Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
05/1996
05/15/1996CN1122375A Method and apparatus for an improved steel strap
05/15/1996CN1122264A A process for the preparation of cold rolled stain less steel strips and metal strips, more particularly of titanium alloys
05/14/1996US5516373 High performance steel strapping for elevated temperature service and method thereof
05/09/1996WO1996013618A1 Cold rolled sheet steel for shadow mask, and manufacturing method therefor
05/08/1996EP0655959A4 Apparatus and method for precision gear finishing by controlled deformation.
05/08/1996EP0438592B1 Production method of unidirectional electromagnetic steel sheet having excellent iron loss and high flux density
05/07/1996US5514227 Method of preparing titanium-bearing low-cost structural steel
05/02/1996WO1996012574A1 Method of manufacturing seamless steel pipes and manufacturing equipment therefor
05/02/1996WO1996012573A1 Process and device for producing a steel strip with the properties of a cold-rolled product
05/01/1996EP0709480A1 Steel plate excellent in prevention of brittle crack propagation and low-temperature toughness and process for producing the plate
05/01/1996EP0709470A1 Production method of directional electromagnetic steel sheet of low temperature slab heating system
05/01/1996EP0708843A1 Method and plant for the manufacture of special steel blanks
05/01/1996EP0708842A1 Warm forming high strength steel parts
05/01/1996CN1121535A High strength, high weldability steel bars and wires for prestressed concrete
04/1996
04/30/1996US5512110 Coating decarburized steel with an annealing separator; annealing in nitrogen atmosphere to cause nitriding
04/25/1996WO1996011812A1 Stainless steel wire for reinforcing the upper part of tire casings
04/25/1996DE19520832A1 Verfahren und Vorrichtung zur Herstellung von Stahlband mit Kaltwalzeigenschaften Method and apparatus for the production of steel strip with cold rolled properties
04/25/1996CA2198034A1 Stainless steel wire for reinforcing the upper part of tire casings
04/24/1996EP0708460A2 Fabrication of core plates
04/24/1996EP0708183A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
04/24/1996EP0436032B1 Method of producing high-strength stainless steel strip having duplex structure and excellent spring characteristics
04/23/1996US5509977 Mechanical properties, workability
04/23/1996US5509976 Method for producing a grain-oriented electrical steel sheet having a mirror surface and improved core loss
04/23/1996CA2030538C Process for preparing rollable metal sheet from quench solidified thin cast sheet as starting material
04/18/1996WO1994014992A1 Manufacture of materials and workpieces having fine grain for components in nuclear plant applications
04/18/1996CA2150259A1 Manufacture of materials and work-pieces having fine grain for components in nuclear plant applicantions
04/17/1996EP0707089A1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same
04/17/1996EP0707088A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
04/17/1996EP0707087A1 High-strength steel sheet adapted for deep drawing and process for producing the same
04/17/1996EP0706840A2 Method and device for manufacturing cold rolled stainless steel from hot rolled strip
04/16/1996US5508002 Spring steel of high strength and high corrosion resistance
04/16/1996US5507883 Hot and cold rolling, decarburization, nitriding, coating with annealing separator of magnesium oxide and a chloride; free of fosterite
04/11/1996WO1996010654A1 Highly corrosion-resistant martensitic stainless steel with excellent weldability and process for producing the same
04/09/1996US5505797 Method of producing ferritic stainless steel strip with small intra-face anisotropy
04/09/1996US5505796 High yield ratio-type, hot rolled high strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof
04/04/1996DE19536978A1 Weld plating of steel tube
04/03/1996EP0704542A1 Method for making non-oriented magnetic steel sheet
04/03/1996CN1119878A Martensitic heat-resisting steel having excellent resistance to HAZ softening and process for producing the steel
04/02/1996US5503693 Method for producing a thin Fe-Ni alloy for shadow mask
04/02/1996US5503688 Metal wire comprising a substrate of steel of work-hardened tempered martensite type structure and a coating
03/1996
03/28/1996WO1996009419A1 Bainite steel material of little scatter of quality and method of manufacturing the same
03/27/1996EP0703298A1 Method of manufacturing steels with good workability and shape stability
03/26/1996US5501749 Method for producing a thin Fe-Ni alloy for shadow mask thereof
03/20/1996CN1118814A Method for making steel plate with good working performence
03/20/1996CN1118811A Differencial shaped rod steel with high adhesion and high strength
03/19/1996US5500290 Surface treated steel sheet
03/19/1996US5500058 From low carbon boron steel, hot trimming during forging step, energy savings
03/13/1996EP0700739A1 Method for producing a vehicular endless track link
03/13/1996EP0700451A1 High manganese steel having superior hot workability, and process for manufacturing high manganese hot rolled steel sheet without any crack
