Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
11/2005
11/02/2005CN1225614C Stainless steel oil feeding pipe
11/02/2005CN1225567C Steel wire excellent in descalability in mechanical descaling and method for production thereof
11/02/2005CN1225561C Production method of low yield strength ratio refractory hot continuously-rolled strip for building
11/01/2005US6959479 Method of manufacturing a hollow shaft having a flange at one end thereof
10/2005
10/27/2005WO2005100627A1 Nonoriented electromagnetic steel sheet excellent in blankability and magnetic characteristics after strain removal annealing, and method for production thereof
10/27/2005WO2005100625A1 Steel product for cargo oil tank
10/27/2005WO2005100618A2 Forged or stamped average or small size mechanical part
10/27/2005WO2005100617A1 Plant for annealing metal straps
10/27/2005US20050236078 excellent in workability, aging properties; resistance to bubbles and black spots, without the employment of decarbonization and denitrification annealing that raises the cost of production; control the shape of boron nitrides by adjusting hot-rolling conditions
10/27/2005US20050236077 Method of thermo-mechanical-treatment for fe-mn-si shape-memory alloy doped with nbc
10/26/2005EP1589126A1 High-strenght cold rolled steel sheet having excellent formability and plated steel sheet
10/26/2005EP1587966A1 High-strength hot-dip galvanized steel sheet and method for producing the same
10/26/2005EP1587963A2 Ultrahigh strength hot-rolled steel and method of producing bands
10/26/2005EP1279445B1 Hot rolling mill and hot rolling method
10/26/2005CN1688726A High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method
10/26/2005CN1688725A High-resistant, low-density hot laminated sheet steel and method for the production thereof
10/26/2005CN1688724A Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
10/26/2005CN1688722A Process for producing steel product and production facility therefor
10/25/2005US6958099 High toughness steel material and method of producing steel pipes using same
10/20/2005WO2005098069A1 Steel plate excellent in fatigue crack propagation characteristics and method for production thereof
10/20/2005WO2005098068A1 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding
10/20/2005WO2005098067A1 Ferritic stainless steel sheet excellent in formability and method for production thereof
10/20/2005US20050230012 Steel for crude oil tank, method for producing the same, crude oil tank and corrosion prevention method therefor
10/19/2005EP1586671A1 Chromium steel with good cold workability
10/19/2005EP1412548B1 Multi-phase steel sheet excellent in hole expandability and method of producing the same
10/19/2005EP1231289B1 Steel pipe having high formability and method for producing the same
10/19/2005CN1685072A Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing
10/19/2005CN1683582A High strength packaging steel strip and its producing process
10/19/2005CN1683094A Method for processing lump non-crystal alloy blank and its device used thereof
10/19/2005CN1223695C High strength cold rolled steel plate and its producing method
10/19/2005CN1223687C Submicron crystalline grain steel plate with nano separation and its manufacturing method
10/18/2005CA2295881C Method for producing ultra-high strength, weldable steels with superior toughness
10/18/2005CA2139063C Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same
10/13/2005WO2005095663A1 High-rigidity high-strength thin steel sheet and method for producing same
10/13/2005US20050224142 Hot rolling an inhibitor-free steel slab containing by 0.08% or less C, 1.0 to 8.0% Si, and 0.005 to 3.0% Mn, and Al and N each decreased to 0.020% or less and 50 ppm or less, respectively; annealing; cold rolling; recrystallization annealing; and low temperature final annealing; undercoating-free
10/13/2005CA2546003A1 High-rigidity high-strength thin steel sheet and method for producing same
10/12/2005EP1442147B1 Steel sheet for vitreous enameling excellent in workability and fish scale resistance, and method for producing the same
10/12/2005CN1680613A Hot-rolling and low-carbon bainite composite phase material and preparation thereof
10/12/2005CN1680050A Cold-rolling nicking reinforcing bar with rib high-strength and low relaxation, production and production line thereof
10/12/2005CN1222701C Method for mfg of roller of roller bearing
10/06/2005US20050217769 Cold-formable chrome steel
10/06/2005US20050217768 Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof
10/06/2005US20050217762 An Iron Silicon composite sintered powder; and a colloidal silica solution; a diffusion annealing process; outstanding high frequency magnetic properties, commercial frequency properties
10/06/2005US20050217761 Method for producing grain-oriented silicon steel plate with mirror surface
10/05/2005EP1581664A1 Iron-nickel alloy with low coefficient of thermal expansion for making shade masks
10/05/2005EP1440173B1 Hot-rolled steel strip provided for producing non grain-oriented electrical sheet, and method for the production thereof
10/05/2005CN1678762A Non-grain oriented electrical steel strip or electrical steel sheet and method for producing the same
10/05/2005CN1676655A Cold-formable chrome steel
10/05/2005CN1221680C Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof
10/05/2005CN1221673C Process for improvement of magnetic characteristics in grain oriented electrical silicon steel sheet by laser treatment
09/2005
