| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/01/2012 | CN102337453A Method for improving plastic deformation resistance of low-carbon structural steel |
| 02/01/2012 | CN102336038A Composite structural material and process for manufacturing pipeline component using same |
| 02/01/2012 | CN101928878B 车轴钢及其生产方法 Axle Steel and its production method |
| 02/01/2012 | CN101886228B 具有高强高韧和高耐腐蚀性能的低碳马氏体时效不锈钢 Having high strength and high toughness and high corrosion resistance of low-carbon maraging steel |
| 02/01/2012 | CN101880836B 一种含硼模具钢及其热处理方法 A mold boron steel and heat treatment method |
| 02/01/2012 | CN101876033B 一种低温高韧性船板钢及其生产方法 A cryogenic toughness shipbuilding steel and its production method |
| 02/01/2012 | CN101815803B 二相不锈钢线材、钢线及螺栓及其制造方法 Two-phase stainless steel wire, steel wire and bolts and a method of manufacturing |
| 02/01/2012 | CN101787488B 焊接热影响部的韧性优异的钢材 Excellent toughness of the heat affected zone of the steel |
| 02/01/2012 | CN101748346B 一种高等级别耐磨钢板及其生产方法 Higher levels of one kind of wear-resistant steel and its production method |
| 02/01/2012 | CN101748333B 一种低碳当量高强度耐磨钢板及其生产方法 One kind of carbon equivalent high-strength wear-resistant steel and its production method |
| 02/01/2012 | CN101736193B 低碳钢板及其制备方法 Low-carbon steel and its preparation method |
| 02/01/2012 | CN101688283B 加工性优良的耐磨钢板及其制造方法 Excellent workability, abrasion resistant steel and its manufacturing method |
| 02/01/2012 | CN101490297B 奥氏体不锈钢铸件的制作方法和应用 Production methods and application of austenitic stainless steel castings |
| 01/31/2012 | US8105447 Austenitic stainless hot-rolled steel material with excellent corrosion resistance, proof stress, and low-temperature toughness |
| 01/31/2012 | US8105446 Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet |
| 01/31/2012 | CA2709509C Methods for manufacturing high strength hot-dip galvanized steel sheet and high strength hot-dip galvannealed steel sheet |
| 01/31/2012 | CA2497870C Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 01/26/2012 | WO2012012313A2 Stainless steel alloy |
| 01/26/2012 | WO2012011598A1 High-carbon hot-rolled steel sheet having excellent fine blanking properties and process for production thereof |
| 01/26/2012 | WO2012011469A1 Rolled steel bar or wire for hot forging |
| 01/26/2012 | WO2012011442A1 Electromagnetic steel sheet and process for production thereof |
| 01/26/2012 | WO2012011286A1 Electromagnetic steel sheet with semi-organic insulating coating film |
| 01/26/2012 | WO2012010941A1 Watch-making or clock-making component comprising an amorphous metal alloy |
| 01/26/2012 | WO2012010940A2 Amorphous metal alloy |
| 01/26/2012 | WO2012010376A1 Piston ring having a thermally sprayed coating and method for producing same |
| 01/26/2012 | US20120021917 Substrate for superconducting wiring, superconducting wiring and production method for same |
| 01/26/2012 | US20120021246 Weld metal and welded structure having weld joints using the same |
| 01/26/2012 | US20120020827 Ferritic stainless steel with excellent heat resistance |
| 01/26/2012 | US20120020605 Bearing component, rolling bearing, and method for producing bearing component |
| 01/26/2012 | US20120018063 Case-hardened steel superiorin cold workability, machinability, and fatigue characteristics after carburized quenching and method of production of same |
| 01/26/2012 | US20120018060 High-strength galvanized steel sheet and method for manufacturing the same |
| 01/26/2012 | US20120018058 Process for manufacturing a cold rolled trip steel product |
| 01/26/2012 | US20120018056 Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof |
| 01/26/2012 | US20120018054 Stainless steel material having outstanding high-temperature strength, and a production method therefor |
| 01/26/2012 | US20120018050 Steel for surface layer hardening treatment, surface layer-hardened steel part, and method of manufacturing the same |
| 01/26/2012 | US20120018049 Process for the production of grain-oriented magnetic sheet starting from thin slab |
| 01/26/2012 | DE102010025287A1 Chrom-Nickel-Stahl Chromium-nickel steel |
| 01/26/2012 | CA2804310A1 Stainless steel alloy |
| 01/26/2012 | CA2803150A1 Magnetic steel sheet with semi-organic insulation coating |
| 01/25/2012 | EP2410070A1 Bainite steel and methods of manufacture thereof |
| 01/25/2012 | EP2410069A1 Si-killed steel wire rod and spring excellent in fatigue properties |
| 01/25/2012 | EP2410068A1 Duplex stainless steel plate having excellent press moldability |
| 01/25/2012 | EP2410067A1 Rare earth permanent magnet and method for producing same |
| 01/25/2012 | EP2408943A1 Iron vanadium powder alloy |
| 01/25/2012 | EP1395998B1 Bonded magnets made with atomized permanent magnetic powders |
| 01/25/2012 | CN102333901A High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor |
| 01/25/2012 | CN102333900A High-mn austenite stainless steel and metal part for clothing |
| 01/25/2012 | CN102333899A Hot rolled steel sheet having excellent punching workability and fatigue properties, hot dip galvanized steel sheet, and method for producing the same |
| 01/25/2012 | CN102330850A Bimetal centrifugal composite pipe and preparation method thereof |
| 01/25/2012 | CN102330583A Automobile engine valve seat ring |
| 01/25/2012 | CN102330040A Free-machining steel material |
