| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
|---|
| 02/19/2002 | US6348079 Sintered alloy having a wear resistance for a valve seat and method of producing the same |
| 02/14/2002 | WO2002012592A1 Surface treatments to improve corrosion resistance of austenitic stainless steels |
| 02/14/2002 | WO2002012581A1 Weld metals with superior low temperature toughness for joining high strength, low alloy steels |
| 02/14/2002 | WO2002012580A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
| 02/14/2002 | WO2002012579A1 Composition for elements having a high strength, in particular for hot wear and thermal fatigue, rolls coated with said composition and method of deposition for the coating |
| 02/14/2002 | WO2001049437A3 Powder metallurgy produced sinter shaped part |
| 02/14/2002 | WO2001049436A3 Powder metallurgy produced press-sinter shaped part |
| 02/14/2002 | US20020017343 Power transmission shaft |
| 02/14/2002 | US20020017342 Improved workability and plating adhesion, comprising 0.03 to 2.0% by weight of nitrogen and having a volume fraction of retained austenite of 3-20%; automobiles, buildings, electric apparatus; excellent punch stretching when press forming |
| 02/14/2002 | US20020017341 Iron/hafnium/nitrogen with or without carbon possess a high saturation magnetic flux density and an excellent soft magnetic property at a high frequencies; hyperfine crystaline grain structure without requiring an additional heating |
| 02/14/2002 | DE10037363A1 Iron-based cast alloy used as a rolling material contains alloying additions of aluminum, boron, chromium, calcium, cobalt, manganese, molybdenum, niobium, tantalum, phosphorus, sulfur, silicon, titanium, vanadium, tungsten and zirconium |
| 02/13/2002 | EP1179608A2 Fuel tank made of ferritic stainless steel |
| 02/13/2002 | EP1179603A2 Method to produce grain-oriented electrical steel sheet having high magnetic flux density |
| 02/13/2002 | EP1179380A1 Martensite stainless steel welded steel pipe |
| 02/13/2002 | CN1335417A High-temperature antiwear alloy steel and its production process |
| 02/13/2002 | CN1335416A Magnetostriction control type alloy plate and structural element for colour kinescope and process for producing magnetostriction control type alloy plate |
| 02/13/2002 | CN1335414A Forming process of heat-resisting Cr-Mn-Ni-N austenic steel rod |
| 02/13/2002 | CN1079117C Ready-to-use metal wire and method for producing the same metal wire |
| 02/12/2002 | US6346337 Plurality of shaped layers of heat treated amorphous metal strips having nanocrystalline microstructure laminated to form polyhedron; low core loss; three-dimensional; magnetic resonance imaging; television, electronics |
| 02/12/2002 | US6346336 Soft magnetic film soft magnetic multilayer film method of manufacturing the same and magnetic device |
| 02/07/2002 | WO2002011219A1 Electrical cell including elemental iron and magnesium |
| 02/07/2002 | WO2002011158A2 Bulk metal magnetic component |
| 02/07/2002 | WO2002010631A1 Stainless steel oil feeding pipe |
| 02/07/2002 | WO2002010469A1 Stainless-steel pipe with excellent suitability for secondary processing for automotive structural member |
| 02/07/2002 | WO2002009964A1 Stainless steel fuel tank for automobile |
| 02/07/2002 | WO2001055077A3 Facility and method for the production of anhydrous formic acid |
| 02/07/2002 | US20020015655 Sheets with dimensional accuracy, durability of die, efficiency |
| 02/07/2002 | US20020014291 Used as driven gear of an arm type window regulator device for a vehicle, which is driven by a drive gear driven by a motor, surface hardness |
| 02/07/2002 | US20020014286 Steel holder block for plastic molding |
| 02/07/2002 | US20020014285 High strength and a long fatigue life |
| 02/07/2002 | US20020014284 Magnetic powder and isotropic bonded magnet |
