Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
12/1995
12/12/1995US5474624 Method of manufacturing Fe-base soft magnetic alloy
12/07/1995WO1995033080A1 Iron-chromium-boron alloy for glass manufacturing tools
12/07/1995DE19519769A1 Magnetostrictive shaft for magnetostrictive torque sensor
12/07/1995CA2190953A1 Iron-chromium-boron alloy for glass manufacturing tools
11/1995
11/28/1995US5470402 Ferritic heat-resistant cast steel and process for producing the same
11/28/1995US5470399 Molybdenum, nickel and iron alloy for powders formed by spraying an inert gas
11/14/1995US5466539 High permeability iron-based alloy
10/1995
10/24/1995US5460875 Hard austenitic stainless steel screw and a method for manufacturing the same
10/18/1995CN1110324A Method for making iron-base ultramicro-crystal alloy
10/17/1995US5458704 Process for the production of thick armour plates
10/05/1995DE4410246A1 Multilayered spring material for electronic switches
10/03/1995US5454887 Process for manufacturing a medium-carbon steel plate with improved formability and weldability
09/1995
09/14/1995WO1995024509A1 Method for heat treatment of steel, and products of steel
09/12/1995US5449417 R-Fe-B magnet alloy, isotropic bonded magnet and method of producing same
09/05/1995US5447800 Gas atomizing, isostatic compaction, annealing and hardening then cooling
09/05/1995US5447581 Hot rolling, underwater ocean use
09/05/1995US5447035 Method of treating brake pads
08/1995
08/30/1995EP0669405A2 Heat resisting steel
08/29/1995US5445685 Heating to dissolve carbides in austenitic steel matrix, then controlled cooling to form spehroidal carbide microstructure
08/24/1995DE19505955A1 High strength and high ductility non-rusting steel strip
08/23/1995CN1107187A Surface carburization method for forming austenite having high strength in rustless steel
08/16/1995CN1029523C Vacuum chamber low-temp. treatment device
08/08/1995US5439300 Including inner race of steel with specified carbon content which has been carburized or carbonitrided, having different carbon content in surface layer and core
07/1995
07/26/1995EP0664342A1 Case carburized stainless steel alloy for high temperature applications
07/25/1995US5435824 Hot-isostatically-compacted martensitic mold and die block article and method of manufacture
07/20/1995WO1995019636A1 Method of manufacturing a shadow mask of the nickel-iron type
07/19/1995CN1105394A Nanocrystalline alloy having excellent pulse attenuation characteristics, method of producing the same, choke coil, and noise filter
07/18/1995US5433801 Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades
07/11/1995US5431748 Impact bar for automobile
07/11/1995US5431746 Method for making thin magnetic strips
07/06/1995WO1995018243A1 High strength high toughness spring steel, and manufacturing process therefor
07/06/1995WO1995018242A1 Martensitic heat-resisting steel having excellent resistance to haz softening and process for producing the steel
06/1995
06/28/1995EP0659896A1 Stainless steel wire product
06/27/1995US5427457 Rolling bearing
06/13/1995US5424028 Balance of nickel and cobalt as austenite stabilizers to offset ferrite formers, molybdenum, vanadium and chromium; corrosion resistance; automobile bearings, cam shafts, gears, bolts, etc.
05/1995
05/30/1995CA1335698C Martensitic stainless steel
05/10/1995EP0652300A1 Case nitriding for producing a high-strength austenitic skin in stainless steels
05/03/1995EP0651060A1 Process for producing extra high tensile steel having excellent stress corrosion cracking resistance
05/03/1995EP0651059A1 process for producing extra high tensile steel having excellent stress corrosion cracking resistance
05/03/1995EP0650634A1 Magnetic materials and method of making them.
