Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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05/08/2003 | US20030084973 Process for the production of a strip of hot rolled steel of very high strength, usable for shaping and particularly for stamping |
05/08/2003 | US20030084972 For a metal sheet, composed of a finish rolling mill, a leveler, and a cooling apparatus installed from upstream to downstream in a metal sheet transporting direction; finer refining crystal grains |
05/08/2003 | US20030084966 The matrix phase contains tempered martensite, tempered martensite and ferrite, tempered bainite, or tempered bainite and ferrite, and the second phase comprises 1 to 30% of martensite at an area ratio based on the entire structure |
05/07/2003 | EP1308532A2 Ferritic stainless steel sheet having excellent deep-drawability and brittle resistance to secondary processing and method for making the same |
05/07/2003 | CN1415775A Method for producing superfine integrated ferrite grain and steel of retained austenite |
05/07/2003 | CN1107736C Stentor cemented steel for gear and thermal working tech |
05/07/2003 | CN1107734C Non-orientation electromagnetic steel sheet possesing high magnetic permeability and its mfg. method |
05/07/2003 | CN1107731C Method for mfg. cold rolled shadow mask steel sheet using pack annealing tech |
05/06/2003 | US6558815 Hot dip Galvanized steel plate excellent in balance of strength and ductility and in adhesiveness between steel and plating layer |
05/06/2003 | US6558486 Method of producing cold rolled steel strip |
05/06/2003 | US6558483 Cu precipitation strengthened steel |
05/06/2003 | US6558479 Magnetostriction properties induced by high tension of insulation film and imposition of fine strains by laser irradiation |
05/06/2003 | US6557622 Differential quench method and apparatus |
05/02/2003 | EP1306600A1 Stainless steel oil feeding pipe |
05/02/2003 | EP1306456A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
05/02/2003 | EP1305122A1 Production method and installation for producing thin flat products |
05/02/2003 | EP1169486B1 Method of producing a hot-rolled strip |
05/02/2003 | EP0885978B1 Steel sheet for double wound pipe and method of producing the pipe |
05/01/2003 | WO2003035922A1 Method for press working, plated steel product for use therein and method for producing the steel product |
05/01/2003 | WO2003035921A1 Martensitic stainless steel and method for manufacturing same |
05/01/2003 | WO2003035915A1 Method for producing monocrystalline metallic wire |
05/01/2003 | US20030082066 Powder metallurgical process of preparing a sheet from a powder having an intermetallic alloy composition such as an iron, nickel or titanium aluminide; use as electrical resistance heating element having improved properties |
05/01/2003 | US20030079815 To be made into steel wires for tire reinforcement, steel wires for prestressed concrete, and steel wires for ropes |
04/30/2003 | CN1414119A Method of producing common orientation silicon steel |
04/30/2003 | CN1107121C Antibiotic parts and its producing process |
04/29/2003 | US6554925 Method for manufacturing cold-rolled steel sheet |
04/29/2003 | US6554919 Also good molding characteristics to produce parts by stamping, profiling and hydroforming |
04/29/2003 | US6554918 High-strength hot-rolled steel sheet superior in stretch flange formability and method for production thereof |
04/29/2003 | CA2073131C Improved drawing-quality steel, process for making sheet metal for drawing and sheet metal thereof |
04/24/2003 | WO2003033746A1 Method for the production of non-grain oriented electric sheets |
04/24/2003 | WO2003033185A1 Method of manufacturing steel plate |
04/24/2003 | WO2003018856A3 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
04/24/2003 | WO1996002676A8 Cold formed high-strength steel structural members |
04/24/2003 | US20030077479 Low density and high ductility alloy steel for a golf club head |
04/24/2003 | US20030077200 Enhanced radiopaque alloy stent |
04/24/2003 | US20030075250 Bar or wire product for use in cold forging and method for producing the same |
04/23/2003 | EP1304393A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block |
04/23/2003 | CN1413267A Advanced alloy fiber and process of making |
04/23/2003 | CN1412334A Production process of wear-resisting alloy steel cutting ring |
04/23/2003 | CN1412333A Thin steel plate with good machining performance and formed precision and its mfg. method |
04/22/2003 | US6551419 Hot-rolled steel wire and rod for machine structural use and a method for producing the same |
04/22/2003 | US6550122 Method of manufacturing laminated ring |
04/17/2003 | WO2003031670A1 Steel sheet for container and method of producing the same |
04/17/2003 | WO2003031669A1 High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same |
04/17/2003 | US20030072671 Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels |
04/16/2003 | EP1302556A1 Stainless steel sheet product good of delayed fracture-strength and manufacturing method thereof |
04/16/2003 | EP1301639A2 Method and apparatus for the direct production of scale-free thin metal strip |
04/16/2003 | CN1410580A Cold rolling electromagnetic pure iron plate having very low coercive force and production method thereof |
