| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/18/2013 | CN103451541A Martensite stainless steel applicable to rotor of shield pump of nuclear power station |
| 12/18/2013 | CN103451540A Ultralow-carbon bainite steel plate and preparation method thereof |
| 12/18/2013 | CN103451539A Chromium-saving type aluminum-containing ferrite stainless steel and preparation method thereof |
| 12/18/2013 | CN103451538A High-strength wearproof iron-based powder metallurgy bearing material and preparation method thereof |
| 12/18/2013 | CN103451537A High-weldability low-temperature weather-resistant steel plate and production method thereof |
| 12/18/2013 | CN103451536A Low-cost thick subsea pipeline steel plate and manufacturing method of low-cost thick subsea pipeline steel plate |
| 12/18/2013 | CN103451535A Hot continuous rolling plate strip steel for 510MPa automotive frame and production technology thereof |
| 12/18/2013 | CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof |
| 12/18/2013 | CN103451533A Hot-rolled magnetic yoke steel with yield strength not less than 800Mpa and production method thereof |
| 12/18/2013 | CN103451532A Hot-rolled magnetic yoke steel with yield strength not less than 750Mpa and production method thereof |
| 12/18/2013 | CN103451531A 440MPa of precipitation strengthening-type cold rolled interstitial free (IF) steel containing niobium and production method thereof |
| 12/18/2013 | CN103451530A Hydroelectric normalized high strength steel sheet with great thickness and easy to weld and production method thereof |
| 12/18/2013 | CN103451529A Aluminum-titanium-iron alloy material |
| 12/18/2013 | CN103451528A Steel channel for high-strength low temperature resistant hot-rolled forklift mast and preparation method thereof |
| 12/18/2013 | CN103451527A High-temperature-resistant die |
| 12/18/2013 | CN103451526A 6-8mm high-strength structural steel plate and manufacture method thereof |
| 12/18/2013 | CN103451525A Corrosion-resistant hot-rolled ribbed steel bar with yield strength not less than 600Mpa and production method thereof |
| 12/18/2013 | CN103451524A Lacquer-coated strapping steel having thickness of 0.5 mm and tensile strength of greater than or equal to 1000 MPa, and production method thereof |
| 12/18/2013 | CN103451523A Niobium-containing high-strength fine-grain 700MPa-level hot-rolled dual-phase steel and production method thereof |
| 12/18/2013 | CN103451522A Production method for high-speed alloy tool steel |
| 12/18/2013 | CN103451521A Tin-iron alloy material |
| 12/18/2013 | CN103451520A Q345 engineering steel and production method thereof |
| 12/18/2013 | CN103451519A Cold rolling hot-dip steel with thickness greater than 1.5 mm for folding forming and production method thereof |
| 12/18/2013 | CN103451518A H-section steel with high impact energy absorption value and processing method thereof |
| 12/18/2013 | CN103451517A Steel flat for high-performance farm tools and working tools and processing method of steel flat |
| 12/18/2013 | CN103451516A HRB500 reinforcing steel bar and preparation method thereof |
| 12/18/2013 | CN103451515A Method for controlling AlN inhibitor content in oriented silicon steel |
| 12/18/2013 | CN103451514A Preparing method of Tb-Dy-Ho-Fe giant magnetostrictive material |
| 12/18/2013 | CN103451509A Method for smelting high-strength stainless steel |
| 12/18/2013 | CN103451508A Method for preparing high-strength stainless steel |
| 12/18/2013 | CN103451506A Preparation method of magnesium-iron alloy |
| 12/18/2013 | CN103451503A High-strength alloy |
| 12/18/2013 | CN103451457A Method for preparing high-quality ferronickel |
| 12/18/2013 | CN103451400A Rolling process of hot rolled electrical steel |
| 12/18/2013 | CN103451398A Manufacture method of 50CrVA alloy structural steel type hot rolled round steel bar |
| 12/18/2013 | CN103451397A Carbon steel annealing process |
| 12/18/2013 | CN103451395A Preparation process of chromium alloyed high-magnetic strength and low-iron loss oriented silicon steel |
| 12/18/2013 | CN103447737A Support structure for welding |
| 12/18/2013 | CN103447524A Powder metallurgy valve seat ring and production method thereof |
| 12/18/2013 | CN103447521A High-air-tightness powder alloy piston ring material and preparation method thereof |
| 12/18/2013 | CN103447348A Manufacturing method of stainless steel wire |
| 12/18/2013 | CN103447124A Wear-resistant steel ball |
| 12/18/2013 | CN103447123A Grinding ball special for wet mill |
| 12/18/2013 | CN103445894A Medical stainless-steel vascular stent |
| 12/18/2013 | CN102796962B Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof |
| 12/18/2013 | CN102758129B Method for manufacturing non-spangle galvanized sheet DX54D+Z from aluminum killed steel |
| 12/18/2013 | CN102660714B High-carbon and high-vanadium wear-resistant steel |
| 12/18/2013 | CN102296235B Hot rolled steel plate, production device of hot rolled steel plate, and production method for hot rolled steel plate |
| 12/18/2013 | CN101680064B Metal gasket |
