| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 03/11/1998 | EP0828010A2 High strength and high-toughness heat-resistant cast steel |
| 03/04/1998 | EP0826786A1 Magnetostrictive material and process for preparing the same |
| 03/04/1998 | EP0742841A4 Method of making dual phase steel plate |
| 03/04/1998 | EP0625586B1 Structural member and process for producing the same |
| 03/04/1998 | CN1174890A Heat treatment method for iron-base ultramicaolith iron core |
| 02/25/1998 | EP0824755A1 High strength iron-cobalt-vanadium alloy article |
| 02/25/1998 | CN1037534C Alloy with ultrafine crystal grains excellent in corrosion resistance |
| 02/19/1998 | WO1997048831A3 Method for processing billets from multiphase alloys and the article |
| 02/18/1998 | CN1173549A Parts of loom and loom using the same |
| 02/10/1998 | US5716468 Process for producing high-and low-pressure integral-type turbine rotor |
| 02/10/1998 | US5716466 Stainless steel wire product |
| 02/10/1998 | US5716252 Method of manufacturing a shadow mask of the nickel-iron type |
| 02/04/1998 | CN1172505A Dual-phase high strength steel sheet with good toughness and weldability |
| 02/03/1998 | US5714116 Steel and process for the manufacture of components having high abrasion resistance |
| 01/28/1998 | EP0820530A1 Screwdriver, screwdriver bit or similar device |
| 01/28/1998 | EP0820529A1 Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high-alloy or hypereutectoid steel |
| 01/21/1998 | CN1170764A Process for production of steel component |
| 01/14/1998 | EP0628087B1 Method for continuous recrystallization annealing of a steel strip |
| 01/08/1998 | WO1998000821A1 Annealing magnetic elements for stable magnetic properties |
| 01/08/1998 | WO1998000820A1 Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material |
| 01/08/1998 | DE19626833A1 Case nitriding stainless steel with controlled stabiliser contents |
| 12/31/1997 | WO1997050099A1 Metallic glass alloys for mechanically resonant marker surveillance systems |
| 12/31/1997 | CN1169164A Ferritic heat-resistant steel having excellent high temp. strength and process for producing same |
| 12/31/1997 | CA2259319A1 Metallic glass alloys for mechanically resonant marker surveillance systems |
| 12/24/1997 | WO1997048831A2 Method for processing billets from multiphase alloys and the article |
| 12/24/1997 | WO1997048509A1 Method for producing axially symmetric parts and the article |
| 12/24/1997 | CN1168700A Ultra-high strength secondary hardening steels with excellent toughness and weldability and method thereof |
| 12/17/1997 | EP0812365A1 Methods for annealing and pickling high manganic cold rolled steel sheet |
| 12/10/1997 | EP0811698A1 Method of cooling a steel pipe |
| 12/10/1997 | CN1036664C Method for making iron, copper, silicon and boron series ultramicro-crystal alloy |
| 12/09/1997 | US5695666 Method of welding neutron irradiated metallic material |
| 12/03/1997 | EP0810295A1 Stainless steel for ozone added water and manufacturing method thereof |
| 11/26/1997 | EP0808909A1 A process for production of a steel component |
| 11/25/1997 | US5690757 Cold rolling, annealing; drawing; pulling tension |
| 11/19/1997 | CN1165205A Process for production of body of material stable at high temperatures from iron-nickel superalloy |
| 11/11/1997 | US5685921 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 11/05/1997 | EP0804622A1 Method for heat treatment of steel, and products of steel |
| 10/30/1997 | WO1997040204A1 Stainless steel alloy for pulp refiner plate |
| 10/30/1997 | DE19713701A1 Development of compressive residual stresses in corrosion resistant steels and superalloys |
| 10/23/1997 | WO1997039158A1 Martensitic-austentitic steel |
| 10/23/1997 | CA2251805A1 Martensitic-austentitic steel |
| 10/22/1997 | CN1162982A Bake hardenable vanadium containing steel |
| 10/16/1997 | DE19614407A1 Martensitisch-austenitischer Stahl Martensitic-austenitic steel |
| 09/30/1997 | US5672218 Straightening bar between rollers, machining to remove hardened surface layer, rolling again at lower pressure |
| 09/30/1997 | US5672217 Method for producing machine elements of steel |
| 09/24/1997 | EP0796352A1 Ultra-high strength steels and method thereof |
| 09/17/1997 | EP0763142A4 Iron-chromium-boron alloy for glass manufacturing tools |
| 09/10/1997 | EP0794262A1 A temperature-raising bainite forming process |
| 09/10/1997 | EP0793733A1 A cylinder member and nickel-based facing alloys |
