Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
09/2006
09/13/2006CN1274864C Ferritic stainless steel and use thereof in the manufacture for high temperature resistant products
09/13/2006CN1274863C Very thin, high carbon steel wire and method of producing same
09/13/2006CN1274854C Rolling control method for superfine structure low-carbon steel
09/13/2006CN1274853C Processing heat treatment method of Fe-Mn-Si series shape memory alloy which adding NbC
09/13/2006CN1274431C Method for processing a continuously cast metal slab or strip, and plate or strip produced in this way
09/12/2006US7105066 Heating, hot rolling, crystallization, precipitation, cooling, transformation steel slab
09/08/2006WO2006093282A1 High tensile and fire-resistant steel excellent in weldability and gas cutting property and method for production thereof
09/06/2006EP1698711A1 Ferritic cr-containing steel
09/06/2006EP1698706A1 Method for annealing grain oriented magnetic steel sheet and method for producing grain oriented magnetic steel sheet
09/06/2006EP1698501A1 Metal pipe for reinforcing car body and member for reinforcing car body employing it
09/06/2006CN2813636Y Superfine grain hot-rolling ribbed reinforcing rod
09/06/2006CN1827824A Ferrite antibacterial stainless steel for low-chrome copper-containing dishware and manufacturing method thereof
09/06/2006CN1827823A High-carbon alloy steel wearable steel ball and production method thereof
09/06/2006CN1827822A Lo-cost steel for circular chain for mine and production process thereof
09/06/2006CN1827820A Non-oriented electrical steel sheet excellent in magnetic properties in rolling direction and method of production of same
09/06/2006CN1273634C Nb-containing low-carbon low-alloyed steel with ultra-fine ferrite grain structure and method for producing same
09/06/2006CN1273633C Low-carbon low-alloyed dual-phase steel plate with ultra-fine grain structure and method for producing same
09/06/2006CN1273632C Super formable high strength steel sheet and method of manufacturing thereof
09/05/2006US7101445 Tensile strength; press forming, heat treatment
08/2006
08/31/2006US20060193743 Austenitic stainless steel for hydrogen gas and method for its manufacture
08/31/2006US20060191613 Warm rolling method
08/31/2006US20060191612 steel sheet has a formulation containing, by % by mass, 0.010 to 0.050% of C, 1.0% or less of Si, 1.0 to 3.0% of Mn, 0.005 to 0.1% of P, 0.01% or less of S, 0.005 to 0.5% of Al, 0.01% or less of N, and 0.01 to 0.3% of Nb, remaining Fe; ferrite martensite phases; automobile sheet; high tensile strength
08/30/2006EP1501951B1 Method of continuous casting non-oriented electrical steel strip
08/24/2006WO2006088019A1 Hot rolled wire material excellent in cold forging property after spheroidizing treatment, spheroidizing-annealed steel wire having excellent cold forging property, and method for production thereof
08/24/2006WO2006086853A1 Linepipe steel
08/23/2006EP1693476A1 Steel product for structural member of automobile and method for production thereof
08/23/2006EP1554411A4 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
08/23/2006CN1270942C Steel strapping
08/22/2006US7094295 Precipitation heating ferritic stainless steel comprising carbon, nitrogen, silicon, chromium, niobiu, and iron; finishing, annealing
08/22/2006US7094294 having a curved or pig-tailed tip end be used for guiding a catheter; comprising a core wire and a coil attached on periphery of the core wire and are heat-treated to shape a desired curved form using each separate die
08/17/2006WO2006084321A1 A method and apparatus for forming metal reinforcing
08/17/2006US20060179909 Method of making a metallic thin wire for a medical tool
08/17/2006US20060179638 Method for producing a steel product
08/17/2006CA2597021A1 A method and apparatus for forming metal reinforcing
08/16/2006EP1690955A1 Stainless steel wire, spring, and method for producing spring
08/16/2006EP1690631A2 Method of manufacturing a blind threaded insert
08/16/2006EP1644540A4 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels
08/16/2006EP1563106A4 Cold-worked steels with packet-lath martensite/austenite microstructure
08/16/2006EP1114879B1 High carbon steel wire rod excellent in drawability and fatigue resistance after wire drawing
08/16/2006CN1820086A Method and installation for the production of hot-rolled strip having a dual-phase structure
08/16/2006CN1820084A Method and installation for the production of steel products having an optimum surface quality
08/16/2006CN1818095A Method and mould for producing face-centered cubic metal plate with fine grain
08/16/2006CN1817494A Production of tin-coating control line
08/16/2006CN1269977C Method for guaranteeing temperature of finishing to gage of non orientating silicon steel
08/15/2006US7090731 Base phase structure, the base phase structure being tempered martensite or tempered bainite and accounting for 50% or more in terms of a space factor relative to the whole structure, or the base phase structure comprising tempered martensite or
08/15/2006CA2241127C Method of manufacturing thick steel product of high strength and high toughness having excellent weldability and minimal variation of structure and physical properties
08/10/2006WO2006082104A1 Austenitic steel having high strength and formability, method of producing said steel and use thereof
08/10/2006WO2006059784A9 Steel and steel wire for high strength spring
08/10/2006US20060174983 Process for producing steel components with highest stability and plasticity
08/09/2006EP1688510A1 Thin steel sheet excelling in surface property, moldability and workability and process for producing the same
08/09/2006EP1688507A1 Clutch driven plates
08/09/2006EP1688191A2 Drawing of steel wire
08/09/2006EP1386977B1 Ferritic stainless steel strip excellent in freeze of shape formed by working
08/09/2006EP1304393B1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block
08/09/2006EP0706845B2 Method of production of thin strip slab
08/09/2006CN1268778C Shell cover material for solenoid valve and preparing method thereof
08/03/2006US20060171840 Iron- nickel alloy with low coefficient of thermal expansion for making shade masks
08/03/2006US20060169375 Controlled content of elements C, Si, Mn and Cr; reduced bubble/void content ratio in scales formed on a surface, along with high precision for defect detection (ultrasonic testing) in a non-destructive inspection; weather resistance
08/03/2006US20060169373 Method and plant for continuous direct casting of a metal strip
08/03/2006US20060169365 High strength cold rolled steel sheet and method for production thereof
08/03/2006US20060169362 Grain-oriented electrical steel sheet excellent in magnetic characteristic and its manufacturing method
08/02/2006EP0822266B2 Steel sheet for two-piece battery can excellent in moldability, secondary work embrittlement resistance, and corrosion resistance
08/02/2006CN1813074A Improved method for production of non-oriented electrical steel strip.
