| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/22/2011 | US7892368 UOE steel pipe excellent in collapse strength and method of production thereof |
| 02/22/2011 | US7892366 Duplex stainless steel alloy and use thereof |
| 02/22/2011 | US7892365 Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof |
| 02/22/2011 | US7891224 Multiple piece roll |
| 02/17/2011 | WO2011019761A1 Feedstock powder for production of high hardness overlays |
| 02/17/2011 | WO2011019270A1 Transverse element for a drive belt and drive belt |
| 02/17/2011 | US20110038750 Net or near net shape powder metallurgy process |
| 02/17/2011 | US20110038749 Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance |
| 02/17/2011 | US20110036469 Steel plate that exhibits excellent low-temperature toughness in base material and weld heat-affected zone and has small strength anisotropy, and manufacturing method thereof |
| 02/17/2011 | DE112009000462T5 Hochfeste Stahlplatte mit hervorragender Beständigkeit gegen ein Entspannungsglühen und hervorragender Kaltzähigkeit High-strength steel plate with excellent resistance to stress-relief annealing and excellent cold resistance |
| 02/17/2011 | DE102010024664A1 Verfahren zum Herstellen eines Bauteils aus einem lufthärtbaren Stahl und ein damit hergestelltes Bauteil A method for manufacturing a component made of a steel and a lufthärtbaren thus produced component |
| 02/17/2011 | CA2770485A1 Feedstock powder for production of high hardness overlays |
| 02/16/2011 | EP2284287A1 Process for production of carburized part and steel part |
| 02/16/2011 | EP2284286A2 Thermal mechanical processing of stainless steel |
| 02/16/2011 | EP2283167A1 Durable iron-chromium-aluminum alloy showing minor changes in heat resistance |
| 02/16/2011 | EP1354970B1 High-strength molten-zinc-plated steel plate excellent in deposit adhesion and suitability for press forming and process for producing the same |
| 02/16/2011 | CN101978088A Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel |
| 02/16/2011 | CN101978087A Blade made of steel alloy |
| 02/16/2011 | CN101978086A Iron-nickle alloy |
| 02/16/2011 | CN101978085A Piston ring material for internal combustion engine |
| 02/16/2011 | CN101978084A High-strength metal sheet for use in cans, and manufacturing method therefor |
| 02/16/2011 | CN101978083A Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet |
| 02/16/2011 | CN101977724A Iron-chromium based brazing filler metal |
| 02/16/2011 | CN101974873A Method for processing pivoting support ring rail of mining excavator |
| 02/16/2011 | CN101974777A Electrolytic corrosion method of high strength and high toughness Fe-Mn-C series twinning induced plasticity steel |
| 02/16/2011 | CN101974724A Iron-based alloy powder for high strength and toughness laser deposited coating |
| 02/16/2011 | CN101974723A Impact-resistance double-roller roughing roll and manufacturing method thereof |
| 02/16/2011 | CN101974722A Steel plate for manufacturing concrete mixer tank and production method |
| 02/16/2011 | CN101974721A Process for producing medium and high carbon steel in sheet billet continuous casting and rolling production |
| 02/16/2011 | CN101805875B Steel special for anchoring flange |
| 02/16/2011 | CN101691641B Smelting process for steel ingot of main pipe line of primary loop in AP1000 nuclear power technology |
| 02/16/2011 | CN101624676B Hot-rolled beam steel with a tensile strength of more than 710MPa and preparation method thereof |
| 02/16/2011 | CN101624675B 45BM steel for caterpillar track pin roll and manufacturing method thereof |
| 02/16/2011 | CN101591754B High-obdurability low-alloy cold stamping die steel and hot chemical treatment process |
| 02/16/2011 | CN101545074B High strength plate xcellent in bending workability with tensile strength 980 mpa or above e |
| 02/16/2011 | CN101542004B Hot-worked steel material having excellent machinability and impact value |
| 02/16/2011 | CN101486044B Method for producing restraint core rod of diameter above 330mm for tandem rolling tube |
| 02/16/2011 | CN101456034B Production method of heavy plate of X80 level large-deformation resistance pipe line steel |
| 02/16/2011 | CN101403134B Manufacturing method of electrode plate for anti-corrosion pickling bath |
| 02/16/2011 | CN101386957B Spring steel wire rod excellent in decarburization resistance and wire drawing workability and method for producing same |
| 02/16/2011 | CN101307412B Steel plate with excellent brittle crack transmit stop performance and toughness of central part and manufacturing method thereof |
| 02/16/2011 | CN101280387B Steel belt for rim of vehicle wheel and manufacturing method thereof |
| 02/16/2011 | CN101144162B Hot press forming method, electroplating steel products thereof and preparation method for the same |
| 02/15/2011 | US7887924 Mg/OH/2 or CaCO3 surface layer; tensile strength1800 N/mm2 or above, contains 0.3-0.7% C, 0.95-5.0% Cr, not higher than 0.6% and higher than 0% Mn, 0.7- 2.5% Si, and contains at least one of Mg, Ca, Sr, Ba, Li, Na and K( upper limit is 0.05%); corrosion resistant; cost efficiency; for making springs |
| 02/15/2011 | US7887649 excellent low-temperature toughness, formability, and torsional fatigue endurance after being formed into cross-sectional shape and then stress-relief annealed |
| 02/15/2011 | US7887648 excellent corrosion resistance and hydrogen embrittlement resistance; austenitic steels; for automobiles and transporting machineries; prevent fracture, cracking |
| 02/15/2011 | US7887645 High permeability grain oriented electrical steel |
| 02/10/2011 | WO2011016757A1 Method for producing cold-rolled anisotropic electrotechnical steel |
