Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
12/1994
12/20/1994US5374322 Method of manufacturing high strength steel member with a low yield ratio
12/20/1994CA1333556C Hot-rolled alloy steel plate with austenitic structure and method of making
12/14/1994EP0629009A1 Battery can, sheet for forming battery can, and method for manufacturing sheet
12/14/1994EP0628359A1 Method of manufacturing hot rolled silicon steel sheets of excellent surface properties
12/14/1994EP0628087A1 Method for continuous recrystallization annealing of a steel strip
12/14/1994CN1026995C Ultra-deep punching steel plate producing method by structure pretreat
12/13/1994US5372654 Regins containing carbon and nitrogen and boron
12/08/1994WO1994028189A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
12/08/1994WO1994028188A1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same
12/08/1994WO1994028187A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same
12/08/1994WO1994028182A1 Steel bars and rods and manufacturing process
12/07/1994EP0627494A1 Alloy sheet for shadow mask and method for manufacturing thereof
12/07/1994CN1095989A Stainless steel and carbon steel composite, and method of producing the same
12/06/1994US5370946 Stabilized carbon steel consists of niobium, titanium, carbon, nitrogen and atleast other carbide forming element selected from tantalum and zirconium to prevent carbon migration to stainless steel layer; improved yield and tensile strength
12/06/1994US5370748 Process for manufacturing double oriented electrical steel sheet having high magnetic flux density
12/01/1994DE4318931C1 Method for the production of welded tubes
11/1994
11/30/1994EP0377734B1 PRODUCTION OF NON-ORIENTED HIGH-Si STEEL SHEET
11/29/1994US5368656 Microstructure of iron carbides and vanadium and niobium carbonitrides, hardness, toughness
11/23/1994EP0625582A2 Treating agent for producing an insulating film on a non-oriented electrical steel sheet
11/22/1994US5366568 Method of producing primarily tempered martensite steel
11/22/1994CA2030456C Strip elongation control in continuous annealing furnaces
11/22/1994CA2030454C Strip elongation control in continuous annealing furnaces
11/22/1994CA2030453C Strip elongation control in continuous annealing furnaces
11/17/1994EP0624658A1 Steel wire for making high strength steel wire product and method for manufacturing thereof
11/17/1994EP0624205A1 High-strength steel parts and method of making
11/16/1994CN1026597C Ferro-mognetically-solt steel
11/10/1994DE4314601A1 Apparatus and method for treating grain-orientated workpieces with focussed light
11/09/1994EP0489160B1 Shape-memory stainless steel excellent in stress corrosion cracking resistance
11/09/1994CN1026499C Heat treatment of corrosion resistant steels
11/03/1994DE4319431C1 Process for producing a cold-rolled steel sheet as starting material for the production of shadow masks
11/01/1994US5360676 Tin mill black plate for canmaking, and method of manufacturing
11/01/1994US5360496 Nickel base alloy forged parts
11/01/1994US5360493 Ductility; automobiles
10/1994
10/27/1994DE4322924C1 Method and apparatus for the production of hot-rolled carbon-containing steel strip
10/25/1994US5358578 Controlled deformation by rolling at controlled temperatures for workability, mechanical properties
10/19/1994EP0620289A1 High-strength hot-rolled steel sheet excellent in uniform elongation after cold working and process for producing the same
10/19/1994EP0620288A1 Cold-rolled sheet and hot-galvanized, cold-rolled sheet, both excellent in bake hardening, cold nonaging and forming properties, and process for producing the same
10/19/1994EP0620284A2 Process for producing patented steel wire
10/18/1994US5356494 High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same
10/18/1994US5356489 Forging cast bulk alloy at temperature in which alloy is in two phases; a solid phase and a liquid phase
10/18/1994CA1332520C Cold-rolled steel sheets and method for producing cold-rolled steel sheets
10/13/1994WO1994023086A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994WO1994023085A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
10/13/1994WO1994023084A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994WO1994023083A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994DE4412031A1 Method for manufacturing forgings made of nickel alloys
10/13/1994DE4311909A1 Method for the production of hollow shafts with a profile
10/13/1994CA2098160A1 Process for producing patented steel wire
10/12/1994EP0619376A1 Method for manufacturing grain oriented electrical sheets with improved core loss
10/11/1994US5354389 Controlling temperature during hot rolling, cold rolling; annealing in a reducing or non-oxidizing atmosphere
10/11/1994CA1332345C Silicon steel sheets having low iron loss and method of producing the same
10/11/1994CA1332344C Method of producing grain oriented silicon steel sheets having excellent magnetic properties
10/05/1994EP0618067A1 Stainless steel and carbon steel composite, and method of producing the same
10/04/1994US5352406 Containing specified amounts of carbon, chromium, nickel, molybdenum, tungsten, copper, nitrogen, manganese, phosphorus, sulfur, silicon
10/04/1994CA1332210C High strength low carbon steel wire rods and method of producing them
09/1994
09/27/1994US5350464 Silicon steel strip having mechanically refined magnetic domain wall spacings and method for producing the same
09/27/1994CA1332114C Method for preventing recrystallization during hot isostatic pressing
09/21/1994EP0615551A1 Weldable high-strength structural steel with 13 % chromium.