08/02/2006CN1811000A High strength spring steel having excellent hydrogen embrittlement resistance
08/02/2006CN1267941C Non-oriented electric thin steel sheet with ultrahigh magnetic-flux density and productive method thereof,iron core and magnetic screen equipment using this
08/01/2006US7083688 Formed via induction hardening, tempering; superior rotating fatigue properties and anti-surface fatigue strength
08/01/2006CA2133168C Non-oriented silicon steel sheet and method
07/2006
07/27/2006US20060162824 Method for producing high strength, high ductility steel strip
07/27/2006DE102005033042B3 Preheating of e.g. sheet for hot-pressing in automobile industry, employs heat released by cooling- and deformation processes, to preheat workpieces before forming
07/27/2006DE102005003551A1 Steel sheet forming and hardening, comprises austenitic heating above the Ac3 point, followed by forming and cooling
07/27/2006DE102005001829A1 Method for hot deforming a plate to form a component e.g. a chassis part comprises forming a pre-molded part in an oven during heat treatment with reduced bending strength of the plate
07/26/2006EP1683884A1 Martensitic stainless steel pipe and method for production thereof
07/26/2006EP1682686A1 Dual phase steel strip suitable for galvanizing
07/26/2006EP1491647B1 Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring
07/26/2006CN1809648A Steel product excellent in characteristics of resistance to fatigue crack extension and method for production thereof
07/26/2006CN1807672A Middle content chromium copper, iron-containing antiseptic anticreas rustless steel sheet belt and its production method
07/26/2006CN1807670A Tensile strength 540Mpa grade dual phase steel plate and its production method
07/26/2006CN1807669A Tensile strength 600Mpa grade dual phase steel plate and its production method
07/26/2006CN1807660A GH696 alloy vane ausform forming process
07/26/2006CN1806954A On line oil bath thermal treating twin roll casting rolling method and apparatus
07/25/2006US7081174 Process for producing steel products having improved grain size properties and machinability
07/20/2006US20060157166 Method for making hardenable steel plates by firing, resulting steel plates
07/20/2006DE102005028010B3 Shaping and hardening heated steel workpiece, e.g. sheet, using press with lower mold tool located in liquid bath, minimizing or eliminating holding time for hardening workpiece in closed mold
07/19/2006EP1681364A1 Expansible seamless steel pipe for use in oil well and method for production thereof
07/19/2006EP1681363A1 High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized thin steel sheet and process for producing the same
07/19/2006CN1806062A Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof
07/19/2006CN1806061A Steel parts for machine structure, material therefor, and method for manufacture thereof
07/19/2006CN1804093A Thick steel plate capable of being welded under large heat input and method for manufacturing the same
07/19/2006CN1804092A Tungsten-containing wear-resistant austenitic manganese steel
07/19/2006CN1804056A Method for preventing coarse grain of deformed high temperature alloy
07/19/2006CN1803389A Method for manufacturing non-oriented electromagnetic steel sheet, and raw material hot rolling steel sheet
07/19/2006CN1264999C Method for producing low-carbon steel or low-alloy steel plate having submicron crystal grain
07/18/2006US7077919 Comprises ferric oxide source, injecting steam through ferric oxide source to infuse with cations, injecting steam into heated chamber housing laminated magnetic core, then oxidizing; dielectrics
07/18/2006US7076983 Apparatus and method for hot rolling
07/18/2006CA2395901C High strength hot rolled steel sheet and method for manufacturing the same
07/13/2006US20060154101 C: more than 0.65-1.1%; Si: 0.15-1.5%; Mn: 0.2-1.5%; 2 or more of Cr, Mo, V, Ti, Nb and B and balance Fe; tensile strength of 1800 MPa or more; sectional area forming a fan shapes which are combined to form a circular hollow crosssection for accommodating optical fibers; pebbled surface of relief shapes
07/13/2006US20060151142 Method of continuous casting non-oriented electrical steel strip
07/12/2006EP1679386A1 High-strength magnetic steel sheet and worked part therefrom, and process for producing them
07/12/2006EP1678335A1 Low carbon alloy steel tube having ultra high strength and excellent toughnes at low temperature and method of manufacturing the same
07/12/2006EP1276915B1 Rolling bearing component