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