Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
10/2011
10/20/2011WO2011127830A1 Integrative treating process for punching steel
10/20/2011US20110254243 hardening of flexible trailing arms
10/20/2011US20110253271 High-strength steel plate and producing method therefor
10/20/2011US20110253267 High strength steel pipe of api x65 grade or higher and manufacturing method therefor
10/20/2011US20110253265 Quenched and tempered steel pipe with high fatigue life, and its manufacturing method
10/20/2011US20110253262 Corrosion-resistant austenitic steel alloy
10/19/2011EP2376240A1 Method for producing strips of metal, and production line for performing the method
10/19/2011EP1867742B1 Process for producing a high-strength steel plate and high-strength welded steel pipe excellent in ductile fracture performance
10/19/2011CN102224265A Method and apparatus for producing steel pipes having particular properties
10/19/2011CN102220547A Steel strips used for CT80-grade continuous oil pipe and preparation method thereof
10/19/2011CN102220466A Method for producing semi-processed cold-rolled non-oriented electrical steel
10/19/2011CN102220465A Heat treatment process of steel in low-alloy, high-strength and weather-proof structure
10/19/2011CN101665859B Laser shot-blasting process for stainless steel welded joint
10/19/2011CN101607265B Method for milling thin plate by four-high reversing cold mill
10/18/2011US8038809 High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
10/18/2011CA2632112C Galvanized steel sheet and method for producing the same
10/13/2011WO2011126073A1 Wire material for saw wire and method for producing same
10/13/2011WO2011125672A1 Directional electromagnetic steel plate and method for manufacturing same
10/13/2011WO2011125447A1 High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing
10/13/2011WO2011124851A2 Mechanical part made of steel having high properties and process for manufacturing same
10/13/2011WO2011081360A3 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
10/13/2011WO2011081331A9 Martensitic stainless steel produced by a twin roll strip casting process and method for manufacturing same
10/13/2011US20110250471 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
10/13/2011US20110247731 Method for producing strain induced austenite
10/13/2011DE102010014537A1 Manufacturing structural component e.g. shock absorbing support for a motor vehicle, comprises providing structure part having hollow profile in area wise manner from metal alloy, and forming component area by a hot gas forming
10/12/2011EP2374904A1 Steel wire material for spring and its producing method
10/12/2011EP1587963B1 Ultrahigh strength hot-rolled steel and method of producing bands
10/12/2011EP0952235B1 Method for producing high-strength steels having high impact energy absorption properties
10/12/2011CN102216482A High-carbon steel wire material with excellent processability
10/12/2011CN102216480A High-hardness constant-modulus alloy insensitive to magnetism, process for producing same, balance spring, mechanical driving device, and watch
10/12/2011CN102216474A Manganese steel strip having an increased phosphorus content and process for producing the same
10/12/2011CN102212762A Nuclear container steel with tensile strength of more than 690MPa level and production method
10/12/2011CN102212758A High-alloy stainless steel for impurity-containing dilute sulphuric acid medium and processing method thereof
10/12/2011CN102212757A Alloy steel for large wind-driven power generation device and manufacturing process of workpiece made of same
10/12/2011CN102212756A Chromium-molybdenum-vanadium hotwork tool-die steel and heat treatment process thereof
10/12/2011CN102212753A Novel heat and abrasion resistant alloy steel material for hot stamping die
10/12/2011CN102212750A Steel plate for ship structure and manufacture method thereof
10/12/2011CN102212747A Low-cost steel for automobile beam and manufacturing method thereof
10/12/2011CN102212746A Twin crystal induced plastic steel with strength-plasticity product of more than 65GPa percent and production method thereof
10/12/2011CN102212742A Hot-stamping automobile part with flexibly-distributed intensity and control method thereof
10/12/2011CN102212667A Production process of high-ductility cold-rolled ribbed steel bars
10/12/2011CN102212666A Production method of high-strength steel S550GD+Z for structure
10/12/2011CN101851700B Online water cooling method and equipment
10/11/2011US8034201 Induction hardening method and jig used in induction hardening process
10/11/2011US8034198 Austenitic stainless steel tube for boiler with excellent resistance to high temperature steam oxidation
10/11/2011CA2559843C Corrosion-resistant steel excellent in toughness of base metal and weld portion, and method of manufacturing the same
10/11/2011CA2469073C Method and device for controlled straightening and cooling of wide metal strip, especially steel strip or sheet, running out of a hot-rolled strip mill
10/06/2011WO2011122513A1 Ferritic stainless steel sheet superior in surface glossiness and corrosion resistance and method for producing same
