| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/02/2013 | CN102851619A Sparkless iron alloy material |
| 01/02/2013 | CN102851618A Low nickel stainless steel alloy material and preparation method thereof |
| 01/02/2013 | CN102851617A X120-grade pipeline steel and production method of hot rolled plate coil thereof |
| 01/02/2013 | CN102851616A 60 Kg-scale low temperature-quenched and tempered steel plate with good weldability and manufacture method thereof |
| 01/02/2013 | CN102851615A Tensile strength 800 MPa grade structure steel plate with low yield ratio and manufacture method thereof |
| 01/02/2013 | CN102851614A X80 pipeline steel hot-rolled coil with low yield ratio and manufacture method thereof |
| 01/02/2013 | CN102851613A Hot-rolled steel plate for ocean riser with low cost and high performance and production method thereof |
| 01/02/2013 | CN102851612A Wear-resistant steel and thermal processing method thereof |
| 01/02/2013 | CN102851611A Ultrahigh toughness steel plate for deep-water pressure resistant shell and manufacture method thereof |
| 01/02/2013 | CN102851610A Improved structural material martensite heat-resistant steel and manufacture method thereof |
| 01/02/2013 | CN102851609A Material used in offshore wind power equipment, and workpiece manufacturing process |
| 01/02/2013 | CN102851608A Steel for hot tooling, and part produced from steel, method for production thereof, and uses of same |
| 01/02/2013 | CN102851607A 110 ksi-Grade oil sleeve having high resistance to CO2 corrosion and its preparation method |
| 01/02/2013 | CN102851606A Low cost double phase stainless steel material for valve, and preparation method thereof |
| 01/02/2013 | CN102851605A HRB600E reinforcement steel bar and production method thereof |
| 01/02/2013 | CN102851604A Production method of high-strength steel plate with yield strength of 690MPa |
| 01/02/2013 | CN102851603A Stainless steel band for spinner reeds |
| 01/02/2013 | CN102851602A Low nickel stainless steel alloy material |
| 01/02/2013 | CN102851601A Steel for machine structure use for surface hardening and steel part for machine structure use |
| 01/02/2013 | CN102851600A Low-temperature X65 pipeline steel with high toughness and manufacture method thereof |
| 01/02/2013 | CN102851599A Thick-wall low-cost X65 hot rolled coil for spiral welded tubing and manufacture method thereof |
| 01/02/2013 | CN102851598A Wear-resistant iron alloy for aviation, and centrifugation casting method thereof |
| 01/02/2013 | CN102851597A Anti-abrasion sink roller shaft sleeve and manufacturing method thereof |
| 01/02/2013 | CN102851596A Fire resistant steel plate for 490 MPa grade building structure with low cost and manufacture method thereof |
| 01/02/2013 | CN102851595A Steel for drill collar with high toughness and heat treatment method thereof |
| 01/02/2013 | CN102851594A Low-cost smelting silicon-controlling method for hydro-chrome-molybdenum steel |
| 01/02/2013 | CN102851593A Low carbon cast steel pellet |
| 01/02/2013 | CN102851592A High-shock-resistance bearing |
| 01/02/2013 | CN102851591A High-strength high-toughness low temperature steel for ship and manufacture method thereof |
| 01/02/2013 | CN102851590A Acid resistant low manganese X70 pipeline steel and production method thereof |
| 01/02/2013 | CN102851589A Steel for low temperature structure with low yield ratio and capable of performing ultrahigh heat input and manufacture method thereof |
| 01/02/2013 | CN102851588A High-strength antirust bolt |
| 01/02/2013 | CN102851587A Anti-deformation X80-X100 pipeline steel plate and manufacturing method thereof |
| 01/02/2013 | CN102851586A Engineering steel with drop hammer fracture fiber rate being more than 95% and production method thereof |
| 01/02/2013 | CN102851585A Niobium-containing large-sized high-strength angle iron and production technology thereof |
| 01/02/2013 | CN102851584A Niobium-containing large-sized high-strength angle iron and production technology thereof |
| 01/02/2013 | CN102851583A Hot-rolled flat plate for X70 grade high erosion resistant heat-bending pipe and production method thereof |
| 01/02/2013 | CN102851582A Corrosion-resistant steel for acidic crude oil storage tank and its manufacturing method |
| 01/02/2013 | CN102851581A HRB700 steel bar and production method thereof |
| 01/02/2013 | CN102851580A HRB600E aseismic reinforcement steel bar and production method thereof |
| 01/02/2013 | CN102851579A Nb-containing micro-alloyed high-carbon steel hot-rolled wire rod and manufacturing method thereof |
| 01/02/2013 | CN102851578A Steel plate with super-large thickness for nuclear power engineering equipment and production method thereof |
| 01/02/2013 | CN102851577A High grade non-oriented silicon steel produced by continuous casting and rolling of sheet billet and production method thereof |
| 01/02/2013 | CN102851576A Hydraulic plunger pump/hydraulic plunger motor cylinder body material and preparation method |
| 01/02/2013 | CN102851565A Highly wear-resistant special metal material cast steel and manufacturing method thereof |
| 01/02/2013 | CN102851476A Construction-use HPB300 hot-rolled straight steel bar and preparation method thereof |
| 01/02/2013 | CN102851470A Heat treatment technique capable of overcoming bulky or cellular precipitation of superhigh-carbon steel carbide |
| 01/02/2013 | CN102847912A Sprue nozzle head jointed sprue pipe and method for processing same |
| 01/02/2013 | CN102847891A Preparation method of medium carbon alloy steel |
