Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
---|
11/21/2012 | CN102787275A Low-cost manufacturing method for high-intensity quenched and tempered steel plate |
11/21/2012 | CN102787274A Ultra-high-ductility high-strength drill rod and manufacturing method thereof |
11/21/2012 | CN102787273A Sheet-billet produced hot-rolled pickled steel with thickness of 1.8mm or lower for automobile and production method thereof |
11/21/2012 | CN102787272A Preparation method of hot-rolled acid-washing high-strength steel for automobile carriage |
11/21/2012 | CN102787271A Production method of 460MPa grade high-surface quality structural hot dipped galvanized steel plate and its product |
11/21/2012 | CN102787270A Thin hot-rolled pickled steel with good formability and production method thereof |
11/21/2012 | CN102787269A Method for manufacturing HFW (High Frequency Welding) oil casing by K55-grade steel plate |
11/21/2012 | CN102785697A High-strength hot-rolling automobile longitudinal beam material and longitudinal beam manufacturing method |
11/21/2012 | CN102367546B Control method for coast atmospheric corrosion resistant scale on surface of boat deck |
11/21/2012 | CN102337463B 00Cr18Mo2 stainless steel pipe billet and manufacture method thereof |
11/21/2012 | CN102230138B Method for manufacturing SPA-H high-strength atmospheric corrosion resistance steel by using continuous annealing machine set |
11/21/2012 | CN102230132B Fe-Cr-Mo-Al-Cu corrosion-resistant high temperature alloy |
11/21/2012 | CN102212749B Method for producing steel for high-efficiency alloy welding wires through continuous billet casting |
11/21/2012 | CN102212736B Method for preparing niobium microalloy steel by using low-niobium molten iron |
11/21/2012 | CN102181796B Production method of X70 hot-rolled medium plate for submerged pipeline |
11/21/2012 | CN102181787B Refractory corrosion-resisting steel as well as preparation and heat treatment method thereof |
11/21/2012 | CN102154594B Chromium-niobium-boron alloy rare earth casting grinding ball and production process method thereof |
11/21/2012 | CN102154592B Micro-alloying martensite stainless steel for blades of water turbine and manufacturing method thereof |
11/21/2012 | CN102121083B Method for improving impact absorption energy of flange in ultralow-temperature state |
11/21/2012 | CN102084438B Corrosion-resistant magnet and method for producing the same |
11/21/2012 | CN102061427B Production method of HRBF500E high-performance shock-resistant reinforcing steel bar |
11/21/2012 | CN102049523B Free-cutting water-atomized steel powder and preparation method thereof |
11/21/2012 | CN102049485B Method for composite centrifugal casting high-chromium steel roller |
11/21/2012 | CN102000620B Integrated crushing tooth of grading crusher and manufacturing method thereof |
11/21/2012 | CN101984120B 12Cr2Mo1R heavy plate in hydrogen and heat treatment process thereof |
11/21/2012 | CN101956131B Preparation method of ultra-low carbon steel and ultra-low carbon steel plate |
11/21/2012 | CN101914733B Manufacturing method of low-chip perforating bullet case |
11/21/2012 | CN101861406B High-strength cold-rolled steel sheet |
11/21/2012 | CN101853723B Composite magnetic material and preparation method thereof |
11/21/2012 | CN101845540B Ultra-high strength cold-rolled steel strip nodularization annealing process |
11/21/2012 | CN101821417B Low alloy steel for high-pressure hydrogen gas environment, and container for high-pressure hydrogen |
11/21/2012 | CN101775547B Production method of high magnetic induction grain-oriented silicon steel strip |
11/21/2012 | CN101760700B Ferrous abrasion resistant sliding material |
11/21/2012 | CN101688281B Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
11/21/2012 | CN101545076B Martensite refractory stainless steel and manufacturing method thereof |
11/20/2012 | US8313691 Lean austenitic stainless steel |
11/20/2012 | US8313589 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same |
11/20/2012 | CA2687436C Bent pipe and a method for its manufacture |
11/19/2012 | DE202012104089U1 Ofengriff Oven handle |
11/15/2012 | WO2012153831A1 Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same |
11/15/2012 | WO2012153814A1 Heat-resistant austenitic stainless steel having excellent cyclic oxidation resistance |
11/15/2012 | WO2012153675A1 Battery can for storage battery |
11/15/2012 | WO2012153471A1 Vehicle collision energy absorbing member having high collision energy absorbing power, and method for manufacturing same |
11/15/2012 | WO2012153016A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets |
11/15/2012 | WO2012153013A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
11/15/2012 | WO2012153012A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
11/15/2012 | WO2012153009A1 Method for the production of very-high-strength martensitic steel and sheet thus obtained |
11/15/2012 | WO2012153008A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
11/15/2012 | WO2012152477A1 Chromium-molybdenum alloy |
11/15/2012 | WO2012127136A3 Hot-rolled steel sheet and associated production method |
11/15/2012 | WO2012091411A3 High-strength steel sheet having superior toughness at cryogenic temperatures, and method for manufacturing same |
11/15/2012 | WO2012001163A3 Higher-strength, cold-formable steel and steel sheet product consisting of such a steel |
