Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/1999
06/15/1999US5913255 Radially anisotropic sintered R-Fe-B-based magnet and production method thereof
06/15/1999US5911842 Heat resisting steel and steam turbine rotor shaft and method of making thereof
06/15/1999US5911840 Process for manufacturing a magnetic component made of an iron-based soft magnetic alloy having a nanocrystalline structure
06/15/1999CA2154779C Rails of pearlitic steel with high wear resistance and toughness and their manufacturing methods
06/15/1999CA2154589C Continuously cast slab of extremely low carbon steel with less surface defects in steel sheet-producing step; extremely low carbon sheet steel; and process for producing the same
06/10/1999WO1999028944A1 Composite shadow mask and cathode ray tube incorporating same
06/10/1999WO1999028518A1 Use of an air-hardening steel deoxidized before casting as material for producing a high-strength, weldable, semi-finished product
06/10/1999WO1999028068A1 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
06/10/1999DE19754291A1 Wear protection segment comprises ductile baseplate bearing buffer, hard facing and armor layers
06/09/1999EP0921532A1 Hard magnetic material
06/09/1999EP0921206A1 Austenitic stainless steel with good oxidation resistance
06/09/1999EP0920701A1 Product with magnetic properties, method of its preparation and magnet obtained from this product
06/09/1999CN1218842A Superhard aluminium-containing high speed steel
06/09/1999CN1218841A New Fe-Cr-Co permanent magnetic alloy material
06/08/1999US5910285 Substantially free of chromium and nickel
06/02/1999EP0919638A1 Laser clad pot roll sleeves and bushing for galvanizing baths
06/02/1999EP0919637A1 Fine-austenite-grain sulphur-containing steel having improved machinability and its method of manufacture
06/02/1999EP0919636A1 Free-cutting steel with improved machinability
06/02/1999EP0771366B1 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
06/02/1999CN1218518A Device and process for producing plastic components, especially polyurethane mouldings
06/02/1999CN1218115A Low carbon and super low carbon copper and boron bainite steel
06/01/1999US5908710 Process for manufacturing a clad sheet which includes an abrasion-resistant layer made of tool steel, and clad sheet obtained
06/01/1999US5908515 Friction resistance
06/01/1999US5908486 Are strengthened and ductility retained by atomization of a metal melt under cover of an inert gas with added oxygen to form approximately 8 nanometer-size hollow oxides within the alloy grains and, when the alloy is aged, strengthened by
06/01/1999CA2134342C Thin cast strip and thin steel sheet of common carbon steel containing large amounts of copper and tin and process for producing the same
06/01/1999CA2110024C Non-aqueous electrolyte cell
05/1999
05/27/1999WO1999025891A1 Tin-bearing free-machining steel
05/27/1999WO1999025890A1 A heat resistant steel
05/27/1999WO1999025889A1 VALVE SEAT MADE OF Fe-BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE
05/27/1999DE19751640A1 Forged connecting rod consisting of carbon steel, with fracture separated bearing cap
05/26/1999EP0918099A1 Chrome-manganese steel alloy
05/26/1999EP0918098A1 Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof
05/26/1999EP0917595A1 Heavy duty soft magnetic steel suitable for welding and its use in parts of magnetic levitational railways
05/26/1999EP0917594A1 Steel, method for its manufacture, its use and product made from steel
05/26/1999EP0917593A1 Making metal powder articles by sintering, spheroidizing and warm forming
05/26/1999EP0845050B1 Product used to guide a hot oxidizing gas
05/26/1999CN1217388A Use of anthracite coal to substitute for coke to smelt ferro-silicon alloy
05/26/1999CN1043478C Backing material for metal band saw having superior fatigue strength weld zone and said metal band saw
05/25/1999US5906791 Steel alloys
05/25/1999US5906691 Induction hardened microalloy steel having enhanced fatigue strength properties
05/25/1999US5906690 Method of producing cold-rolled, high-strength steel strip with good plasticity and isotropic properties
05/25/1999US5906096 Compressor for turbine and gas turbine
05/20/1999WO1999024728A1 Rolling bearing and method of producing the same
05/20/1999WO1999024630A1 High fatigue-strength steel wire and spring, and processes for producing these
05/19/1999EP0666331B1 Steel containing ultrafine oxide inclusions dispersed therein
