| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 07/27/2011 | CN1946876B Hardfacing ferroalloy materials |
| 07/27/2011 | CN1934283B R-Fe-B-based rare earth permanent magnet material |
| 07/27/2011 | CN102138238A Stainless steel material for separator of solid polymer fuel cell and solid polymer fuel cell using the same |
| 07/27/2011 | CN102137949A High-strength Zn-Al-plated steel wire for bridges which has excellent corrosion resistance and fatigue properties, and process for production thereof |
| 07/27/2011 | CN102137948A Steel alloy for ferritic steel having excellent creep strength and oxidation resistance at elevated usage temperatures |
| 07/27/2011 | CN102137947A Pearlite rail having superior abrasion resistance and excellent toughness |
| 07/27/2011 | CN102137946A High-carbon hot-rolling steel sheet and a production method therefor |
| 07/27/2011 | CN102137943A Cold-rolled steel sheet production method and production facility |
| 07/27/2011 | CN102137942A Method for reducing edge serration defects in thin slabs |
| 07/27/2011 | CN102134690A 21-4N gas valve steel including rare earth element and rare earth adding method |
| 07/27/2011 | CN102134689A Methods for processing nanostructured ferritic alloys and articles produced thereby |
| 07/27/2011 | CN102134688A Super high nitrogen martensite stainless steel and preparation method thereof |
| 07/27/2011 | CN102134687A Composite material selectively absorbing optical wave |
| 07/27/2011 | CN102134686A Low-alloy wheel steel for railway wagons and wheel preparation method thereof |
| 07/27/2011 | CN102134685A Method of manufacturing metal forming component for an automobile part |
| 07/27/2011 | CN102134684A Method for casting wear resistance metal material, wear resistance metal material and secondary cyclone shell made by same |
| 07/27/2011 | CN102134683A Guide roller and preparation technique thereof |
| 07/27/2011 | CN102134682A Wear resistant steel plate |
| 07/27/2011 | CN102134681A Steel for saw blade substrate and manufacturing method thereof |
| 07/27/2011 | CN102134680A Ultrahigh strength steel with 960MPa of yield strength and production method thereof |
| 07/27/2011 | CN102134679A Heat treatable overlarge-diameter high-strength steel and preparation methods thereof |
| 07/27/2011 | CN102134678A Copper-iron alloy material for novel energy-saving motor and preparation method thereof |
| 07/27/2011 | CN102134677A Iron-based composite material and preparation method thereof |
| 07/27/2011 | CN102134676A Iron-based special alloy powder and production method thereof |
| 07/27/2011 | CN102134675A Non-oriented electrical steel for thin slab continuous casting-continuous rolling production and method thereof |
| 07/27/2011 | CN102134628A Smelting method of low-carbon aluminium killed steel with low silicon content |
| 07/27/2011 | CN101787496B Wear resistant cast steel and preparation method thereof |
| 07/27/2011 | CN101660098B Hot-rolling seamless steel pipe applicable to high temperature of 580-620 DEG C and high pressure of 24-30MPa and production method thereof |
| 07/27/2011 | CN101643880B High tensile strength hot rolled ferrite bainite dual phase steel and preparation method thereof |
| 07/27/2011 | CN101541988B Iron-nickel alloy with a high level of ductility and a low expansion coefficient |
| 07/27/2011 | CN101457324B Low density, high intensity and high performance powder metallurgy lining and preparation method thereof |
| 07/27/2011 | CN101451214B Large thickness novel anti-hydrogen sulfide steel and method for producing the same |
| 07/27/2011 | CN101110289B Rare earth permanent magnet, its manufacturing method, and permanent magnet rotary machine |
| 07/26/2011 | US7985372 Ferritic stainless steel sheet for use in raw material pipe for forming bellows pipe |
| 07/26/2011 | US7985306 High corrosion resistance precipitation hardened martensitic stainless steel |
| 07/26/2011 | CA2640646C High strength hot-dip galvanized steel sheet and high strength hot-dip galvannealed steel sheet and methods of production and apparatuses for production of the same |
| 07/26/2011 | CA2481009C Method for producing martinsitic stainless steel |
| 07/21/2011 | WO2011087116A1 Steel sheet with small welding deformation and excellent corrosion resistance |
| 07/21/2011 | WO2011087112A1 Cold-rolled steel plate and method for producing same |
| 07/21/2011 | WO2011087109A1 Cold-rolled steel plate having excellent post-aging moldability and shape retention |
| 07/21/2011 | WO2011087108A1 Steel plate having excellent moldability and shape retention, and method for producing same |
| 07/21/2011 | WO2011087107A1 Cold-rolled steel plate and method for producing same |
| 07/21/2011 | WO2011087057A1 High-strength steel plate having excellent formability, and production method for same |
| 07/21/2011 | WO2011046718A3 Iron-based sintered powder metal for wear resistant applications |
| 07/21/2011 | US20110178334 Fixed-bed reactor and process for producing acrylic acid using the reactor |
| 07/21/2011 | US20110176988 Ammonia decomposition catalysts and their production processes, as well as ammonia treatment method |
| 07/21/2011 | US20110176954 Ferritic Stainless Steel for Use as Conduit Members for Emission of Automotive Exhaust Gas |
