Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
02/1997
02/25/1997US5605587 Apparatus for magnetic conditioning of liquids and methods of making same
02/20/1997WO1997006285A1 Raw material for magnetic shield, production method thereof, and color television receiver
02/19/1997CN1143393A Dual phase steel plate having good toughness and welding property
02/04/1997US5599408 Improving the toughness with aging treatment
01/1997
01/28/1997US5597425 Rare earth cast alloy permanent magnets and methods of preparation
01/21/1997US5595610 Method of manufacturing case-hardened parts with little distortion in heat treatment and superior strength in bending fatigue
01/07/1997US5591277 Method for thermally conditioning disc drive swage mounts
01/01/1997CN1139459A High-strength ferritic heat-resistant steel and process for producing the same
12/1996
12/18/1996EP0748878A1 Martensitic stainless steel of subzero treatment hardening type
12/11/1996EP0747154A1 Process and apparatus for producing sintered parts
12/10/1996US5582867 Diffusion heat treatment
12/05/1996WO1996038597A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles
12/05/1996CA2222504A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles
11/1996
11/20/1996EP0742841A1 Method of making dual phase steel plate
11/19/1996US5575973 High strength high toughness spring steel, and manufacturing process therefor
11/14/1996WO1996036059A1 High strength iron-cobalt-vanadium alloy article
11/13/1996EP0742289A1 Precipitation hardening stainless steels
11/12/1996US5573863 Oxygen
11/06/1996CN1033234C Heat treatment equipment for wear-resistant iron or steel pieces
10/1996
10/30/1996EP0739993A1 Steel and process for manufacturing of workpieces with high abrasion resistance
10/30/1996CN1134729A Precipitation hardened ferrous alloy with quasicrystalline precipitates
10/23/1996EP0738784A1 High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing
10/23/1996CN1133896A Process for manufacturing shadow mask made of iron/nickel alloy
10/17/1996WO1996032517A1 High-strength and high-toughness heat-resisting steel
10/17/1996WO1996032508A1 Screwdriver, screwdriver bit or similar device
10/16/1996EP0737757A1 High-strength ferritic heat-resistant steel and process for producing the same
10/15/1996US5565043 Contains rare earth element(s), iron, and boron as primary ingredients
10/10/1996WO1996031628A1 Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high-alloy or hypereutectoid steel
10/10/1996DE19513366A1 Schraubendreher, Schraubendrehereinsatz oder dergleichen Screwdriver, screwdriver bit or the like
10/10/1996DE19513314A1 Verfahren zur Herstellung eines warmgefertigten langgestreckten Erzeugnisses insbesondere Stab oder Rohr aus hochlegiertem oder übereutektoidem Stahl A process for producing hot-worked elongated products, in particular rod or tube made of high alloy steel or hypereutectoid
10/08/1996US5562004 Method for manufacturing magnetostrictive shaft applicable to magnetostriction type torque sensor and magnetostrictive shaft manufactured by the method thereof
10/02/1996DE19521941C1 Mfg. sintered air-hardenable alloy steel component
10/01/1996US5560784 Rare earth cast alloy permanent magnets and methods of preparation
09/1996
09/19/1996DE19508947A1 New wear resistant iron@-molybdenum@-tungsten@ alloy
09/18/1996EP0731883A1 Method of treating brake pads
09/17/1996US5556485 Bake hardenable vanadium containing steel and method of making thereof
09/04/1996EP0730042A1 Bainite steel material of little scatter of quality and method of manufacturing the same
09/04/1996CN1130288A Alpha-Fe base RE-FE-B nm crystal alloy and its producing method and use
08/1996
08/28/1996EP0728845A2 Magnetic strips and methods for making the same
08/28/1996CN1129960A Method of treating at least one component made of weakly magnetic material
08/21/1996CN1129292A Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel
08/13/1996US5545270 Thermomechanically controlling rolling process
08/13/1996US5545269 Heating, rolling, reheating and water cooling
08/13/1996US5545268 Surface treated metal member excellent in wear resistance and its manufacturing method
08/07/1996EP0725155A2 Precipitation hardening type single crystal austenitic steel, and usage the same
07/1996
07/25/1996WO1996014444A3 Bake hardenable vanadium containing steel
07/24/1996EP0723025A1 Invar type alloy wire and manufacturing method thereof
07/24/1996EP0722509A1 Precipitation hardened ferrous alloy with quasicrystalline precipitates
07/23/1996US5538565 Rare earth cast alloy permanent magnets and methods of preparation
07/17/1996EP0721991A1 Process for manufacturing a stainless steel expanding anchor