| 01/25/2012 | CN102330039A Low-carbon bismuth-containing environment-friendly free-cutting structural steel |
| 01/25/2012 | CN102330038A Environmentally friendly medium-carbon free cutting structural iron containing bismuth |
| 01/25/2012 | CN102330037A Alloy roller with high abrasion resistance and high heat resistance |
| 01/25/2012 | CN102330036A Grate of heat, wear and corrosion-resisting large mechanical reciprocating incinerator and manufacture method of grate |
| 01/25/2012 | CN102330035A Heat resistant steel, and heat resistant steel pipe and manufacturing method thereof |
| 01/25/2012 | CN102330034A X65MS steel-grade spiral welded tube for acidic corrosion environment and manufacturing method thereof |
| 01/25/2012 | CN102330033A Low-cost austenitic stainless steel with excellent corrosion resistance |
| 01/25/2012 | CN102330032A Acid-proof X70MS steel-grade spiral welded pipe and manufacturing method thereof |
| 01/25/2012 | CN102330031A High-tenacity -130 DEG C low-temperature steel and manufacturing method thereof |
| 01/25/2012 | CN102330030A Seamless steel pipe with diameter of between 559 and 711mm for vehicular high-pressure gas cylinder and production method thereof |
| 01/25/2012 | CN102330029A Metal alloy material |
| 01/25/2012 | CN102330028A Metal alloy material for cutting pick bodies of coal cutters |
| 01/25/2012 | CN102330027A 120ksi primary grade sulfur-resistant drill pipe and manufacturing method thereof |
| 01/25/2012 | CN102330026A Corrosion resisting and shock resisting steel with high strength and preparation method thereof |
| 01/25/2012 | CN102330025A High-strength low-cost steel for tandem-rolling pipe machine core rod and preparation method of high-strength low-cost steel |
| 01/25/2012 | CN102330024A Steel for tandem tube mill hollow mandrel and preparation technology thereof |
| 01/25/2012 | CN102330023A Steel for H steels at 500MPa level of yield strength and thermomechanical control process thereof |
| 01/25/2012 | CN102330022A Novel martensite antimicrobial stainless steel, thermal processing method and application thereof |
| 01/25/2012 | CN102330021A Full production process of low-temperature oriented silicon steel |
| 01/25/2012 | CN102330020A Manufacturing method for high-toughness steel plates with yield strength of 345 to 390MPa |
| 01/25/2012 | CN102330019A Preparation method for vanadium-containing twin crystal induced plastic steel with low carbon, high strength and high plasticity |
| 01/25/2012 | CN102330018A Seamless steel tube used for thick-wall petroleum casing collar material and production method thereof |
| 01/25/2012 | CN102330017A Production method of superthick steel plate by using continuous casting billet in condition of small compression ratio |
| 01/25/2012 | CN102329942A Thermal treatment process for directly-connected sleeve |
| 01/25/2012 | CN102327795A Chromium (Cr)-free high-boron iron-based wear-resistant duplex metal composite hammerhead and preparation method thereof |
| 01/25/2012 | CN102327794A Cr-free high boron iron-based wear-resisting dual-liquid dual-metal compound hammerhead and manufacturing method thereof |
| 01/25/2012 | CN102327080A Stainless steel sink |
| 01/25/2012 | CN102041440B Method for producing high magnetic induction grain-oriented silicon steel |
| 01/25/2012 | CN102038964B Amorphous Fe-Co-B nano magnetic resonance contrast agent material and preparation method thereof |
| 01/25/2012 | CN101956128B Control method for improving low-temperature impact property of ZG16Mn steel casting |
| 01/25/2012 | CN101935805B Grate bar and preparation method thereof |
| 01/25/2012 | CN101934242B Combined hammer head and manufacturing process thereof |
| 01/25/2012 | CN101921949B Continuous annealing production method of cold-rolled sheet No.45 steel |
| 01/25/2012 | CN101914687B Electro-slag re-melting method for steel for aluminum-controlled seamless steel pipes |
| 01/25/2012 | CN101880837B Method for preparing steel |
| 01/25/2012 | CN101818305B Process for producing cu-containing steel product of excellent surface property |
| 01/25/2012 | CN101792884B Steel with underrelaxation and hydrogen corrosion resistance for high-speed railway prestressed pull rod and production method thereof |
| 01/25/2012 | CN101688280B Ferritic stainless steel having excellent heat resistance |
| 01/24/2012 | US8101029 Weld metal of high-strength Cr-Mo steel |
| 01/24/2012 | US8101004 Process for manufacturing steel blanks |
| 01/24/2012 | CA2656946C Duplex stainless steel |
| 01/19/2012 | WO2012008597A1 High yield ratio high-strength hot-dip galvanized steel sheet with excellent ductility and hole expansion properties, and manufacturing method thereof |
| 01/19/2012 | WO2012008486A1 Dual-phase structure oil well pipe and method for producing same |
| 01/19/2012 | WO2012008426A1 Method for producing r-t-b-based sintered magnets |
| 01/19/2012 | WO2012008416A1 Treatment device |
| 01/19/2012 | WO2012008405A1 Steel having excellent machinability for mechanical structure |
| 01/19/2012 | WO2012008056A1 Weld structure having resistance to brittle crack propagation |
| 01/19/2012 | WO2012008055A1 Welded joint and welded structure having excellent brittle crack propagation resistance |
| 01/19/2012 | WO2011081392A4 Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same |