| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 07/10/1997 | WO1997024466A1 Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same |
| 07/10/1997 | WO1997024465A1 Continuously annealed soft temper blackplates for drawn and ironed cans and deep drawn vessels, and manufacturing method therefor |
| 07/09/1997 | CN1154146A Method of manufacturing non-oriented electromagnetic steel plate having high magnetic flux density and low iron loss |
| 07/09/1997 | CN1154145A Process for producing steel material and steel pipe excellent in corrosion resistance and weldability |
| 07/08/1997 | US5645656 Method of manufacturing a steel having good formability and good resistance to indentation |
| 07/08/1997 | US5645654 Nonmagnetic stainless steel for high burring and method of manufacturing the same |
| 07/02/1997 | CN1153537A Equipment for continuously manufacturing metal coils and metal coil manufacturing method |
| 07/01/1997 | US5643697 Metal foils with preforations treated with heat |
| 07/01/1997 | US5643370 Hot rolled strips of silicon, carbon, aluminum, sulfur, iron and manganese alloys with nitrogen with annealing and cold rolling |
| 06/26/1997 | WO1997022723A1 Process for producing nondirectional electrical steel sheet excellent in close adhesion of insulating film |
| 06/25/1997 | EP0780552A1 Exhaust system for motor vehicles |
| 06/25/1997 | EP0780482A1 Cold-rolled steel sheet, highly suitable for welding and brazing |
| 06/25/1997 | EP0780480A1 Process for manufacturing high strength cold rolled steel strip excellent in formability with isotropic mechanical properties |
| 06/25/1997 | CN1152947A Process for producing steel pipe excellent in corrosion resistance and weldability |
| 06/24/1997 | CA2088326C Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
| 06/24/1997 | CA2057368C Method of producing non-oriented electromagnetic steel strip having superior magnetic properties and appearance |
| 06/18/1997 | EP0779374A1 Stainless steel improved in anti-microbial property and manufacturing thereof |
| 06/18/1997 | EP0779369A1 Method of manufacturing non-oriented electromagnetic steel plate having high magnetic flux density and low iron loss |
| 06/18/1997 | CN1152340A Ultralow-carbon cold-rolled sheet and galvanized sheet both excellent in fatigue characteristics and process for producing both |
| 06/17/1997 | US5639317 Iron, nickel alloy; hot rolling, cold drawing, annealing |
| 06/17/1997 | US5639315 Process for producing non-oriented electromagnetic steel strip capable of retaining uniform magnetic quality in a product coil |
| 06/12/1997 | WO1997020956A1 Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss |
| 06/11/1997 | EP0777756A2 Duplex stainless steel, and its manufacturing method |
| 06/11/1997 | EP0777752A1 Warm forming high-strength steel structural members |
| 06/11/1997 | CN1151765A Method of increasing the yield strength of cold formed steel sections |
| 06/11/1997 | CN1035117C Process for mfg. high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties |
| 06/10/1997 | US5637161 Method of producing an alloy sheet for a shadow mask |
| 06/10/1997 | US5637157 Method for making non-oriented magnetic steel sheet |
| 06/04/1997 | EP0776984A1 Equipment for continuously manufacturing metal coils and metal coil manufacturing method |
| 06/03/1997 | US5634990 Fe-Mn vibration damping alloy steel and a method for making the same |
| 06/03/1997 | US5634988 High tensile steel having excellent fatigue strength at its weld and weldability and process for producing the same |
| 05/28/1997 | EP0775757A1 Process and apparatus for hot dipping age resistant steel sheet |
| 05/28/1997 | EP0775752A1 Grain-oriented electrical steel sheet and method of manufacturing the same |
| 05/28/1997 | EP0468059B1 Thin sheet of iron-nickel alloy for shadow mask and production thereof |
| 05/28/1997 | CN1150825A Equipment for manufacturing stainless steel strip |
| 05/28/1997 | CN1035018C Heat treatment technology of pearlite steel deformation |
| 05/21/1997 | EP0774520A1 Process for producing steel pipe excellent in corrosion resistance and weldability |
| 05/21/1997 | EP0774519A1 Process for producing steel material and steel pipe excellent in corrosion resistance and weldability |
| 05/20/1997 | US5631093 Magnetically coded device |
| 05/20/1997 | CA2086283C Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same |
| 05/15/1997 | DE19606817A1 Maraging steel having good corrosion resistance |
| 05/14/1997 | EP0773307A1 High-strength corrosion-resistant maraging alloy |
| 05/13/1997 | US5628841 Thin Fe-Ni alloy sheet for shadow mask |
| 05/13/1997 | CA2081496C Method of manufacturing a cold rolled steel sheet exhibiting an excellent resistance to cold-work embrittlement and a small planar anisotropy |
| 05/13/1997 | CA2045701C Method of manufacturing low-core-loss grain oriented electrical steel sheet |
| 05/07/1997 | DE19622164C1 Cold rolled steel sheet with good drawing properties |
| 05/07/1997 | CN1149081A High strength steel strand for prestressed concrete and method for manufacturing the same |
| 05/06/1997 | US5626694 Process for the production of stainless steel sheets having an excellent corrosion resistance |
| 05/06/1997 | CA2048014C Method of manufacturing an oriented silicon steel sheet having improved magnetic flux density |