| 07/21/2011 | US20110176953 Ferritic stainless steel sheet for egr coolers |
| 07/21/2011 | US20110174418 Aluminum plated steel sheet for rapid heating hot-stamping, production method of the same and rapid heating hot-stamping method by using this steel sheet |
| 07/21/2011 | DE102010046776A1 Producing coil spring for motor vehicle chassis, comprises molding iron-containing metal material to screw spiral mold, heat-treating the material, hot-shot -peening heat-treated material, and then hot-hardening hot-shot-peened material |
| 07/21/2011 | CA2782777A1 High tensile steel sheet superior in formability and method of manufacturing the same |
| 07/20/2011 | EP1984533B1 Creep-resistant ferritic steel |
| 07/20/2011 | CN1685072B Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 07/20/2011 | CN102131947A Hardened martensitic steel having low cobalt content, process for manufacturing part from this steel, and parts thus obtained |
| 07/20/2011 | CN102131946A Ferritic stainless steel sheet for egr coolers |
| 07/20/2011 | CN102131945A Case hardening steel, carburized component, and method for producing case hardening steel |
| 07/20/2011 | CN102129907A Nanocrystalline soft magnetic alloy iron core with high initial permeability and low remanence and preparation method thereof |
| 07/20/2011 | CN102127800A Method for selective absorption treatment of alloy surface |
| 07/20/2011 | CN102127719A Thick steel plate for ocean platform structure with yield strength of 500MPa grade and manufacture method thereof |
| 07/20/2011 | CN102127718A Austenite antibacterial stainless steel |
| 07/20/2011 | CN102127717A Cr-contained weathering steel with excellent toughness and high corrosion resistance |
| 07/20/2011 | CN102127716A Low-temperature heating oriented electrical steel with good surface coating and production method thereof |
| 07/20/2011 | CN102127715A Tin-containing ferritic stainless steel alloy material and preparation method thereof |
| 07/20/2011 | CN102127714A Nano-cluster-strengthened iron-base superalloy |
| 07/20/2011 | CN102127713A Oxide dispersion-strengthening ferrite steel with bicrystal structure and production method thereof |
| 07/20/2011 | CN102127712A Micro alloyed oxide dispersion-strengthening ferrite steel and preparation method |
| 07/20/2011 | CN102127711A Nano-structured ultrahigh-strength dual-phase steel and production method thereof |
| 07/20/2011 | CN102127710A Chromium-free weather-resistant steel |
| 07/20/2011 | CN102127709A Low-temperature slab heating high magnetic induction grain-oriented silicon steel and production method thereof |
| 07/20/2011 | CN102127708A Method for producing oriented electrical steel by heating low-temperature slab |
| 07/20/2011 | CN102127707A Ultra-thick steel plate with high strength and high low-temperature toughness and production method thereof |
| 07/20/2011 | CN102127706A High-strength long-fatigue life wheel steel used for heavy truck and manufacturing method thereof |
| 07/20/2011 | CN102127705A High-strength high-hardness wear-resistant steel |
| 07/20/2011 | CN102127704A 900MPa-level high-strength high-plasticity medium-carbon hot rolled steel and manufacturing method thereof |
| 07/20/2011 | CN102127703A Method for manufacturing cold-rolled non-oriented electrical steel for frequency-variable air conditioner |
| 07/20/2011 | CN102127702A Method for preparing low-S high-grade non-oriented electrical steel |
| 07/20/2011 | CN102127701A Production method of hot rolled steel coil for ship building |
| 07/20/2011 | CN102127700A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127699A Method for producing hot rolled steel coils |
| 07/20/2011 | CN102127698A Production method of X100 steel grade elbow pipes and pipe fittings |
| 07/20/2011 | CN102127697A Production method of X70 steel grade elbow pipes and pipe fittings |
| 07/20/2011 | CN102127696A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127695A Production method of hot rolled steel coil |
| 07/20/2011 | CN102127694A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127693A Method for producing hot-rolled steel coil |
| 07/20/2011 | CN102127692A Production method of hot rolled steel coil |
| 07/20/2011 | CN102127691A Method for producing hot rolled steel coil |
| 07/20/2011 | CN102127690A Method for producing hot rolled steel coil |
| 07/20/2011 | CN102127689A Production method of hot rolled steel coil for ship building |
| 07/20/2011 | CN102127688A Method for producing hot-rolled steel coil for shipbuilding |
| 07/20/2011 | CN102127687A Method for producing hot-rolled steel coil |
| 07/20/2011 | CN102127686A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127685A Method for producing hot-rolled steel coil for shipbuilding |
| 07/20/2011 | CN102127684A Method for producing hot rolled steel coils |
| 07/20/2011 | CN102127683A Method for producing hot-rolled steel coil |
| 07/20/2011 | CN102127682A Method for producing hot rolled steel coils for ship building |
| 07/20/2011 | CN102127681A Production method of hot rolled steel coil |
| 07/20/2011 | CN102127680A Production method of hot rolled steel coil for shipbuilding |
| 07/20/2011 | CN102127679A Method for producing hot-rolled steel coil |
| 07/20/2011 | CN102127678A Method for producing hot rolled steel coil |