| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 05/25/2011 | CN102077069A Testing method for bolts |
| 05/25/2011 | CN102076874A A method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component |
| 05/25/2011 | CN102072659A Feeding rail device of impulse type furnace |
| 05/25/2011 | CN102072244A Crank shaft for motor vehicle |
| 05/25/2011 | CN102072243A Crankshaft for automotive vehicle |
| 05/25/2011 | CN102071975A Welded rotor of single-cylinder steam turbine and welding method thereof |
| 05/25/2011 | CN102071368A Medium carbon non-quenched and tempered steel used in low-cost forging |
| 05/25/2011 | CN102071367A Steel forging manufacturing process for deep-sea Christmas tree equipment connectors |
| 05/25/2011 | CN102071366A High-toughness drilling rod applicable to corrosion acid environment and processing method thereof |
| 05/25/2011 | CN102071365A High-wear-resistance rare earth titanium alloy material and heat treatment method thereof |
| 05/25/2011 | CN102071364A Steel tube and production technique thereof |
| 05/25/2011 | CN102071363A Steel for drill pipe body suitable for arctic-alpine areas |
| 05/25/2011 | CN102071362A High performance low carbon bainitic steel and production method thereof |
| 05/25/2011 | CN102071361A Steel for high temperature resistant oil well tube and manufacturing method thereof |
| 05/25/2011 | CN102071360A Tungsten carbide particle-enhanced iron-based powder metallurgy material and preparation method thereof |
| 05/25/2011 | CN102071359A Ultra-high-intensity automobile structural steel and production method thereof |
| 05/25/2011 | CN102071358A Low-alloy and high-intensity steel plate with yield strength being 550MPa level and production method |
| 05/25/2011 | CN102071357A Nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar and melting method |
| 05/25/2011 | CN102071356A Method for preventing edge crack of low-carbon steel during rolling at high temperature |
| 05/25/2011 | CN102071355A Steel for liquefied petroleum gas cylinders produced by continuous casting and rolling of medium and thin slabs and production method thereof |
| 05/25/2011 | CN102071354A Material for preparing gear |
| 05/25/2011 | CN102069167A Method for preparing oriented silicon steel isometric crystal thin strip blank by twin-roll thin strip continuous casting |
| 05/25/2011 | CN102069165A Method for preparing non-oriented silicon steel columnar crystal thin strip blank by twin-roll thin strip continuous casting |
| 05/25/2011 | CN101775548B Method for producing low nitriding amount and high magnetic induction oriented silicon steel strip |
| 05/25/2011 | CN101649416B High carbon steel wire rod and preparation method thereof |
| 05/25/2011 | CN101643828B Production method of anti-aging tinning black plate |
| 05/25/2011 | CN101629267B Alloy tool steel and manufacturing method thereof |
| 05/25/2011 | CN101558178B Cold-rolled steel sheet with high yield ratio and excellent weather resistance and its manufacture method |
| 05/25/2011 | CN101542003B Structural member for automobile, two-wheel vehicle or railway vehicle excelling in shock absorption performance, shape fixability and flange portion cuttability and process for manufacturing the same |
| 05/25/2011 | CN101541451B Process for producing oriented object, molded object, and sintered object and process for producing permanent magnet |
| 05/25/2011 | CN101517113B Bend pipe and process for producing the same |
| 05/25/2011 | CN101432450B Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 05/25/2011 | CN101389782B Corrosion-resistant steel material for ship and vessel |
| 05/25/2011 | CN101376952B Manufacturing process of high chrome alloy strengthened steel cast shot/sand |
| 05/25/2011 | CN101268208B Low-carbon sulfur-containing free-cutting steel with excellent cuttability |
| 05/25/2011 | CN101265550B Cold rolling automobile plate for micro-alloy high-strength steel stamping |
| 05/25/2011 | CN101144138B Producing method of steel plate for low temperature pressure container and thereof |
| 05/25/2011 | CN101014728B Low cost amorphous steel |
| 05/24/2011 | US7947136 Process for producing a corrosion-resistant austenitic alloy component |
| 05/24/2011 | CA2684793C Method of manufacturing high tensile strength thick steel plate |
| 05/24/2011 | CA2537560C Hot rolled steel sheet and method for manufacturing the same |
| 05/19/2011 | WO2011059030A1 Duplex stainless steel having excellent alkali resistance |
| 05/19/2011 | WO2011010206A3 Heat-resistant austenitic steel having high resistance to stress relaxation cracking |
| 05/19/2011 | US20110114233 Development of a high strength high toughness bainitic steel |
| 05/19/2011 | US20110114232 Method for Producing Steel Sheet for Gasket, and Gasket |
| 05/19/2011 | US20110114231 Steel filament patented in bismuth |
| 05/19/2011 | US20110114229 Ausferritic Wear-Resistant Steel Castings |
| 05/19/2011 | US20110114227 Grain refinement of metallic components by controlled strain path change |
| 05/19/2011 | DE112009000918T5 Magnetisches Verbundmaterial und Verfahren zu seiner Herstellung Magnetic composite material and process for its preparation |
| 05/19/2011 | DE102009024785A1 Stahlgusslegierungen und daraus gefertigtes Stahlgussbauteil sowie Verfahren zur Herstellung desselben Of the same cast steel alloys and manufactured from cast steel components and methods of making |
