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)
11/2000
11/16/2000DE19950502C1 Hot rolled low alloy low carbon steel strip production, especially for deep drawing quality cold rolled strip manufacture, by rapidly cooling and then air cooling continuously cast strand before reheating and hot rolling
11/16/2000DE19921328A1 Stahl zur Herstellung von Bauteilen von Bildröhren und Verfahren zur Herstellung von für die Fertigung von Bauteilen für Bildröhren bestimmtem Stahlblech Steel for the manufacture of components of picture tubes and process for preparing for the manufacture of components for picture tubes intended sheet steel
11/15/2000EP1052305A2 Metallic material with high hardness, high wear resistance and high toughness
11/15/2000EP1052304A1 Martensitic corrosion resistant chromium steel
11/15/2000EP1052303A2 High tensile strength steel product for high heat input welding, having excellent toughness in heat-affected zone
11/15/2000EP1052302A1 High strength cold rolled steel plate and method for producing the same
11/15/2000EP1052301A1 Ferrite sheet steel excellent in strain rate dependency and automobile using it
11/15/2000EP1052296A2 Armour plate and process for its manufacture
11/15/2000EP1052089A2 Method of manufacturing a composite steel sheet, particularly for the protection of vehicles against bombardment
11/15/2000EP1052043A2 Silicon steel plate and method for producing the same
11/15/2000EP1051714A1 Soft magnetic nickel-iron alloy with low coercive field strength, high permeability and improved resistance to corrosion
11/15/2000EP1051531A1 Steel and method for making cleavable mechanical parts
11/15/2000EP1051530A1 Advanced case carburizing secondary hardening steels
11/15/2000EP1051529A1 Non-magnetic corrosion resistant high strength steels
11/15/2000CN1273612A Method for producing raw plate for surface treatment plate for can using continuous annealing
11/15/2000CN1273611A Method for producing high silicon steel and silicon steel
11/15/2000CN1058533C Reinforced three-proof material for state treasury door and safe
11/14/2000US6146761 Functional particle-dispersed thin film, granular magnetic thin film and production processes thereof
11/14/2000US6146760 High strength cord
11/14/2000US6146583 Alloy steel composition and chain products fabricated in such alloy steel
11/14/2000US6146582 Suitable as components for super heater steel and heat exchanger steel, carbon boiler
11/14/2000US6146475 Free-machining martensitic stainless steel
11/14/2000US6146474 Iron-cobalt alloy
11/14/2000US6146472 Method of making case-carburized steel components with improved core toughness
11/14/2000US6146033 Ultra high tensile, yield and fatigue strengths; particularly suited for use as a hammerspring in hammerbanks in impact printers and for other applications where magnetic alloys are used and high mechanical strength is desirable
11/14/2000CA2204339C Metal-core weld wire for welding galvanized steels
11/09/2000WO2000066802A1 Iron-nickel alloy
11/09/2000WO2000066801A1 Steel cold work tool, its use and manufacturing
11/09/2000WO2000066797A1 Metal matrix composite especially intended for piston rings
11/09/2000DE19946889C1 Aging resistant aluminum-killed steel strip, for manufacturing cold formed components e.g. bodywork parts, is produced by subjecting rolled strip to continuous annealing, hot coiling, cooling to room temperature and skin pass rolling
11/09/2000DE10014656A1 Cold/hot processing and heat treatment process for high alloyed steel comprises hot/cold processing followed by hot isostatic pressing to eliminate tears and hollow spaces
11/09/2000CA2369298A1 Steel cold work tool, its use and manufacturing
11/08/2000EP1050663A2 Article having protuberances for creating turbulent flow and method for providing protuberances on an article
11/08/2000EP1049552A1 Steel powder for the preparation of sintered products
11/08/2000CN1272946A Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
11/08/2000CN1272890A Steel wire rod and method of manufacturing steel for the same
11/08/2000CN1272889A Stainless steel product having excellent antimicrobial activity and method for production thereof
11/08/2000CN1272554A Nanometer grain low-alloy steel plate and its production method
11/07/2000US6143430 Suitable as a material for a container for holding and retaining an automobile fuel such as gasoline, alcohol, gasoline containing alcohol, or the like, i.e., a fuel tank, and fuel tank peripheral components
11/07/2000US6143425 Improvements of a rolling bearing for use in a precision equipment, a food machine, and a semiconductor-related equipment, and improvements of a linear guide apparatus, and a ball screw
11/07/2000US6143242 An improved steel can be used without quenching and tempering after forming by hot forging
11/07/2000US6143241 Reducing surface hardness of the cold worked product sufficiently to allow further cold working by heating in less than one minute
11/07/2000US6142756 A vane of a compressor is made of solid phase sintering material of which a sintering density is not less than 7.2g/cm3 and a hollow rate is not more than 10% and to which a chromium nitride is adhered by physical vapor deposition
11/02/2000WO2000065120A1 Free-machining austenitic stainless steel
11/02/2000WO2000065119A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof
11/02/2000WO2000065103A2 Method of producing non-grain-oriented electrical sheet
11/02/2000WO2000064613A1 Method for continuously casting ferritic stainless steel strips free of microcracks
11/02/2000WO2000064612A1 Method for continuously casting between two rolls austenitic stainless steel strips with excellent surface quality and resulting strips
11/02/2000WO2000047354B1 Method of manufacturing metallic products such as sheet by cold working and flash annealing
11/02/2000WO2000034543A9 Heat-resisting alloy with magnesium and calcium
11/02/2000EP1048744A1 Bearing steel excellent in rolling fatigue life
11/02/2000EP1047804A1 Free-machining martensitic stainless steel
11/02/2000EP1047799A1 Ultra-high strength steels with excellent cryogenic temperature toughness
11/02/2000EP1047798A1 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness
11/02/2000CA2367602A1 Method of producing non-grain-oriented electrical sheet
11/01/2000CN1272212A Corrosion-resisting permanent magnet and method for producing same
11/01/2000CN1271634A Flux cord welding rod used in gas shielded arc welding
11/01/2000CN1058060C As-cast wear resisting steel for thermal power plant and its producing method
10/2000
10/31/2000US6140607 Gas shielded arc-welding flux cored wire
10/31/2000US6139650 Hot-rolling a slab to form a hot-rolled steel sheet, cold-rolling the hot-rolled steel sheet to form a cold-rolled steel sheet; and finish annealing the cold-rolled steel sheet.