11/15/2012 | US20120288397 Bainitic steel for moulds |
11/15/2012 | US20120288396 Austenite steel material having superior ductility |
11/15/2012 | US20120285585 High-strength spring steel |
11/15/2012 | US20120285583 Cerium based permanent magnet material |
11/15/2012 | DE102011117845B3 Producing austenite-containing fine-dendritic cast steel exhibiting increased transformation induced plasticity/twinning induced plasticity properties, comprises blowing species-characteristic particles with inert gas, into casting stream |
11/15/2012 | CA2835540A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets |
11/15/2012 | CA2835533A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
11/15/2012 | CA2835153A1 Vehicle collision energy absorbing member excellent in energy absorbing performance and manufacturing method therefor |
11/15/2012 | CA2834967A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
11/14/2012 | EP2521800A2 Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
11/14/2012 | CN102782185A Non-oriented electromagnetic steel sheet and process for production thereof |
11/14/2012 | CN102782175A Hot dipped aluminum alloy coated steel material with excellent cut edge surface corrosion resistance and processed part corrosion resistance, and method for producing same |
11/14/2012 | CN102782173A High-strength seamless steel pipe for mechanical structure which has excellent toughness, and process for production of same |
11/14/2012 | CN102782172A Solid stabilizer, steel material for solid stabilizer and method for producing solid stabilizer |
11/14/2012 | CN102782171A Dual phase structure stainless steel sheet and steel strip, and method for producing the dual phase structure stainless steel sheet and steel strip |
11/14/2012 | CN102782170A Low-chromium-content stainless steel with excellent corrosion resistance of weld |
11/14/2012 | CN102782169A High strength steel sheet having excellent resistance to post weld heat treatment and method for manufacturing same |
11/14/2012 | CN102782166A Hard particles for blending in sintered alloy, wear-resistant iron-based sintered alloy containing hard particles, valve seat formed of sintered alloy, and process for manufacturing hard particles |
11/14/2012 | CN102776514A High-performance steel-based coating material |
11/14/2012 | CN102776451A Nickel-iron spectrum standard sample and preparation method thereof |
11/14/2012 | CN102776450A Quenching heat treatment process for hot work die steel with low heat resistance |
11/14/2012 | CN102776449A Welding cast steel with high wall thickness |
11/14/2012 | CN102776448A Alloy grinding ball and production method thereof |
11/14/2012 | CN102776447A Steel strip for anti-collision beam of automobile |
11/14/2012 | CN102776446A Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof |
11/14/2012 | CN102776445A Lower bainite wear-resisting steel tube for slurry transport and production method of steel tube |
11/14/2012 | CN102776444A Iron-based nanocrystalline alloy and preparation method thereof |
11/14/2012 | CN102776443A 420MPa-level low-alloy high-intensity ultra-thick steel plate and manufacturing method thereof |
11/14/2012 | CN102776442A Hot rolled steel used for stirrer in automotive stirring tank and production method thereof |
11/14/2012 | CN102776441A Steel plate for third-generation nuclear power station reactor containments and manufacturing method thereof |
11/14/2012 | CN102776440A Method for smelting zirconium-containing alloy steel for welding |
11/14/2012 | CN102776439A Niobium microalloying Si-Mn-B series hot forming steel plate and rolling technology thereof |
11/14/2012 | CN102776438A Niobium-lanthanum microalloying Mn-B series superstrength steel plate and heat treatment technology thereof |
11/14/2012 | CN102776437A Austenite Fe-Ni-Si-C corrosion resistant alloy |
11/14/2012 | CN102776436A Hot galvanizing plate and processing method of hot galvanizing plate |
11/14/2012 | CN102776435A Degradable Fe-Mn-C ternary iron alloy material and its application |
11/14/2012 | CN102776431A Tri-iron aluminide intermetallic compound-titanium nitride ceramic composite and method for preparing same |
11/14/2012 | CN102776329A Method for refining SS400 steel sheet with reduced aluminium consumption in ladle furnace |
11/14/2012 | CN102773484A Method for manufacturing ball-shaped check valve body by powder metallurgy |
11/14/2012 | CN102773481A Method of improving performance of iron-based powder metallurgy parts prepared by high velocity compaction |
11/14/2012 | CN102773471A Locking piece and manufacturing method thereof |
11/14/2012 | CN102421925B High-strength hot-rolled steel sheet and process for manufacture thereof |
11/14/2012 | CN102337478B Excellent 100 kg-grade quenched and tempered steel plate with strong toughness and plasticity, and manufacturing method thereof |
11/14/2012 | CN102162063B Ferritic stainless steel medium plate and manufacturing method thereof |
11/14/2012 | CN102127719B Thick steel plate for ocean platform structure with yield strength of 500MPa grade and manufacture method thereof |
11/14/2012 | CN102127683B Method for producing hot-rolled steel coil |
11/14/2012 | CN102127675B Production method of steel plate warm formed parts with high efficiency, low energy consumption and high quality |
11/14/2012 | CN102069167B Method for preparing oriented silicon steel isometric crystal thin strip blank by twin-roll thin strip continuous casting |