Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
07/2005
07/07/2005US20050145308 Transition metals alloy of steel, substantially free of ferrite, sulfur, carbides, nitrides; subected to mechanical, thermal and corrosive stresses for application in oilfield technology
07/06/2005CN1636073A 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
07/06/2005CN1635935A Device for processing a metal slab, plate or strip, and product produced using this device
06/2005
06/30/2005US20050139293 Cracking resistance; tensile strength; good ductility
06/29/2005EP1548142A1 High-strength cold-rolled steel sheet excellent in coating film adhesion
06/29/2005EP1546417A1 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method
06/29/2005EP0940476B1 Process for producing steel pipe having high ductility and strength
06/29/2005CN1633514A Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
06/29/2005CN1633509A Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method
06/29/2005CN1631578A Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material
06/29/2005CN1208490C Steel plaster excellent in shape freezing property and method for production thereof
06/28/2005US6911098 </=.01% carbon, </=1% silicon, </=1.5% manganese, 11-23% chromium, </=.06% phosphorus, </=.03% sulfur, </=1% aluminum, </=.04% nitrogen, .0005-.01 boron, </=.3% vanadium, </=.8% niobium and </=1% titanium and balance iron
06/28/2005CA2313975C Paramagnetic, corrosion-resistant austenitic steel and process for producing it
06/28/2005CA2249547C Inorganic/organic insulating coating for non-oriented electrical steel
06/23/2005WO2005056856A1 Steel product for structural member of automobile and method for production thereof
06/23/2005WO2005056841A1 Steel sheet for containers, and manufacturing method therefor
06/23/2005US20050132867 Steel wire and manufacturing method therefor
06/22/2005EP1461466A4 Nano-compsite martensitic steels
06/22/2005CN1630733A Steel sheet for container excellent in formability and properties at weld, and method for producing the same
06/22/2005CN1630732A Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel
06/22/2005CN1630564A Cooling device, manufacturing method, and manufacturing line for hot rolled steel band
06/22/2005CN1629325A Process for making high-performance ultra-fine needle form ferrite type gas delivery pipe steel
06/22/2005CN1207407C Method for improving cold-forming property of hot rolled steel plate
06/22/2005CN1207406C Nanoparticle toughened low carbon steel producing method
06/22/2005CN1207113C Process and device for producing high-strength steel strip
06/21/2005CA2338413C Continuous production facilities for wire
06/16/2005WO2005054534A1 High strength cold rolled steel sheet and method for production thereof
06/16/2005WO2005054533A1 Steel product excellent in fatigue characteristics and method for production thereof
06/16/2005WO2005054523A1 Method for annealing grain oriented magnetic steel sheet and method for producing grain oriented magnetic steel sheet
06/16/2005US20050126661 Precipitation hardenable austenitic steel
06/16/2005US20050126659 2.5 to 4.5% Si, 0.01 to 0.4% Ti, 0.005% or less of C, N, S and O, balance Fe and unavoidable impurities; films of compounds of C with Ti or Ti with one or more Nb, Ta, V, Hf, Zr, Mo, Cr and W on the surfaces of steel to provide functionalities of scratch / groove forming or strain imposing
06/16/2005US20050126248 Apparatus and method for thermomechanically forming an aluminide part of a workpiece
06/16/2005DE10330161A1 Process for deforming a flat metal workpiece for folding metal sheets comprises locally heating in a region in which a material excess is produced during deformation of the workpiece
06/15/2005EP1541704A1 Process for producing aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor electrode and electrolytic capacitor
06/15/2005EP1541702A1 Corrosion-resistive martensitic stainless steel having no pin hole defect and manufacturing method thereof
06/15/2005EP1430161B1 High-strength duplex/triplex steel for lightweight construction and use thereof
06/15/2005EP1042090A4 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
06/15/2005CN1628183A High strength steel plate and method for production thereof
06/15/2005CN1626688A Method for enhancing capability of pipeline steel made from available acicular ferrite for hydrogen sulfide resistance
06/15/2005CN1626687A Method for producing SUS430 grinding article in high corrosion resistance
06/15/2005CN1626686A Method for producing ageing steel of martensite without cobalt in high tensile and high toughness
06/15/2005CN1626685A Technique for fabricating axes material in stainless steel
06/15/2005CN1206383C High-extensions teel plate with good drawing property and strain ageing hardness property and its manufacturing method
06/15/2005CN1206048C Rolling process of H-shaped niobium-containing steel
06/09/2005WO2005052206A1 High silicon steel and its manufacture process
06/09/2005WO2005052205A1 High tensile steel excellent in toughness of welded zone and offshore structure
06/09/2005US20050121119 Steel plate subjected to heat treatment and process for producing the same
06/09/2005US20050121118 Mechanical structural shaft component and method of manufacturing the same
06/08/2005EP1538233A1 Method and apparatus for producing hot-dip coated metal belt
06/08/2005EP1538232A1 Corrosion resistant austenitic steel.
