Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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03/14/2012 | CN102373385A Low-nickel austenite heatproof cast steel and smelting method thereof |
03/14/2012 | CN102373384A High-strength high-toughness wear-resistant steel plate and manufacturing method thereof |
03/14/2012 | CN102373383A X70 pipeline steel hot rolled coil and manufacture method thereof |
03/14/2012 | CN102373382A Standard sample for Young's modulus performance detection, and preparation method thereof |
03/14/2012 | CN102373381A Method for manufacturing excellent austenitic stainless steel seamless steel tube |
03/14/2012 | CN102373380A High-intensity drilling tool steel and preparation method thereof |
03/14/2012 | CN102373379A Production process of high-temperature-resistant corrosion-resistant high-strength stainless steel tube |
03/14/2012 | CN102373378A Wear-resistant surfacing welding material for spiral surface of wood screw extrusion machine |
03/14/2012 | CN102373377A High temperature oxidation resistant and high corrosion resistant martensite stainless steel |
03/14/2012 | CN102373376A High-silicon high-manganese hot-work die steel and preparation method thereof |
03/14/2012 | CN102373375A Manufacture process of high-performance austenitic steel pipes |
03/14/2012 | CN102373374A High strength sulfur resisting casing pipe and its heat treatment manufacturing method |
03/14/2012 | CN102373373A Cold rolled and hardened strip steel product |
03/14/2012 | CN102373372A High temperature resistant steel for oil well pipe and its manufacturing method |
03/14/2012 | CN102373371A Method for raising large heat input weldability of thick steel plate |
03/14/2012 | CN102373370A Steel for oil gas conveying pipe fittings |
03/14/2012 | CN102373369A Steel for oil and gas transmission pipe fitting |
03/14/2012 | CN102373368A Steel for petroleum casing pipe and manufacturing method thereof |
03/14/2012 | CN102373367A Cold-rolled electromagnetic steel plate for rapid cycling synchrotron and manufacturing method thereof |
03/14/2012 | CN102373366A Method for improving coarse grains on surface of non-oriented silicon steel |
03/14/2012 | CN102373359A Method for producing alloy steel powder special for automobile engines |
03/14/2012 | CN102373324A Heat treatment process of hot-rolled steel tube |
03/14/2012 | CN101932736B Process for manufacturing martensite stainless steel pipe |
03/14/2012 | CN101880825B Ultrafine grained hot rolled dual-phase steel with tensile strength of above 750MPa and manufacturing method of plate thereof |
03/14/2012 | CN101745786B Forging method of water supply connecting tube and secondary side manhole |
03/14/2012 | CN101509096B Grinder hammerhead and manufacturing method thereof |
03/14/2012 | CN101484600B High-strength steel pipe with excellent low-temperature toughness for line pipe, high-strength steel plate for line pipe, and processes for producing these |
03/14/2012 | CN101481780B Easy-to-weld superfine austenite crystal steel with superhigh intensity and high tenacity and manufacturing method thereof |
03/14/2012 | CN101421430B Cold-working steel |
03/13/2012 | US8133544 High-strength quenched formed body with good corrosion resistance and process for producing the same |
03/13/2012 | US8133431 Austenitic stainless steel |
03/13/2012 | US8133330 High yield ratio and high-strength hot-dip galvanized steel sheet excellent in workability and production method thereof |
03/13/2012 | CA2627806C Iron-based alloy having shape memory properties and superelasticity and its production method |
03/13/2012 | CA2564420C Seamless steel tubes and method for producing the same |
03/13/2012 | CA2539072C Hot rolled steel sheet for processing and method for manufacturing the same |
03/13/2012 | CA2529736C High strength steel sheet excellent in formability and method for producing the same |
03/10/2012 | CA2738137A1 Fuel injector clamp |
03/08/2012 | WO2012029945A1 High-strength steel sheet having excellent fracture resistance performance and hic resistance performance |
03/08/2012 | WO2012029812A1 Steel wire material for high-strength spring which has excellent wire-drawing properties and process for production thereof, and high-strength spring |
03/08/2012 | WO2012029632A1 Method for producing cold-rolled steel sheet, cold-rolled steel sheet, and vehicle member |
03/08/2012 | WO2012029631A1 Method for producing cold-rolled steel sheet, cold-rolled steel sheet, and vehicle member |
03/08/2012 | WO2012029621A1 Method for producing non-oriented magnetic steel sheet |
03/08/2012 | WO2012029527A1 Alloy material for r-t-b-based rare earth permanent magnet, production method for r-t-b-based rare earth permanent magnet, and motor |
03/08/2012 | WO2012029395A1 Steel for induction hardening and crankshaft manufactured using same |
03/08/2012 | WO2012029212A1 Bearing steel and ingot material for bearing having high rolling fatigue life characteristics and method for manufacturing same |
03/08/2012 | WO2012028224A1 Method for hot forming a coated metal part and formed part |
03/08/2012 | WO2012028111A1 Steel rail for high speed and quasi-high speed railways and manufacturing method thereof |
03/08/2012 | WO2012027809A1 Low-carbon steel composition for the purpose of electrical conduction in electrolytic reduction cells and the like |