05/02/1995US5411613 Method of making heat treated stainless steel needles
04/1995
04/26/1995EP0649914A2 An Fe-Mn vibration damping alloy steel and a method for making the same
04/25/1995US5409554 Prevention of particle embrittlement in grain-refined, high-strength steels
04/19/1995EP0648854A1 Martensitic hot work tool steel die block article and method of manufacture
04/19/1995EP0648853A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
04/19/1995EP0648852A1 Hot-isostatically-compacted martensitic steel article for molds and die components and its method of manufacture
04/13/1995WO1995009930A1 Precipitation hardened ferrous alloy with quasicrystalline precipitates
04/12/1995EP0647720A1 Method and device for selectively and ecologically colouring metal surfaces
04/11/1995US5405122 Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bed
04/05/1995EP0646653A1 Heat treated stainless steel needles and methods of making same
03/1995
03/28/1995US5401335 Pulser rings
03/15/1995EP0643142A2 Prevention of particle embrittlement in grain-refined, high strength steels
03/08/1995WO1995020683A1 Method of manufacturing stainless steel sheet of high corrosion resistance
03/08/1995CN1099900A Soft magnetic steel and method therefor
03/02/1995DE4415175A1 Soft magnetic steel and process for its production
03/01/1995EP0640692A1 Magnetic strips and methods for making the same
03/01/1995CA2130682A1 Magnetic strips and methods for making the same
02/1995
02/28/1995CA1334572C Process for the production of tubular bodies
02/15/1995EP0638653A1 Process for producing chromium-containing stainless steel strip with excellent toughness
01/1995
01/25/1995EP0635853A2 Nanocrystalline alloy having pulse attenuation characteristics, method of producing the same, choke coil, and noise filter
01/25/1995EP0635581A1 Ferritic heat-resistant cast steel and process for producing the same
01/05/1995DE4321094A1 Forge hardening
12/1994
12/28/1994EP0630984A1 High toughness high-speed steel member and manufacturing method thereof
12/27/1994US5376188 Method of nitriding austenitic stainless steel products
12/21/1994EP0629711A1 Composite magnetic member, process for producing the member and electromagnetic valve using the member
12/20/1994US5374319 Repairing cracks in gas turbine engines; ductility
12/14/1994EP0628087A1 Method for continuous recrystallization annealing of a steel strip
11/1994
11/30/1994EP0558691B1 New category of magnetic materials, their production and use
11/23/1994EP0625586A1 Structural member and process for producing the same
10/1994
10/25/1994US5358744 Process for coating a ferritic stainless steel strip with aluminum by hot quenching
10/18/1994US5356489 Forging cast bulk alloy at temperature in which alloy is in two phases; a solid phase and a liquid phase
10/13/1994WO1994023085A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
09/1994
09/14/1994CN1092112A Alloy with ultrafine crystal grains excellent in corrosion resistance
09/06/1994US5344502 Surface hardened 300 series stainless steel
08/1994
08/24/1994EP0611480A1 Heat treatment process and soft magnetic alloys produced thereby.
08/23/1994US5340413 Without copper
08/23/1994US5340412 Method of fluorinated nitriding of austenitic stainless steel screw
08/11/1994DE4303884A1 A process for producing machine components, in particular rolling bearing elements
08/09/1994US5336338 Bearing components and process for producing same
08/04/1994WO1994017215A1 Process for producing chromium-containing stainless steel strip with excellent toughness
08/03/1994EP0608749A1 Process for manufacturing hot rolled steel strip with adjusted strength
08/02/1994CA1331128C Continuous treatment of cold-rolled carbon high manganese steel
07/1994
07/26/1994US5333161 Intergranular stress corrosion cracking mitigation by rapid quench melting
07/07/1994WO1994014993A1 Manufacture of materials and workpieces for components in nuclear plant applications
07/07/1994CA2149666A1 Manufacture of materials and workpieces for components in nuclear plant applications
07/05/1994US5325911 Method of producing Fe-Ni series alloys having improved effect for restraining streaks during etching
06/1994
06/08/1994EP0302947B1 Rare earth element-iron base permanent magnet and process for its production
06/08/1994CN1087685A Method for improving middle-temp. protracted properties of as-cast Fe3Al intermetallics alloy
05/1994
05/24/1994US5314548 Fine grained anisotropic powder from melt-spun ribbons
05/18/1994CN1024564C Treatment for inhibiting irradiation induced stress corrosion cracking in austenitic stainless steel
05/11/1994EP0596121A1 Process for forming passive film on stainless steel, and stainless steel and gas- and liquid-contacting part
05/03/1994US5308408 Casting and precipitation
05/03/1994US5308286 Device for manufacturing austenitic stainless steel drill screws
04/1994
04/27/1994EP0593470A1 Material and workpiece for nuclear engineering and production thereof
04/27/1994EP0593469A1 Material and workpiece for nuclear engineering and production thereof
04/21/1994DE4332854A1 Ferritic steel for use as impulse wheel in ABS systems - which is free of titanium@ and niobium@
04/12/1994US5302097 Heat resistant hot formable austenitic steel
03/1994
03/24/1994DE4333917A1 Increasing the nitrogen@ content of stainless steel surfaces - to improve their wear-resistance and toughness
03/23/1994EP0588458A1 Method of nitriding austenitic stainless steel
03/23/1994CN1084226A Method of nitriding austenitic stainless steel products
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