07/16/1996US5535990 Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bed
07/10/1996EP0720664A1 Method of treating at least one component made of weakly magnetic material
07/09/1996US5534081 Fuel injector component
07/09/1996US5533982 Curved, silicone-coated surgical needle having been shaped prior to martensitic precipitation-hardening by vacuum heat and cooling treatments; tensile strength, sharpness
07/03/1996EP0719873A1 Process for manufacturing a shadow mask, made from an iron-nickel alloy
07/03/1996EP0719869A1 Process for producing high- and low-pressure integral-type turbine rotor
07/02/1996US5531842 Method of preparing a high strength dual phase steel plate with superior toughness and weldability (LAW219)
07/02/1996US5531836 Steel alloy bearing of chromium, carbon, tungsten, vanadium, nickel and iron
06/1996
06/26/1996EP0718416A1 Rolling bearing and method of making same
06/23/1996CA2152989A1 Rolling bearing and method of making same
06/20/1996WO1996018747A1 A cylinder member and nickel-based facing alloys
06/18/1996US5527399 Magnetic strips and methods for making the same
06/13/1996WO1996017966A1 Dual-phase steel and method thereof
06/13/1996WO1996017965A1 Method of making dual phase steel plate
06/13/1996WO1996017964A1 Ultra-high strength steels and method thereof
05/1996
05/29/1996CN1123562A Method of manufacturing stainless steel sheet of high corrosion resistance
05/29/1996CN1123331A Method and apparatus for heat-treating profiled rolling stock
05/17/1996WO1996014514A1 A screw and method for the manufacturing and treatment of a screw
05/17/1996WO1996014445A1 Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same
05/17/1996WO1996014444A2 Bake hardenable vanadium containing steel
05/17/1996WO1996014443A1 High-strength ferritic heat-resistant steel and process for producing the same
05/17/1996CA2204492A1 Bake hardenable vanadium containing steel
05/15/1996EP0711621A1 Welding high-strength nickel base superalloys
05/15/1996EP0611480B1 Resonant tag of soft magnetic alloy
05/08/1996CN1122166A Method of manufacturing a shadow mask of the nickel-iron type
04/1996
04/24/1996EP0436032B1 Method of producing high-strength stainless steel strip having duplex structure and excellent spring characteristics
04/17/1996EP0574513B1 PROCESS FOR THE PRODUCTION OF SOFT MAGNETIC ALLOYS ON THE BASIS OF Fe-Ni HAVING NANOCRYSTALLINE STRUCTURE
04/16/1996US5507580 Rod end bearing for aircraft use
04/11/1996DE4435721A1 Mfg. composite articles of stainless steel
04/04/1996WO1996010137A1 Method of treating brake pads
04/03/1996CN1119878A Martensitic heat-resisting steel having excellent resistance to HAZ softening and process for producing the steel
04/02/1996US5503687 Nitrogen enrichment of surface and near surface regions to produce a high-strength austenitic surface layer in stainless steels
03/1996
03/28/1996WO1996009419A1 Bainite steel material of little scatter of quality and method of manufacturing the same
03/27/1996EP0650634B1 Magnetic materials and method of making them
03/26/1996US5501747 Magnetic
03/20/1996EP0515483B1 Amorphous fe-b-si alloys exhibiting enhanced ac magnetic properties and handleability
03/13/1996CN1118611A High strength high toughness spring steel, and manufacturing process therefor
03/05/1996US5496418 Amorphous Fe-B-Si alloys exhibiting enhanced AC magnetic properties and handleability
02/1996
02/27/1996US5494537 High strength and toughness stainless steel strip and process for the production of the same
02/20/1996US5492575 Process for producing thin strip of Cr-stainless steel having high toughness
02/08/1996WO1996003532A1 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
01/1996
01/31/1996EP0694622A1 Corrosion resistant alloy and method for making corrosion resistant cutting tools
01/24/1996EP0693562A1 Process and apparatus for heat-treating shaped rolled pieces
01/16/1996CA1337922C Ferromagnetic materials
01/11/1996DE4423462A1 Heat treatment of ferritic and ferritic-martensitic stainless steels for plate, wire or strip products
01/10/1996EP0691412A1 Method of manufacturing stainless steel sheet of high corrosion resistance
01/04/1996WO1996000313A1 Method of treating at least one component made of weakly magnetic material
01/03/1996EP0690145A1 Corrosion-resistant metallic porous member and method of manufacturing the same
01/03/1996EP0689717A1 Method of manufacturing a shadow mask of the nickel-iron type
12/1995
12/27/1995EP0688883A1 Martensitic heat-resisting steel having excellent resistance to haz softening and process for producing the steel
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