05/19/1999EP0648853B1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
05/18/1999US5904830 Process for finishing steelwire
05/18/1999US5904787 Wire for springs of steel
05/14/1999WO1999023268A1 High-strength cold rolled steel sheet and high-strength plated steel sheet which have excellent geomagnetism shielding characteristics, and method of manufacturing them
05/14/1999WO1999023267A1 Non-magnetic corrosion resistant high strength steels
05/12/1999EP0915441A2 Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
05/12/1999EP0915440A2 Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
05/12/1999EP0915179A2 Steel sheet having excellent high-frequency magnetic properties and method of producing the same
05/12/1999EP0914485A1 Austenitic nickel-chromium steel alloys
05/12/1999EP0914480A1 Process for producing an easily shaped cold-rolled sheet or strip
05/12/1999EP0914479A1 Steel for enameling and method of making it
05/12/1999CN1043363C Rare earth deep cementing steel
05/11/1999US5902419 High silicon steel sheets with excellent workability
05/06/1999WO1999005335A8 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness
05/06/1999WO1998059164A8 Lng fuel storage and delivery systems for natural gas powered vehicles
05/06/1999EP0913492A1 Low heat expansion alloy
05/06/1999EP0912773A1 Use of a steel for cutting tool holders
05/06/1999EP0912769A1 Induction hardened microalloy steel having enhanced fatigue strength properties
05/06/1999EP0912768A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
05/06/1999EP0912289A1 Friction welded drill rod and method for manufacturing the rod
05/06/1999EP0912264A1 Process for manufacture of precision steel tubes
05/05/1999CN1216073A Martensitic-Austentitic steel
05/05/1999CN1215762A Method for producing steel for large molds
05/05/1999CN1043254C High-strength steel sheet adapted for deep drawing and process for producing same
05/05/1999CN1043253C Al-Mn-Si-N series austenitic stainless acid-resisting steel
05/04/1999US5900082 Method of making a heat treated steel casting and a heat treated steel casting
05/04/1999US5900077 Hardness, strength, and fracture toughness steel
05/04/1999US5900076 Bainitic steel materials having a less scattering of properties and method of producing the same
05/04/1999US5900075 Ultra high strength, secondary hardening steels with superior toughness and weldability
05/04/1999US5899516 Railway wheel and manufacturing method of the railway wheel
05/04/1999CA2097150C Semi-hard magnetic elements and method of making same
05/04/1999CA2062694C High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance
04/1999
04/29/1999WO1999021196A1 Iron-rare earth-boron-refractory metal magnetic nanocomposites
04/29/1999DE19803598C1 Soft magnetic iron-nickel alloy for relay armatures and yokes
04/28/1999EP0911421A1 Composite work roll for cold rolling
04/28/1999EP0910680A1 High density forming process with ferro alloy and prealloy
04/28/1999EP0910676A1 Process for producing a grain-orientated electrical steel sheet
04/28/1999EP0910675A1 Hot-rolled steel strip and method of making it
04/28/1999EP0662523B1 Steel sheet of high stress-corrosion-cracking resistance for cans and method of manufacturing the same
04/28/1999CN1215092A Heat-resistant oxidized cast steel piece
04/28/1999CN1215091A High hardness powder metallurgy high-speed steel article
04/27/1999US5897717 Heating and rolling to form a steel with carbon, silicon, manganese, chromium, molybdenum, vanadium and niobium; high fracture toughness
04/27/1999CA2125535C High strength austenitic stainless steel having excellent galling resistance
04/27/1999CA2050315C Ferritic stainless steel and process for making same
04/22/1999WO1999019525A1 Iron alloy containing molybdenum
04/22/1999WO1999019521A1 Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation
04/21/1999EP0909829A2 High hardness powder metallurgy high-speed steel article
04/21/1999EP0909338A1 Steel alloy, steel product and use thereof
04/21/1999CN1214373A Rare earth high chromium, nickel and nitrogen high-temperature steel
04/21/1999CN1214372A Sieve plate for sorting stone material and its making method
04/21/1999CN1043063C Manufacture of low alloy structural steel
04/21/1999CN1043062C High-strength steel wire material with excellent fatigue, characteristics and high-strength steel wire
04/20/1999US5896078 Soft magnetic alloy thin film and plane-type magnetic device
04/20/1999US5895727 Magnetoresistive multilayer film
04/20/1999US5895517 Sintered Fe alloy for valve seat