| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 01/12/2005 | CN1184336C Method for manufacturing grain orientation electric steel plate with good magnetic property |
| 01/11/2005 | US6841010 Cold rolled steel |
| 01/11/2005 | CA2154090C Method and apparatus for heat-treating profiled rolling stock |
| 01/06/2005 | US20050000678 Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way |
| 01/06/2005 | US20050000606 Multistage cooling |
| 01/06/2005 | US20050000601 high strength; high frequency induction heating, transformation, quenching |
| 01/06/2005 | US20050000596 Method for production of non-oriented electrical steel strip |
| 01/05/2005 | EP1493832A1 High tensile strength hot-rolled steel sheet having superior strain aging hardenability and method for producing the same |
| 01/05/2005 | EP1493831A1 Pealite based rail excellent in wear resistance and ductility and method for production thereof |
| 01/05/2005 | EP1493512A1 High-strength stainless steel bolt and method of manufacturing the same |
| 01/05/2005 | EP1392873A4 Method of producing stainless steels having improved corrosion resistance |
| 01/05/2005 | CN1561403A Steel material for high heat input welding and its manufacturing method |
| 01/05/2005 | CN1561399A Method and apparatus for thermal treatment of rails |
| 01/05/2005 | CN1561268A Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way |
| 01/05/2005 | CN1560310A Thin steel sheet and method for manufacturing the same |
| 01/05/2005 | CN1560309A Technology of preparing order alloy thin plate with iron silicon series base by step enhaneing plasticity method |
| 01/05/2005 | CN1560285A Method for fining low carbon iron steel element crystal grain |
| 01/05/2005 | CN1183268C High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing same |
| 01/04/2005 | US6837946 Plastic deformation before heat treatment; steel containing carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, copper |
| 12/30/2004 | US20040265162 alloys of iron and chromium, aluminum, zirconium, silicon, titanium, niobium, carbon, nitrogen, yttrium and/or rare earth elements, having oxidation and creep resistance, used to form pipes for manifolds of sutomobile exhaust systems, blooms, strips, ingots, castings or forgings |
| 12/30/2004 | US20040261920 Tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming; for molded products such as building members, mechanical structural parts, automobile structural parts |
| 12/30/2004 | US20040261919 High-strength cold rolled steel sheet and process for producing the same |
| 12/29/2004 | WO2004113580A1 High strength steel plate excellent in formability and method for production thereof |
| 12/29/2004 | WO2003106719A3 Apparatus and method for thermomechanically forming an aluminide part of a workpiece |
| 12/29/2004 | EP1491648A1 Directional hot rolled magnetic steel sheet or strip with extremely high adherence to coating and process for producing the same |
| 12/29/2004 | EP1491647A1 Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring |
| 12/29/2004 | EP1491646A1 Cast piece and sheet of ferritic stainless steel, and method for production thereof |
| 12/29/2004 | EP1491230A2 A method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 12/29/2004 | EP1458896A4 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor |
| 12/29/2004 | EP1099772B1 Martensite stainless steel for seamless steel tube |
| 12/29/2004 | CN1182262C One-way electromagnetic steel plate for low noise transformer |
| 12/28/2004 | US6835253 Method for producing a hot strip |
| 12/28/2004 | US6835250 Annealed separator for magnetic steel sheet |
| 12/23/2004 | WO2004111285A1 Austenitic stainless steel for hydrogen gas and method for production thereof |
| 12/23/2004 | WO2004111279A2 Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 12/23/2004 | DE10325955A1 Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität Method and apparatus for producing steel products with outstanding surface quality |
| 12/22/2004 | CN1556869A Nonoriented magnetic steel sheet, member for rotary machine and rotary machine |
| 12/16/2004 | WO2004108971A2 Method and installation for the production of steel products having an optimum surface quality |
| 12/16/2004 | WO2004108970A2 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 12/16/2004 | US20040250930 Super formable high strength steel sheet and method of manufacturing thereof |
| 12/16/2004 | US20040250923 Method for producing oxidation-resistant high cr ferritic heat resistant steel |
| 12/16/2004 | CA2528165A1 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 12/15/2004 | EP1486580A1 Atmosphere corrosion resisting steel plate having high strength and excellent bending formability and method for production thereof |
| 12/15/2004 | EP1486574A1 Process for producing high tensile hot-dip zinc-coated steel sheet of excellent ductility and antifatigue properties |
| 12/15/2004 | EP1485511A2 High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 12/15/2004 | EP1344439A4 A high strength steel plate having superior electric and magnetic shielding property, and method making the same |
| 12/15/2004 | EP1294956B1 Corrosion resistant material |
| 12/15/2004 | EP1261748A4 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing |
| 12/15/2004 | CN1555420A Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
| 12/15/2004 | CN1554781A Cooling method for non quenched and tempered steel engine crank shaft after forging |