| 05/19/2011 | DE102008018135B4 Eisen-Chrom-Aluminium-Legierung mit hoher Lebensdauer und geringen Änderungen im Warmwiderstand Iron-chrome-aluminum alloy with high durability and small changes in resistance when hot |
| 05/19/2011 | CA2779891A1 Duplex stainless steel having excellent alkali resistance |
| 05/18/2011 | EP2322680A2 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same |
| 05/18/2011 | EP2322679A1 Seamless pipe of martensitic stainless steel for oil well pipe and process for producing the same |
| 05/18/2011 | EP2322674A1 A method of manufacturing oriented si steel containing cu |
| 05/18/2011 | EP2126150B1 Cold work tool steel with outstanding weldability |
| 05/18/2011 | EP1731777B1 Machine element |
| 05/18/2011 | EP1728877B1 Process for producing low-alloy steel excelling in corrosion resistance |
| 05/18/2011 | EP1541252B1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe |
| 05/18/2011 | EP1482066B1 Surface treated steel plate and method for production thereof |
| 05/18/2011 | EP1439926B1 Casting steel strip method and strip as such |
| 05/18/2011 | CN102067249A R-T-Cu-Mn-B type sintered magnet |
| 05/18/2011 | CN102066599A High-strength ultra-fine steel wire and manufacturing method therefor |
| 05/18/2011 | CN102066598A Steel material for welding |
| 05/18/2011 | CN102066597A Steel material for dissimilar metal joining, joined body of dissimilar metals and process for joining dissimilar metal materials |
| 05/18/2011 | CN102066586A Process for production of carburized part and steel part |
| 05/18/2011 | CN102061995A Gas inlet cylinder of gas turbine and manufacturing process thereof |
| 05/18/2011 | CN102061891A Oil pumping polish rod |
| 05/18/2011 | CN102061428A Manufacturing method of steel with excellent toughness at welding heat-affected zone |
| 05/18/2011 | CN102061427A Production method of HRBF500E high-performance shock-resistant reinforcing steel bar |
| 05/18/2011 | CN102061426A 400-420mm large-thickness low-alloy high-strength constructional steel and production method thereof |
| 05/18/2011 | CN102061425A High-sensitivity magnetically sensitive material with wide linear area |
| 05/18/2011 | CN102061424A Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof |
| 05/18/2011 | CN102061423A Compound processing method of boron-containing high-speed steel roller material |
| 05/18/2011 | CN102061413A Deoxidization and corrosion prevention magnesium-zirconium composite alloy |
| 05/18/2011 | CN102061369A Method for preparing chloride ion corrosion resistant quake-proof bar |
| 05/18/2011 | CN102061368A Method for manufacturing extremely thick flaw detection steel plate with low alloy content and high strength |
| 05/18/2011 | CN102061358A Desulfuration refining process of high-sulfur crude ferronickel |
| 05/18/2011 | CN102061357A Dephosphorization refining process for phosphorus-containing coarse ferronickel |
| 05/18/2011 | CN102059271A Manufacture method of seamless steel tube for (ultra-)supercritical boiler |
| 05/18/2011 | CN102059253A Integrated cast steel supporting roller |
| 05/18/2011 | CN101748335B Nickel-free grate material for sintering machine and manufacturing method thereof |
| 05/18/2011 | CN101748323B Preparation method for forming Al2O3 nano-particles in molten steel |
| 05/18/2011 | CN101736202B Sulphuric acid dew point corrosion resisting steel and method for producing same |
| 05/18/2011 | CN101724788B Preparation method of high-vanadium steel wear resistant material |
| 05/18/2011 | CN101623714B Production method of hot-rolled structural steel for clad layer with yield strength of 460MPa |
| 05/18/2011 | CN101623700B Method for producing medium-carbon steel hot-rolled steel sheet |
| 05/18/2011 | CN101613828B Super-thick steel plate for low yield ratio buildings with 460 MPa grade yield strength and manufacturing method |
| 05/18/2011 | CN101538877B Form-relieved tooth used under low temperature environment |
| 05/18/2011 | CN101535522B Process for producing high-concentration carburized steel |
| 05/18/2011 | CN101506401B Powder forged member, powder mixture for powder forging, method for producing powder forged member, and fracture split type connecting rod using the same |
| 05/18/2011 | CN101490285B Grain refiners for steel - manufacturing methods and use |
| 05/18/2011 | CN101469393B Iron based sintered alloy for sliding component |
| 05/18/2011 | CN101413090B High-strength high-toughness X80 hot rolling coiled sheet for spiral buried arc welding and production method thereof |
| 05/18/2011 | CN101115859B High-concentration carburized/low-strain quenched member and process for producing the same |
| 05/17/2011 | US7943085 Ferritic stainless steel for automobile exhaust gas passage components and welded steel pipe |
| 05/17/2011 | US7942981 Rotationally symmetrical hollow body made of a deformable permanently magnetic alloy and its use and production process |
| 05/17/2011 | CA2423257C Cold-rolled aluminum-killed sheet steel and the manufacturing process for making packaging from this steel |
| 05/12/2011 | WO2011055919A2 Wire rod for drawing having excellent drawability, super-high-strength steel wire and manufacturing method thereof |
| 05/12/2011 | WO2011055844A1 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing same |