Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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05/10/1988 | CA1236381A1 Iron-rare earth-boron permanent magnets by hot working |
05/03/1988 | US4741080 Process for providing valve members having varied microstructure |
05/03/1988 | CA1235927A1 Work-hardenable substantially austenitic stainless steel and method |
04/27/1988 | EP0264868A2 Medium or light section rolling mill |
04/21/1988 | WO1988002787A1 Shape-memory alloy resetting method and apparatus |
04/20/1988 | EP0264357A2 Heat-resistant austenitic alloy, and process for its manufacture |
04/13/1988 | EP0263413A2 Non-oriented electrical steel sheets and producing non-oriented steel sheets |
04/12/1988 | US4737203 Method for reducing core losses of grain-oriented silicon steel using liquid jet scribing |
04/12/1988 | US4736884 Method for manufacturing high-strength clad steel plate excellent in corrosion resistance |
04/06/1988 | EP0262874A2 Cold-rolled steel sheets and method for producing cold-rolled steel sheets |
04/06/1988 | EP0262281A1 Process for the production of tubes for use at temperatures up to minus 40 degrees Celsius |
03/29/1988 | CA1234533A1 Process for producing heat-resistant, ferritic stainless steel sheet |
03/29/1988 | CA1234532A1 High tensile-high toughness steel |
03/24/1988 | WO1988002031A1 Process for manufacturing rolled steel products |
03/23/1988 | EP0260927A2 Method of producing extra-low iron loss grain oriented silicon steel sheets |
03/23/1988 | EP0260717A1 Process for manufacturing rolled steel products |
03/22/1988 | US4732623 Method of making high strength steel tube |
03/16/1988 | EP0260022A2 Stainless steel having good corrosion resistance and good resistance to corrosion in seawater and method for producing the same |
03/16/1988 | EP0259580A2 Production of a taper rod |
03/01/1988 | US4728083 Method and apparatus for scribing grain-oriented silicon steel strip |
02/23/1988 | US4726853 Ductility, corrosion resistance |
02/23/1988 | CA1233095A1 Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film |
02/09/1988 | US4724015 Method for improving the magnetic properties of Fe-based amorphous-alloy thin strip |
02/09/1988 | US4724012 Iron, nickel, chromium and cobalt alloy |
02/09/1988 | CA1232516A1 Using corrosion proof austenitic alloy for high load weldable components |
02/09/1988 | CA1232515A1 Using a corrosion proof austenitic iron chromium nickel nitrogen alloy for high load components |
02/03/1988 | EP0254932A2 Heat treatment of rapidly quenched Fe-6.5 wt si ribbon |
02/02/1988 | US4722755 Austenite and ferrite components; nitrogen incorporated in solid solution |
01/27/1988 | EP0253904A1 Method for the production of oriented silicon steel sheet having excellent magnetic property |
01/26/1988 | US4721600 Superplastic ferrous duplex-phase alloy and a hot working method therefor |
01/26/1988 | US4721536 Method for making steel tubes or pipes of increased acidic gas resistance |
01/26/1988 | CA1231834A1 Car stabilizer and a manufacturing method therefor |
01/19/1988 | US4720307 Method for producing high strength steel excellent in properties after warm working |
01/19/1988 | CA1231631A1 High strength low carbon steels, steel articles thereof and method for manufacturing the steels |
01/19/1988 | CA1231630A1 Low loss electrical steel strip and method for producing same |
01/12/1988 | US4718951 Hot rolling |
01/12/1988 | US4718908 High-strength, cold-forged type 316L stainless steel for orthopedic implant |
01/12/1988 | CA1231292A1 Local heat treatment of electrical steel |
01/05/1988 | US4717300 Pin for a fastener, and method of making same |
12/29/1987 | US4715906 Isothermal hold method of hot working of amorphous alloys |
12/29/1987 | US4715905 Method of producting thin sheet of high Si-Fe alloy |
12/29/1987 | US4715904 Method for producing a magnet with radial magnetic anisotropy |
12/22/1987 | CA1230542A1 Insulative coating composition for electrical steels |
12/15/1987 | US4713123 Method of producing extra-low iron loss grain oriented silicon steel sheets |
12/08/1987 | US4711113 Apparatus for reducing core losses of grain-oriented silicon steel |
12/02/1987 | EP0247264A2 Method for producing a thin casting of Cr-series stainless steel |
12/01/1987 | US4709742 Method for producing a thin casting of Cr-series stainless steel |
12/01/1987 | CA1229777A1 Method of making cg iron |
12/01/1987 | CA1229750A1 Cold rolled dual-phase structure steel sheet having an excellent deep drawability and a method of manufacturing the same |
11/24/1987 | US4708748 Method of making cold rolled dual-phase structure steel sheet having an excellent deep drawability |
