| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 07/31/2013 | CN103225041A Production method of easily-shaped high-strength medium-thickness steel plate |
| 07/31/2013 | CN103225040A Production method of easily-shaped high-strength medium-thickness steel plate |
| 07/31/2013 | CN103225034A Method for improving yielding rate of ultra pure ferrite stainless steel titanium |
| 07/31/2013 | CN103223489A Method for manufacturing eccentric wheel through powder metallurgy |
| 07/31/2013 | CN102974991B Manufacturing method for tool for machining heat treatment deformation circular-disc blade |
| 07/31/2013 | CN102703807B Steel with minus 80-degree C impact absorbing energy no less than 100J for ocean engineering and production method thereof |
| 07/31/2013 | CN102676943B Copper bearing antimicrobial duplex stainless steel |
| 07/31/2013 | CN102676918B Hot rolled steel plate for hot-dip galvanizing pot and production method of hot rolled steel plate |
| 07/31/2013 | CN102666884B Production method for thick steel plate |
| 07/31/2013 | CN102634733B Composite roll having uniform roll surface hardness and made of high-speed steel containing boron and method for manufacturing composite roll |
| 07/31/2013 | CN102634732B Smelting method of high-carbon chromium bearing steel |
| 07/31/2013 | CN102618795B Smelting process of nitrogenous high alloy heat-resistant steel ZG3Cr24Ni7N |
| 07/31/2013 | CN102605287B Steel for high-ductility anti-seismic structure with yield ratio smaller than or equal to 0.70 and production method of steel |
| 07/31/2013 | CN102586675B Ultra-high strength package binding band with tensile strength more than or equal to 1250MPa, and manufacturing method of package binding band |
| 07/31/2013 | CN102560258B Low-carbon high-boron cast wear-resistant alloy steel and preparation method thereof |
| 07/31/2013 | CN102560236B Preparation method of common oriented silicon steel |
| 07/31/2013 | CN102534398B Ferroboron-containing alloy wear-resistant material and preparation method thereof |
| 07/31/2013 | CN102534358B Manufacturing method of high-coercivity R-Fe-B sintered permanent magnet material |
| 07/31/2013 | CN102517491B Cylinder barrel of oil cylinder of crane and processing process thereof |
| 07/31/2013 | CN102513532B Amorphous powder for diamond tool and manufacture method thereof |
| 07/31/2013 | CN102465236B Method for producing X70 or X80 high-strain steel tube |
| 07/31/2013 | CN102433517B High-temperature and high-sulfur wear-resistant alloy and application thereof |
| 07/31/2013 | CN102418047B Non-quenched and tempered fatigue-resistant steel plate and manufacturing method thereof |
| 07/31/2013 | CN102330037B Alloy roller with high abrasion resistance and high heat resistance |
| 07/31/2013 | CN102330033B Low-cost austenitic stainless steel with excellent corrosion resistance |
| 07/31/2013 | CN102312174B Non-tempered high-strength wear-resisting steel and production method thereof |
| 07/31/2013 | CN102268594B Oil well pipe capable of expanding at large deformation and manufacturing method thereof |
| 07/31/2013 | CN102245789B High-purity ferritic stainless steel having excellent corrosion resistance, and method for producing same |
| 07/31/2013 | CN102162068B Spring steel and manufacturing and thermal treatment method thereof |
| 07/31/2013 | CN102071357B Melting method of nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar |
| 07/31/2013 | CN101928876B TRIP/TWIP high strength plastic automotive steel with excellent processability and preparation method thereof |
| 07/31/2013 | CN101906594B 900MPa level yield strength quenched and tempered steel plate and manufacturing method thereof |
| 07/31/2013 | CN101634002B Free-cutting alloy tool steel |
| 07/31/2013 | CN101400815B Steel sheet for submerged arc welding |
| 07/30/2013 | US8496763 Seamless steel tube for an airbag accumulator and process for its manufacture |
| 07/30/2013 | CA2752741C Method for manufacturing seamless pipes |
| 07/30/2013 | CA2565162C Steel with high mechanical strength and wear resistance |
| 07/30/2013 | CA2544695C Thin gauge steel sheet and method for producing the same |
| 07/30/2013 | CA2451147C Pearlitic steel rail excellent in wear resistance and ductility and method for producing the same |
| 07/25/2013 | WO2013108861A1 Steel strip for coiled tubing and method for producing same |
| 07/25/2013 | WO2013108830A1 Method for producing r-t-b sintered magnet |
| 07/25/2013 | WO2013108828A1 Rolled wire rod, and method for producing same |
| 07/25/2013 | WO2013108785A1 Method for preventing yellow discolouration of surface of acid-cleaned steel sheet |
| 07/25/2013 | WO2013108642A1 Iron powder for magnetic compact, magnetic compact, method for producing iron powder for magnetic compact, and method for producing magnetic compact |
| 07/25/2013 | WO2013108419A1 Process for producing tapered plate |
| 07/25/2013 | WO2013107922A1 An austenitic stainless steel product and a method for manufacturing same |
| 07/25/2013 | WO2013107864A1 Method for producing a weather resistant hot-rolled high strength structural steel product and a weather resistant hot-rolled high strength structural steel product |
| 07/25/2013 | WO2013107763A1 Austenitic alloy |
| 07/25/2013 | WO2013107730A1 Nickel-free iron alloy for stents |
| 07/25/2013 | US20130189147 Bearing steel being excellent both in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property |