10/06/2011WO2011122031A1 Hot-rolled steel sheet with high tensile strength and superior processability and method for producing same
10/06/2011WO2011122030A1 Hot-dip galvanized steel sheet with high tensile strength and superior processability and method for producing same
10/06/2011WO2011121887A1 Spring steel and method of manufacture for same
10/06/2011US20110240179 Method for Producing a Component Having Improved Elongation at Break Properties
10/06/2011US20110240176 High-strength cold-rolled steel sheet having excellent formability, high-strength galvanized steel sheet, and methods for manufacturing the same
10/05/2011EP2370608A2 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
10/05/2011EP2370604A1 Process for the production of grain-oriented magnetic sheet starting from thin slab
10/05/2011EP1607151B1 Method for processing metal body and apparatus for processing metal body
10/05/2011CN102209822A Reinforcing
10/05/2011CN102209798A Steel for machine structure use attaining excellent cutting-tool life and method for cutting same
10/05/2011CN102206787A Low-roll-force gas-transmission pipeline steel and production method thereof
10/05/2011CN102206739A Dual-refinement treatment process of hot mould steel structure
10/05/2011CN102206735A Production method of stainless steel motor shaft
10/05/2011CN101927274B Production technology of hyperfine steel wire
10/05/2011CN101664868B Method for manufacturing stainless steel ultrathin white steel coil
10/05/2011CN101649425B X120 pipeline steel with low crack sensitivity and high toughness and manufacturing method thereof
10/05/2011CN101586211B Producing method of hot-rolled steel sheet containing niobium steel
10/05/2011CN101565796B Sheet steel with tensile strength of 570Mpa for elbow pipe and production method thereof
10/05/2011CN101297050B Production method and production system of directional electromagnetic steel plate having excellent magnetic characteristics
09/2011
09/29/2011WO2011118841A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor
09/29/2011WO2011118597A1 High-strength steel plate with excellent warm workability
09/29/2011US20110236248 High-purity ferritic stainless steel with excellent corrosion resistance and workability and method of production of same
09/29/2011US20110232807 High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
09/29/2011DE102010012833A1 Längsträger Longitudinal beam
09/29/2011DE102010012825A1 Querträger Crossmember
09/28/2011EP0974677B1 A method for producing high strength steels having excellent formability and high impact energy absorption properties
09/28/2011CN102203310A High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail
09/28/2011CN102203304A Patenting of steel wire in tin, and the steel wire resulting therefrom
09/28/2011CN102203303A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102203302A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102203301A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102203300A Ultra-high strength stainless alloy strip, a method of making same, and a method of using same for making a golf club head
09/28/2011CN102199737A 600HB-grade wear resistant steel plate and its manufacturing method
09/28/2011CN102199734A High-strength 301L stainless steel used for bus, and manufacture method thereof
09/28/2011CN102199732A Boron containing steel plate for heat treatment and manufacturing method thereof
09/28/2011CN102199728A Complex-phase reinforced rare-earth ferritic stainless steel for construction and manufacturing process thereof
09/28/2011CN102199721A High-silicon non-oriented cold-rolled sheet, and manufacture method thereof
09/28/2011CN102199699A Method for producing a motor vehicle component, and a body component
09/28/2011CN102199697A Method for improving low-temperature impact toughness of high-strength steel hot rolled plate coil for engineering machines
09/28/2011CN102199696A Production method for preheating and insulating special alloy steel
09/28/2011CN102199695A Processing method for ferrite antibacterial stainless steel plate strip
09/28/2011CN102198465A Method and device for producing hardened moulded components
09/28/2011CN101899559B Manufacturing method of high strength bumper for automobile side-door
09/28/2011CN101864542B Steel for high-frequency resistance straight weld oil well pipe and production method thereof
09/28/2011CN101824564B Titanium alloy TC4 cold-rolled tube and production method thereof
09/28/2011CN101748258B Production method for improving magnetic properties of low temperature GO oriented silicon steel
09/28/2011CN101748257B Method for manufacturing oriented silicon steel
09/28/2011CN101748253B Preparation method of low-temperature GO-oriented silicon steel
09/28/2011CN101709407B Preparation method of ferrimanganic copper-nickel tube
09/28/2011CN101671796B Ferritic stainless steel sheet causing little orange peel due to working and production method therefor
09/28/2011CN101613829B Steel pipe for borehole operation of 150ksi steel grade high toughness oil and gas well and production method thereof
09/28/2011CN101608284B Manufacturing method of titanium microalloyed hot rolled strip
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