| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 09/05/2012 | CN102251176B Method for rolling ship plate pitting-resistant blue steel |
| 09/05/2012 | CN102127681B Production method of hot rolled steel coil |
| 09/05/2012 | CN102051460B Corrosion-resistance optimizing treatment process for Cr-Ni type stainless steel and corrosion-resistant plate |
| 09/05/2012 | CN102031451B Vanadium-titanium containing carbon steel and manufacturing method thereof |
| 09/05/2012 | CN102011052B Preparation method of twin crystal induced plastic steel plate |
| 09/05/2012 | CN102011049B Ta-doped FeCo-based soft magnetic alloy and preparation method thereof |
| 09/05/2012 | CN102011046B Method for preparing bulk nanocrystalline iron-based alloy |
| 09/05/2012 | CN101981208B Air-cooling facility for heat treatment process of martensite based stainless steel pipe |
| 09/05/2012 | CN101956133B Low-yield strength anti-ageing continuous annealing cold-roll steel sheet and production method thereof |
| 09/05/2012 | CN101935809B High performance rare-earth duplex stainless steel alloy material and preparation method thereof |
| 09/05/2012 | CN101717890B Cast low alloy steel for grader blade and preparation method |
| 09/05/2012 | CN101717887B Rotary austenite toughening-based low-temperature steel and method for preparing same |
| 09/05/2012 | CN101619419B Steel plate for low-carbon high-niobium high strength welding structure and method for manufacturing same |
| 09/05/2012 | CN101600812B High tensile steel products excellent in the resistance to delayed fracture and process for production of the same |
| 09/05/2012 | CN101437973B Martensitic stainless seamless steel pipe for oil well pipe, and method for producing the same |
| 09/05/2012 | CN101400816B High-strength hot rolled steel sheet having excellent composite moldability |
| 09/05/2012 | CN101287851B Oil-tempered wire and process for producing the same |
| 09/05/2012 | CN101238235B High-strength steel for seamless, weldable steel pipes |
| 09/05/2012 | CN101187316B Exhaust guide assembly for variable giometry shape turbocharger with improved high-temperature endurance |
| 09/05/2012 | CN101171511B Method for evaluating the reliability of steel |
| 09/04/2012 | US8257647 Strip of hot rolled micro-alloyed steel for obtaining finished pieces by cold pressing and shearing |
| 09/04/2012 | US8257646 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance |
| 09/04/2012 | US8257514 Heat crack resistance, seizing resistance and abrasion resistance; for floating seal members such as rollers, idlers and reduction gears for construction machines |
| 09/04/2012 | US8257513 High strength steel sheet excellent in bending workability and fatigue strength |
| 09/04/2012 | US8257512 Classes of modal structured steel with static refinement and dynamic strengthening and method of making thereof |
| 08/30/2012 | WO2012115291A1 Method for manufacturing hot dip plated steel |
| 08/30/2012 | WO2012115281A1 Steel exhibiting superior weather resistance |
| 08/30/2012 | WO2012115280A1 Structural steel exhibiting superior weather resistance |
| 08/30/2012 | WO2012115240A1 Forged steel material for nuclear power generation devices, and welded structure for nuclear power generation devices |
| 08/30/2012 | WO2012115181A1 High-strength steel sheet exhibiting superior stretch-flange formability and bendability, and method of preparing ingot steel |
| 08/30/2012 | WO2012115137A1 Composite soft magnetic material having low magnetic strain and high magnetic flux density, method for producing same, and electromagnetic circuit component |
| 08/30/2012 | WO2012115135A1 Nitrided steel member and method for producing same |
| 08/30/2012 | WO2012115025A1 Manufacturing method for cold-working die |
| 08/30/2012 | WO2012115024A1 Cold-work tool steel exhibiting superior machinability |
| 08/30/2012 | WO2012114383A1 Non-oriented electromagnetic steel sheet and method for manufacturing same |
| 08/30/2012 | WO2012113569A1 Use of a chromium steel having a martensitic microstructure and carbidic inclusions |
| 08/30/2012 | WO2012113188A1 Nanostructured ultra-strength dual-phase steel and producing method thereof |
| 08/30/2012 | WO2012113184A1 Non-oriented electric steel produced by thin slab continuously casting and rolling and producing method thereof |
| 08/30/2012 | WO2012113119A1 Method for producing x90 steel grade elbow pipe and pipe fittings |
| 08/30/2012 | WO2012113118A1 Method for producing x100 steel grade elbow pipe and pipe fittings |
| 08/30/2012 | US20120216925 Hot-pressed steel sheet member, steel sheet for hot-press, and method for manufacturing hot-pressed steel sheet member |
| 08/30/2012 | US20120216904 High-strength uoe steel pipe excellent in deformability and low-temperature toughness of heat affected zone |
| 08/30/2012 | US20120216642 Tempered steel |
| 08/30/2012 | DE102011102293A1 Verwendung eines Chromstahls mit martensitischem Gefüge und karbidischen Einschlüssen Using a chromium steel with a martensitic structure and carbide inclusions |
| 08/30/2012 | CA2825956A1 Forged steel and welded structure for components for nuclear power plants |
| 08/30/2012 | CA2822206A1 Non-oriented electrical steel sheet and method for manufacturing the same |
| 08/30/2012 | CA2808458A1 High-strength steel sheet exhibiting excellent stretch-flange formability and bending workability, and method of producing molten steel for the high-strength steel sheet |