11/24/1987 | CA1229542A1 Method for producing grain-oriented silicon steel sheets |
11/04/1987 | EP0243663A2 Pressurized gas cylinder made from an austenitic steel alloy |
11/03/1987 | CA1228788A1 Method of manufacturing grain-oriented silicon steel sheets |
10/27/1987 | US4702780 Heat treatment, hot rolling, annealing, cold rolling to give high magnetic flux density |
10/27/1987 | US4702778 Hot rolling, then controlled cooling |
10/21/1987 | EP0242032A2 Method of producing low core losses in oriented silicon steels |
10/21/1987 | EP0241553A1 High strength stainless steel, and process for its production |
10/21/1987 | EP0241551A1 Method of forming high -strength, corrosion-resistant steel |
10/14/1987 | EP0240755A1 Heat treating method for obtaining a flat magnetization curve in amorphous cores |
10/08/1987 | WO1987005945A1 Process for producing low core loss, thin, unidirectional silicon steel plate having excellent surface properties |
10/07/1987 | EP0239688A1 Annealing separator used in the finishing annealing step for producing a grain-oriented electrical steel sheet |
10/06/1987 | US4698272 Extra-low iron loss grain oriented silicon steel sheets |
10/06/1987 | US4698102 Process for producing, by continuous annealing, soft blackplate for surface treatment |
10/06/1987 | CA1227728A1 Method for improving the annealing separator coating on silicon steel and coating therefor |
09/23/1987 | CN87100530A Permanent magnet made from the rare-earth with very low coercive force transition metal, boron alloy |
09/22/1987 | CA1227109A1 Method for producing a weldable austenitic stainless steel in heavy sections |
09/16/1987 | EP0236805A2 Use of austenitic-steel work pieces for low temperature application |
09/16/1987 | EP0120976B1 Process for manufacturing cold-rolled steel for deep drawing |
09/16/1987 | EP0109436B1 Divorced eutectoid transformation process and product of ultrahigh carbon steels |
09/15/1987 | US4693762 Isothermal heating |
09/15/1987 | CA1226767A1 Hot-dip aluminum coated steel strip having excellent strength and oxidation resistance at elevated temperatures and process for production thereof |
09/11/1987 | WO1987005336A1 Martensitic stainless steel plate excellent in oxidation resistance, workability, and corrosion resistance, and process for its production |
09/08/1987 | US4692193 Decarburization step after hot-rolling and before final cold-rolling |
09/02/1987 | EP0234698A1 Steel sheets for painting and a method of producing the same |
09/02/1987 | EP0234443A2 Process for producing a grain-oriented electrical steel sheet having improved magnetic properties |
08/26/1987 | CN87100257A Steel sheets for painting and method of producing the same |
08/19/1987 | EP0232558A1 Process for manufacturing pearlitic steel wire |
08/19/1987 | EP0232537A2 Process for producing grain-oriented electrical steel sheet having improved magnetic properties |
08/19/1987 | EP0232281A1 Ultra high carbon steel alloy and processing thereof |
08/19/1987 | CN86108640A Cold rolled steel sheets having improved press formability |
08/18/1987 | US4687525 Toughness improved by nickel with vanadium and nitrogen |
08/12/1987 | EP0231864A2 Non-ageing steel strip |
08/12/1987 | EP0231653A2 Cold rolled steel sheets having an improved press formability |
08/12/1987 | EP0231620A2 Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy |
08/11/1987 | US4685980 Quick melting and rapid cooling; transformers |
08/11/1987 | US4685321 Method of drape drawing a shadow mask for a color display tube |
07/29/1987 | EP0229846A1 Process for producing silicon steel sheet having soft magnetic characteristics |
07/28/1987 | US4683175 Process for producing brass-coated steel wire for the tire cord applications |
07/22/1987 | EP0229646A2 Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss |
07/22/1987 | CN86108451A Method of producing thin steel sheets having an improved processability |
07/21/1987 | CA1224388A1 Method of producing thin gauge oriented silicon steel |
07/14/1987 | US4680062 Method for reducing core losses of grain-oriented silicon steel using liquid jet scribing |
07/08/1987 | EP0228157A2 Method and apparatus for scribing grain oriented silicon steel strip |
07/07/1987 | US4678522 Stretchability, drawability, secondary workability |
07/01/1987 | EP0227199A1 Hot rolling method and apparatus |
07/01/1987 | EP0227001A2 Method for manufacturing tools |
06/30/1987 | US4676844 Hot rolling; recrystallization annealing |
06/24/1987 | EP0226446A2 Method of producing thin steel sheets having an improved processability |
06/16/1987 | EP0225619A2 Grain-oriented electrical steel sheet having improved glass film properties and low watt loss and a process for producing same |
06/16/1987 | EP0225414A1 A new steel |