| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/25/2013 | CN102632296B Cutting head of diamond saw blade for cutting metal |
| 12/25/2013 | CN102618782B Large-specification Z-direction H-steel and preparation method thereof |
| 12/25/2013 | CN102605283B Low-cost, high-toughness and low-temperature pressure vessel steel and manufacturing method thereof |
| 12/25/2013 | CN102605273B Steel bonded hard alloy and preparation method thereof |
| 12/25/2013 | CN102605253B Low-cost, high-strength and high-toughness steel plate and production technology thereof |
| 12/25/2013 | CN102605243B Wind power H-beams and production method thereof |
| 12/25/2013 | CN102605238B 50kg grade normalized steel plate with good SR (stress relieving annealing) resistance characteristic and manufacturing method thereof |
| 12/25/2013 | CN102601282B Z2CND18-12N control nitrogen stainless steel forging technology |
| 12/25/2013 | CN102560256B Fire-resistant weather-resistant steel with excellent low temperature toughness and preparation method for fire-resistant weather-resistant steel |
| 12/25/2013 | CN102433507B Low yield ratio and high strength weldable steel plate and preparation technology thereof |
| 12/25/2013 | CN102395695B Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing same |
| 12/25/2013 | CN102365381B Cast product having alumina barrier layer |
| 12/25/2013 | CN102149840B High-strength steel plate and manufacturing method thereof |
| 12/25/2013 | CN102051523B High-strength vehicle drive shaft pipe material and shaft pipe manufacturing method |
| 12/25/2013 | CN101370606B Rare earth sintered magnet and method for producing same |
| 12/25/2013 | CN101331566B R-Fe-B rare earth sintered magnet and method for producing same |
| 12/24/2013 | US8613819 Method for producing quenched components consisting of sheet steel |
| 12/24/2013 | US8613809 High cleanliness spring steel and high cleanliness spring excellent in fatigue properties |
| 12/24/2013 | DE112012000408T5 Stahlzahnrad und Herstellungsverfahren dafür Steel gear and manufacturing method thereof |
| 12/24/2013 | DE102012013113A1 Hochfester Mehrphasenstahl und Verfahren zur Herstellung eines Bandes aus diesem Stahl mit einer Mindestzugfestigkleit von 580MPa A high-strength multiple phase steel and methods for making a ribbon of this steel with a Mindestzugfestigkleit of 580MPa |
| 12/19/2013 | WO2013188001A1 High-strength corrosion-resistant tubing for oil and gas completion and drilling applications, and process for manufacturing thereof |
| 12/19/2013 | WO2013187470A1 Rail |
| 12/19/2013 | WO2013187409A1 Seamless steel pipe for hollow spring |
| 12/19/2013 | WO2013187197A1 Process for producing arc-welded structural member |
| 12/19/2013 | WO2013187042A1 Method of continuous annealing of steel strip, and method of manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013187039A1 Method of continuous annealing of steel strip, device for continuous annealing of steel strip, method of manufacturing hot-dip galvanized steel strip, and device for manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013187030A1 High-strength steel sheet, high-strength hot-dip zinc-coated steel sheet, and methods for producing said steel sheets |
| 12/19/2013 | US20130337215 Remanufactured Component And FeA1SiC Thermal Spray Wire For Same |
| 12/19/2013 | US20130336834 Austenitic stainless steel excellent in corrosion resistance and brazeability |
| 12/18/2013 | EP2674241A1 Weld metal with excellent creep characteristics |
| 12/18/2013 | EP2397570B1 Steel plate for line pipes with excellent strength and ductility and process for production of same |
| 12/18/2013 | EP2258507B1 Welded structure having improved resistance to stress corrosion cracking |
| 12/18/2013 | EP1770183B1 Method of producing members using a weldable steel of high strenght and high toughness. |
| 12/18/2013 | CN103459673A Method and device for producing Si-containing cold rolled steel sheet |
| 12/18/2013 | CN103459670A Steel material with rust layer, exhibiting excellent weather resistance even in high-salt environments |
| 12/18/2013 | CN103459656A Sputtering target for magnetic recording film |
| 12/18/2013 | CN103459648A Hot-rolled steel sheet and manufacturing method thereof |
| 12/18/2013 | CN103459647A Hot-rolled steel sheet and production method therefor |
| 12/18/2013 | CN103459646A High-strength cold-rolled steel sheet with excellent local formability, and manufacturing method thereof |
| 12/18/2013 | CN103459645A High-strength hot-rolled steel sheet with excellent local formability, and manufacturing method therefor |
| 12/18/2013 | CN103459644A Stainless steel foil and catalyst carrier for exhaust emission control system using said foil |
| 12/18/2013 | CN103459643A Steel plate with excellent durability for band-shaped die-cutting blade, and band-shaped die-cutting blade |
| 12/18/2013 | CN103459642A Bearing steel with excellent rolling fatigue characteristics, and bearing parts |
| 12/18/2013 | CN103459641A Ferrite stainless steel exhibiting excellent corrosion resistance and strength in weld zones, and tig-welded structure |
| 12/18/2013 | CN103459640A Thick steel sheet having superior fatigue resistance properties in sheet thickness direction, method for producing same, and fillet welded joint using said thick steel sheet |
| 12/18/2013 | CN103459639A Ferritic stainless steel sheet having excellent heat resistance and processability, and method for producing same |
| 12/18/2013 | CN103459638A High-strength steel sheet with excellent workability and manufacturing process therefor |
| 12/18/2013 | CN103459637A Thick steel sheet having superior fatigue resistance properties in direction of sheet thickness, method for producing same, and fillet welded joint using said thick steel sheet |
| 12/18/2013 | CN103459636A 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 |