| 01/02/2013 | CN102409246B Bainite cylinder jacket lining and preparation method thereof |
| 01/02/2013 | CN102319897B Manufacturing method of spray formed high-vanadium high-speed steel composite roller |
| 01/02/2013 | CN102286696B Preparation method of extra-deep drawing dual-phase steel with high plastic strain ratio |
| 01/02/2013 | CN102268599B Production technology of non-modulated plastic die steel thick plate |
| 01/02/2013 | CN102242309B Production method of boron-containing petroleum storage tank steel plate for ultra-high heat input welding |
| 01/02/2013 | CN102230120B High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof |
| 01/02/2013 | CN102220538B Sintered neodymium-iron-boron preparation method capable of improving intrinsic coercivity and anticorrosive performance |
| 01/02/2013 | CN102206791B Mo-containing ferritic stainless steel and manufacturing method thereof |
| 01/02/2013 | CN102181806B Thick chromium-molybdenum steel plate for hydrogenation equipment and production method thereof |
| 01/02/2013 | CN102174685B 800 MPa grade cold-rolling dual-phase steel and manufacturing method thereof |
| 01/02/2013 | CN102134682B Wear resistant steel plate |
| 01/02/2013 | CN102080188B CrNiMo series easily cut pinion steel and manufacturing method thereof |
| 01/02/2013 | CN102021490B X12CrMoWVNbN10-1-1 high-temperature structural steel and production method thereof |
| 01/02/2013 | CN101962727B Method for preparing sigma-phase FeV50 |
| 01/02/2013 | CN101956139B High-strength cold-rolled steel sheet with yield strength level of 700MPa and manufacturing method thereof |
| 01/02/2013 | CN101956130B Large-thickness rolled steel plate instead of case one for large-sized ball mill and production method thereof |
| 01/02/2013 | CN101925687B Steel for machine structural use with excellent machinability |
| 01/02/2013 | CN101925685B High-strength thick steel products excellent in toughness and weldability, high-strength ultra-thick h shape steel and processes for manufacturing both |
| 01/02/2013 | CN101906569B Anti-large-deformation pipe line steel prepared by thermal treatment method and preparation method thereof |
| 01/02/2013 | CN101886229B Ball dedicated for semi-autogenous mill and process method thereof |
| 01/02/2013 | CN101864543B Ball for air swept mill and processing method thereof |
| 01/02/2013 | CN101845605B Austenitic stainless steel plate with excellent strength at medium and low temperature and manufacturing method thereof |
| 01/01/2013 | US8343288 Cold rolled steel sheet |
| 01/01/2013 | US8343255 Forged product and crankshaft manufactured from it |
| 12/27/2012 | WO2012176834A1 Pressure ring and fabrication method therefor |
| 12/27/2012 | WO2012176802A1 Method for producing austenitic stainless steel and austenitic stainless steel material |
| 12/27/2012 | WO2012176586A1 Carburization-resistant metal material |
| 12/27/2012 | WO2012176513A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176512A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176511A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 12/27/2012 | WO2012176510A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 12/27/2012 | WO2012176509A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 12/27/2012 | WO2012175814A1 Method for producing a steel tube and a highly formable and high strength multiphase steel tube |
| 12/27/2012 | WO2012175757A1 Method for producing mixed oxides and permanent magnetic particles |
| 12/27/2012 | WO2012175067A1 Heat-resistant iron-chromium-aluminium alloy with low chromium vaporization rate and elevated thermal stability |
| 12/27/2012 | WO2012141205A3 L10-TYPE FeNi ALLOY PARTICLES AND PRODUCTION METHOD THEREFOR, AND MAGNETIC COMPOSITION AND MAGNET |
| 12/27/2012 | WO2011150992A8 Articulated chain comprising link plates made of boron-manganese steel |
| 12/27/2012 | US20120328901 High tensile steel sheet superior in formability and method of manufacturing the same |
| 12/27/2012 | US20120328897 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| 12/27/2012 | US20120328871 Strip, Sheet or Blank Suitable for Hot Forming and Process for the Production Thereof |
| 12/27/2012 | US20120328467 Method for the production of mixed oxides and permanent magnetic particles |
| 12/27/2012 | US20120328466 Low-chromium stainless steel excellent in corrosion resistance of weld |
| 12/27/2012 | DE102012004488A1 Hitzebeständige Eisen-Chrom-Aluminium-Legierung mit geringer Chromverdampfungsrate und erhöhter Warmfestigkeit Heat resistant iron-chromium-aluminum alloy with low chromium evaporation rate and elevated temperature strength |
| 12/27/2012 | DE102010056264B4 Verfahren zum Erzeugen gehärteter Bauteile A method for producing hardened components |
| 12/27/2012 | CA2839876A1 Austenitic stainless steel and method for producing austenitic stainless steel material |
| 12/27/2012 | CA2830155A1 Carburization resistant metal material |
| 12/26/2012 | EP2537958A1 Non-oriented electromagnetic steel sheet and process for production thereof |
| 12/26/2012 | EP2537952A1 Free-cutting stainless-steel cast product and process for producing same |
| 12/26/2012 | EP2537947A1 Manufacturing method for grain-oriented electromagnetic steel sheet |
| 12/26/2012 | EP2537946A1 Manufacturing method for grain-oriented electromagnetic steel sheet |
| 12/26/2012 | EP2536862A1 A master alloy for producing sinter hardened steel parts and process for the production of sinter hardened parts |