| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 06/10/1987 | EP0225263A1 Sheet or strip of stainless ferritic steel, particularly for exhaust systems |
| 06/10/1987 | EP0224591A1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 06/09/1987 | US4671827 Recrystallization by hot rolling and cooling |
| 06/09/1987 | CA1222678A1 Process for production of steel bar or steel wire having an improved spheroidal structure of cementite |
| 06/04/1987 | DE3542681A1 Process for the production of drawn high-quality tubes |
| 05/20/1987 | EP0222166A1 High-strength conductors and process for manufacturing same |
| 05/19/1987 | US4666535 Method of producing low core losses in oriented silicon steels |
| 05/19/1987 | US4666534 Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same |
| 05/19/1987 | CA1221895A1 Method of manufacturing high tensile strength steel plates |
| 05/06/1987 | EP0220940A2 Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material |
| 05/05/1987 | US4662954 Method for improving base coating formation on silicon steel by controlling winding tension |
| 05/05/1987 | US4662953 Creep resistant cold-rolled and annealed steel sheet and strip |
| 05/05/1987 | US4662951 Pre-HIP heat treatment of superalloy castings |
| 05/05/1987 | US4662950 Method of making a steel plate for construction applications |
| 05/05/1987 | CA1221297A1 Method and apparatus for direct heat treatment of medium- to high-carbon steel rods |
| 04/29/1987 | EP0219611A1 Method for producing a grain-oriented electrical steel sheet |
| 04/28/1987 | US4661174 Hot rolling, annealing, cold rolling, annealing |
| 04/23/1987 | WO1987002388A1 High strength stainless steel, and process for its production |
| 04/23/1987 | WO1987002387A1 Method of forming high -strength, corrosion-resistant steel |
| 04/22/1987 | EP0219181A2 Strain imparting device |
| 04/21/1987 | US4659397 Controlled heating and ofrging ratio |
| 04/21/1987 | CA1220651A1 Pipes resistant to hydrosulfuric acid |
| 04/16/1987 | DE3535886A1 Method for the production of steel prestressing elements |
| 04/15/1987 | EP0218167A1 High tensile strength drawn steel wire with improved ductility |
| 04/14/1987 | US4657066 Austenitic stainless steel; controlling low sulfur levels |
| 04/07/1987 | US4655854 Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same |
| 04/01/1987 | EP0216457A1 Method of producing two-phase separation type Fe-Cr-Co series permanent magnets |
| 04/01/1987 | EP0216399A1 Hard steel sheet manufactured from aluminium-killed continuous-cast carbon-manganese steel, and a method for the manufacture of such sheet |
| 04/01/1987 | EP0216044A2 Process for manufacturing non-aging steel strip having a high cold formability |
| 03/26/1987 | DE3533493A1 Process for producing components from steel of high strength and at the same time high toughness, having these properties even after hot deformation |
| 03/25/1987 | EP0215134A1 Process for producing unidirectional silicon steel plate with extraordinarily low iron loss |
| 03/24/1987 | US4652316 Production of grain oriented steel |
| 03/24/1987 | US4651513 Corrosion resistance, zinc (alloy), wires, brass, rubbers, adhesion |
| 03/24/1987 | CA1219643A1 Laser treatment of electrical steel and optical scanning assembly therefor |
| 03/17/1987 | US4649983 Chill roll casting of metal strip |
| 03/11/1987 | EP0213917A2 High strength low carbon steel wire rods and method of producing them |
| 03/11/1987 | CN85105706A Method for rolling and heat treating small diameter stainless steel rod |
| 03/03/1987 | CA1218708A1 Laser scribing apparatus and process for using |
| 03/03/1987 | CA1218588A1 High-durable pneumatic radial tires |
| 02/25/1987 | EP0211486A1 Method for improving base coating formation on silicon steel by controlling winding tension |
| 02/24/1987 | US4645547 Loss ferromagnetic materials and methods of improvement |
| 02/24/1987 | US4644776 Method of making a low-alloy forging |
| 02/17/1987 | CA1217997A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 02/12/1987 | WO1987000866A1 Ultra high carbon steel alloy and processing thereof |
| 02/10/1987 | US4642141 Cold rolling, decarburization, annealing, surface coating with germanium, tin, lead, arsenic, bismuth, or zinc compounds |
| 02/10/1987 | US4641450 Tube having strain-hardened inside coating |
| 02/03/1987 | CA1217359A1 Austenitic stainless steel for high temperature applications |
| 01/28/1987 | EP0210122A1 Steam turbine rotor for high temperature and method for manufacturing same |
| 01/28/1987 | EP0210035A2 High strength stainless steel |
| 01/27/1987 | CA1217076A1 Method and apparatus for thermomechanically rolling hot strip product to a controlled microstructure |