| 02/07/2002 | US20020014282 Surface modified stainless steel |
| 02/06/2002 | EP1178313A2 Method of estimating the fatigue strength of high tensile strength steel and method of producing a high fatigue strength material |
| 02/06/2002 | EP1178126A1 Bar or wire product for use in cold forging and method for producing the same |
| 02/06/2002 | EP0708182B1 High-strength steel wire material of excellent fatigue characteristics and high-strength steel wire |
| 02/06/2002 | CN1334883A High-strength, high-toughness stainless steel excellent in resistance to delayed fracture |
| 02/06/2002 | CN1334356A Pitting-resistant double phase stainless steel alloy having improved machinability |
| 02/06/2002 | CN1078913C Method for making Fe-Ni alloy used in electron gun parts |
| 02/06/2002 | CN1078912C High-strength and high tenacity non-heat-treated steel having excellent machinability |
| 02/06/2002 | CN1078911C Steel sheet for double wound pipe and method of producing pipe |
| 02/06/2002 | CN1078910C Welded joint of high fatigue strength |
| 02/05/2002 | US6344098 Heat treatment process is provided that produces a monoblock, low alloy steel rotor for use in low pressure steam turbines. |
| 02/05/2002 | US6344095 Low-thermal expansion cast steel with excellent machinability |
| 02/05/2002 | US6344094 Ferritic-austenitic two-phase stainless steel |
| 02/05/2002 | US6344093 High tensile strength steel product for high heat input welding, having excellent toughness in heat-affected zone |
| 02/05/2002 | CA2224210C Free-machining austenitic stainless steel |
| 02/05/2002 | CA2220568C High strength iron-cobalt-vanadium alloy article |
| 02/05/2002 | CA2219596C Flexible alloy and components made therefrom |
| 01/31/2002 | WO2002008482A1 Railway wheels resistant to martensite transformation |
| 01/31/2002 | US20020012602 A fuel tank made of a ferritic stainless steel sheet containing 10 to 25 mass % of Cr and having an average r-value of 1.9 or larger, an r-value in-plane anisotropy Delta r of 1.0 or smaller, total elongation 30% or largerlarger |
| 01/31/2002 | US20020011287 Welded Structure made of low thermal expansion coefficient alloy and welding material therefore |
| 01/31/2002 | US20020011286 To be used with a painted film in coastland or cold district where steel structures are subjected to salt damage by airborne salt or deicing salt (as an antifreezing agent scattered on the road) |
| 01/31/2002 | US20020011285 Ferritic heat-resistant steel and method for producing it |
| 01/31/2002 | US20020011284 Producing seamless line pipes within the quality grade range X 52 to X 90, with a stable yield strength up to a temperature of use of 200 degrees C., and with an essentially constant stress-strain characteristic |
| 01/31/2002 | US20020011283 Used for sharp curves of a high-axle load railroad |
| 01/31/2002 | US20020011282 Anhysteretic magnetic permeability of 15,000 or higher at 0.35 Oe and yield stress of 24 kgf/mm2 or more. |
| 01/31/2002 | US20020011278 Secondary recrystallization, to accelerate precipitation of fine BN to improve the texture of primary recrystallized grains of said steel sheet for use prior to secondary recrystallization annealing |
| 01/31/2002 | DE10062282A1 Wärmebeständiger Stahlguss und Verfahren zu seiner Herstellung Heat-resistant cast steel and method for its manufacture |
| 01/31/2002 | DE10035489A1 Friction assembly for transmission of motion used, e.g., in motor vehicle gear boxes includes an element comprising a base body and a chromium-iron alloy friction coating |
| 01/30/2002 | EP1176221A2 Magnetorestriction control alloy sheet, a part of a Braun tube and a manufacturing method for a magnetorestriction control alloy sheet |
| 01/30/2002 | EP1176220A1 Ferritic stainless steel sheet having superior workability at room temperatures and mechanical characteristics at high temperatures, and method of producing the same |