03/08/2012 | US20120058710 Alloy cast iron for producing a seal, seal, and method for producing such a seal |
03/08/2012 | US20120058003 Nd-Fe-B PERMANENT MAGNETIC MATERIAL AND PREPARATION METHOD THEREOF |
03/08/2012 | US20120055873 Green synthesis of nanometals using plant extracts and use thereof |
03/08/2012 | CA2810167A1 High-strength steel sheet having improved resistance to fracture and to hic |
03/08/2012 | CA2809187A1 Method for hot forming a coated metal part and formed part |
03/07/2012 | EP2426230A1 High-strength hot-dip zinc-coated steel sheet having excellent workability, weldability and fatigue properties, and process for production thereof |
03/07/2012 | EP2426226A2 Iron-nickel based alloy for high temperature use |
03/07/2012 | EP2069547B1 Steel composition for special uses, in particular in the automotive field |
03/07/2012 | EP1486580B1 Atmosphere corrosion resisting steel plate having high strength and excellent bending formability and method for production thereof |
03/07/2012 | CN102369305A High-strength galvanized steel sheet and method for manufacturing the same |
03/07/2012 | CN102369304A Hot work tool steel with outstanding toughness and thermal conductivity |
03/07/2012 | CN102369303A Zinc based alloy coated steel having superior resistance to liquid metal embrittlement and cracking |
03/07/2012 | CN102369300A Method for producing high-strength cr-ni alloy seamless pipe |
03/07/2012 | CN102367581A Multifunctional crown block breaking head |
03/07/2012 | CN102367561A Centrifugal casting method of engine cylinder linder |
03/07/2012 | CN102367560A High-strength corrosion-resisting straight welded pipe steel and manufacture method thereof |
03/07/2012 | CN102367559A Hot alkali corrosion resistant alloy coating for carbon steel container |
03/07/2012 | CN102367558A Boric low alloy wear resistant steel for pump |
03/07/2012 | CN102367557A Stainless steel material of radiator heat pipe |
03/07/2012 | CN102367556A Drilling steel and preparation method thereof |
03/07/2012 | CN102367555A High grade corrosion resistant raw material pipe blank for offshore oil platform |
03/07/2012 | CN102367554A High-performance quenched and tempered steel plate used in engineering machinery, and production technology thereof |
03/07/2012 | CN102367553A Manufacturing method of martensite stainless steel seamless steel pipe |
03/07/2012 | CN102367552A Stainless steel pipe and preparation method thereof |
03/07/2012 | CN102367551A Ferrite stainless steel material for heat exchanger plate |
03/07/2012 | CN102367550A Rare-earth-containing wet H2S corrosion resisting steel pipe used in heat exchanger, and production method thereof |
03/07/2012 | CN102367549A Bar for large wind driven generator gear and manufacturing method of bar |
03/07/2012 | CN102367548A Method for producing ferrite stainless steel pipe |
03/07/2012 | CN102367547A Manufacture method of high-silicon aluminum content non-oriented silicon steel strip |
03/07/2012 | CN102367546A Control method for coast atmospheric corrosion resistant scale on surface of boat deck |
03/07/2012 | CN102367545A A572Gr50 boron-added-steel steel plate and production method thereof |
03/07/2012 | CN102367544A High strength and toughness structural steel S355K2Z35 slab and production method thereof |
03/07/2012 | CN102367543A Boron steel ASTMA36-B medium and heavy plate and production process thereof |
03/07/2012 | CN102367542A Deformation aging performance-guaranteed S355K2-Z35 moderately thick plate and production method thereof |
03/07/2012 | CN102367541A 65mm Q345GJCZ35 steel plate and production method thereof |
03/07/2012 | CN102367540A Deep sea pipeline steel produced based on steckel mill and preparation method thereof |
03/07/2012 | CN102367539A Low-alloy Q390C thick plate and its production method |
03/07/2012 | CN102367538A Super-thick low alloy high strength Q345C steel plate and production method thereof |
03/07/2012 | CN102366830A Casting method of boron-containing roller |
03/07/2012 | CN101871083B Ultra-thick low-alloy high-strength Q345-series steel plate and production method thereof |
03/07/2012 | CN101778964B Insulating coating treatment liquid for grain oriented electromagnetic steel sheet and process for manufacturing grain oriented electromagnetic steel sheet with insulating coating |
03/07/2012 | CN101658930B Water atomizing steel powder used for high-compressibility sintering hardening and production method thereof |
03/07/2012 | CN101092679B Method for quick processing iron based shape memory alloy under large current impulse |
03/06/2012 | US8128763 Exterior panels for automobile bodies ; homogenizing heat treatment |
03/06/2012 | US8128762 High-strength steel sheet superior in formability |
03/06/2012 | CA2718304C High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability,and methods for manufacturing the same |
03/06/2012 | CA2620054C Seamless steel pipe for line pipe and a process for its manufacture |
03/01/2012 | WO2012027552A1 Processable high thermal neutron absorbing fe-base alloys |
03/01/2012 | WO2012026591A1 Method for heat-treating structural material and heat-treated structural material |
03/01/2012 | WO2012026419A1 Cold-rolled steel sheet and process for production thereof |
03/01/2012 | WO2012026344A1 Cr-containing austenite alloy pipe and production method for same |
03/01/2012 | WO2012024939A1 Method for improving surface coarse grain of non-oriented silicon steel |