Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
05/2007
05/30/2007CN1970812A A high strength steel excellent in uniform elongation properties and method of manufacturing the same
05/30/2007CN1970811A High-strength cold-roll-forming structural steel and method for producing same
05/30/2007CN1970810A CSP production process for hot-galvanizing-baking hardened steel sheet
05/30/2007CN1970809A Process for producing deep-drawing Low-carbon aluminium-killed steel based on CSP technology
05/30/2007CN1318631C Method for producing high strength high toughness X80 pipeline steel and its hot-rolled plate
05/30/2007CN1318630C High strength packaging steel strip and its producing process
05/30/2007CN1318627C Non-oriented electromagnetic steel sheet
05/24/2007WO2007058364A1 Steel for warm working, method of warm working of the steel, and steel material and steel part obtained by the same
05/24/2007WO2006066551A8 Method for producing hot strips consisting of lightweight steel
05/24/2007US20070116975 Seamless expandable oil country tubular goods and manufacturing method thereof
05/23/2007EP1786937A1 Killed, unalloyed or microalloyed rolled steel of the bake hardening type and method for producing the same
05/23/2007EP1786936A2 Method for press quenching components consisting of sheet steel
05/23/2007EP1178126B1 Bar or wire product for use in cold forging and method for producing the same
05/23/2007CN1966737A Simultaneous conduction of continuous casting, hot-rolling, and heat-treatment for production of steel
05/23/2007CN1966736A Process for preparing nano-crystalline aluminium materials
05/23/2007CN1966735A Process for preparing nano-crystalline stainless steel materials
05/23/2007CN1966734A Process for preparing nano-crystalline copper materials
05/23/2007CN1317415C Steel and steel pipe for high-temp. use
05/23/2007CN1317402C Low iron loss and low noise grain oriented electrical engineering steel plate and prodn. method thereof
05/22/2007US7220325 Precipitation; high strength; high speed cooling; controlling particle sizes; pipes, pressure vessels
05/18/2007WO2007055387A1 HIGH-STRENGTH STEEL SHEET OF 450 MPa OR HIGHER YIELD STRESS AND 570 MPa OR HIGHER TENSILE STRENGTH HAVING LOW ACOUSTIC ANISOTROPY AND HIGH WELDABILITY AND PROCESS FOR PRODUCING THE SAME
05/17/2007US20070108169 Rotor using electrical steel sheet with low iron loss, rotor manufacturing method, laser peening method, and laser peening apparatus
05/17/2007US20070107819 High-strength motor-vehicle frame part with targeted crash
05/16/2007CN1316051C High carbon hot-rolled steel sheet and method for manufacturing the same
05/16/2007CN1315589C Device for processing a metal slab, plate or strip, and product produced using this device
05/15/2007US7217329 Carbon-titanium steel rail
05/15/2007CA2453964C Steel material having high toughness and method of producing steel pipes using the same
05/10/2007WO2007052406A1 Production method and production system of directional electromagnetic steel plate having excellent magnetic characteristics
05/10/2007US20070101789 Carbon, silicon, manganese, phosphorus, sulfur, chromium, aluminum, titanium, nitrogen, boron and oxygen; automobile parts; improving acceleration response owing to the enhancement of torsion stiffness, controlling indoor noise
05/09/2007EP1783234A2 Method for manufacturing products by plastic deformation at high temperatures
05/09/2007CN1961091A Steel and steel wire for high strength spring
05/09/2007CN1958829A Refractory steel of anti intercrystalline corrosion, and preparation method
05/09/2007CN1958826A Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method
05/09/2007CN1958813A Method for manufacturing ordinary oriented silicon steel
05/09/2007CN1958812A Method for producing oriented silicon steel
05/08/2007US7214277 Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density
05/03/2007WO2007049915A1 Corrosion resistance improved steel sheet for autmotive muffler and method of producing the steel sheet
05/03/2007WO2007048497A1 Method for producing hot strip with a multiphase structure
05/03/2007US20070095444 High strength steel sheet excellent in formability and method for producing the same
05/03/2007CA2625564A1 Method for producing hot strip with a multiphase structure
05/02/2007EP1780293A2 Procedure for manufacturing of steel starting material by warm deforming
05/02/2007CN1957101A Steel with high mechanical strength and wear resistance
05/02/2007CN1957100A Steel plate excellent in resistance to fatigue crack expansibility and manufacturing method thereof
05/02/2007CN1955327A Martensitic stainless steel with excellent machinability
05/02/2007CN1955323A Method for raising metal and alloy strength
05/01/2007CA2278841C High strength steels having excellent formability and high impact energy absorption properties, and a method for producing the same
04/2007
04/26/2007US20070089814 High-strength hot-rolled steet excellent in shape fixability and method of producing the same
04/26/2007US20070089809 Fe-Ni based permalloy and method of producing the same and cast slab
04/26/2007DE102005051052A1 Verfahren zur Herstellung von Warmband mit Mehrphasengefüge A process for producing hot strip with multi-phase microstructure