| 02/10/2011 | WO2011016756A1 Method for producing anisotropic electrotechnical steel having high magnetic properties |
| 02/10/2011 | WO2011016676A2 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same |
| 02/10/2011 | WO2011016518A1 Metal plate for radiation heating, process for producing same, and processed metal having portion with different strength and process for producing same |
| 02/10/2011 | WO2011016384A1 Nonmagnetic stainless steel, member for radio-controlled watch, process for producing nonmagnetic stainless steel, and radio receiver |
| 02/10/2011 | WO2011016207A1 Composite magnetic body and method for producing the same |
| 02/10/2011 | US20110033731 Ferritic stainless steel |
| 02/10/2011 | US20110031235 Durable iron-chromium-aluminum alloy showing minor changes in heat resistance |
| 02/10/2011 | US20110030857 High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same |
| 02/10/2011 | US20110030854 High-strength steel sheet and method for manufacturing the same |
| 02/10/2011 | US20110030851 Low-carbon martensitic chromium-containing steel |
| 02/09/2011 | EP2282060A2 Powder metal scrolls |
| 02/09/2011 | EP2281128A1 Drive belt ring component and manufacturing method and maraging steel base material therefor |
| 02/09/2011 | CN101970811A A movable wall member in form of an exhaust valve spindle or a piston for an internal combustion engine, and a method of manufacturing such a member |
| 02/09/2011 | CN101970704A Rolling component and manufacturing method thereof |
| 02/09/2011 | CN101967612A Novel die steel |
| 02/09/2011 | CN101967611A High-toughness austenite boiler steel |
| 02/09/2011 | CN101967610A High carbon high silicon martensite stainless steel billet and preparation method thereof |
| 02/09/2011 | CN101967609A High-strength thick steel plate for storage container excellent in low-temperature toughness of multi-layer welded joint |
| 02/09/2011 | CN101967608A Nitrogen-containing corrosion-resistance plastic die steel and preparation process thereof |
| 02/09/2011 | CN101967607A Manganese-series ultra-low carbon bainitic steel and preparation method of steel plate thereof |
| 02/09/2011 | CN101967606A Hot rolled steel strip for straight slit electric resistance welding petroleum casing pipe and production method thereof |
| 02/09/2011 | CN101967605A Carbide precipitation type rare earth carburizing steel |
| 02/09/2011 | CN101967604A Boron-nitrogen composite microalloyecd steel allowing for high heat input welding and manufacturing method |
| 02/09/2011 | CN101967603A High-strength thick steel plate excellent in drop weight properties and base steel toughness |
| 02/09/2011 | CN101967602A Non-oriented silicon steel thin strip and preparation method thereof |
| 02/09/2011 | CN101967598A Ba-Fe alloy produced by blast furnace |
| 02/09/2011 | CN101967596A Method for preparing high-performance rare earth-FeCoSi compound with NaZn 13 structure |
| 02/09/2011 | CN101967542A Toughness process method of 42CrMo material |
| 02/09/2011 | CN101967535A Alloy wire for obtaining fine oxide in low alloy steel and manufacturing method and application thereof |
| 02/09/2011 | CN101966603A Driller and method for its manufacture |
| 02/09/2011 | CN101701318B Steel for flux-cored wire jacket and manufacturing method thereof |
| 02/09/2011 | CN101643887B Super-thick high-level boat plate steel and production process thereof |
| 02/09/2011 | CN101642808B Water-atomized rare-earth steel powder alloy and production method thereof |
| 02/09/2011 | CN101624687B Corrosion resisting mirror plastic extrusion die steel |
| 02/09/2011 | CN101613832B Ferrite type heat-resisting steels |
| 02/09/2011 | CN101597715B Iron-based high-temperature alloy material for guide roller and preparation method thereof |
| 02/09/2011 | CN101595235B High tensile cold-rolled steel sheet and process for production thereor |
| 02/09/2011 | CN101525727B Heat-resisting steel material used as vane or bolt of ultra-supercritical steam turbine and preparation method thereof |
| 02/09/2011 | CN101514434B Thick steel plate for pressure vessel, method for manufacturing the same |
| 02/09/2011 | CN101514432B High-strength ERW welding socket steel, socket, method for producing same |
| 02/09/2011 | CN101509098B Hot galvanizing baking chilled steel with yield strength 180Mpa and producing method thereof |
| 02/09/2011 | CN101476085B Method for foundry production of ultra-supercritical main steam control valve for nuclear power unit |
| 02/09/2011 | CN101469751B Motorcycle clutch iron based friction plate, preparation technique, pair plate of the friction plate and clutch |
| 02/09/2011 | CN101445893B Controlled expansion coefficient alloy and manufacturing method thereof |
| 02/09/2011 | CN101376944B High-strength high-tensile ratio cold-rolled steel sheet and manufacturing method thereof |
| 02/09/2011 | CN101347792B Technique for medium thin slab continuous rolling and producing Nb-microalloying steel and devcie |
| 02/09/2011 | CN101300700B Heat resistant alloy member for fuel cell, power collecting member for fuel cell, cell stack and fuel cell |
| 02/09/2011 | CN101300371B Heat-resistant alloy capable of depositing fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide |
| 02/09/2011 | CN101270458B Metastable austenite abrasion-proof cast steel containing manganese-tungsten-aluminum |
| 02/09/2011 | CN101171351B Stainless steel pipe for oil well excellent in enlarging characteristics |
| 02/08/2011 | US7883663 to be used as structural steel etc. for applications of harsh corrosive environments over long periods of time |
| 02/08/2011 | CA2676335C Hot runner system with composite nozzle tip |