| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 07/20/2011 | CN102127677A Method for producing hot rolled steel coil |
| 07/20/2011 | CN102127676A Method for producing hot rolled steel coils |
| 07/20/2011 | CN102127675A Steel plate warm formed parts with high efficiency, low energy consumption and high quality and production method thereof |
| 07/20/2011 | CN102127672A Method for preparing iron-base superalloy by extrusion forming of gas atomized powder |
| 07/20/2011 | CN102127627A Method for obtaining high hardness and low deformation crack inclination of carbon tool steel |
| 07/20/2011 | CN102127617A Silicon-aluminum-calcium-magnesium alloy as well as preparation method and application thereof |
| 07/20/2011 | CN102126120A Method for producing upper and lower blades of edge cutting machine |
| 07/20/2011 | CN102126119A Method for making kitchen knife |
| 07/20/2011 | CN102126110A Method for manufacturing high-silicon steel thin strip |
| 07/20/2011 | CN101831594B Method for manufacturing high-strength steel plate used in low-temperature environment |
| 07/20/2011 | CN101824582B Oriented electrical steel plate band adopting multivariate inhibiting agent and production method thereof |
| 07/20/2011 | CN101798660B Method for refining, metamorphosing and casting cold roll steel by casting instead of forging |
| 07/20/2011 | CN101792889B Medium-carbon multi-alloying wear-resistant hot rolling round steel and production method thereof |
| 07/20/2011 | CN101787493B Novel high-strength, fatigue-resistant and non-decarburized alloy spring steel and preparation method of steel wire thereof |
| 07/20/2011 | CN101787484B Low-silicon cold rolled precision strip steel for copper-lead bearing steel back and production method thereof |
| 07/20/2011 | CN101775555B Forging alloy steel and manufacturing process thereof |
| 07/20/2011 | CN101775543B HB400-grade wear-resisting steel plate and production method thereof |
| 07/20/2011 | CN101773930B Method for producing 65Mn hot rolled steel plate |
| 07/20/2011 | CN101736122B Method for improving recovery rate of smelt nonmagnetic steel aluminum |
| 07/20/2011 | CN101724789B Austenitic stainless steel medium-thick plate and manufacture method thereof |
| 07/20/2011 | CN101717892B Hot die steel and tempering process thereof |
| 07/20/2011 | CN101705425B Ti-contained sulphuric acid dew-point corrosion resisting steel with tensile strength not less than 450 MPa |
| 07/20/2011 | CN101704026B Method for controlling pitting on surface of medium steel plate |
| 07/20/2011 | CN101701326B High strength and high toughness ship plate steel with thick specification and production method thereof |
| 07/20/2011 | CN101701317B Steel for stud welding pins with yield strength not less than 320MPa and production method thereof |
| 07/20/2011 | CN101698922B Reinforced steel shot and preparation method thereof |
| 07/20/2011 | CN101691639B Alloy vessel plate production method thereof |
| 07/20/2011 | CN101691630B Method for manufacturing seamless steel tubes |
| 07/20/2011 | CN101676425B Martensite abrasion-resistant steel with high strength |
| 07/20/2011 | CN101649422B Niobium microalloyed hot rolled steel band and manufacturing method thereof |
| 07/20/2011 | CN101639003B Centrifugal casting rare-earth contained engine valve retainer and manufacture method thereof |
| 07/20/2011 | CN101634001B CT90-class steel for continuous oil pipe and method for manufacturing same |
| 07/20/2011 | CN101633996B 700MPa-grade high strength and high toughness hardened and tempered steel plate with low cost and manufacturing method thereof |
| 07/20/2011 | CN101613839B High nitrogen and low nickel duplex stainless steel and manufacturing method thereof |
| 07/20/2011 | CN101603156B Manufacture method for manufacturing cantilever steel pipe with high strength and high toughness by using hot-rolling coiled plate |
| 07/20/2011 | CN101603147B Hard tinned plate suitable for stamping processing and production process thereof |
| 07/20/2011 | CN101603140B Method for smelting nickel-containing molten iron by use of laterite ore |
| 07/20/2011 | CN101586210B High strength enamel steel and producing technology and enamel firing technology thereof |
| 07/20/2011 | CN101565798B Ferritic heat-resistant steel and manufacturing method thereof |
| 07/20/2011 | CN101473149B Pulley for continuously variable transmission |
| 07/20/2011 | CN101450376B Turbine wicket gate double-refining casting technique |
| 07/20/2011 | CN101376946B Manufacturing method of straight welding petroleum casing pipe of steel for 110ksi steel grade |
| 07/20/2011 | CN101376943B Manufacturing method of straight welding petroleum casing pipe of steel for 80ksi steel grade |
| 07/20/2011 | CN101353766B Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method |
| 07/20/2011 | CN101308718B Rare earth - iron super magnetostriction material |
| 07/20/2011 | CN101270438B Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method |
| 07/20/2011 | CN101208442B High-carbon hot-rolled steel sheet and process for producing the same |
| 07/19/2011 | US7981360 Niobium addition in Cr-Mo-¼V steel castings for steam turbine casing applications |