| 01/20/1987 | US4637841 Superplastic deformation of duplex stainless steel |
| 01/13/1987 | CA1216499A1 Method of producing cold rolled steel sheets for deep drawing |
| 01/07/1987 | EP0207608A2 Method of producing stainless steel strip |
| 01/06/1987 | US4634573 Steel for cold forging and method of making |
| 01/06/1987 | CA1216107A1 Rods resistant to hydrosulfuric acid |
| 12/30/1986 | US4632708 Magnesia, and ferromanganese nitride or manganese nitride |
| 12/30/1986 | EP0207068A2 Method for manufacturing non-magnetic drilling rods |
| 12/30/1986 | EP0206703A2 Method for producing a grain-oriented electrical steel sheet |
| 12/30/1986 | EP0206108A2 Process for producing electrical steel sheet |
| 12/30/1986 | EP0205828A1 Method and use of a steel for manufacturing steel pipes with a high resistance to acid gases |
| 12/30/1986 | EP0205619A1 Method of manufacturing unidirectional silicon steel slab having excellent surface and magnetic properties |
| 12/23/1986 | US4631095 Heat treatment, hot working, hot rolling |
| 12/18/1986 | WO1986007390A1 Process for producing silicon steel sheet having soft magnetic characteristics |
| 12/16/1986 | US4629504 Steel materials for welded structures |
| 12/16/1986 | US4628977 Steel cords having fine pearlite structure, twisted filaments |
| 12/09/1986 | US4627881 Cold rolled steel sheet having excellent press formability and method for producing the same |
| 12/04/1986 | WO1986007096A1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance |
| 12/03/1986 | EP0203809A2 A method of manufacturing a cold-rolled steel sheet having a good deep drawability |
| 12/03/1986 | CN85104306A Rolling of a base steel sheet to be surfacetreated without producing stretcher strain markings |
| 12/02/1986 | US4625532 Manufacturing steel concrete reinforcements on a high speed rod rolling mill |
| 11/26/1986 | EP0202339A1 Method of manufacturing unidirectional electromagnetic steel plates of low iron loss |
| 11/26/1986 | EP0202336A1 Process for producing a thin plate of a high ferrosilicon alloy |
| 11/26/1986 | EP0202243A1 Hot working of amorphous alloys. |
| 11/26/1986 | CN85105867A Large diameter high strength rolled steel bar and a process for the production of the same |
| 11/20/1986 | EP0201997A2 High strength and toughness steel bar, rod and wire and the process of producing the same |
| 11/18/1986 | US4623407 Suppression of secondary recrystallization |
| 11/18/1986 | US4623406 Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density |
| 11/18/1986 | CA1214090A1 Amorphous press formed sections |
| 11/12/1986 | EP0201228A2 Grain-oriented silicon steel and stress coating therefor |
| 11/12/1986 | EP0201059A2 Use of weldable high strength Cr-Ni-Mo-Ti steel as a stainless construction steel for products having a high longevity |
| 11/12/1986 | CA1213815A Implantation of certain solid lubricants into certain metallic surfaces by mechanical inclusion |
| 11/11/1986 | US4621794 Apparatus for producing a grain-oriented electromagnetic steel strip or sheet |
| 10/29/1986 | EP0199715A2 Process for manufacturing steel wire |
| 10/28/1986 | US4619714 Heating to austenize, then hot rolling and rapid quenching |
| 10/22/1986 | EP0198084A1 Process for producing thin magnetic steel plate having high permeability |
| 10/22/1986 | EP0198024A1 Method for producing prestressed steel. |
| 10/15/1986 | CN86102258A Production of formable thin steel sheet excellent in ridging resistance |
| 10/14/1986 | US4617067 Reheating and hot working |
| 10/14/1986 | CA1212601A1 Method for producing clean cold strip |
| 10/08/1986 | EP0196788A2 Method of manufacturing formable as rolled thin steel sheets |
| 10/07/1986 | US4615750 Process for producing a grain-oriented electrical steel sheet |
| 10/07/1986 | US4615749 Cold rolled dual-phase structure steel sheet having an excellent deep drawability and a method of manufacturing the same |
| 10/07/1986 | US4615745 Method of reducing the pore density in a casting |
| 10/07/1986 | US4615195 Process and apparatus for high speed fabrication of copper wire |
| 10/01/1986 | CN86102191A Method of mfg. formable as-rolled thin steel sheets |
| 09/30/1986 | US4614551 Process for producing low yield ratio, high strength two-phase steel sheet having excellent artificial ageing property after working |
| 09/23/1986 | US4613842 Iron core for electrical machinery and apparatus as well as method for producing the iron core |
| 09/23/1986 | US4613385 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 09/16/1986 | CA1211343A1 Process for the production of fine-grain weldable sheet stock for large diameter pipe |
| 09/10/1986 | EP0194118A2 Production of formable thin steel sheet excellent in ridging resistance |