| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/16/2008 | US7465521 Nickel-based alloys as positive electrode support materials in electrochemical cells containing nonaqueous electrolytes |
| 12/16/2008 | US7465365 Introducing nano-sized material into molten material; dispersing nano-sized material within molten material by agitating using ultrasonic energy; introducing at least one active element to enhance wetting; nanocomposite articles; cost effective |
| 12/16/2008 | US7465364 Fe-Cr-Si based non-oriented electromagnetic steel sheet and process for producing the same |
| 12/16/2008 | US7465363 Hard magnetic composition, permanent magnet powder, method for permanent magnet powder, and bonded magnet |
| 12/16/2008 | US7465361 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 12/11/2008 | WO2008150056A1 High carbon steel sheet superior in fatiugue lifeand manufacturing method thereof |
| 12/11/2008 | WO2008149703A1 Ferrite heat resistant steel |
| 12/11/2008 | US20080304996 High Nb, Ta, and Al Creep- and Oxidation-Resistant Austenitic Stainless Steels |
| 12/11/2008 | US20080302501 Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same |
| 12/11/2008 | US20080302453 Shaped Steel Excellent in Fire Resistance and Producing Method Therefor |
| 12/11/2008 | US20080302450 Object Comprising a Steel Part of Metal Construction Consisting of an Area Welded by a High Power Density Beam and Exhibiting an Excellent Toughness in a Molten Area, Method for Producing Said Object |
| 12/10/2008 | EP2000555A1 Expandable oil well pipe to be expanded in well and process for production of the pipe |
| 12/10/2008 | EP2000554A1 High-strength steel sheet having excellent workability |
| 12/10/2008 | EP2000553A1 Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod |
| 12/10/2008 | EP2000552A2 Hot-rolled ultrasoft high-carbon steel plate and process for production thereof |
| 12/10/2008 | EP2000548A2 Arc start material for electroslag redissolution of super alloy and arc stating method employing that arc start material |
| 12/10/2008 | EP1899490B1 Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties |
| 12/10/2008 | CN101321896A A tube and use of said tube |
| 12/10/2008 | CN101321886A Martensitic stainless steel with excellent non-rusting property for disk brake |
| 12/10/2008 | CN101321885A Heat-treatment steel for high-strength spring |
| 12/10/2008 | CN101321884A Heat-treatment steel for high-strength spring |
| 12/10/2008 | CN101321883A Non-directional electromagnetic steel plate and manufacturing method thereof |
| 12/10/2008 | CN101320611A Soft magnetic phase intensified biphase composite heat distortion magnet and preparation method thereof |
| 12/10/2008 | CN101319295A High-strength hot rolled steel plate and manufacturing method thereof |
| 12/10/2008 | CN101319294A Steel for fine grain carburizing gear and method of manufacturing the same |
| 12/10/2008 | CN101319293A Sea water resistant steel and manufacture process thereof |
| 12/10/2008 | CN101319292A High ductility N80 oil casing tube and manufacturing method |
| 12/10/2008 | CN101319270A Thermal treatment method for improving mechanical performances of normalized steel plate |
| 12/10/2008 | CN100442401C Method for preparing sintered product, sintered product and magnetostriction material |
| 12/10/2008 | CN100441726C Guide board for seamless steel pipe punching machine |
| 12/10/2008 | CN100441725C High-strength high-ducility bainite non-quenched and tempered steel plate with small acoustic anisotropism |
| 12/10/2008 | CN100441724C Process for production of hot-rolled dual phase steel by continuous casting and continuous rolling of slab billet |
| 12/10/2008 | CN100441723C Steel having superior impact absorbency and toughness of parent material |
| 12/10/2008 | CN100441722C Process for producing deep-drawing Low-carbon aluminium-killed steel based on CSP technology |
| 12/10/2008 | CN100441721C Ferritic cr-containing steel |
| 12/10/2008 | CN100441720C Process for producing anti-corrosion carbon constructional steel |
| 12/10/2008 | CN100441719C Abrasion resistance sintered body and method for producing same |
| 12/10/2008 | CN100441702C Heat processing method for obtaining fine grain ferrite in medium carbon steel |
| 12/10/2008 | CN100441331C Electrical steel producing process |
| 12/09/2008 | US7462251 Method for making an abrasion-resistant steel plate |
| 12/09/2008 | US7462250 High strength, high toughness, high carbon steel wire rod and method of production of same |
| 12/09/2008 | CA2281314C Super fine granular steel pipe and method for producing the same |
| 12/04/2008 | WO2008146929A1 Abrasion-resistant steel sheet having excellent processability, and method for production thereof |
| 12/04/2008 | WO2008146791A1 Uoe steel pipe and method for production thereof |
| 12/04/2008 | WO2008146533A1 Steel for high-cleanliness springs excellent in fatigue characteristics and high-cleanliness springs |
| 12/04/2008 | WO2008145872A1 Low density steel with good stamping capability |
| 12/04/2008 | US20080296354 Stainless steel or stainless steel alloy for diffusion bonding |
| 12/04/2008 | US20080295924 Steel Sheet Excellent in Workability and Method for Producing the Same |
| 12/04/2008 | US20080295923 Carbon Steel Sheet Superior in Formability and Manufacturing Method Thereof |