| 07/19/2011 | US7981224 microstructure steel sheets composed of austenite and martensite, pearlite, ferrite and/or bainite, having excellent balance between strength, expansion and elongation, formed by hot rolling |
| 07/19/2011 | US7981223 Electrical steel; controlling concentration of bismuth; annealing, cold rolling, hot rolling, heating, decarboxylation; process control |
| 07/19/2011 | CA2605296C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 07/19/2011 | CA2540315C Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes |
| 07/14/2011 | WO2011084148A2 Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
| 07/14/2011 | WO2011084091A1 Music string |
| 07/14/2011 | WO2011082595A1 Method for preparing superfine spherical neodymium-iron-boron powder |
| 07/14/2011 | US20110172783 One-cylinder thrust roll method, device therefor and products manufactured therewith |
| 07/14/2011 | US20110168304 Method for manufacturing high strength steel plate |
| 07/14/2011 | US20110168303 High tensile strength steel for container and producing method of the same |
| 07/14/2011 | US20110168302 High-strength ultrathin steel wire and method of manufacturing the same |
| 07/14/2011 | US20110168300 Manufacturing method for very high-strength cold-rolled dual-phase steel sheets and sheets so produced |
| 07/13/2011 | EP2343763A1 Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using the same |
| 07/13/2011 | EP2343393A2 Surface treated steel plate and method for production thereof |
| 07/13/2011 | EP2343392A1 Method for preparing a stainless steel wire, rope and/or strand |
| 07/13/2011 | EP2343391A1 High-alloyed cold die steel |
| 07/13/2011 | EP2343390A1 Pearlite rail having superior abrasion resistance and excellent toughness |
| 07/13/2011 | EP1327008B2 Ferritic-austenitic stainless steel |
| 07/13/2011 | EP1314791B1 Low carbon martensitic stainless steel and method for production thereof |
| 07/13/2011 | CN102124134A Ferritic stainless steel having a welded part with an excellent workability, and welded steel pipe using same and method for manufacturing same |
| 07/13/2011 | CN102124133A High-tensile strength steel and manufacturing method thereof |
| 07/13/2011 | CN102124132A Steel sheet for enamelling, and a production method therefor |
| 07/13/2011 | CN102124129A Method for manufacturing high-strength metal wire rod |
| 07/13/2011 | CN102122567A Method for producing rare earth sintered magnet |
| 07/13/2011 | CN102121084A Low bainite cast steel shots and surface strengthening device thereof |
| 07/13/2011 | CN102121083A Method for improving impact absorption energy of flange in ultralow-temperature state |
| 07/13/2011 | CN102121082A Production method of reinforcing steel bar used as stirrup |
| 07/13/2011 | CN102121081A Method for manufacturing delivery steel pipe serving acid environment |
| 07/13/2011 | CN102120262A Valve retainer |
| 07/13/2011 | CN101767179B Method for forging screw and nut |
| 07/13/2011 | CN101758173B Pig mold of pig machine |
| 07/13/2011 | CN101622370B Thick high-strength steel plate and process for producing the same |
| 07/13/2011 | CN101619417B Economical weather-resistant checkered plate and production method thereof |
| 07/13/2011 | CN101586207B Hot rolling wire rod for mechanical structure of 1600 Mpa level and manufacture method thereof |
| 07/13/2011 | CN101437974B Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent inresistance to crevice |
| 07/13/2011 | CN101395292B Refractory steel material with excellent welded-joint toughness and process for producing the same |
| 07/13/2011 | CN101358323B Seamless steel tube for 27SiMnB steel, cylinder and production method thereof |
| 07/13/2011 | CN101358320B Steel for controlled rolling and controlled cooling platform and production method thereof |
| 07/13/2011 | CN101343715B High-strength high-ductility X70 thick-wall seamless pipeline steel and manufacturing method |
| 07/13/2011 | CN101328559B Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
| 07/13/2011 | CN101306429B Preparation method of micron and sub-micron austenite crystal material |
| 07/13/2011 | CN101298649B High-strength nonmagnetic stainless steel, component containing the same and manufacturing method thereof |
| 07/13/2011 | CN101238226B Method for producing a grain-oriented electrical steel strip |
| 07/12/2011 | US7976650 Method for production of sheet of austenitic iron/carbon/manganese steel and sheets produced thus |
| 07/12/2011 | US7976647 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 07/12/2011 | CA2599868C Steel for oil well pipe having excellent sulfide stress cracking resistance and method for manufacturing seamless steel pipe for oil well |
| 07/12/2011 | CA2575241C Steel sheet having high young's modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young's modulus, and methodsfor manufacturing these |
| 07/07/2011 | WO2011082280A1 Endoprosthesis containing multi-phase ferrous steel |
| 07/07/2011 | WO2011081901A1 Method of making a hypereutectoid, head-hardened steel rail |
| 07/07/2011 | WO2011081393A2 Austenite steel material having superior ductility |
| 07/07/2011 | WO2011081392A2 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 |
| 07/07/2011 | WO2011081386A2 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor |