Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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07/23/1998 | WO1998031843A1 Method for making seamless tubing with a stable elastic limit at high application temperatures |
07/23/1998 | DE19701443A1 Cold rolled steel sheet or strip with good formability used for car parts production |
07/22/1998 | CN1188515A Steel sheet for two-piece battery can excellent in moldability, secondary work embrittlement resistance, and corrosion resistance |
07/22/1998 | CN1188317A Process for manufacturing magnetic core made of nanocrystalline soft magnetic material |
07/22/1998 | CN1188156A High hardness weldable wearproof casting alloy |
07/22/1998 | CN1039246C Low-carbon and low-alloy structural steel without chromium and nickel |
07/21/1998 | US5784681 Method of making a sintered article |
07/21/1998 | US5783145 Iron-nickel alloy and cold-rolled strip with a cubic texture |
07/21/1998 | US5783143 Alloy steel resistant to molten zinc |
07/21/1998 | US5782999 Containing carbon, manganese, aluminum, nitrogen and niobium;excellent strength; automatic laundering machines |
07/16/1998 | WO1998030727A1 Steam turbine rotor materials for high-temperature use |
07/14/1998 | US5780175 Articles comprising magnetically soft thin films and methods for making such articles |
07/14/1998 | US5780170 Sychronizing ring having a sintered friction coating |
07/14/1998 | US5780165 Martensitic stainless steels; heat resistance, toughness, noncracking |
07/14/1998 | US5779972 Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas |
07/14/1998 | US5779822 Having a carbide phase produced by aging heat treatment of single crystal austenitic phase; nuclear reactor cores; nuclear fusion reactors; stress corrosion cracking resistance; high strength; durability |
07/14/1998 | US5779821 Rotor for steam turbine and manufacturing method thereof |
07/14/1998 | US5779820 Slow cooling hot, high chromium steel to between 950 degrees and 850 degrees celcius in a first phase, subsequent rapid cooling to between 650 degrees and 550 degrees celcius in second phase |
07/14/1998 | US5779819 Grain oriented electrical steel having high volume resistivity |
07/14/1998 | CA2124838C High strength hot rolled steel plates and sheets excellent in uniform elongation after cold working and process for producing the same |
07/08/1998 | EP0852265A1 Magnetic shield material, production method thereof and color image tube assembling the material |
07/08/1998 | CN1186872A Method for treating metal surface, rotary shaft for refrigerant compressor treated by method, vane for refriegerant compressor treated by method, and refrigerant compressor using the same |
07/08/1998 | CN1186871A Wear resistant alloy steel and wear resistant steel ball made from said steel |
07/08/1998 | CN1039036C Martensitic heat-resisting steel having excellent resistance to HAZ softening and process for producing the steel |
07/08/1998 | CN1039035C Non-heat-treated hot-forging steel excellent in tensile, fatigue strength and machinability |
07/08/1998 | CN1039034C Cold rolled steel sheet of excellent delayed fracture resistance and superhigh strength and method of manufacturing the same |
07/08/1998 | CN1039033C Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability |
07/07/1998 | US5776267 Spring steel with excellent resistance to hydrogen embrittlement and fatigue |
07/02/1998 | WO1998028457A1 Thin steel plate of high rectangular tube drawability and method of manufacturing the same |
07/02/1998 | WO1998028453A1 Process for the treatment of grain oriented silicon steel |
07/02/1998 | WO1998028452A1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
07/02/1998 | WO1998028451A1 Process for the production of grain oriented silicon steel sheet |
07/02/1998 | WO1998028450A1 High strength deep drawing steel developed by reaction with ammonia |
07/02/1998 | DE19757359A1 Carbon steel for hot forged connecting rod |
07/02/1998 | CA2250742A1 High strength deep drawing steel developed by reaction with ammonia |
07/01/1998 | EP0851195A1 Tire roller for transporting slabs |
07/01/1998 | EP0851039A1 Stainless steel wire and process for production |
07/01/1998 | EP0851038A1 Steel and process for forming a steel article by cold plastic working |
07/01/1998 | EP0851037A1 High-chromium and high-nickel alloy with hydrogen sulfide corrosion resistance |
07/01/1998 | EP0850701A1 Method and installation for producing bars with a refined and/or compressed structure by roll forging |
07/01/1998 | CN1038926C Apparatus for producing mineral wool |
06/30/1998 | US5772957 High strength steel composition having enhanced low temperature toughness |
06/30/1998 | US5772956 High strength, ferritic heat-resistant steel having improved resistance to intermetallic compound precipitation-induced embrittlement |
06/30/1998 | US5772795 Nitriding in annealing furnace; strengthening |
06/30/1998 | CA2225782A1 Steel and process for manufacturing a steel part shaped by cold working |
06/30/1998 | CA2116504C Process for manufacturing high-strength bainitic steel rails with excellent rolling-contact fatigue resistance |