| 12/04/2008 | US20080295920 High Tension Steel Plate with Small Acoustic Anisotropy and with Excellent Weldability and Method of Production of Same |
| 12/04/2008 | CA2688062A1 Uoe steel pipe and a method for its manufacture |
| 12/04/2008 | CA2686940A1 Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced |
| 12/03/2008 | EP1997921A2 Gasket |
| 12/03/2008 | EP1997918A1 Steel pipe excellent in steam resistance oxidation characteristics and method for manufacturing the same |
| 12/03/2008 | EP1292393B1 Refining element for a refining disc |
| 12/03/2008 | CN101317238A Method for producing rare earth permanent magnet material |
| 12/03/2008 | CN101316943A Steel for hot tooling, and part produced from said steel, method for the production thereof, and uses of the same |
| 12/03/2008 | CN101316942A Steel sheet for hot press forming having excellent heat treatment and impact property, hot press parts made of it and the method for manufacturing thereof |
| 12/03/2008 | CN101316674A Process for producing rare-earth permanent magnet material |
| 12/03/2008 | CN101315825A Fire resistant permanent magnet alloy and manufacturing method thereof |
| 12/03/2008 | CN101314836A Austenite stainless steel plate for pressboard |
| 12/03/2008 | CN101314835A Low-cost non-magnetoelectricity roll body and manufacturing process thereof |
| 12/03/2008 | CN101314834A Low carbon nichrome reduced iron |
| 12/03/2008 | CN101314833A Wheel steel for heavy duty goods train and manufacture method thereof |
| 12/03/2008 | CN101314832A Iron alloy material, semiconductor lead frame made of iron alloy material and method of manufacturing the same |
| 12/03/2008 | CN101314831A Steel plate with excellent weariness fissure advance inhibition character and brittle break inhibition character |
| 12/03/2008 | CN101314180A Cold-forming die steel collars anticentripetal composite casting technique for rail beam and section |
| 12/03/2008 | CN101314145A Grinder hammerhead with ceramic wearing coat and casting method thereof |
| 12/03/2008 | CN100440389C Rare earth multiphase alloy material and its preparation |
| 12/03/2008 | CN100439733C Hydrodynamic bearing device and motor |
| 12/03/2008 | CN100439552C Composite high-strength high-ductility hardened and tempered steel and manufacturing method thereof |
| 12/03/2008 | CN100439551C High-grade highly carbon-dioxide resistant chloride ion corrosion oil annular tube steel and method for manufacturing the same |
| 12/03/2008 | CN100439550C Long-life alloy die-casting module and manufacturing method thereof |
| 12/03/2008 | CN100439549C Martensitic stainless steel pipe and method for producing the same |
| 12/03/2008 | CN100439548C Moving part pin of diesel engine and its producing method |
| 12/03/2008 | CN100439547C Metal fiber wire and its producing process |
| 12/03/2008 | CN100439546C Excellent weldability 490mpa low yield ratio cold shaping steel pipe and its mfg. method |
| 12/03/2008 | CN100439545C 800 MPa level thick steel plate with high toughness and low yield ratio and its making process |
| 12/03/2008 | CN100439544C High strength cold rolled steel sheet and method for manufacturing the same |
| 12/03/2008 | CN100439543C Hot-rolled super-strength martensitic steel and method for manufacturing same |
| 12/03/2008 | CN100439542C High strength steel sheet and method for manufacturing same |
| 12/03/2008 | CN100439541C Steel product for line pipe excellent in resistance to HIC and line pipe produced by using the steel product |
| 12/03/2008 | CN100439540C Steel material with excellent rolling fatigue life and method of producing the same |
| 12/03/2008 | CN100439519C Metal structure product with excellent environmental cracking resistance and method of enhancing environmental cracking resistance of metal structure product |
| 12/02/2008 | US7459219 Items made of wear resistant materials |
| 12/02/2008 | US7459041 Method for making an abrasion-resistant steel plate |
| 12/02/2008 | US7459034 Steel hoop made from a martensitic steel strip |
| 12/02/2008 | US7459033 Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof |
| 12/02/2008 | US7458426 Embedding a steel pipe in an excavated well, excavating the underground on the front end of the embedded steel pipe to deepen the well, inserting a second steel pipe; expanding the second steel pipe radially by a tool inserted therein to increase the diameter, excavating, repeating |
| 11/27/2008 | WO2008143091A1 Sintered soft magnetic powder molded body |
| 11/27/2008 | WO2008143031A1 Rolling member, rolling bearing and process for manufaturing rolling member |
| 11/27/2008 | WO2008142275A2 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 11/27/2008 | WO2008142229A2 Austenitic iron/nickel/chromium/copper alloy |
| 11/27/2008 | US20080292489 High Mn Austenitic Stainless Steel |
| 11/27/2008 | US20080289727 Method for making materials having artificially dispersed nano-size phases and articles made therewith |
| 11/27/2008 | US20080289726 Cold rolled, dual phase, steel sheet and method of manufacturing same |
| 11/27/2008 | CA2686261A1 Direct to metal sintering of 17-4ph steel |
| 11/26/2008 | EP1995341A1 Oil well pipe for expansion in well and two-phase stainless steel for use as oil well pipe for expansion |
| 11/26/2008 | EP1995340A1 Cold-rolled steel sheet, process for producing the same, and cell and process for producing the same |
| 11/26/2008 | EP1995339A1 Steel sheet for submerged arc welding |