2003US20030047242 Hot forging the steel; machining and optionally piercing the forged product; carburizing and quenching and tempering the machined steel to attain an effective case depth of 0.4 to 0.9 mm
03/13/2003CA2459258A1 Use of a duplex stainless steel alloy
03/13/2003CA2459253A1 Duplex steel alloy
03/12/2003EP1291454A1 Stainless stell wire and producing method thereof
03/12/2003EP1291451A1 Electrical sheet having insulating coating and insulating coating
03/12/2003EP1291448A1 Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same
03/12/2003EP1291447A1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
03/12/2003EP1291446A1 A cast iron of particular composition which has good thixocasting properties
03/12/2003EP1291445A1 Steel material production method
03/12/2003EP1290237A1 Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools
03/12/2003EP1290236A1 Welding method, filler metal composition and article made therefrom
03/12/2003EP1289705A1 Composite tool
03/12/2003CN1402798A Martensitic stainless steel and steelmaking process
03/12/2003CN1401812A Method for making iron based marmem pipe joint
03/12/2003CN1401811A Valve tappet for engine
03/12/2003CN1401810A Abrasion-resistant iron and steel material
03/12/2003CN1401809A Carbon dioxide corrosion-resistant low alloy steel and oil casing
03/12/2003CN1401808A Antibacterial austenite stainless steel
03/12/2003CN1401807A Tagger steel strip for battery casing, and producing method thereof
03/12/2003CN1401806A Wear-resistant relieving material and mfg. process thereof
03/12/2003CN1401793A Bioriented silicon steel vaccum annealing process
03/12/2003CN1102965C High-strength die steel with excellent machining property
03/11/2003US6531007 Method for the manufacture of steel products of a precipitation hardened martensitic steel, steel products obtained with such method and use of said steel products
03/11/2003US6531005 Heat treatment of weld repaired gas turbine engine components
03/11/2003US6531000 Surface treated rolling bearing and manufacturing method thereof
03/06/2003WO2003019681A1 Thermoelectric transducing material, method for preparation thereof and thermoelectric transducer
03/06/2003WO2003019050A1 Two piece oil control ring with nitrided surface layers
03/06/2003WO2003018861A1 Process for rendering metals corrosion resistant
03/06/2003WO2003018858A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
03/06/2003WO2003018857A1 Steel plate exhibiting excellent workability and method for producing the same
03/06/2003WO2003018856A2 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
03/06/2003WO2002093591A3 Iron-based rare earth alloy nanocomposite magnet and method for producing the same
03/06/2003US20030045387 Hoop for CVT belt and manufacturing method therefor
03/06/2003US20030044334 Of steel
03/06/2003US20030044305 Cr containing steel for welded structure
03/06/2003US20030044304 High strength, oxidation resistance steel; valves for internal combustion engines
03/06/2003US20030041932 Hot rolling; controlling particle sizes
03/06/2003CA2457200A1 Process for rendering metals corrosion resistant
03/05/2003EP1288323A1 Corrosion resistant and cold formable chromium steel
03/05/2003EP1288322A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
03/05/2003EP1288316A1 Method for making high-strength high-toughness martensitic stainless steel seamless pipe
03/05/2003EP1287571A1 Material used at high temperatures
03/05/2003EP1287176A1 Austenitic alloy
03/05/2003EP1287171A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same
03/05/2003EP0778356B1 Ferritic heat resistant steels
03/05/2003CN1401212A High strength steel plate having superior electric and magnetic shielding property and method for producing same
03/05/2003CN1401013A Elongated element and steel for percussive rock drilling
03/05/2003CN1401012A Steel pipe having excellent formability and method for production thereof
03/05/2003CN1400959A Powders which have an antibacterial and a far infrared ray radiating property and a bio-wave steel plate which is coated with resin containing the same
03/05/2003CN1400611A 电阻材料 Resistive material
03/05/2003CN1400330A High-strength low-expanded alloy structure steel material
03/05/2003CN1400319A Manufacture of directional electromagnetic steel plate
03/05/2003CN1102674C Improved bearing steel
03/05/2003CN1102673C High strength petroleum annular tubes for prodn of super visous crude thermal prodn, well and method for producing same
03/05/2003CN1102672C High-strength and high-toughness steel alloyed only with copper element
03/05/2003CN1102671C High-performance impact-resisting steel
03/05/2003CN1102670C Non-directional electromagnetic steel sheet, and method for mfg. same
03/04/2003US6528012 At least one of the members is formed of Fe-Ni-base low thermal expansion coefficient alloy; weld metal free from cracking; excellent toughness and stress corrosion cracking resistance, workability and weldability
03/04/2003US6527877 A crystal structure in a solid iron-based solution comprising carbon in a dissolved and bonded state
03/04/2003US6527876 Silicon steel sheet and method for producing the same
03/04/2003US6527875 Magnetic powder and isotropic bonded magnet
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