03/13/1996CN1118638A Improved process for manufacturing alternator pole piece
03/06/1996EP0699771A1 Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same
03/06/1996EP0548339B1 Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof
03/06/1996CN1118174A Rail of high abrasion resistance and high tenacity having pearlite metalographic structure and method of manufacturing the same
03/05/1996US5496514 Stainless steel sheet and method for producing thereof
03/05/1996US5496425 Having desired cross-sections from blanks having ferrite-perlite microstructure by rolling, upsetting, forging or extrusion
03/05/1996US5496420 Can-making steel sheet
02/1996
02/28/1996EP0475962B1 Method and apparatus for making card clothing
02/28/1996EP0424546B1 Process for manufacturing directional silicon steel sheet excellent in magnetic properties
02/27/1996US5494537 High strength and toughness stainless steel strip and process for the production of the same
02/27/1996US5493766 Process for hot working continuous-cast bloom and steel ingot
02/21/1996EP0697464A1 Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof
02/20/1996US5492575 Process for producing thin strip of Cr-stainless steel having high toughness
02/07/1996EP0695808A1 Method of producing cold-rolled metallic strips, in particular strips of stainless steel and of titanium alloys
02/07/1996CN1116357A Electricians' steel plate with corrosion resisting insolating layer and iron core used in motor or transformer
02/06/1996US5489342 Method of manufacturing silicon steel sheet having grains precisely arranged in goss orientation
02/01/1996WO1996002678A1 Process for producing steel material and steel pipe excellent in corrosion resistance and weldability
02/01/1996WO1996002677A1 A method of making cold formed high-strength steel parts
02/01/1996WO1996002676A2 Cold formed high-strength steel structural members
02/01/1996WO1996002675A1 Warm forming high-strength steel structural members
02/01/1996CA2195225A1 Production method for steel material and steel pipe excellent in corrosion resistance and weldability
01/1996
01/31/1996EP0694621A1 Process for producing a coil spring
01/31/1996EP0694620A1 Method of producing a stainless steel sheet having excellent brightness
01/31/1996EP0378705B1 PROCESS FOR PRODUCING THIN Cr-Ni STAINLESS STEEL SHEET EXCELLENT IN BOTH SURFACE QUALITY AND QUALITY OF MATERIAL
01/31/1996CN1115991A Cold-rolled steel sheet having excellent workability and process for producing the same
01/30/1996US5487794 Hot rolling; abutting and joining a surface of seed material against a coiled end face of steel sheet; annealing
01/24/1996EP0693571A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693570A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693569A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
01/24/1996EP0693562A1 Process and apparatus for heat-treating shaped rolled pieces
01/24/1996CN1115581A Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability
01/23/1996US5486241 Non-aging at room temperature ferritic single-phase cold-rolled steel sheet and hot-dip galvanized steel sheet for deep drawing having excellent fabrication embrittlement resistance and paint-bake hardenability and process for producing the same
01/23/1996CA2154407A1 Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof
01/18/1996WO1996001335A1 Chromium steel sheet excellent in press formability
01/17/1996CN1115183A Continuously annealed and cold rolled steel sheet
01/16/1996US5483811 Segmented anvil roller for refining the domain structure of electrical steels
01/11/1996DE4423462A1 Heat treatment of ferritic and ferritic-martensitic stainless steels for plate, wire or strip products
01/10/1996EP0691412A1 Method of manufacturing stainless steel sheet of high corrosion resistance
01/10/1996CN1114687A Mono-orientational electro-magnetic steel plate with low iron loss and manufacture of same
01/09/1996US5482107 Continuously cast electrical steel strip
01/04/1996WO1996000313A1 Method of treating at least one component made of weakly magnetic material
01/04/1996WO1996000306A1 Method of manufacturing non-oriented electromagnetic steel plate having high magnetic flux density and low iron loss
01/04/1996WO1996000305A1 Method of increasing the yield strength of cold formed steel sections
12/1995
12/27/1995EP0688883A1 Martensitic heat-resisting steel having excellent resistance to haz softening and process for producing the steel
12/27/1995CN1114113A Steel sheet of high stress-corrosion-cracking resistance for cans and method of manufacturing the same
12/26/1995US5478523 Graphitic steel compositions
12/26/1995US5478410 Process for producing grain-oriented electrical steel sheet having low watt loss
12/21/1995WO1995034690A1 Process for producing steel pipe excellent in corrosion resistance and weldability
12/20/1995EP0687394A1 Improved process for manufacturing alternator pole piece
12/20/1995CN1113661A Austenitic stainless steel having superior press-formability, hot workability and high temperature oxidation resistance, and manufacturing process therefor
12/19/1995CA1337751C Method and apparatus for forming bainite