04/25/2007EP1777315A1 Steel for welded structure excellent in low temperature toughness of heat affected zone of welded part, and method for production thereof
04/25/2007EP1777314A1 RAW PIPE OF Fe-Ni ALLOY AND METHOD FOR PRODUCTION THEREOF
04/25/2007CN1954088A Excellent cold-workability exhibiting high-strength steel wire or steel bar, or high-strength shaped article and process for producing them
04/25/2007CN1952199A Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same
04/25/2007CN1952198A Trace niobium -containing steel for cooling-control reinforced bar and method for producing same
04/25/2007CN1952197A Wide and thick superfine-grain hot-rolled plate and method for producing same
04/25/2007CN1312311C Deformed wire for reinforcing marine optical fiber cable
04/25/2007CN1312309C Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring
04/25/2007CN1311926C Method for rationally producing U-shaped heat exchange tubes
04/24/2007US7207111 Method of manufacturing an endodontic instrument
04/24/2007CA2371333C Steel for plastic molds and process for the heat treatment thereof
04/24/2007CA2277841C Multilayer composite tubular structure and method of making
04/19/2007US20070084529 High strength and high ductility steel sheet having ultrafine crystalline grain structure obtained by low strain processing and annealing of ordinary low carbon steel, and a method for producing thereof
04/18/2007EP1472383B1 Precipitation hardenable austenitic steel
04/18/2007CN1950532A Seamless steel pipe and method for production thereof
04/18/2007CN1948517A Manufacturing method of cold rolling electric steel special for compressor
04/18/2007CN1310714C Production method of warm- or hot-formed product
04/12/2007WO2007040317A1 The precipitation hardening cold rolled steel sheet having excellent yield ratios, and the method for manufacturing the same
04/12/2007US20070082223 Stainless steel wire, spring and method of manufacturing the spring
04/12/2007US20070079910 Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same
04/12/2007DE102005046459A1 Verfahren zur Herstellung von kaltgefertigten Präzisionsstahlrohren Process for the preparation of cold formed precision steel tubes
04/11/2007EP1420896B1 Method for processing a continuously cast metal slab or strip
04/11/2007CN1946866A Steel sheet for can and method for production thereof
04/11/2007CN1946864A Steel product for cargo oil tank
04/11/2007CN1946863A Steel plate excellent in fatigue crack propagation characteristics and method for production thereof
04/10/2007US7202593 Steel sheet for inner magnetic shield and method of producing the same, inner magnetic shield, and color cathode ray tube
04/10/2007US7201812 Method for manufacturing seamless steel tube
04/10/2007CA2246591C Process of manufacturing strips of sheet steel for fabricating metal packaging by stamping and the sheet steel so produced
04/05/2007WO2007036215A1 High-tensile strength bolt or screw and method for producing a screw or bolt of this type
04/05/2007US20070074794 Method for cooling hot roller steel strip, and method for manufacturing hot rolled steel strip
04/05/2007US20070074792 Method for producing helical springs or stabilizers
04/05/2007DE10014078C5 Verfahren zur Herstellung eines Schweißbolzens A process for producing a welding stud
04/04/2007EP1770184A1 High-strength martensite heat resisting cast steel and method of producing the steel
04/04/2007EP1770183A1 Weldable steel of high strenght and high toughness, and method of producing members using the same
04/04/2007CN1942597A Nonoriented electromagnetic steel sheet excellent in blankability and magnetic characteristics after strain removal annealing, and method for production thereof
04/04/2007CN1942596A Austenitic stainless steel, method for producing same and structure using same
04/04/2007CN1940115A Weldable steel of high strenght and high toughness, and method of producing members using the same
04/04/2007CN1940114A High-hardenability die steel
04/04/2007CN1940110A Excellent weldability 490mpa low yield ratio cold shaping steel pipe and its mfg. method
04/04/2007CN1940109A Steel for battery shell with excellent planar isotropism and its production
04/04/2007CN1940094A Method for refining normal carbon-structural crystal grain
04/04/2007CN1308465C Method for processing billets out of metals and alloys and article
04/04/2007CN1308096C Method for processing lump non-crystal alloy blank and its device used thereof
04/03/2007US7198684 reduces costs by achieving a better flow of the workpieces through the manufacturing operation
04/03/2007US7198682 Process for the production of grain oriented electrical steel
03/2007
03/29/2007WO2007035060A1 Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet
03/29/2007WO2007035059A1 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal- vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet
03/29/2007WO2007034576A1 Steel product usable at low temperature and method for production thereof
03/29/2007WO2007033711A1 Method for treating a steel strip
03/29/2007US20070071997 surface treatment; improved formability; for automobiles, motorcycles
03/29/2007US20070068607 Method for heat treating thick-walled forgings