09/29/2005US20050211349 Method of manufacturing enhanced teeth of dipper bucket of shovel
09/29/2005US20050211348 Heat-resistant ferritic stainless steel and method for production thereof
09/29/2005DE102004011021A1 Verfahren zur Herstellung eines Formteils aus übereutekoidem Stahl A process for producing a molded part from steel übereutekoidem
09/28/2005EP1580289A1 Non-oriented magnetic steel sheet and method for production thereof
09/28/2005EP1580287A1 Steel excellent in machinability and method for production thereof
09/28/2005EP1579020A1 A steel composition for the production of cold rolled multiphase steel products
09/28/2005EP1578547A2 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load
09/28/2005EP1238118B1 Martensitic stainless steel and steelmaking process
09/28/2005EP0972090B1 Steel and process for the manufacture of a part for ball bearing
09/28/2005CN1220842C Austenitic system stainless steel pipe with excellent resistance to aqueous vapour oxidation and its making method
09/27/2005US6949149 High strength, high carbon steel wire
09/27/2005US6949148 Ferromagnetic and nonmagnetic zones; biaxial tension; stress induced martensite transformation; corrosion resistance, noncracking
09/22/2005WO2005087966A1 Steel plate excellent in machinability, toughness and weldability, and method for production thereof
09/22/2005WO2005087965A1 Zinc hot dip galvanized composite high strength steel plate excellent in formability and bore-expanding characteristics and method for production thereof
09/22/2005WO2005087964A1 Corrosion-resistant steel excellent in toughness of base metal and weld and process for producing the same
09/21/2005EP1577414A2 Heat-resistant austenitic stainless steel and a production process thereof
09/21/2005EP1577410A1 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing
09/21/2005EP1577407A1 Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same
09/21/2005EP1577405A1 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet
09/21/2005EP1577404A1 Process for manufacturing a tubular profile resistant to bending and flexible in torsion
09/21/2005EP1228253B8 Steel composition, method for making same and parts produced from said compositions, particularly valves
09/21/2005CN1671874A Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring
09/21/2005CN1670227A Method for controlling deformability of casting and rolling solidified entity
09/21/2005CN1219902C Shadow mask strip material with good form after it is etched
09/20/2005US6946041 Comprises hot/cold rolling steel sheet, pickling, then annealing
09/20/2005US6946038 Controlling crystal structure; precipitates of titanium nitride and manganese sulfide
09/15/2005WO2005085481A1 A method for producing high-carbon steel rails excellent in wear resistance and ductility
09/15/2005WO2005085480A1 Method for producing a structural part from hypereutectoid steel
09/15/2005US20050199322 High carbon hot-rolled steel sheet and method for manufacturing the same
09/15/2005US20050199320 High strength steel product with improved formability and steel manufacturing process
09/15/2005US20050199319 High strength steel product with improved formability and steel manufacturing process
09/15/2005DE10311215B4 Verfahren zum Herstellen von kornorientiertem, kaltgewalztem Elektroblech oder -band A method of producing grain oriented, cold-rolled magnetic steel sheet or band
09/15/2005CA2558850A1 A method for producing high-carbon steel rails excellent in wear resistance and ductility
09/14/2005EP1574588A1 High strength steel product with improved formability and steel manufacturing process
09/14/2005EP1574587A1 METHOD OF THERMO-MECHANICAL-TREATMENT FOR Fe-Mn-Si SHAPE-MEMORY ALLOY DOPED WITH NbC
09/14/2005EP1573080A2 Method for making structural elements by machining thick plates
09/14/2005EP1573075A1 Method for producing a steel product
09/14/2005EP1572387A1 Method and production line for rationally producing u-shaped heat exchange tubes
09/14/2005CN1668768A Martensitic stainless steel seamless pipe and a manufacturing method thereof
09/14/2005CN1667151A High carbon hot-rolled steel sheet and method for manufacturing the same
09/14/2005CN1667129A Method for producing sulfur free cutting and non-hardened and tempered steel
09/14/2005CN1219101C Low carbon 520MPa grade composite fortified ultra fine crystal grain band steel
09/13/2005US6942740 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics
09/13/2005US6941828 Process as well as device for measuring a component amount released during a thermo-chemical treatment of metallic work piece from the gaseous atmosphere
09/10/2005CA2460399A1 High strength steel product with improved formability and steel manufacturing process
09/08/2005US20050194073 high-temperature strength and sag-resistance capable of resisting working temperatures of not less than 550 degrees C; low in cost; for heat-resistant members used in exhaust systems of an automobile engine and an aeroengine
09/08/2005DE102004007071A1 Verfahren zur Herstellung eines Bauteils durch Umformen einer Platine und Vorrichtung zur Durchführung des Verfahrens A method for producing a component by shaping a blank and a device for carrying out the method
09/07/2005EP1571230A1 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
09/07/2005EP1571229A1 High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
09/07/2005EP1571227A1 Cr-CONTAINING HEAT-RESISTANT STEEL SHEET EXCELLENT IN WORKABILITY AND METHOD FOR PRODUCTION THEREOF
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