Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
07/1998
07/23/1998DE19701443A1 Cold rolled steel sheet or strip with good formability used for car parts production
07/21/1998US5782999 Containing carbon, manganese, aluminum, nitrogen and niobium;excellent strength; automatic laundering machines
07/21/1998US5782998 Grain oriented electrical steel sheet having specular surface
07/21/1998CA2012417C Stainless steel sheet for exterior building constituent and method of making the same
07/14/1998US5779819 Grain oriented electrical steel having high volume resistivity
07/14/1998CA2124838C High strength hot rolled steel plates and sheets excellent in uniform elongation after cold working and process for producing the same
07/14/1998CA2033059C Process for producing grain oriented silicon steel sheets having excellent magnetic properties
07/09/1998WO1998029205A1 Brushing process for corrosion and oxidation resistance
07/08/1998EP0852265A1 Magnetic shield material, production method thereof and color image tube assembling the material
07/08/1998CN1039036C Martensitic heat-resisting steel having excellent resistance to HAZ softening and process for producing the steel
07/08/1998CN1039033C Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability
07/02/1998WO1998028457A1 Thin steel plate of high rectangular tube drawability and method of manufacturing the same
07/02/1998WO1998028453A1 Process for the treatment of grain oriented silicon steel
07/02/1998WO1998028452A1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics
07/02/1998WO1998028451A1 Process for the production of grain oriented silicon steel sheet
07/02/1998WO1998028450A1 High strength deep drawing steel developed by reaction with ammonia
07/02/1998DE19757359A1 Carbon steel for hot forged connecting rod
07/02/1998CA2250742A1 High strength deep drawing steel developed by reaction with ammonia
07/01/1998EP0851039A1 Stainless steel wire and process for production
07/01/1998EP0851038A1 Steel and process for forming a steel article by cold plastic working
07/01/1998EP0850701A1 Method and installation for producing bars with a refined and/or compressed structure by roll forging
06/1998
06/30/1998US5772795 Nitriding in annealing furnace; strengthening
06/30/1998CA2225782A1 Steel and process for manufacturing a steel part shaped by cold working
06/25/1998WO1998027235A1 Method for stretching of a profile in an induction heat treatment process
06/25/1998WO1998027234A2 Helical spring with high volumetric efficiency and method for the production thereof
06/25/1998WO1998026882A1 Process and device for producing a steel strip or sheet
06/24/1998EP0849371A1 Non-oriented magnetical steel sheet
06/24/1998EP0849369A2 Process for heat treatment of steel wire or bar winding onto coils
06/24/1998EP0849368A1 Shaped rolled product and method of making the same
06/24/1998CN1185359A Formed rolled piece and mfg. method thereof
06/24/1998CN1038855C Stainless steel for coins
06/23/1998US5769974 Process for improving magnetic performance in a free-machining ferritic stainless steel
06/23/1998US5769973 Thermally conditioning the bainite state to a martensite state to remove memory of its original shape, stress tempering without restraining
06/23/1998US5769965 Annealing, then forming nitride layer on electromagnetic fuel injection valves, chromium steels
06/18/1998WO1998026434A1 Display unit for use in a magnetic anti-theft system
06/18/1998DE19652399A1 Production of multicomponent foil
06/17/1998EP0848069A2 Process for manufacturing corrosion resistant steel bottles or vessels
06/17/1998CN1185182A Martensitic stainless steel having high mechanical strength and corrosion resistance and relative mfd. articles
06/16/1998US5766381 Method of producing bainitic steel materials having a less scattering of properties
06/16/1998US5766376 High-strength ferritic heat-resistant steel and method of producing the same
06/16/1998US5766375 Non-oriented magnetic steel sheet having excellent bending workability
06/11/1998WO1998024942A1 Steel sheet for double wound pipe and method of producing the pipe
06/09/1998US5762724 Wire having pearlite structure and cementite portion with mixed fibrous and granular structure, physical properties
06/04/1998WO1998023785A1 High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same
06/03/1998EP0845544A1 Steel product made from bainitic steel and process for making the steel product
06/03/1998EP0845310A1 Wire cooling
06/03/1998CN1183478A Excellent machining property steel and sheet steel by electric furnace-vacuum degasifying process, and mfg. method thereof
06/02/1998US5759306 Method for making a steel sheet suitable as a material for can making
06/02/1998US5759304 Process for producing hot rolled steel strip with adjusted strength
