| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/15/2010 | CN101338397B Ferrite/martensite two-phase steel with tensile strength higher than 1000MPa and method for preparing same |
| 12/15/2010 | CN101285151B Petroleum case pipe with high strength and toughness and producing method thereof |
| 12/15/2010 | CN101270436B Hot-rolled polyphase steel plate and method for manufacturing same |
| 12/15/2010 | CN101270435B Wolfram carbine particle iron based composite material produced with tungsten filament in situ and method of producing the same |
| 12/14/2010 | US7850794 Spring steel with improved hardenability and pitting resistance |
| 12/14/2010 | US7850793 composed of a pearlite structure; breaking less; tensile strength; high-strength steel wires such as steel cords, tyre bead wires, steel wires for prestressed concrete, wire ropes |
| 12/14/2010 | US7850424 Steam turbine power plant |
| 12/14/2010 | US7849599 Imputing strength gradient in pressure vessels |
| 12/14/2010 | CA2513830C Thermostable and corrosion-resistant cast nickel-chromium alloy |
| 12/14/2010 | CA2415244C Carbon steel ferrous product, namely for galvanization, and its methods of production |
| 12/14/2010 | CA2355797C Process of treating a stainless steel matrix |
| 12/09/2010 | WO2010141095A2 Plastic injection mold of low carbon martensitic stainless steel |
| 12/09/2010 | WO2010140750A1 Fe alloy for a self-lubricating bearing, method for manufacturing same, and self-lubricating bearing manufactured therefrom |
| 12/09/2010 | WO2010140696A1 Steel sheet for brake disc, and brake disc |
| 12/09/2010 | WO2010140596A1 Steel for mechanical structuring |
| 12/09/2010 | WO2010140521A1 Tyre bead wire and process for production thereof |
| 12/09/2010 | WO2010140509A1 Non-oriented magnetic steel sheet and method for producing same |
| 12/09/2010 | WO2010109484A3 High strength microalloyed electric resistance welded steel tubes |
| 12/09/2010 | WO2010101448A3 Stainless steel material having outstanding high-temperature strength, and a production method therefor |
| 12/09/2010 | US20100310405 Ferrous sintered alloy, process for producing ferrous sintered alloy and connecting rod |
| 12/09/2010 | US20100308505 Plastic injection mold of low carbon martensitic stainless steel |
| 12/09/2010 | US20100307644 Process for manufacturing cold-rolled and annealed steel sheet with a very high strength, and sheet thus produced |
| 12/09/2010 | US20100307641 High Carbon Steel Sheet Superior in Tensile Strength and Elongation and Method for Manufacturing the Same |
| 12/09/2010 | US20100307430 Steel compositions for special uses |
| 12/09/2010 | DE102009015009B3 Kolbenring Piston ring |
| 12/09/2010 | DE102009010726B3 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 12/09/2010 | DE102006038670B4 Hochsiliziumhaltiger Stahlwerkstoff zur Herstellung von Kolbenringen und Zylinderlaufbuchsen Hochsiliziumhaltiger steel material for the manufacture of piston rings and cylinder liners |
| 12/08/2010 | EP2258887A1 High-strength steel sheet and process for production thereof |
| 12/08/2010 | EP2258886A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing the same |
| 12/08/2010 | EP2258885A1 Low-alloy duplex stainless steel wherein weld heat-affected zones have good corrosion resistance and toughness |
| 12/08/2010 | EP2258884A1 High-strength steel sheet excellent in resistance to stress-relief annealing and low-temperature joint toughness |
| 12/08/2010 | EP2258883A1 Austenitic heat-resistant cast steel and exhaust system components made therefrom |
| 12/08/2010 | EP2258880A1 Process for production of thick high-tensile-strength steel plates |
| 12/08/2010 | EP2258507A2 Welded structure having improved resistance to stress corrosion cracking |
| 12/08/2010 | EP2257652A2 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 12/08/2010 | EP2257394A1 Method of producing a hot-rolled twip-steel and a twip-steel product produced thereby |
| 12/08/2010 | EP2147127B1 Process for the production of a grain oriented magnetic strip |
| 12/08/2010 | CN1996689B An energy-saving suspending wire clamp |
| 12/08/2010 | CN1954088B Excellent cold-workability exhibiting high-strength steel wire or steel bar, or high-strength shaped article and process for producing them |
| 12/08/2010 | CN1948535B Rare earth improving antibacterial performance silver containing stainless steel |
| 12/08/2010 | CN1831181B Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| 12/08/2010 | CN1803389B Method for manufacturing non-oriented electromagnetic steel sheet, and raw material hot rolling steel sheet |
| 12/08/2010 | CN1764734B Steel for producing high tensile structural components with excellent toughness at low temperatures and uses of such a steel |
| 12/08/2010 | CN1681955B Stainless steel product containing boron and method for production thereof |
| 12/08/2010 | CN1525078B Differential device support structure and method for manufacturing the same |
| 12/08/2010 | CN101911227A Process for production of NdFeB sintered magnets and NdFeB sintered magnets |
| 12/08/2010 | CN101910442A Steel having excellent resistance to corrosion by hydrochloric acid and sulfuric acid and method for manufacturing the same |
| 12/08/2010 | CN101910441A High strength cold rolled steel plate and galvanized steel plate with superior workability and method for manufacturing thereof |
| 12/08/2010 | CN101910440A Wire rods having superior strength and ductility for drawing and method for manufacturing the same |
| 12/08/2010 | CN101910439A High strength thin steel sheet excelling in weldability and process for producing the same |
| 12/08/2010 | CN101910438A Hot rolled steel sheet having superior hot press forming property and high tensile strength, formed article using the steel sheet and method for manufacturing the steel sheet and the formed article |
| 12/08/2010 | CN101910437A Steel for welding structure having welded joint with superior ctod properties in weld heat affected zone |
| 12/08/2010 | CN101910436A High strength cold-rolled steel sheet having excellent weather resistance and method manufacturing the same |
| 12/08/2010 | CN101910426A Process for manufacturing stamped products, and stamped products prepared from the same |
| 12/08/2010 | CN101908398A Nano-phase material silicon steel sheet |
| 12/08/2010 | CN101908396A Nanocrystal composite NdFeB permanent magnet alloy with higher temperature stability and preparation method thereof |
| 12/08/2010 | CN101907003A Valve retainer for low-emission nature gas engine |
| 12/08/2010 | CN101906597A Environment-friendly high-performance graphitized free cutting steel |
| 12/08/2010 | CN101906596A High-sulfur antifriction abrasion-resistant casting steel |
| 12/08/2010 | CN101906595A Austenite heat-resistance stainless steel forming Al2O3 protective layer spontaneously |
| 12/08/2010 | CN101906594A 900MPa level yield strength quenched and tempered steel plate and manufacturing method thereof |
| 12/08/2010 | CN101906593A Intercrystalline corrosion-free high temperature and pressure boiler steel pipe and manufacturing method thereof |
| 12/08/2010 | CN101906592A High-wear resistant low-cobalt powder metallurgical valve seat |
| 12/08/2010 | CN101906591A Ultra high strength ship plate steel and production method thereof |
| 12/08/2010 | CN101906590A Austenitic heat-resistance steel with strengthened nano precipitated phase and manufacturing method thereof |
| 12/08/2010 | CN101906589A Steel for high abrasion-resistant and impact-resistant alloy steel ball |
| 12/08/2010 | CN101906588A Preparation method for air-cooled lower bainite/martensite multi-phase wear-resistant cast steel |
| 12/08/2010 | CN101906587A Low carbon martensitic stainless steel and method for production thereof |
| 12/08/2010 | CN101906586A Steel for high-strength straight-seam welded pipe and manufacturing method thereof |
| 12/08/2010 | CN101906585A High-performance building structure refractory steel plates and manufacturing method thereof |
| 12/08/2010 | CN101906584A Production method of environment-friendly high-surface quality and pickling-free beamsteel |
| 12/08/2010 | CN101906583A Heat resistance fiber material of catalyst carrier for purifying automobile exhaust and manufacturing method thereof |
| 12/08/2010 | CN101906582A Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 12/08/2010 | CN101906581A Vanadium and titanium contained non-oriented electrical steel with high magnetic induction and low iron loss and preparation method thereof |
| 12/08/2010 | CN101906580A Non-oriented electrical steel containing vanadium and titanium and preparation method thereof |
| 12/08/2010 | CN101906579A Low temperature resistant wind power flange steel with high welding performance and high strength |
| 12/08/2010 | CN101906578A Iron series soft magnetic alloy containing rare earth La and preparation technology thereof |
| 12/08/2010 | CN101906577A Non-oriented electrical steel produced by sheet continuous casting and rolling and method thereof |
| 12/08/2010 | CN101906576A Hot continuous-milling steel plate and production method thereof |
| 12/08/2010 | CN101906575A High-strength economical X70 pipeline steel hot-rolling flat plate and production method thereof |
| 12/08/2010 | CN101906574A Steel plate for automobile girder and production method thereof |
| 12/08/2010 | CN101906573A Alloy wire with wiedemann effect and preparation method thereof |
| 12/08/2010 | CN101906572A Method for synthesizing in-situ formed ceramic particle reinforced iron-aluminum-based composites by laser combustion |
| 12/08/2010 | CN101906571A CSP process-based manufacturing method of economical hot-rolled dual-phase steel with high surface quality |
| 12/08/2010 | CN101906570A Tinning substrate for deep-punching food can and production method thereof |
| 12/08/2010 | CN101906569A Anti-large-deformation pipe line steel prepared by thermal treatment method and preparation method thereof |
| 12/08/2010 | CN101906568A High-grade large-strain pipeline steel and manufacturing method of steel pipe |
| 12/08/2010 | CN101906567A High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof |
| 12/08/2010 | CN101906519A Manufacture method of low yield ratio surface layer ultra fine grain low-carbon steel thick plate |
| 12/08/2010 | CN101906500A Method for directly producing chrome-base alloy steel by comprehensively using calcium-free chrome slag |
| 12/08/2010 | CN101905411A Method for manufacturing coupler for distributor of automobile engine |
| 12/08/2010 | CN101905244A Method for producing mandrel by utilizing 28NiCrMoV steel as raw material |
| 12/08/2010 | CN101646794B High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same |
| 12/08/2010 | CN101603158B Large-diameter centrifugal casting furnace roller |
| 12/08/2010 | CN101545081B 780 mpa low yield ratio round steel pipe for building structure with excellent shock resistance and production process |
| 12/08/2010 | CN101538682B Method for manufacturing martensitic stainless steel |
| 12/08/2010 | CN101463447B Method for producing oriented silicon steel by heating low temperature casting blank |
| 12/08/2010 | CN101440458B High weather resistance steel |
| 12/08/2010 | CN101435057B Novel low-cost free-cutting stainless steel 303B and manufacturing process thereof |
| 12/08/2010 | CN101429619B High-strength steel tension rod and thermal treatment method thereof |