09/21/1994CN1092470A Rolling tech. for titanium treated steel plate high-temp. recrystallization rolling fast cooling to substitute for intermediate and low temp. controlled rolling
09/14/1994CN1091942A Metallic vacuum double-walled container and manufacturing method therein
09/13/1994US5346559 Process for manufacturing double oriented electrical steel sheet having high magnetic flux density
09/13/1994CA2020285C Production of grain-oriented silicon steel sheets having an insulating film formed thereon
09/07/1994EP0613957A1 Process for manufacturing magnetic steel sheets
08/1994
08/31/1994EP0612857A1 Ferrite single phase cold rolled steel sheet or fused zinc plated steel sheet for cold non-ageing deep drawing and method for manufacturing the same
08/30/1994US5342700 Automobile tire reinforcement
08/30/1994US5342454 Hot rolling; producing oxide layer; cold rolling; decarburizing; coating with magnesium oxide; annealing
08/24/1994EP0611829A1 Method of producing low iron loss grain-oriented silicon steel sheet having low-noise and superior shape characteristics
08/24/1994EP0611669A1 High-strength bead wire
08/17/1994EP0610931A2 Production method of strong and tough thick steel plate
08/16/1994US5338380 Continuous cold drawing, controllling carbon, silicon and manganese content, plating with brass
08/10/1994EP0609556A2 Method for producing low carbon-equivalent rolled steel shapes by controlled rolling
08/10/1994EP0357800B1 Process for producing nonoriented silicon steel sheet having excellent magnetic properties
08/09/1994US5336339 Refractory shape steel material containing oxide and process for proucing rolled shape steel of said material
08/04/1994WO1994017215A1 Process for producing chromium-containing stainless steel strip with excellent toughness
08/03/1994EP0609190A1 Method of manufacturing a hot rolled steel sheet with high magnetic properties
08/03/1994EP0608749A1 Process for manufacturing hot rolled steel strip with adjusted strength
08/03/1994EP0608430A1 Cold-rolled steel plate having excellent baking hardenability, non-cold-ageing characteristics and moldability, and molten zinc-plated cold-rolled steel plate and method of manufacturing the same
08/02/1994US5333625 Suturing with corrosion and breakage resistant flexible wire
08/02/1994CA1331128C Continuous treatment of cold-rolled carbon high manganese steel
08/02/1994CA1331127C Method of producing fe-ni series alloys having improved effect for restraining streaks during etching
07/1994
07/28/1994DE4311151C1 Grain-orientated electro-steel sheets with good properties
07/27/1994EP0607907A1 Tempering apparatus for tempering a steel plate
07/27/1994EP0607440A1 Process for producing mirror-finished directional electric sheet
07/27/1994CN1089993A Heat treatment technology of pearlite steel deformation
07/26/1994US5332453 High tensile steel sheet having excellent stretch flanging formability
07/20/1994EP0606884A1 Grain-oriented electrical steel sheet with very low core loss and method of producing the same
07/20/1994CN1089663A 电工钢片 Electrical steel
07/19/1994US5330594 Method of making cold formed high-strength steel parts
07/19/1994US5330586 Hot and cold rolling; annealing, decarburization, and recrystallization
07/19/1994US5329688 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
07/16/1994CA2113532A1 Method of producing a slideway-type guide
07/12/1994US5328531 Heat treatment of steels, quenching in fluidized bed to form springs
07/12/1994US5328528 Process for manufacturing cold-rolled steel sheets with high-strength, and high-ductility and its named article
07/07/1994WO1994014986A1 Thermomechanical processing of metallic materials
07/07/1994WO1994014549A1 Method of manufacturing hot rolled silicon steel sheets of excellent surface properties
06/1994
06/29/1994EP0604072A1 Method and apparatus for the continuous field annealing of amorphous metal transformer cores
06/29/1994EP0603613A1 Metallic vacuum double-walled container and manufacturing method thereof
06/29/1994CN1088711A Method and apparatus for the continuous field annealing of amorphous mamorphous metal transformer cores
06/29/1994CN1088628A Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material
06/29/1994CN1088491A Method and apparatus for rolling of belt steel from blocks continously casted