Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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05/07/2002 | US6383308 Torsion bar for seat belt retractor |
05/03/2002 | CA2361180A1 Thermal fatigue resistant stainless steel articles |
05/02/2002 | WO2002034958A1 Iron-manganese-silicon-based shape memory alloys containing chromium and nitrogen |
05/02/2002 | WO2002034957A1 Sintered sprocket |
05/02/2002 | US20020052423 Skeletal iron catalyst having improved attrition resistance and product selectivity in slurry-phase synthesis processes |
05/02/2002 | US20020051727 FeCrAI alloy |
05/02/2002 | US20020050308 Heat resistant carburized rolling bearing component and manufacturing method thereof |
05/02/2002 | US20020050306 Rare earth metal-based permanent magent, and process for producing the same |
05/02/2002 | EP1201781A2 Non-stainless steel nitrided piston ring, and method of making the same |
05/02/2002 | EP1201780A1 Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same |
05/02/2002 | EP1200647A1 Method for producing improved cold rolled strip that is capable of being deep drawn or ironed, and cold rolled strip, preferably used for producing cylindrical containers and, in particular, battery containers |
05/02/2002 | EP1200638A1 Improved bainitic steel |
05/02/2002 | EP1200637A1 Powder metallurgy manufactured high speed steel |
05/02/2002 | EP1200635A1 High resistance steel band or sheet and method for the production thereof |
05/02/2002 | DE10052745A1 Process for achieving elevated cold deformation ability of corrosion-resistant meta-stable austenitic steels during their production comprises using a specified martensite equivalent |
05/02/2002 | DE10052744A1 Production of tear-free cold deformed parts made from corrosion-resistant meta-stable austenitic steels comprises determining the instability of the steel in the form of a martensite equivalent, and post rolling |
05/02/2002 | DE10048870A1 Gehäuse für Kunststoff-, Metallpulver-, Keramikpulver- oder Lebensmittelverarbeitungsmaschinen Housing for plastic, metal powder, Keramikpulver- or food processing machines |
05/01/2002 | CN1347462A Rolling bearing steel having surface with lower baintic structure and method for production thereof |
05/01/2002 | CN1347352A Method for continuously casting ferritic stainless steel strips free of microcracks |
05/01/2002 | CN1346901A Cr-Al-Mo steel resisting hydrogen sulfide (and chloride) stress corrosion cracking |
05/01/2002 | CN1346900A Powder sinter process for preparing permanent-magnet Al-Ni-Co-Ti alloy |
05/01/2002 | CN1346899A Fe-Ni permalloy, method for mfg same and casting brank |
05/01/2002 | CN1083903C High-strength high-workability cold rolled steel sheet having excellent impact resistance and mfg. method therefor |
05/01/2002 | CN1083902C Steel sheet with fine square drawing property and making method thereof |
05/01/2002 | CN1083894C Process for mfg. strip made of alloy of iron-nickel type from continuously cast thin strip |
05/01/2002 | CN1083893C 高抗拉强度钢及其生产方法 High tensile strength steel and production methods |
04/30/2002 | US6379821 Martensitic stainless steel welded pipe |
04/30/2002 | US6379611 High strength, low alloy, heat resistant steel |
04/30/2002 | US6379477 Fe-Cr-Ni alloy for electron gun electrodes and Fe-Cr-Ni alloy sheet for electron gun electrodes |
04/30/2002 | US6379476 Stainless steels for producing polymers with low electrical resistance |
04/30/2002 | US6379475 Tools for dies, punches, stamping cores, steels, carburizing, nitriding and induction hardening |
04/30/2002 | CA2069923C Deep hardening steel having improved fracture toughness |
04/25/2002 | WO2002033139A1 Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing |
04/25/2002 | US20020048529 Grain-refined austenitic manganese steel casting having microadditions of vanandium and titanium and method of manufacturing |
04/25/2002 | US20020047389 Spindle motor and pivot assembly |
04/25/2002 | DE10049660A1 Verfahren zum Herstellen lokal verstärkter Blechumformteile A method for producing the locally enhanced formed sheet metal parts |
04/24/2002 | EP1199375A1 Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability |
04/24/2002 | EP1199374A1 A novel stainless steel for a disc brake rotor |
04/24/2002 | EP1198619A2 Bond coats for turbine components and method of applying the same |
04/24/2002 | EP1198605A2 Methods of forming steel |
04/24/2002 | EP1198604A1 Nickel-poor austenitic steel |
04/24/2002 | EP1198603A1 Free-machining steels containing tin, antimony, and/or arsenic |
04/24/2002 | EP1198602A1 Medium carbon steels and low alloy steels with enhanced machinability |
04/24/2002 | EP1198601A1 Sintered steel material |
04/24/2002 | EP1198395A1 Special steel canister for propellant-operated dosing aerosols |
04/24/2002 | EP1198317A1 Improved method of making powder metallurgical compositions |
04/24/2002 | EP1097248B1 Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel |
04/24/2002 | CN1346301A Method of manufacturing metallic products such as sheet by cold working and flash annealing |