06/08/2005EP1538227A1 Mechanical structural shaft component and method of manufacturing the same
06/08/2005EP1538225A2 Steel wire and manufacturing method therefor
06/08/2005EP1432835B1 Method for thermal treatment of rails
06/08/2005EP1427864B1 Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks
06/08/2005CN1625608A High-strength cold rolled steel sheet and process for producing the same
06/08/2005CN1625447A Method and installation for producing a hot rolled strip from austenitic rust-resistant steels
06/08/2005CN1624757A Steel wire and manufacturing method therefor
06/08/2005CN1624182A Corrosion-resistive martensitic stainless steel having no pin hole defect and manufacturing method thereof
06/08/2005CN1623724A Mechanical structural shaft component and method of manufacturing the same
06/07/2005US6902632 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
06/03/2005CA2488965A1 Corrosion-resistant austenitic steel alloy
06/02/2005US20050115649 Producing recrystallization region having fine, uniform austenite grain size; thin slab casts; toughness; allows ultrasonic testing of welds
06/02/2005US20050115647 Delayed fracture cracks and internal scabs free; oil wells
06/02/2005US20050115643 Cold rolling, annealing; deforming, rolling, casting
06/02/2005US20050115052 Method and apparatus for producing hot-dip coated metal belt
06/01/2005EP1534869A2 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
06/01/2005CN1204285C Stainless-steel band, method for inhibiting crack at edge of steel band and method for producing said steel band
06/01/2005CN1204276C Production method for cryogenic weldable ultrahigh-strength steel plates with good toughness
06/01/2005CN1203938C Production process of flexible shaft steel wire
06/01/2005CN1203937C Soft stainless steel
06/01/2005CN1203933C Warm machining method for making stainless steel pipe
06/01/2005CN1203931C Method for mfg. hot rolled steel plate possessing superfine crystal grains and hot rolled steel plate produced
05/2005
05/31/2005US6899773 Thermal mechanical treatment is used to refine the grains and precipitate a uniform dispersion of fine, coarsening resistant, MX-type particles; high strength and impact toughness with good corrosion resistance.
05/31/2005US6899771 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
05/26/2005WO2005047550A1 Dual phase steel strip suitable for galvanizing
05/26/2005US20050112377 suitable as the core material for particularly silent low-loss transformers; including an electrically insulating coating made of an amorphous carbon-hydrogen network
05/26/2005US20050109428 Transmission chain
05/25/2005EP1533392A1 Steel product for high heat input welding and method for production thereof
05/25/2005EP1532364A1 Method for working a workpiece for a fuel high-pressure accumulator and workpiece for using this method
05/24/2005US6896747 Rolling, annealing, pickling, drawing
05/24/2005US6896746 Hot-rolled steel wire rods and bars usable for machine structural use without annealing and method for producing the same
05/24/2005US6896034 For reducing production/delivery times; hot rolling/cooling times
05/19/2005WO2005045083A1 Thin steel sheet excelling in surface property, moldability and workability and process for producing the same
05/19/2005US20050106411 High strength steel plate and method for production thereof
05/19/2005CA2544695A1 Thin gauge steel sheet and method for producing the same
05/18/2005EP1230411B1 Use of a precipitation hardenable martensitic stainless steel
05/18/2005EP1156128B1 Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
05/18/2005CN1617942A Nano-composite martensitic steels
05/18/2005CN1202284C Method for covering electric steel strips with an annealing separtor
05/18/2005CN1202275C Ferritic stainless steel for ferromagnetic parts
05/17/2005US6893739 Preventing harmful exposure to time varying low frequency fields; yield strength, elongation; construction materials, electronics, appliances
05/17/2005US6893727 Metal gasket and a material for its manufacture and a method for their manufacture
05/17/2005US6893608 Steel for plastic molds and process for their heat treatment
05/17/2005US6893511 Production method for semirigid magnetic material and semirigid material and magnetic marker using it
05/17/2005US6893510 Direct continuous casting; forming uniformly distributed growth inhibitors necessary to control secondary recrystal-lization only after cold rolling
05/12/2005US20050098244 Metallic bellows, manufacturing method therefor, and accumulator therewith
05/12/2005US20050098235 regulation of grain growth inhibitors distribution starting from the high temperature heating of the slabs for hot-rolling, avoiding any unevenness due to temperature differences in the slab at the exit from the furnace and highly favouring the subsequent transformation process down to a strip
05/12/2005DE10160644B4 Nichtorientiertes Elektrostahlblech mit ultrahoher magnetischer Flußdichte und Herstellungsverfahren dafür Non-oriented electrical steel sheet with ultra-high magnetic flux density and manufacturing method thereof
05/12/2005DE10130308B4 Kornorientiertes Elektroblech mit einer elektrisch isolierenden Beschichtung A grain-oriented electrical steel sheet with an electrically insulating coating
05/11/2005EP1529993A1 Metallic bellows, manufacturing method therefor, and accumulator therewith