| 04/30/1997 | CN1148634A Low-yield ratio and high-strength hot-rolled steel plate with good toughness and production method thereof |
| 04/29/1997 | US5624504 Martensite steel with ferrites |
| 04/24/1997 | DE19628136C1 Production of grain-orientated electrical sheets |
| 04/23/1997 | EP0769565A1 Ultralow-carbon cold-rolled sheet and galvanized sheet both excellent in fatigue characteristics and process for producing both |
| 04/23/1997 | EP0769073A1 Cold formed high-strength steel structural members |
| 04/23/1997 | CN1148411A Method for making a gain-oriented electric steel sheet, particularly for transformers |
| 04/23/1997 | CN1148092A Process for producing tri-crystallizing electricians' steel |
| 04/22/1997 | US5622572 Extra-strength steel and method of making |
| 04/22/1997 | CA2041403C Method of producing high-strength cold-rolled steel sheet suitable for working |
| 04/15/1997 | US5620537 Method of superplastic extrusion |
| 04/15/1997 | US5620535 Alloy sheet for shadow mask |
| 04/15/1997 | US5620533 Hot rolling steel slab of controlled composition and surface oxide content, cold rolling sheet, decarburization annealing in oxidizing atmosphere with controlled ratio of steam partial pressure to hydrogen partial pressure |
| 04/10/1997 | DE19628137C1 Grain-oriented electrical steel sheet prodn. |
| 04/09/1997 | EP0767249A2 Silicon steel sheet and method thereof |
| 04/09/1997 | EP0767247A1 Cold-rolled steel sheet and hot-dipped galvanized steel sheet excellent in uniform workability, and process for producing the sheets |
| 04/09/1997 | EP0767241A1 Method for manufacturing metal cans for drinks |
| 04/09/1997 | CN1034516C Method for producing non-oriented electromagnetic steel strip having superior properties and appearance |
| 04/08/1997 | US5618401 Inner-shield material to be attached inside a color cathode ray tube and manufacturing method thereof |
| 04/08/1997 | US5618355 High-strength steel sheet suitable for deep drawing and process for producing the same |
| 04/02/1997 | EP0765941A1 Ferritic stainless steel sheet having less planar anisotropy and excellent anti-ridging characteristics and process for producing same |
| 04/02/1997 | EP0765698A1 Method of producing metal constructional elements with differential wall thickness |
| 04/02/1997 | CN1146783A Cold-rolled steel sheet and hot-dipped galvanized steel sheet excellent in uniform workability, and process for producing the sheets |
| 03/27/1997 | WO1997011204A1 Magnetic shield material, production method thereof and color image tube assembling the material |
| 03/27/1997 | CA2232439A1 Magnetic shield material, production method thereof and color image tube assembling the material |
| 03/27/1997 | CA2186582A1 Ferrite stainless steel sheet having less planar anisotropy and excellent anti-ridging characteristics and process for producing same |
| 03/26/1997 | EP0764725A1 Process for making a metallic strip for packages and metallic packages made by this process |
| 03/26/1997 | EP0708843B1 Method and plant for the manufacture of special steel blanks |
| 03/25/1997 | US5614149 Stainless steels for coins and method of producing coins of stainless steel |
| 03/25/1997 | US5614034 Process for producing ultrahigh silicon electrical thin steel sheet by cold rolling |
| 03/20/1997 | DE19546204C1 High strength steel object prodn.,esp. leaf spring |
| 03/19/1997 | EP0763140A1 Method of increasing the yield strength of cold formed steel sections |
| 03/18/1997 | US5611872 Magnetic strips and methods for making the same |
| 03/13/1997 | WO1997009456A1 High-nickel austenitic stainless steel resistant to degradation caused by neutron irradiation |
| 03/12/1997 | EP0761835A1 Process for manufacturing of steel strips for wrapping |
| 03/12/1997 | EP0761827A2 Process for producing grain oriented silicon steel sheet, and decarburized sheet |
| 03/12/1997 | EP0761826A2 Method for manufacturing seamless pipes |
| 03/12/1997 | EP0761825A2 High strength steel strand for prestressed concrete and method for manufacturing the same |
| 03/12/1997 | EP0761824A2 Heavy-wall structural steel and method |
| 03/12/1997 | EP0761283A1 Column packing materials and process for making it |
| 03/11/1997 | US5609696 Cold rolled, batch annealed motor lamination, low core loss and high permeability |
| 03/11/1997 | US5609013 Steel cords for the reinforcement of rubber articles |
| 03/06/1997 | WO1997008355A1 Hot-rolled steel sheet and process for producing the same |
| 03/06/1997 | WO1997007906A1 Steel pipe manufacturing method and apparatus and steel pipe manufactured thereby |
| 03/05/1997 | EP0760397A1 Equipment for manufacturing stainless steel strip |
| 03/05/1997 | EP0516857B1 High-strength ultrafine steel wire with excellent workability in stranding, and process |
| 03/05/1997 | CN1144543A Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability and method of manufacturing the same |
| 03/04/1997 | US5606787 Continuous method for producing final gauge stainless steel product |
| 02/26/1997 | EP0615551B1 Weldable high-strength structural steel with 13 % chromium |
| 02/26/1997 | CN1143545A Method of manufacturing grain-oriented silicon steel sheet having excellent magnetic characteristics |
| 02/25/1997 | US5605581 For color cathode ray tubes |
| 02/20/1997 | WO1997006285A1 Raw material for magnetic shield, production method thereof, and color television receiver |