Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2014
03/19/2014CN102676949B Hot-rolled steel plate for coal slurry conveying pipe and manufacturing method thereof
03/19/2014CN102650016B Manufacturing method for high-magnetic induction low-cost 250 MPa cold-rolled magnetic pole steel
03/19/2014CN102605248B Thick steel plates for high heat input welding and production method thereof
03/19/2014CN102560284B High-strength high-toughness X100 pipeline steel hot-rolled steel strip and manufacturing method thereof
03/19/2014CN102310254B Fillet weld joint and method for gas shielded arc welding
03/19/2014CN102272343B Stainless steel for polymer fuel cell separator and method for preparing same
03/19/2014CN102149836B Sputtering target materials for soft magnetic film layers in vertical magnetic recording media, and manufacturing method therefore
03/19/2014CN101967603B High-strength thick steel plate excellent in drop weight properties and base steel toughness
03/19/2014CN101701322B Sintered sliding member
03/19/2014CN101701321B Sintered sliding member
03/19/2014CN101443463B Steel for forging, process for producing the same, and forged article
03/18/2014US8673094 Case hardening steel and manufacturing method thereof
03/18/2014US8673093 High-strength thin steel sheet
03/18/2014US8673092 Outer member of constant speed universal joint
03/18/2014CA2478660C Metallic material for fuel cells, fuel cell using the same and method for producing the material
03/13/2014WO2014038759A1 Ferritic lightweight high-strength steel sheet having excelent stiffness and ductility, and method of manufacturing the same
03/13/2014WO2014038705A1 Ultrafine crystal alloy ribbon, fine crystal soft magnetic alloy ribbon, and magnetic parts using same
03/13/2014WO2014038607A1 Production method for permanent magnet, production device for permanent magnet, permanent magnet, rotating electrical device, and permanent magnet for rotating electrical device
03/13/2014WO2014038548A1 Machine structure steel material having low heat-treatment deformation
03/13/2014WO2014038510A1 Stainless steel sheet and method for producing same
03/13/2014WO2014038200A1 Thick-walled, high tensile strength steel with excellent ctod characteristics of the weld heat-affected zone, and manufacturing method thereof
03/13/2014WO2014037385A1 Iron and tungsten containing pellets and iron, tungsten and molybdenum containing pellets
03/13/2014WO2014037164A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.6 % and less than or equal to 0.74 %
03/13/2014WO2014037163A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.5 % and less than or equal to 0.6 %
03/13/2014WO2014037162A1 High-drawability steel wire with a proportion by mass of carbon of a value which is greater than or equal to 0.4 % and less than or equal to 0.5 %
03/13/2014WO2007067014A8 High strength cold rolled steel sheet having excellent formability and coating property, zinc-based metal plated steel sheet made of it and the method for manufacturing thereof
03/13/2014US20140072471 Non-oriented electrical steel sheet
03/13/2014US20140069619 Ferritic stainless steel for biofuel supply system part, biofuel supply system part, ferritic stainless steel for exhaust heat recovery unit, and exhaust heat recovery unit
03/13/2014US20140069556 High carbon thin steel sheet and method for producing same
03/13/2014US20140069555 Fe-BASED METAL SHEET AND MANUFACTURING METHOD THEREOF
03/13/2014DE102012216117A1 Verfahren zum Herstellen einer selbstschneidenden Schraube A method of manufacturing a self-tapping screw
03/13/2014DE102010037077B4 Verfahren zum Konditionieren der Oberfläche gehärteter korrosionsgeschützter Bauteile aus Stahlblech A method for conditioning the surface hardened corrosion-resistant components made of sheet steel
03/12/2014EP2706131A1 Method for manufacturing machine part
03/12/2014CN203481752U Aluminum alloy core aluminum wire lead large steel anchor type tension wire clamp
03/12/2014CN103635717A Drive plate and manufacturing method thereof
03/12/2014CN103635600A Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same
03/12/2014CN103635596A Method for producing a grain-oriented electrical steel strip or sheet intended for electrotechnical applications
03/12/2014CN103632792A High-magnetic energy product sintered neodymium-iron-boron permanent-magnet material and preparation method thereof
03/12/2014CN103632791A High-coercivity neodymium-iron-boron permanent-magnet material and preparation method thereof
03/12/2014CN103632790A High-magnetic energy product neodymium-iron-boron permanent-magnet material and preparation method thereof
03/12/2014CN103632789A High-remanence neodymium iron boron permanent magnet material and preparation method thereof
03/12/2014CN103632788A Neodymium iron boron magnetic material suitable for motor
03/12/2014CN103632734A Alkali corrosion-resistant tritium proliferation cladding composite material
03/12/2014CN103628606A High-performance structural combined floor slab
03/12/2014CN103628371A Hydraulic track lifting and lining tool bottom plate and manufacturing method thereof
03/12/2014CN103628053A Roller surface treatment process
03/12/2014CN103628002A Austenitic nonmagnetic steel and balance block
03/12/2014CN103628001A Alloy steel material for corrosion-resistant pump valve and preparation method thereof
03/12/2014CN103628000A Alloy steel material for tungsten-containing mine hammerhead and preparation method thereof
03/12/2014CN103627999A Medium-manganese steel hammerhead material for mines and preparation method thereof
03/12/2014CN103627998A Alloy steel material for plate hammer for yttrium-containing mines and preparation method thereof
03/12/2014CN103627997A High-tungsten high-carbon steel hammerhead material and preparation method thereof
03/12/2014CN103627996A High-chromium rare-earth alloy steel hammerhead material and preparation method thereof
03/12/2014CN103627995A Alloy steel hammerhead material for medium-size crusher and preparation method thereof
03/12/2014CN103627994A Corrosion-resistant high-chromium steel hammerhead material for mines and preparation method thereof
03/12/2014CN103627993A Alloy steel hammerhead material for small-size crusher and preparation method thereof
03/12/2014CN103627992A Wear-resistant medium-manganese steel hammerhead material and preparation method thereof
03/12/2014CN103627991A Rupture-resistant alloy steel hammerhead material and preparation method thereof
03/12/2014CN103627990A Wear-resistant stainless steel hammerhead material for mines and preparation method thereof
03/12/2014CN103627989A Alloy steel material for mine crusher hammerhead and preparation method thereof
03/12/2014CN103627988A Alloy steel material for high-hardness anti-rupture hammerhead and preparation method thereof
03/12/2014CN103627987A Magnetic corrosion-resistant alloy steel material for hammerheads and preparation method thereof
03/12/2014CN103627986A Alloy steel material for sand maker hammerhead and preparation method thereof
03/12/2014CN103627985A Alloy steel material for crushing hammerhead for tungsten/yttrium-containing ores and preparation method thereof
03/12/2014CN103627984A Wear-resistant alloy steel material for sand maker hammerhead and preparation method thereof
03/12/2014CN103627983A Wear-resistant alloy steel material for mine crushing hammers and preparation method thereof
03/12/2014CN103627982A Alloy material for high-boron high-wear-resistance hammerhead and preparation method thereof
03/12/2014CN103627981A Alloy material for crusher hammerhead and preparation method thereof
03/12/2014CN103627980A Low-temperature X80HD (High Density) large-deformation pipeline steel with great wall thickness and production method thereof
03/12/2014CN103627979A Large-sized pump bearing steel material and preparation method thereof
03/12/2014CN103627978A Alloy steel material for niobium-containing mine hammerhead and preparation method thereof
03/12/2014CN103627977A Alloy steel material for comb-tooth crusher hammerhead and preparation method thereof
03/12/2014CN103627976A Novel austenitic stainless steel
03/12/2014CN103627975A High-chromium alloy steel hammerhead material and preparation method thereof
03/12/2014CN103627974A Production method for improving hydrogen-induced crack resistance of steel plate
03/12/2014CN103627973A Production method for low-carbon high-chromium steel
03/12/2014CN103627972A ZG25MnSY3 casting material and preparation method thereof
03/12/2014CN103627971A Alloy structural steel for large-specification soldering tools and smelting method thereof
03/12/2014CN103627970A Vanadium-containing austenitic stainless steel
03/12/2014CN103627969A Improved 40CrNiMo steel and heat treatment technology thereof
03/12/2014CN103627968A High-strength alloy steel lining plate material and preparation method thereof
03/12/2014CN103627967A Wear-resistant alloy steel material for pump casing and preparation method thereof
03/12/2014CN103627966A High-hardness medium-manganese steel hammerhead material and preparation method thereof
03/12/2014CN103627965A High-hardness alloy steel hammerhead material and preparation method thereof
03/12/2014CN103627964A High-initial-hardness alloy steel material for crusher hammer and preparation method thereof
03/12/2014CN103627963A Explosion-proof material
03/12/2014CN103627962A Seamless steel pipe for thickened oil thermal production well and preparation method thereof
03/12/2014CN103627961A Air inlet valve and manufacturing method thereof
03/12/2014CN103627960A Wear-resistant cast steel
03/12/2014CN103627959A Heat-resistant alloy steel liner plate material and preparation method thereof
03/12/2014CN103627958A Low-alloy high-strength steel plate containing rare-earth lanthanum and on-line cooling technique thereof
03/12/2014CN103627957A Steel for CR4 hot dip galvanized automobile sheets and production method thereof
03/12/2014CN103627956A Wear-resistant intake valve and preparation method thereof
03/12/2014CN103627955A Steel for high-carbon wear-resisting ball material and production method thereof
03/12/2014CN103627954A Quick-setting preparation method for tombarthite-iron-based magnetic cooling material
03/12/2014CN103627953A Aluminiferous complex phase steel insensitive to isothermal time and production method thereof
03/12/2014CN103627952A Steel for anti-collision beam of automobile side door and machining process of steel
03/12/2014CN103627951A High-toughness boracic carbon structural steel plate roll and production method thereof
03/12/2014CN103627950A Hot rolled spoke steel with yield ratio of 0.45-0.49 and tensile strength of 630-670 MPa and manufacturing method thereof
03/12/2014CN103627866A High-carbon steel rolling method
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