| 08/29/2012 | EP2492366A1 Hot work tool steel with outstanding toughness and thermal conductivity |
| 08/29/2012 | EP2492363A1 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 |
| 08/29/2012 | EP2492361A2 High strength steel pipe with excellent toughness at low temperature and good sulfide stress corrosion cracking resistance |
| 08/29/2012 | EP2491157A1 Method for producing high-strength steel product and steel product |
| 08/29/2012 | EP2491149A1 High hardness, high toughness iron-base alloys and methods for making same |
| 08/29/2012 | CN1946862B Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding |
| 08/29/2012 | CN102652184A Magnetic material sputtering target |
| 08/29/2012 | CN102652181A Steel sheet with small welding deformation and excellent corrosion resistance |
| 08/29/2012 | CN102652177A Method for producing an easily deformable flat steel product, flat steel product, and method for producing a component from such a flat steel product |
| 08/29/2012 | CN102650024A Medium plate made of duplex stainless steel with excellent low-temperature toughness and manufacturing method for medium plate |
| 08/29/2012 | CN102650023A Cu-Fe-Ni-Cr austenite alloy for oil bushing |
| 08/29/2012 | CN102650022A Stainless steel for passenger cars and method for producing same |
| 08/29/2012 | CN102650021A Bainite pre-hardening plastic mold steel and preparation method and heat treatment method thereof |
| 08/29/2012 | CN102650020A High-silicon high-manganese type high-thermal stability hot work die steel and thermal treatment process thereof |
| 08/29/2012 | CN102650019A High-strength and high-hardness medium-chromium ferritic stainless steel and manufacturing method thereof |
| 08/29/2012 | CN102650018A Seawater corrosion-resistant steel plate and method for producing same |
| 08/29/2012 | CN102650017A Hot-rolled steel plate and manufacturing method thereof |
| 08/29/2012 | CN102650016A Manufacturing method for high-magnetic induction low-cost 250 MPa cold-rolled magnetic pole steel |
| 08/29/2012 | CN102650015A Economical-type fine-grain high-flexibility weather-proof medium steel plate and production method thereof |
| 08/29/2012 | CN102650014A Manufacturing method of directional electromagnetic steel plate |
| 08/29/2012 | CN102650013A Ultra-high-strength hot-rolled steel plate and manufacturing method thereof |
| 08/29/2012 | CN102649151A Dummy head for continuous casting steel and manufacturing method thereof |
| 08/29/2012 | CN102212748B Method for producing hot-rolled steel coils |
| 08/29/2012 | CN102211111B Composite roller |
| 08/29/2012 | CN102127679B Method for producing hot-rolled steel coil |
| 08/29/2012 | CN102126110B Method for manufacturing high-silicon steel thin strip |
| 08/29/2012 | CN101978083B Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet |
| 08/29/2012 | CN101921951B Low-aluminum-content and high-aging-resistance hot-rolling thin steel plate for cold formation and manufacturing method thereof |
| 08/29/2012 | CN101876032B Weather-resistance bridge high-strength steel plate and production method thereof |
| 08/29/2012 | CN101849028B High tensile steel for deep drawing and manufacturing method thereof |
| 08/29/2012 | CN101818304B Ultra-large linear energy input welding high-strength steel and production method thereof |
| 08/29/2012 | CN101698924B Steel shot used for cleaning and strengthening surface of metal and preparation method thereof |
| 08/29/2012 | CN101698923B Steel shot and preparation method thereof |
| 08/29/2012 | CN101613830B Hot rolled bainite steel rail and production process |
| 08/29/2012 | CN101400818B Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 08/29/2012 | CN101336308B High-strength hot-dip zinced steel sheet excellent in moldability and suitability for plating, high-strength alloyed hot-dip zinced steel sheet, and processes and apparatus for producing these |
| 08/28/2012 | US8252125 Method for producing a workpiece and a workpiece |
| 08/23/2012 | WO2012111537A1 Duplex stainless steel |
| 08/23/2012 | WO2012111536A1 Duplex stainless steel, and process for production thereof |
| 08/23/2012 | WO2012111535A1 Welded duplex stainless joint |
| 08/23/2012 | WO2012111391A1 High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same |
| 08/23/2012 | WO2012111307A1 Method for correcting pipe end of seamless pipe formed from high-cr stainless steel |
| 08/23/2012 | WO2012111188A1 Precipitation hardening martensitic stainless steel |
| 08/23/2012 | WO2012110165A1 Hot rolled flat steel product produced from a complex phase steel, and method for producing same |
| 08/23/2012 | US20120211132 Ultra high strength steel having good toughness |
| 08/23/2012 | US20120211131 High strength steel having good toughness |
| 08/23/2012 | US20120211128 Method for making a steel part of multiphase microstructure |
| 08/23/2012 | CA2827103A1 Welded joint of duplex stainless steel |
| 08/23/2012 | CA2826893A1 Duplex stainless steel |
| 08/23/2012 | CA2826880A1 Duplex stainless steel and production method therefor |
| 08/23/2012 | CA2825240A1 Hot-rolled flat steel product produced from a complex phase steel and method for the production thereof |
| 08/22/2012 | EP2489754A2 Hollow drilling steel rod and method of manufacturing the same |
| 08/22/2012 | EP2489753A1 Non-oriented magnetic steel sheet and method for production thereof |