| 12/18/2013 | CN101528971B Hard alloys with dry composition |
| 12/17/2013 | US8609062 Specialty materials processing techniques for enhanced resonant frequency hexaferrite materials for antenna applications and other electronic devices |
| 12/17/2013 | US8608874 Spring steel and method for manufacturing the same |
| 12/17/2013 | US8608873 Stainless steel, cold strip produced from this steel, and method for producing a flat steel product from this steel |
| 12/17/2013 | US8608872 High-strength stainless steel pipe excellent in sulfide stress cracking resistance and high-temperature carbonic-acid gas corrosion resistance |
| 12/17/2013 | US8608871 High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same |
| 12/17/2013 | US8607941 Steel sheet for brake disc, and brake disc |
| 12/17/2013 | CA2591878C Bake-hardening hot-rolled steel sheet with excellent workability and method for manufacturing the same |
| 12/17/2013 | CA2553586C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 12/17/2013 | CA2526483C A method and apparatus for the production of metal compounds |
| 12/12/2013 | WO2013183648A1 Steel wire rod or bar steel |
| 12/12/2013 | WO2013183546A1 Fe-Co-BASED ALLOY SPUTTERING TARGET MATERIAL, AND METHOD FOR PRODUCING SAME |
| 12/12/2013 | WO2013183315A1 Seal ring and process for producing seal ring |
| 12/12/2013 | WO2013183274A1 Three-piece can and method for producing same |
| 12/12/2013 | WO2013182622A1 Steel, sheet steel product and process for producing a sheet steel product |
| 12/12/2013 | WO2013182621A1 Steel, sheet steel product and process for producing a sheet steel product |
| 12/12/2013 | US20130330226 High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same |
| 12/12/2013 | US20130330119 Forged steel and welded structure for components for nuclear power plants |
| 12/12/2013 | US20130327452 High strength steel sheet and method for manufacturing the same |
| 12/12/2013 | US20130327447 High-Strength Corrosion-Resistant Tubing for Oil and Gas Completion and Drilling Applications, and Process for Manufacturing Thereof |
| 12/12/2013 | US20130327446 Maraging steel |
| 12/12/2013 | DE102012113184A9 Sinterlegierung für Ventilsitze und Herstellverfahren von Auslassventilsitzen unter Verwendung derselben Sintered alloy for valve seats and manufacturing of exhaust valve seats using the same |
| 12/11/2013 | EP2671964A1 High-strength cold-rolled steel sheet having excellent processability and high yield ratio, and method for producing same |
| 12/11/2013 | EP2671963A1 High strength large steel forging |
| 12/11/2013 | EP2671962A1 Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same |
| 12/11/2013 | EP2671961A1 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 12/11/2013 | EP2671960A1 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 12/11/2013 | EP2671959A1 Nickel-chromium-molybdenum-vanadium alloy and turbine component |
| 12/11/2013 | EP2671958A1 Method for producing r-t-b system sintered magnet |
| 12/11/2013 | EP2671955A1 Maraging steel |
| 12/11/2013 | EP2671668A1 Weld metal having excellent sensitivity to hydrogen embrittlement resistance |
| 12/11/2013 | EP2671260A2 Structure for forming solar cells |
| 12/11/2013 | EP2670870A1 Process for producing high strength steel, and to a steel produced thereby |
| 12/11/2013 | CN103443962A Battery can for storage battery |
| 12/11/2013 | CN103443320A Bainite-containing high-trength hot-rolled steel plate with excellent isotropic workability and process for producing same |
| 12/11/2013 | CN103443319A 奥氏体系不锈钢 Austenitic stainless steel |
| 12/11/2013 | CN103443318A Austenite system alloy pipe and manufacturing method thereof |
| 12/11/2013 | CN103443317A Steel sheet for hot-tamped member and process for producing same |
| 12/11/2013 | CN103443316A Case hardening steel, method for producing same, and mechanical structural part using case hardening steel |
| 12/11/2013 | CN103443302A Steel pipe quenching method |
| 12/11/2013 | CN103443297A Method for adding zinc to molten steel and process for producing zinc-ontaining steel |
| 12/11/2013 | CN103436880A Preparation method of laser cladding reinforced pick box |
| 12/11/2013 | CN103436878A Laser-cladding reinforced jaw plate and preparation method thereof |
| 12/11/2013 | CN103436823A Method for powder metallurgy preparation of self-lubricating bearing material |
| 12/11/2013 | CN103436822A Preparation method for high-strength cold forging steel rivet with uniform structure properties |
| 12/11/2013 | CN103436821A Preparation method for cold forging steel material used for grade-12.9 fastener |
| 12/11/2013 | CN103436820A Preparation method for cold heading steel material for riveted joint |
| 12/11/2013 | CN103436819A Preparation method for alloy cold forging steel material used for riveted joint |
| 12/11/2013 | CN103436818A Production method for long-lifetime cold-stamping die material |
| 12/11/2013 | CN103436817A Strength-enhanced steel preparation method |
| 12/11/2013 | CN103436816A Manufacturing method of 1Cr18Ni9Ti stainless steel shaft forging |