| 01/30/2002 | EP1176217A2 High-strength hot-rolled steel sheet superior in strech flange formability and method for production thereof |
| 01/30/2002 | CN1333840A Cast steel composition for railway components |
| 01/30/2002 | CN1333540A Method for making choking winding silicon steel sheet |
| 01/30/2002 | CN1333384A Lock making by powder metallurgical material |
| 01/30/2002 | CN1333383A High-strength steel plate with fine working property and coating layer bond strength and method for making same |
| 01/30/2002 | CN1078628C Austenitic stainless steel and use thereof |
| 01/30/2002 | CN1078627C Cold rolled steel plate having excellent deep drawability and time limitation resistance, and method for mfg. same |
| 01/30/2002 | CN1078626C High-silicon abrasion resistant cast steel |
| 01/30/2002 | CN1078625C High-strength cold rolled steel sheet and highstrength plated steel sheet which have excellent geomagnetism shielding characteristics, and method of mfg. them |
| 01/30/2002 | CN1078624C unidirectional magnetic steel sheet and method of its manufacture |
| 01/30/2002 | CN1078623C High-strength steel having high impact energy absorption power and method for mfg. same |
| 01/29/2002 | US6342310 Alloy containing iron, silicon, manganese and carbon; zinc overcoatings |
| 01/29/2002 | US6342109 Rolling bearing |
| 01/29/2002 | US6342087 Stainless steel powder |
| 01/29/2002 | US6341896 Hydrodynamic bearing and method of manufacturing the same |
| 01/29/2002 | CA2243123C Steel products excellent in machinability and machined steel parts |
| 01/24/2002 | WO2002006548A1 Fe-ni or fe-ni-co or fe-ni-co-cu alloy strip with improved cuttability |
| 01/24/2002 | WO2002006547A1 Magnetic marker and its manufacturing method |
| 01/24/2002 | WO2002006546A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block |
| 01/24/2002 | WO2001081644A8 Austenic steel |
| 01/24/2002 | US20020010087 Skeletal iron catalyst and its preparation for fischer-tropsch synthesis processes |
| 01/24/2002 | US20020009382 Chemical resistant to sulfuric acid |
| 01/24/2002 | US20020009381 Controlling concentration |
| 01/24/2002 | US20020008936 Corrosion-resistant soft magnetic film, method of producing the same, thin film magnetic head using the same and method of manufacturing the thin film magnetic head |
| 01/24/2002 | US20020008456 Masking device for a flat-screen colour-display cathode-ray tube with a tensioned shadow mask made of Fe-Ni alloys |
| 01/24/2002 | US20020007876 Ferritic stainless steel |
| 01/24/2002 | US20020007874 Heat resistant alloy |
| 01/24/2002 | US20020007871 High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe |
| 01/24/2002 | US20020007870 Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties |
| 01/23/2002 | EP1174524A2 Surface layer for forming a running layer on a cylinder wall, coating powder therefor and process for producing such a surface layer |
| 01/23/2002 | EP1173628A1 Iron-nickel alloy |
| 01/23/2002 | EP1173625A1 Method for producing a rolling bearing steel |
| 01/23/2002 | CN1332807A Steel band with good forming properties and method for producing same |
| 01/23/2002 | CN1332264A Antiwear cast alloy material with high sulfur content and several compoiste self-lubricating phases |
| 01/23/2002 | CN1078262C Austenite ferrite stainless steel of low nickel-content and high stretch percentage elongation |
| 01/23/2002 | CN1078261C Low-expansibility and antioxidant high temperature alloy |
| 01/23/2002 | CN1078258C Quick quenching method for preparing anisotropic permanent-magnet Sm-Co materials |
| 01/23/2002 | CN1078256C Process for producing grain-orientated magnetic steel sheet |
| 01/23/2002 | CN1078252C Production method of heat-treated member |