| 09/10/1997 | CN1159213A Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance |
| 09/03/1997 | EP0792379A1 Dual-phase steel and method thereof |
| 09/03/1997 | CN1158363A Stainless steel improved in anti-microbial property and manufacturing thereof |
| 08/27/1997 | EP0791081A2 Bake hardenable vanadium containing steel |
| 08/26/1997 | US5660648 Cooling in air; aging |
| 08/21/1997 | WO1997029879A1 Cutting die and method of forming |
| 08/21/1997 | WO1997029878A1 Cutting die and method of making |
| 08/21/1997 | CA2245866A1 Cutting die and method of making |
| 08/20/1997 | EP0789785A1 Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same |
| 08/20/1997 | CN1157332A Iron-nickel superalloy of type in 706 |
| 08/13/1997 | EP0789089A1 High-nickel austenitic stainless steel resistant to degradation caused by neutron irradiation |
| 08/07/1997 | WO1997028286A1 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 08/07/1997 | CA2243502A1 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 08/05/1997 | US5653826 High strength dual phase steel plate with superior toughness and weldability |
| 08/05/1997 | US5653824 Magnetic strips and methods for making the same |
| 07/31/1997 | WO1997027340A1 Process for improving the tape tension on the surface of a chrome-steel tape drive spindle |
| 07/29/1997 | US5651842 High toughness high-speed steel member and manufacturing method |
| 07/23/1997 | EP0785285A1 Method for producing high tensile strength stainless steel |
| 07/22/1997 | US5650024 Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same |
| 07/17/1997 | CA2195163A1 Process for producing dual phase ferritic stainless steel strip |
| 07/10/1997 | WO1997024467A1 Methods for annealing and pickling high manganic cold rolled steel sheet |
| 07/01/1997 | US5643697 Metal foils with preforations treated with heat |
| 06/25/1997 | CN1152625A Oil tempering steel wire and making method thereof |
| 06/18/1997 | EP0779374A1 Stainless steel improved in anti-microbial property and manufacturing thereof |
| 06/12/1997 | WO1997020960A1 Magnetostrictive material and process for preparing the same |
| 06/12/1997 | DE19650710A1 Magnetic composite body with ferromagnetic section and weak or non-magnetic section e.g. for car fuel or oil control device |
| 06/10/1997 | US5637158 Method for the manufacture of an expansible anchor consisting of corrosion-resistant steel |
| 06/03/1997 | US5634990 Fe-Mn vibration damping alloy steel and a method for making the same |
| 06/03/1997 | US5634987 Magnetic materials and method of making them |
| 05/27/1997 | US5632826 Quasicrystalline precipitation hardened metal alloy and method of making |
| 05/21/1997 | EP0774530A1 Process for producing a heat resistant part from an iron-nickel superalloy |
| 05/21/1997 | EP0774526A1 Iron-nickel superalloy of the IN 706 type |
| 05/20/1997 | US5630983 Precipitation hardening stainless steels |
| 05/15/1997 | WO1997017197A1 Stainless steel surface claddings of continuous caster rolls |
| 05/15/1997 | DE19606817A1 Maraging steel having good corrosion resistance |
| 05/14/1997 | EP0773307A1 High-strength corrosion-resistant maraging alloy |
| 05/07/1997 | EP0771366A1 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance |
| 05/07/1997 | CN1149322A Iron-chromium-boron alloy for glass manufacturing tools |
| 05/06/1997 | US5628045 Process and device for producing sintered parts |
| 05/06/1997 | US5628044 Pure iron-zinc intermetallic galvanneal calibration standards |
| 05/06/1997 | US5626694 Process for the production of stainless steel sheets having an excellent corrosion resistance |
| 05/02/1997 | EP0770696A1 High-strength and high-toughness heat-resisting steel |
| 04/30/1997 | CN1034745C Method for nitriding austenitic stainless steel products |
| 04/10/1997 | WO1997013258A1 Heat-treatment of glassy metal alloy for article surveillance system markers |
| 03/19/1997 | EP0763142A1 Iron-chromium-boron alloy for glass manufacturing tools |
| 03/18/1997 | US5611872 Magnetic strips and methods for making the same |
| 03/18/1997 | US5611871 Method of producing nanocrystalline alloy having high permeability |
| 03/13/1997 | WO1997009456A1 High-nickel austenitic stainless steel resistant to degradation caused by neutron irradiation |
| 03/12/1997 | EP0761283A1 Column packing materials and process for making it |
| 03/12/1997 | CN1034248C Fe-Ni based soft magnetic alloys having nanocrystalline structure |
| 03/05/1997 | CN1034184C Method for improving middle-temp. protracted properties of as-cast Fe3Al intermetallics alloy |