04/24/2002 | CN1345984A Hot-rolled steel sheet with fine antiweatherability and working property and method for making same |
04/24/2002 | CN1083525C 涡轮轴 Turboshaft |
04/24/2002 | CN1083495C 用于荫罩的因瓦合金薄钢板的生产方法 Invar shadow mask manufacturing method for steel sheet |
04/24/2002 | CN1083494C Non-oriented electrical steel sheet and method ofr manufacturing the same |
04/24/2002 | CN1083490C Method for cold rolling thin and inner shield cover steel plate having excillent magnetic field shield property |
04/23/2002 | US6376089 Process for producing rare earth metal-based permanent magnet having corrosion-resistant film |
04/23/2002 | US6375895 Carbon, chromium, molbdenum and iron; wear resistance; welding; noncracking; tool joints; stabilizers in oil and gas well drilling |
04/23/2002 | US6375765 Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof |
04/23/2002 | US6375764 Weaving machine member made of an abrasion-resistant steel |
04/23/2002 | US6375763 Pearlitic steel railroad rail |
04/23/2002 | US6375760 Method for controlling structure of two-phase steel |
04/23/2002 | US6375705 Oxide-dispersion strengthening of porous powder metalurgy parts |
04/23/2002 | CA2067719C Nanocrystal powders of an electro-active alloy and preparation process thereof |
04/18/2002 | WO2002031844A2 Co-mn-fe soft magnetic alloys |
04/18/2002 | WO2002031213A1 Cr containing steel for welded structure |
04/18/2002 | WO2002030595A1 Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
04/18/2002 | WO2001049438A3 Powder metallurgy produced press-sinter shaped part |
04/18/2002 | US20020045079 Hydrogen supply device |
04/18/2002 | US20020044882 Low cost, corrosion and heat resistant alloy for diesel engine valves |
04/18/2002 | US20020044880 Primary microstructure is martensite, wherein nitrogen and oxygen as impurities are restricted; equation relating carbon, sulfur and silicon content |
04/18/2002 | US20020044879 Machine structure steel superior in chip disposability and mechanical properties |
04/18/2002 | US20020044878 Given mass percent of magnesium and specified distribution index for the sulfide particles; machinability, transverse direction toughness; lead-free |
04/18/2002 | US20020043358 Production of thin steel strip |
04/18/2002 | US20020043357 Method of producing steel strip |
04/18/2002 | US20020043314 Method of manufacturing fe-ni alloy |
04/18/2002 | US20020043306 Fe-Co-Ni alloy and use for the manufacture of a shadow mask |
04/18/2002 | US20020043305 Weld metals with superior low temperature toughness for joining high strength, low alloy steels |
04/18/2002 | US20020043304 Method of producing steel strip |
04/18/2002 | US20020043299 Non-oriented electrical steel sheet having the following chemical composition: Carbon 0.01% or less, Silicon 2.5% or less, Manganese 2% or less, Aluminum 1-5%, (Si+Al+0.5x Mn 2.5 to 5%, sheet thickness 0.1 to 0.4mm. excellent workabiltiy |
04/18/2002 | US20020043131 Iron-based powder suitable for use in high strength sintered components; can undergo recompaction under light load |
04/18/2002 | US20020043111 Method for setting shape and working stress, and working environment of steel member |
04/18/2002 | DE19732872C2 Anzeigeelement für die Verwendung in einem magnetischen Diebstahlsicherungssystem Display element for use in a magnetic anti-theft system |
04/18/2002 | CA2423570A1 Co-mn-fe soft magnetic alloys |
04/17/2002 | EP1197975A1 Method of producing corrosion resistant magnet powder, and product produced by the same method |
04/17/2002 | EP1197571A1 Steel product for oil well having high strength and being excellent in resistance to sulfide stress cracking |
04/17/2002 | EP1197569A1 Fe-Ni permalloy and method of producing the same |
04/17/2002 | EP0653262B1 Alloy steel powder for sinter with high strength, high fatigue strength and high toughness, sinter, and process for producing the sinter |
04/17/2002 | CN1344932A Setting method of shape, working stress and using environment of steel member |
04/17/2002 | CN1344816A Cutting structural steel with machinability and fine mechanical performance |
04/16/2002 | US6372181 Iron alloy with nickel, chromium, and specified titanium:aluminum ratio and niobium:carbon ratio |
04/16/2002 | US6372058 Permits flattening of screen of color picture tube |
04/16/2002 | US6372057 Steel alloy railway wheels |
04/16/2002 | US6372056 Tensile strength, shaving properties and green drawing properties important in spring production |
04/16/2002 | US6372014 Magnesium injection agent for ferrous metal |
04/16/2002 | US6371063 Valve-open-close mechanism |
04/16/2002 | CA2202259C Corrosion-resistant magnetic material |
04/11/2002 | WO2002029128A1 High performance nanostructured materials and methods of making the same |
04/11/2002 | WO2002028569A1 A method of producing steel strip |
04/11/2002 | US20020040744 Steel wire rod for cold forging and method for producing the same |
04/11/2002 | US20020040743 Rolling shaft |
04/11/2002 | CA2422133A1 A method of producing steel strip |
04/10/2002 | EP1195447A1 Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production |