| 07/25/2013 | US20130189146 Low-alloyed steel and components made thereof |
| 07/25/2013 | US20130186529 Steel part for machine structural use and manufacturing method thereof |
| 07/25/2013 | US20130186528 Steel part for machine structural use and manufacturing method thereof |
| 07/25/2013 | US20130186526 Hot-rolled steel sheet having excellent cold formability and hardenability and method for manufacturing the same |
| 07/25/2013 | US20130186521 Profiled steel wire with high mechanical characteristics resistant to hydrogen embrittlement |
| 07/25/2013 | DE102012111679A1 Niedrig legierter Stahl und damit hergestellte Bauteile Low alloy steel and thus produced components |
| 07/25/2013 | CA2863508A1 Austenitic alloy |
| 07/24/2013 | EP2618349A1 Method for producing rare-earth magnet |
| 07/24/2013 | EP2617858A1 Austenitic alloy |
| 07/24/2013 | EP2617857A1 Thick welded steel pipe having excellent low-temperature toughness, method for producing thick welded steel pipe having excellent low-temperature toughness, and steel sheet for producing thick welded steel pipe |
| 07/24/2013 | EP2617856A1 Precipitation hardening martensitic stainless steel, and steam turbine long blade, steam turbine, and power plant using the same |
| 07/24/2013 | EP2617855A2 Low alloyed steel and components produced therefrom |
| 07/24/2013 | EP2617854A1 Heat-resistant ferrite-type stainless steel plate having excellent oxidation resistance |
| 07/24/2013 | EP2617853A1 High-strength hot-rolled steel sheet having superior fatigue resistance properties and method for producing same |
| 07/24/2013 | EP2617852A1 High-strength hot-rolled steel sheet having excellent bending workability and method for producing same |
| 07/24/2013 | EP2617851A1 High-strength hot-rolled steel sheet having superior punchability and method for producing same |
| 07/24/2013 | EP2617850A1 High-strength hot rolled steel sheet having excellent toughness and method for producing same |
| 07/24/2013 | EP2617849A1 High-strength steel sheet with excellent ductility and stretch flangeability, high-strength galvanized steel sheet, and method for producing both |
| 07/24/2013 | EP2617848A1 Bearing steel |
| 07/24/2013 | EP2617840A2 High-carbon hot-rolled steel sheet, cold-rolled steel sheet and a production method therefor |
| 07/24/2013 | EP2617839A1 Nickel-free iron alloy for stents |
| 07/24/2013 | EP2616565A1 Steel piston for internal combustion engines |
| 07/24/2013 | CN103221581A Steel sheet for hot pressing and method for producing hot-ressed member using steel sheet for hot pressing |
| 07/24/2013 | CN103221567A Steel sheet of strain aging hardening type with excellent aging resistance after paint baking and process for producing same |
| 07/24/2013 | CN103221566A Non-heat-treated steel for soft nitriding, and soft-itrided component |
| 07/24/2013 | CN103221565A Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 07/24/2013 | CN103221564A Electron beam welded joint, steel material for electron beam welding, and manufacturing method thereof |
| 07/24/2013 | CN103221563A Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 07/24/2013 | CN103221562A High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor |
| 07/24/2013 | CN103221561A Steel for wheel |
| 07/24/2013 | CN103216288A Intake/exhaust valve seat of ethanol gasoline engine |
| 07/24/2013 | CN103215534A Production process of high strength hot dip galvanized sheet |
| 07/24/2013 | CN103215527A High-strength and high-toughness X100 pipeline hot rolled steel sheet and production method thereof |
| 07/24/2013 | CN103215526A Centrifugally-cast high-carbon high-alloy steel and heat treatment method thereof |
| 07/24/2013 | CN103215525A Alloy steel for bolt |
| 07/24/2013 | CN103215524A Stainless steel welded pipe with excellent pipe processability and manufacturing method thereof |
| 07/24/2013 | CN103215523A High-speed train alloy cast steel brake disc material and smelting process thereof |
| 07/24/2013 | CN103215522A Low-carbon nickel-iron-chromium alloy stainless-steel seamless pipe |
| 07/24/2013 | CN103215521A Precipitation hardening martensitic stainless steel, and steam turbine long blade, steam turbine, and power plant using the same |
| 07/24/2013 | CN103215520A Scraper corrosion-resistant ledge casting material |
| 07/24/2013 | CN103215519A Main steam pipeline for supercritical thermal power generating unit |
| 07/24/2013 | CN103215518A Seamless steel tube material for rare-earth-containing H2S corrosion-resistant pipeline, and production method thereof |
| 07/24/2013 | CN103215517A Seamless steel pipe for rare-earth-containing humidity-resistant and H2S corrosion resistant L485QS pipeline and production method thereof |
| 07/24/2013 | CN103215516A 700MPa high strength hot rolling Q&P steel and manufacturing method thereof |
| 07/24/2013 | CN103215515A Soft tin plate and production method thereof |
| 07/24/2013 | CN103215514A Cold rolling working roll for cold rolling silicon steel and manufacturing method thereof |
| 07/24/2013 | CN103215513A Corrosion-resistant gathering and transportation line pipe and manufacturing method thereof |
| 07/24/2013 | CN103215512A Pressure vessel steel 12Cr2Mo1R and production technology of 150mm thick pressure vessel steel 12Cr2Mo1R plate |
| 07/24/2013 | CN103215511A Acid-washing production process for stainless steel |
| 07/24/2013 | CN103215510A Novel automobile axle housing and preparation method thereof |