| 12/15/2004 | CN1180096C High resistance steel band or sheet and method for production theirof |
| 12/14/2004 | US6830634 Heat treatment in channel with transverse projection for heat contact |
| 12/09/2004 | US20040244885 Steel sheet for vitreous enameling and method for producing the same |
| 12/09/2004 | US20040244884 Hot rolling; annealing; cold rolling; controlling particle size, distribution of precipitates |
| 12/09/2004 | US20040244877 High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same |
| 12/08/2004 | EP1484424A1 Ferritic stainless steel sheet excellent in press formability and secondary formability and its manufacturing method |
| 12/08/2004 | EP1484423A1 Steel plate subjected to heat treatment and process for producing the same |
| 12/08/2004 | EP1484419A2 Procedure for manufacturing carburized steel strips |
| 12/08/2004 | EP1483417A1 A method for manufacturing an ultra-high-tensile pressure turned sheet metal product of steel |
| 12/08/2004 | EP1374655A4 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 12/08/2004 | CN1554217A A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 12/08/2004 | CN1553966A Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same |
| 12/07/2004 | US6826940 Method of metal and alloy billet treatment |
| 12/02/2004 | WO2004104256A1 A cold-rolled steel sheet having a tensile strength of 780 mpa or more an excellent local formability and a suppressed increase in weld hardness |
| 12/02/2004 | WO2004104255A1 Tube d'acier pour systeme de coussin de securite gonflable et procede de production associe |
| 12/02/2004 | WO2004104254A1 High-resistant sheet metal which is cold rolled and aluminized in dual phase steel for an anti-implosion belt for a television and method for the manufacture thereof |
| 12/02/2004 | WO2004104237A1 Coil winding method for metal in bars |
| 12/02/2004 | WO2004104236A1 Controlled warm-rolling method |
| 12/02/2004 | WO2004104235A1 Warm rolling method |
| 12/02/2004 | WO2004104234A1 Fe-ni alloy metal wire having a high mechanical strength and a low thermal expansion co-efficient, which is intended for high voltage cables, and production method thereof |
| 12/02/2004 | US20040239013 Process and device for producig a high-strength steel strip |
| 12/02/2004 | US20040238084 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming |
| 12/02/2004 | US20040238083 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor |
| 12/02/2004 | US20040238082 High strength cold rolled steel plate and method for production thereof |
| 12/02/2004 | US20040238081 Steel plate exhibiting excellent workability and method for producing the same |
| 12/02/2004 | US20040238080 Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
| 12/02/2004 | US20040238078 Heat treatment method for a cold-rolled strip with an ni and/or co surface coating, sheet metal producible by said method and battery can producible by said method |
| 12/01/2004 | EP1481108A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 12/01/2004 | EP1444373A4 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same |
| 12/01/2004 | EP1368504A4 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 12/01/2004 | EP1119648B1 Cold workable steel bar or wire and process |
| 12/01/2004 | CN1550565A High-strength stainless steel sheet and method for manufacturing the same |
| 12/01/2004 | CN1550563A Fe-Ni series alloy thin band for pressure shaped shadow mask board |
| 12/01/2004 | CN1177951C Non-orientation type electromagnetic steel board, its preparation method used isolation film formation agent |
| 12/01/2004 | CN1177942C Method for treating brittle thin metal strip and magnetic parts made from nanocrystalline alloy strip |
| 12/01/2004 | CN1177662C Casting slab for shadow mask, method for heat treatment thereof and material for shadow mask |
| 11/30/2004 | US6824625 Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet |
| 11/30/2004 | US6823706 Steel wire and method of manufacturing the same |
| 11/30/2004 | CA2142825C Apparatus and method for precision gear finishing by controlled deformation |
| 11/25/2004 | WO2004101831A1 Improved method for production of non-oriented electrical steel strip |
| 11/25/2004 | US20040231763 Obtaining a fine-lamellar perlite structure in the edge region of the rail heads by specific heat treatment during cooling from the rolling heat without the formation of bainite; temperature of the more intensively cooled edge region is raised by intermediate heating to at least the core temperature |
| 11/25/2004 | US20040231752 Ultra-high magnetic flux density undirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor |
| 11/25/2004 | US20040231393 High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics |
| 11/25/2004 | DE10361694A1 Verfahren zum Herstellen eines Strukturträgers eines Fahrzeugs A method of producing a structural beam of a vehicle |
| 11/24/2004 | EP1099230A4 Electrical steel with improved magnetic properties in the rolling direction |
| 11/24/2004 | CN1548570A Thin steel plate with excellent workability and forming precision and producing process thereof |
| 11/24/2004 | CN1548569A Indirectional electric steel plate without corrugated fault and its making process |
| 11/23/2004 | US6821364 High speed, slow speed cooling; high strength, ductility |
| 11/23/2004 | US6821358 Ferritic stainless steel which can be used for ferromagnetic parts |
| 11/23/2004 | CA2336600C Martensitic stainless steel for seamless steel pipe |