04/16/2003 | CN1410561A Deep cold rolling method of nano crystal metal material |
04/16/2003 | CN1105785C Process for producing of grain oriented electrical steel strips |
04/16/2003 | CN1105784C Method of soft annealing high carbon steel |
04/15/2003 | US6547893 Fe-Ni based material for shadow mask |
04/15/2003 | US6547890 Steel wire rod for cold forging and method for producing the same |
04/15/2003 | US6547846 Wear resistance, hardness, impact strength; powder metallurgy |
04/15/2003 | US6546771 Hot rolling, cold rolling cycles; stainless steels |
04/10/2003 | WO2003029504A2 High-strength duplex/triplex steel for lightweight construction and use thereof |
04/10/2003 | WO2003028912A2 Method and system for thermal treatment of rails |
04/10/2003 | US20030068521 Steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
04/10/2003 | US20030066580 Finishing rolling; controlling temperature, crystal structure; corrosion resistance |
04/10/2003 | US20030066576 Quenched and tempered steel wire with excellent cold forging properties |
04/10/2003 | US20030066575 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof |
04/09/2003 | EP1299569A1 Ferritic stainless steel for ferromagnetic parts |
04/09/2003 | EP1299568A1 Fe-ni or fe-ni-co or fe-ni-co-cu alloy strip with improved cuttability |
04/09/2003 | EP1129229B1 Steel, use of the steel, product made of the steel and method of producing the steel |
04/09/2003 | CN1105193C Fe-Cr-Ni alloy plate and Fe-Cr-Ni alloy for electronic gun electrode |
04/08/2003 | US6546310 Process and device for controlling a metallurgical plant |
04/08/2003 | US6544356 Steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof |
04/08/2003 | US6544355 Continuous casting, forming; uniformity |
04/08/2003 | US6544354 High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof |
04/08/2003 | CA2109397C Method of and apparatus for manufacturing hot rolled steel strips, in particular from strip-shaped continuously cast primary material |
04/03/2003 | WO2003027344A1 Use of an austenitic stainless steel |
04/03/2003 | WO2003027343A1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
04/03/2003 | WO2003027337A1 Improved angular channel processing |
04/03/2003 | US20030064245 Clad steel rolled section for reinforcing concrete and method of production |
04/03/2003 | US20030063996 Suitable for automotive chassis parts |
04/03/2003 | US20030063995 For use in shafts of machines such as printers |
04/03/2003 | US20030062147 Method of continuously casting electrical steel strip with controlled spray cooling |
04/03/2003 | DE10212400C1 Production of molded components comprises cold forming and induction heating of molding to produce recrystallization along seam and lower resistance to further working and cooling |
04/03/2003 | CA2461869A1 Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products |
04/02/2003 | EP1298225A1 Method for producing unidirectional silicon steel sheet free of inorganic mineral coating film |
04/02/2003 | EP1082733B1 Method for preparing a magnetic material by forging and magnetic material in powder form |
04/02/2003 | CN1408028A Method of heating metal strip and apparatus thereof |
04/02/2003 | CN1407119A Production of grain orientation electromagnetic steel plates |
04/02/2003 | CN1104508C High carbon steel wire rod excellent in drawability and fatigue resistance after wire drawing |
04/02/2003 | CN1104507C Grain-oriented silicon-iron plate with excellent tectorial membrane property and magnetic property and its manufacture |
04/02/2003 | CN1104506C Hot-rolled steel plate having superfine grains for machining, and mfg. method thereof |
04/01/2003 | US6540848 High strength, high toughness, seamless steel pipe for line pipe |
04/01/2003 | US6540846 High-strength hot-rolled steel sheet superior in stretch-flanging performance and fatigue resistance and method for production thereof |
03/27/2003 | WO2003025241A1 Hot-rolled steel sheet with good ultra low temperature toughness and the method of the same |
03/27/2003 | WO2003025240A1 Method for making rolled and welded tubes comprising a final drawing or hydroforming step and resulting rolled tube |
03/27/2003 | WO2003025239A1 Invar alloy wire excellent in strength and turning characteristics and method for production thereof |
03/27/2003 | WO2003025232A1 Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
03/27/2003 | US20030059643 High strength steel plate having superior electric and magnetic shielding property, and method making the same |
03/27/2003 | US20030057695 Stainless-steel pipe with excellent suitability for secondary processing for automotive structural member |
03/26/2003 | EP1295959A1 Fe-cr-al based alloy foil and method for producing the same |
03/26/2003 | EP1294956A1 Corrosion resistant material |
03/26/2003 | EP1045737B1 Process and device for producing a high-strength steel strip |
03/26/2003 | EP1020247B1 Clad material and method of manufacturing the material |
03/26/2003 | CN1405352A Cold-rolled steel plate and galvanized steel plate with exceuent forming property, surface shaping property and anti-rabbing and manufacture method thereof |
03/26/2003 | CN1405350A High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof |