| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/03/2013 | CN102199735B Metal silk screen used for printing |
| 04/03/2013 | CN102199734B High-strength 301L stainless steel used for bus, and manufacture method thereof |
| 04/03/2013 | CN102199731B Composite microalloyed large-section non-quenched and tempered steel |
| 04/03/2013 | CN102181794B Hardening and tempering high-strength steel plate for wood based panel equipment and production method of tempering high-strength steel plate |
| 04/03/2013 | CN102181790B Steel with 1,300MPa-level tensile strength for automobile safety piece and production method thereof |
| 04/03/2013 | CN102144267B Corrosion-resistant magnet and manufacturing method thereof |
| 04/03/2013 | CN102102164B Metal mould steel with excellent thermal machinability |
| 04/03/2013 | CN102102163B Martensitic stainless steel and manufacturing method thereof |
| 04/03/2013 | CN102041454B High hardness steel for forging and forming cold roller |
| 04/03/2013 | CN101906586B Steel for high-strength straight-seam welded pipe and manufacturing method thereof |
| 04/03/2013 | CN101781743B Seamless steel tube for ultra supercritical boiler and manufacturing method thereof |
| 04/03/2013 | CN101684534B Steel plate adapting to large-linear energy welding and manufacturing method thereof |
| 04/02/2013 | US8409367 Method of making a nanostructured austenitic steel sheet |
| 04/02/2013 | CA2697352C Steel rod and high strength steel wire having superior ductility and methods of production of same |
| 03/28/2013 | WO2013042664A1 Sintered bearing and method for manufacturing same |
| 03/28/2013 | WO2013042572A1 Metal material for electronic components and method for producing same |
| 03/28/2013 | WO2013042528A1 Centrifugal casted composite roller for hot rolling and method for producing same |
| 03/28/2013 | WO2013042356A1 Alloyed hot-dip galvanized steel sheet with excellent corrosion resistance after coating |
| 03/28/2013 | WO2013042239A1 Medium carbon steel sheet for cold working, and method for producing same |
| 03/28/2013 | WO2013041559A1 A roll for hot rolling |
| 03/28/2013 | WO2013041558A1 A method for producing high speed steel |
| 03/28/2013 | WO2013041541A1 Quenched and partitioned high-carbon steel wire |
| 03/28/2013 | WO2013040858A1 Austenitic composite antibacterial stainless steel and manufacturing process therefor |
| 03/28/2013 | WO2013002575A3 Plated steel sheet having plated layer with excellent stability for hot press molding |
| 03/28/2013 | WO2012104535A3 Structure for forming solar cells |
| 03/28/2013 | US20130078500 Non-aqueous electrolyte secondary battery and combined battery |
| 03/28/2013 | US20130078135 Steel Product with Improved Weathering Characteristics in Saline Environment |
| 03/28/2013 | US20130078134 Lean austenitic stainless steel |
| 03/28/2013 | US20130076017 Hot-rolled high-strength steel structural members and method |
| 03/28/2013 | DE112011101968T5 Fe-Gruppe-basiertes, weichmagnetisches Pulver Fe group-based soft magnetic powder |
| 03/28/2013 | DE112007003040B4 Verfahren zur Herstellung einer Glas-Giessform A method for producing a glass mold |
| 03/28/2013 | DE102008053676B4 Wasserstoffbeständiges Stahlbauteil Hydrogen-resistant steel component |
| 03/28/2013 | DE102006055922B4 Verfahren zur Herstellung eines weichnitrierten Stahlmaschinenteils A method for producing a soft nitrided steel machine component |
| 03/28/2013 | CA2849410A1 Metal material for electronic component and method for manufacturing the same |
| 03/28/2013 | CA2848028A1 Medium carbon steel sheet for cold working and method for manufacturing the same |
| 03/27/2013 | EP2573393A2 Compressor Bearing and Compressor Component |
| 03/27/2013 | EP2573200A1 Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof |
| 03/27/2013 | CN202833929U Powder metallurgy cam for sewing machine |
| 03/27/2013 | CN103003899A Treatment device |
| 03/27/2013 | CN103003898A Method for producing R-T-B-based sintered magnets |
| 03/27/2013 | CN103003470A Electromagnetic steel sheet with semi-organic insulating coating film |
| 03/27/2013 | CN103003463A High-carbon hot-rolled steel sheet having excellent fine blanking properties and process for production thereof |
| 03/27/2013 | CN103003462A Rolled steel bar or wire for hot forging |
| 03/27/2013 | CN103003461A Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring |
| 03/27/2013 | CN103003460A High yield ratio high-strength hot-dip galvanized steel sheet with excellent ductility and hole expansion properties, and manufacturing method thereof |
| 03/27/2013 | CN103003459A Steel for nitriding purposes, and nitrided member |
| 03/27/2013 | CN103002858A Metal alloy for fusion of dental ceramics, and dental prosthesis |
| 03/27/2013 | CN103000324A Sintered rare earth permanent magnetic material and preparation method thereof |
| 03/27/2013 | CN102996638A Ceramimetallurgical oil-free lubrication bearing |