06/02/1998US5759297 Smelting, casting, hot rolling, slow cooling and quenching; 75% of ferrite is hardened by precipitation of titanium or titanium and niobium carbides or carbonitrides, remainder comprising marteniste, possiblly bainite and austenite
06/02/1998US5759294 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses
06/02/1998US5759293 Crystal microstructure
05/1998
05/28/1998DE19637968A1 Production of a leaf of a parabolic spring used in the car industry
05/27/1998CN1182801A Method for manufacturing stainless steel strip
05/20/1998EP0842715A1 Seamless steel pipe manufacturing method and equipment
05/20/1998EP0841993A1 Method and plant for the manufacture of a strip of formable steel
05/20/1998CN1038431C Large diameter high strength rolled steel bar and process for the production of the same
05/19/1998US5753051 Oriented electrical steel sheet having low core loss and method of manufacturing same
05/14/1998WO1998020180A1 Method for manufacturing high strength and high formability hot-rolled transformation induced plasticity steel containing copper
05/14/1998WO1998020179A1 Bidirectional electromagnetic steel plate and method of manufacturing the same
05/13/1998EP0674721B1 Thermomechanical processing of metallic materials
05/12/1998US5749981 Process for producing patented steel wire
05/12/1998US5749140 Steel having sulfur or oxygen inclusions oriented parallel to plate surface
05/07/1998WO1998018970A1 Process for monitoring and controlling the quality of rolled products from hot-rolled processes
05/07/1998CA2270450A1 Process for monitoring and controlling the quality of rolled products from hot-rolled processes
05/06/1998CN1180754A Manufacture method for single orientation silicon steel plate
05/05/1998US5746845 Method for manufacturing high-strength member of precipitation hardening martensitic stainless steel
04/1998
04/30/1998WO1998017835A1 Steel containing nickel and a method for producing rolling and forging products from such steel
04/30/1998DE19645139A1 Ni-haltiger Stahl und Verfahren zur Herstellung von Walz- und Schmiedeprodukten aus diesem Stahl Ni-containing steel and process for the production of rolled and forged steel products in this
04/29/1998CN1180382A Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high-alloy or hypereutectoid steel
04/29/1998CN1180111A Method for producing Fe-Ni alloy sheet and Fe-Ni alloy shadow mask
04/28/1998US5743972 Heavy-wall structural steel and method
04/28/1998CA2067043C High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same
04/23/1998DE19701234C1 Highly formable thin steel sheet production
04/22/1998EP0837151A1 Process for the manufacture of a iron-chrome-aluminium foil and its use
04/22/1998EP0837149A2 Grain-oriented electromagnetic steel sheet and process for producing the same
04/22/1998EP0837148A2 Grain-oriented electromagnetic steel sheet
04/22/1998EP0837147A2 A method for manufacturing a stainless steel strip
04/21/1998US5741377 Preparing biaxially textured metal alloy article; superconductors
04/21/1998CA2102545C Method for producing low carbon equivalent rolled steel shapes by controlled rolling
04/16/1998WO1998015673A1 Surface treated steel sheet and method of manufacturing the same
04/15/1998EP0835945A1 Hot rolled steel sheet for deep drawing
04/15/1998EP0835944A1 Method of producing grain-oriented magnetic steel sheet
04/15/1998EP0835698A2 Hot-rolled stainless steel strip and method for producing the same
04/15/1998CA2218154A1 A method for manufacturing a stainless steel strip
04/14/1998US5739485 Motor vehicle exhaust muffler
04/14/1998US5739086 Structures having enhanced biaxial texture and method of fabricating same
04/14/1998US5738739 Method for producing low carbon equivalent rolled steel shapes by controlled rolling
04/14/1998US5738738 Hot rolling, coiling, cold rolling and annealing
04/08/1998EP0834580A1 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe
04/08/1998CN1178561A Process and apparatus for continously casting sheet metal
04/08/1998CN1037984C Alloy sheat for shadow mask and method for manufacturing thereof
04/01/1998CN1177985A Hot rolled Cr-Ni stainless steel plate of low anisotropy and process for producing the same
04/01/1998CN1177648A PC concrete iron and method for producing same
03/1998
03/31/1998US5733387 Duplex stainless steel, and its manufacturing method
03/31/1998CA2074068C High strength, ultra fine steel wire having excellent workability in stranding and process and apparatus for producing the same
03/25/1998EP0830218A1 Structures having enhanced biaxial texture and method of fabricating same
03/25/1998CN1037861C High earthquake resistant building structureal steel and prodn. process therefor
03/24/1998US5730810 Alloy containing rare earth elements
03/19/1998CA2215570A1 Hot-rolled steel sheet for deep drawing
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