10/31/2000US6139599 Abrasion resistant iron base sintered alloy material for valve seat and valve seat made of iron base sintered alloy
10/31/2000US6139598 Powdered metal valve seat insert
10/31/2000US6138351 Method of making a valve seat
10/26/2000WO2000063455A1 Engineering steel and rolling bearing component
10/26/2000WO2000063454A1 Corrosion-free iron-nickel alloy for residual-current circuit-breakers and clockworks
10/26/2000WO2000063453A1 Very thin 2-piece container steel sheet excellent in pucker resistance at neck diameter reduction and in earing and production method therefor
10/26/2000WO2000063450A1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof
10/26/2000WO2000063449A1 Method for producing a rolling bearing steel
10/26/2000DE19918484A1 Non-grain-oriented electrical steel sheets are produced using a wide range of steel starting materials and a wide range of hot rolling, coiling, pickling, cold rolling and final treatment parameters
10/25/2000EP1046723A1 Stainless steel product for producing polymer electrode fuel cell
10/25/2000EP1046454A1 Gas shielded arc-welding flux cored wire
10/25/2000CN1271028A Antifriction cast steel containing chromium and tungsten sulfide
10/25/2000CN1271027A Stainless steel material for solid polymer fuel battery
10/25/2000CN1057810C Rails
10/25/2000CN1057714C Method for mfg. cold rolled steel sheet with excellent enamel adherence
10/24/2000US6136266 Reinforcement of motor vehicles of steels
10/24/2000US6136238 Preparing a solid, microcellular or expanded plastic molded item produced in mold having internal surface consisting of steel, without using release agents
10/24/2000US6136110 Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same
10/24/2000US6136109 Forming a pipe from a steel comprising specific weight percent of carbon, silicon, manganese, copper, nickel, nitrogen and high percentage of chromium, balance iron, austenizing, quenching, heat treating, cooling, annealing
10/24/2000US6136102 Maraging steel
10/24/2000US6136099 Rare earth-iron series permanent magnets and method of preparation
10/24/2000CA2018636C Precipitation hardening ferritic-pearlitic steel
10/19/2000WO2000062361A1 Active electrode compositions comprising raney based catalysts and materials
10/19/2000WO2000061829A1 Atmospheric corrosion resistant steel product
10/19/2000WO2000061322A1 Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof
10/19/2000WO2000061241A1 Metal alloy golf club heads
10/19/2000CA2333526A1 Corrosion resistant steel materials
10/19/2000CA2333079A1 Active electrode compositions comprising raney based catalysts and materials
10/18/2000EP1045044A1 Steels for cold forging and process for producing the same
10/18/2000EP1044287A1 Nitriding steel, method for obtaining same and parts formed with said steel
10/18/2000CN1270661A Sliding member and refrigerating compressor using the same
10/18/2000CN1270639A Pipeline distribution network system for transportation of liquefied natural gas
10/18/2000CN1270238A Soleplate of low-alloy austenite-bainite steel and its heat treatment process
10/18/2000CN1270237A Continuous casting billets without surface crackings and manufacture of non-treated high tension steel by using same
10/18/2000CN1057571C Fe-Ni alloys for electron gun parts and punched electron gun parts
10/17/2000US6132892 Soft magnetic alloy film and manufacturing method thereof, and magnetic head incorporating the same
10/17/2000US6132888 Stainless steel wire and producing method thereof
10/17/2000US6132525 Manufacturing of materials and workpieces for components in nuclear plant applications
10/12/2000WO2000060616A1 Workable, semi-hard magnetic alloy with small magnetostriction and article made therefrom
10/12/2000WO2000060134A1 Ferritic stainless steel plate
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