| 12/18/2013 | CN103459635A Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same |
| 12/18/2013 | CN103459634A Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same |
| 12/18/2013 | CN103459633A Spring steel wire rod having excellent wire drawability and excellent fatigue characteristics after wire drawing, and spring steel wire having excellent fatigue characteristics and excellent spring formability |
| 12/18/2013 | CN103459632A Vanadium-containing powder metallurgical powders and methods of their use |
| 12/18/2013 | CN103459619A Method for winding hot-rolled maraging steel strip |
| 12/18/2013 | CN103459616A Method of heat treating a coated metal strip and heat treated coated metal strip |
| 12/18/2013 | CN103459055A Stainless steel sheet and method for manufacturing same |
| 12/18/2013 | CN103457218A Large steel anchor type strain clamp of aluminum-alloy-cored aluminum formed wire conductor |
| 12/18/2013 | CN103457217A Large steel anchor type strain clamp of aluminum-alloy-cored aluminum strand |
| 12/18/2013 | CN103457216A Large steel anchor type strain clamp of aluminum-alloy-cored aluminum formed wire conductor liner tube |
| 12/18/2013 | CN103457215A Large steel anchor type strain clamp of aluminum-alloy-cored aluminum strand liner tube |
| 12/18/2013 | CN103456451A Method for preparing room temperature high magnetic energy product anti-corrosion sintered NdFeB |
| 12/18/2013 | CN103453304A High-temperature-resistant seamless deformed steel and preparation technology thereof |
| 12/18/2013 | CN103453303A Tensile type seamless deformed steel and preparation technology thereof |
| 12/18/2013 | CN103453275A Oil production spherical air dome and air dome material thereof |
| 12/18/2013 | CN103451589A Amorphous nanocrystalline wear-resistant coating material of agricultural implement soil-contacting part as well as plasma spraying method |
| 12/18/2013 | CN103451576A Novel anticorrosive high-hardness steel pipe |
| 12/18/2013 | CN103451575A Copper-iron alloy material |
| 12/18/2013 | CN103451574A Cast steel material for fixed mast of forklift and preparation method thereof |
| 12/18/2013 | CN103451573A Cavitation corrosion-resistant stainless steel alloy material for water pump impeller and manufacturing method thereof |
| 12/18/2013 | CN103451572A Powder metallurgic piston ring material with good abrasion resistance and preparation method thereof |
| 12/18/2013 | CN103451571A Nickel-chromium-molybdenum-vanadium alloy and turbine component |
| 12/18/2013 | CN103451570A Spiral submerged-arc welded pipe for oil and gas transmission suitable for low temperatures and manufacturing method thereof |
| 12/18/2013 | CN103451569A Corrosion-resistant and high-strength stainless steel material for pump covers and manufacturing method thereof |
| 12/18/2013 | CN103451568A High-carbon stainless steel material for impeller shafts and manufacturing method thereof |
| 12/18/2013 | CN103451567A Stainless steel material with strong corrosion-resisting capacity for water pump shafts and manufacturing method thereof |
| 12/18/2013 | CN103451566A High-strength stainless steel material for pump shafts and manufacturing method thereof |
| 12/18/2013 | CN103451565A Low-temperature-resistant seamless deformed steel and preparation process thereof |
| 12/18/2013 | CN103451564A Processing method of high-strength wear-resistant bucket lip of large excavator |
| 12/18/2013 | CN103451563A High-strength seamless deformed steel and preparation process thereof |
| 12/18/2013 | CN103451562A Quenched large-thickness easy-to-weld Z-direction high-strength steel plate for water and electricity and production method thereof |
| 12/18/2013 | CN103451561A Weather-resistant steel plate capable of performing high heat input welding and production method thereof |
| 12/18/2013 | CN103451560A Steel grade and manufacturing method of X100 steel grade seamless leg pipe for jack-up drilling platform |
| 12/18/2013 | CN103451559A Gas valve alloy material and manufacturing method thereof |
| 12/18/2013 | CN103451558A Nanoscale silicon carbide cast iron alloy material as well as preparation method as well as application thereof |
| 12/18/2013 | CN103451557A Tungsten and molybdenum composite strengthened high-cobalt nickel and high-toughness secondary hardened ultrahigh-strength steel |
| 12/18/2013 | CN103451556A Special rare-earth processed bainite-martensite steel for railway steel rails and manufacturing method of steel |
| 12/18/2013 | CN103451555A Stainless steel material for water pump impeller and preparation method thereof |
| 12/18/2013 | CN103451554A Metal material for valve box, and preparation method thereof |
| 12/18/2013 | CN103451553A Reinforced bar used in ultra-low temperature environments and preparation method thereof |
| 12/18/2013 | CN103451552A Stainless steel material |
| 12/18/2013 | CN103451551A Preparation method of cast steel perforator top tip with high-temperature resistance and corrosion resistance |
| 12/18/2013 | CN103451550A Alloy steel for energy storage flywheel casting and casting method of energy storage flywheel casting |
| 12/18/2013 | CN103451549A 2100 MPa nanometer bainite steel and preparation method thereof |
| 12/18/2013 | CN103451548A Copper-manganese alloy steel |
| 12/18/2013 | CN103451547A High-strength powder metallurgy piston ring material and preparation method thereof |
| 12/18/2013 | CN103451546A High-wear-resisting high-manganese steel and preparation method thereof |
| 12/18/2013 | CN103451545A High-strength cast steel material for fork chuck of forklift and preparation method of high-strength cast steel material |
| 12/18/2013 | CN103451544A Boracic 140 ksi steel grade petroleum casing pipe for deep well and extra-deep well and production method thereof |
| 12/18/2013 | CN103451543A Oil casing for ultra-deep well and production technology thereof |
| 12/18/2013 | CN103451542A Production technique of roller |