06/25/1998 | WO1998027242A1 High bearing-strength steel parts and processes for the production thereof |
06/25/1998 | WO1998027234A2 Helical spring with high volumetric efficiency and method for the production thereof |
06/24/1998 | EP0849434A2 Heat resisting steam turbine rotor |
06/24/1998 | EP0849372A1 Low alloy construction steel having active particles |
06/24/1998 | EP0849371A1 Non-oriented magnetical steel sheet |
06/24/1998 | EP0849368A1 Shaped rolled product and method of making the same |
06/24/1998 | CN1185813A Process for producing aluminum-killed steel free of cluster |
06/24/1998 | CN1185359A Formed rolled piece and mfg. method thereof |
06/24/1998 | CN1038855C Stainless steel for coins |
06/23/1998 | US5769974 Process for improving magnetic performance in a free-machining ferritic stainless steel |
06/23/1998 | US5769970 Steel for the manufacture of separable mechanical components and separable mechanical component |
06/23/1998 | US5769969 Contains at least one element from the alkali and alkaline earth metals |
06/23/1998 | US5769308 Welding material for use in hard-facing and method of determining components thereof |
06/23/1998 | CA2014039C Flexible hot rolled steel sheets having improved deep drawability |
06/18/1998 | WO1998026434A1 Display unit for use in a magnetic anti-theft system |
06/17/1998 | EP0848397A1 Manufacturing process of a soft magnetic iron based alloy component with nanocristalline structure |
06/17/1998 | EP0848072A1 An abrasion resistant valve seat made of sintered alloy for internal combustion engines |
06/17/1998 | EP0848069A2 Process for manufacturing corrosion resistant steel bottles or vessels |
06/17/1998 | CN1185182A Martensitic stainless steel having high mechanical strength and corrosion resistance and relative mfd. articles |
06/17/1998 | CN1185012A Process for mfg. magnetic component made of iron-based soft magnetic alloy having nanocrys talline structure |
06/17/1998 | CN1038795C 3 : 29 phase rare-earth iron nitride permanent magent, and the prepn. method |
06/16/1998 | US5766381 Method of producing bainitic steel materials having a less scattering of properties |
06/16/1998 | US5766376 High-strength ferritic heat-resistant steel and method of producing the same |
06/16/1998 | US5766375 Non-oriented magnetic steel sheet having excellent bending workability |
06/11/1998 | WO1998025280A1 Process for the production of magnet |
06/11/1998 | WO1998024942A1 Steel sheet for double wound pipe and method of producing the pipe |
06/11/1998 | WO1998024941A1 Iron-based powder |
06/10/1998 | EP0846778A1 Melting of nickel laterite and sulfur-bearing Ni concentrate in making Ni-alloyed iron and stainless steel |
06/10/1998 | EP0846522A2 Alumino-thermic mixture |
06/10/1998 | EP0846521A2 Material for use in the manufacture of a catalytic converter |
06/10/1998 | EP0846443A1 Non-magnetic stainless steel surgical needle |
06/10/1998 | EP0846189A1 Iron-based shape memory and vibration damping alloys containing nitrogen |
06/10/1998 | EP0750686B1 Corrosion and wear-resistant chill casting |
06/10/1998 | CN1184508A Cavitation erosion resistant steel |
06/10/1998 | CN1184321A Apparatus for manufacturing permanent magnet |
06/09/1998 | US5762725 Steel for the manufacture of forging having a bainitic structure and process for manufacturing a forging |
06/04/1998 | WO1998023785A1 High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same |
06/04/1998 | WO1998023784A1 Steel having excellent machinability and machined component |
06/04/1998 | DE19742197A1 Manufacturing device for anisotropic permanent magnet |
06/04/1998 | CA2222840A1 Aluminothermic mixture |
06/04/1998 | CA2221644A1 Recovering ni units for stainless steel by sequentially smelting ni laterite and ni sulfite concentrate in an iron bath |
06/03/1998 | EP0845544A1 Steel product made from bainitic steel and process for making the steel product |
06/03/1998 | EP0845050A1 Product used to guide a hot oxidizing gas |
06/03/1998 | CN1183478A Excellent machining property steel and sheet steel by electric furnace-vacuum degasifying process, and mfg. method thereof |
06/02/1998 | US5759308 Iron alloys tempered by heating to precipitate crystals for tensile strength |
06/02/1998 | US5759306 Method for making a steel sheet suitable as a material for can making |
06/02/1998 | US5759304 Process for producing hot rolled steel strip with adjusted strength |
06/02/1998 | US5759299 Steels with bainite structure |
06/02/1998 | US5759297 Smelting, casting, hot rolling, slow cooling and quenching; 75% of ferrite is hardened by precipitation of titanium or titanium and niobium carbides or carbonitrides, remainder comprising marteniste, possiblly bainite and austenite |
06/02/1998 | US5759294 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses |
06/02/1998 | US5759227 Iron alloys for wear resistant valves |
06/02/1998 | US5758696 Iron, nickel, chromium, martensite with strain-induced microstructure |
05/28/1998 | WO1998022255A1 Wire for welding high-chromium steel |
05/28/1998 | WO1998022248A1 Method of bonding two-phase stainless steel |