| 03/27/2013 | CN102996441A Pump body structure of cam rotor pump and preparation method thereof |
| 03/27/2013 | CN102996196A Engine valve seat and manufacturing method thereof |
| 03/27/2013 | CN102994917A Alloy material, valve retainer, and preparation method and installation method thereof |
| 03/27/2013 | CN102994916A Processable nickel-saving type austenitic stainless steel and production method thereof |
| 03/27/2013 | CN102994915A Corrosion resistance stainless steel metal |
| 03/27/2013 | CN102994914A Iron-molybdenum-graphite series high-temperature self-lubricating composite material and preparation method of same |
| 03/27/2013 | CN102994913A Stator material of homogeneous mixing pump |
| 03/27/2013 | CN102994912A Stator of homogeneous mixing pump and preparation method thereof |
| 03/27/2013 | CN102994911A Austenite composite antibacterial stainless steel and preparation method thereof |
| 03/27/2013 | CN102994910A Casting method of gate valve rod |
| 03/27/2013 | CN102994909A Alloy steel material and preparation method thereof |
| 03/27/2013 | CN102994908A Control method of ultra-low-carbon, high strength, hydrogen embrittlement-resistant alloy and non-metallic inclusion of austenitic alloy |
| 03/27/2013 | CN102994907A Casting method of check valve body |
| 03/27/2013 | CN102994906A Preparation method of ball valve body |
| 03/27/2013 | CN102994905A Preparation method of micro/nano-structure ultrahigh-strength plastic stainless steel containing Nb |
| 03/27/2013 | CN102994904A Cold-rolled strip for high-precision spring and production method thereof |
| 03/27/2013 | CN102994903A Duplex stainless steel with paradoxical phase proportion change and preparation method thereof |
| 03/27/2013 | CN102994902A Hot-working tool steel having excellent toughness and high-temperature strength and method for production thereof |
| 03/27/2013 | CN102994901A Heat-resisting material frame made of medium-chrome cast iron |
| 03/27/2013 | CN102994900A Wear and heat resistant high-chromium glass die |
| 03/27/2013 | CN102994899A Production method of low-alloy chromium-containing powder metallurgy steel |
| 03/27/2013 | CN102994898A Casting method of C12A material casting piece for supercritical unit |
| 03/27/2013 | CN102994897A High-resisting material frame made of low-chromium cast iron |
| 03/27/2013 | CN102994896A Sintered alloy and manufacturing method thereof |
| 03/27/2013 | CN102994895A Microalloyed high-strength high-toughness steel for geological drilling and production technology thereof |
| 03/27/2013 | CN102994894A Method for producing alloy steel material for drill bit |
| 03/27/2013 | CN102994893A Power metallurgy tool steel |
| 03/27/2013 | CN102994892A Preparation method of swing check valve plate |
| 03/27/2013 | CN102994891A Method for preparing valve rod of plug valve |
| 03/27/2013 | CN102994890A Casting method of valve body of anti-explosion valve |
| 03/27/2013 | CN102994889A Preparation method for diaphragm valve body through cast molding |
| 03/27/2013 | CN102994888A Novel high-chromium ferritic heat resistant steel and thermo-mechanical treatment process |
| 03/27/2013 | CN102994887A Preparation method of rotor material of cam rotor pump |
| 03/27/2013 | CN102994886A Method for casting valve plate of stop valve |
| 03/27/2013 | CN102994885A Method for casting valve base of plug valve |
| 03/27/2013 | CN102994884A Efficient preparation method for nanostructure oxide dispersion strengthening steel |
| 03/27/2013 | CN102994883A High-strength reinforced bar and production method for same |
| 03/27/2013 | CN102994882A Preparation method of powder metallurgy flange |
| 03/27/2013 | CN102994881A Powder metallurgy flange |
| 03/27/2013 | CN102994880A Wear-resistant ferroalloy of powder metallurgy brake caliper and preparation method thereof |
| 03/27/2013 | CN102994879A Ceramimetallurgical oil-free lubrication bearing and manufacturing method thereof |
| 03/27/2013 | CN102994878A High-strength fastener for electric wire |
| 03/27/2013 | CN102994877A Metal ceramic friction material |
| 03/27/2013 | CN102994876A Hot-rolled steel plate for oil-gas pipeline compression station and production method thereof |
| 03/27/2013 | CN102994875A Weathering steel and manufacturing method thereof |
| 03/27/2013 | CN102994874A High crack-arresting toughness steel plate with yield strength of 500MPa and production method thereof |
| 03/27/2013 | CN102994873A Production method of yield strength 250MPa-grade cold-rolled magnetic pole steel |
| 03/27/2013 | CN102994872A Steel excellent in toughness of base metal and weld-heat affected zone and method for manufacturing the same |
| 03/27/2013 | CN102994871A Method for smelting medium/high-carbon hard-wired steel by vanadium-titanium containing molten iron |
| 03/27/2013 | CN102994692A High-boron high-speed steel roller material and smelting process thereof |
| 03/27/2013 | CN102991449A Force-limiting torsion bar in relation to automobile safety belt |