Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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06/19/2013 | EP2604715A1 High-strength cold-rolled steel sheet having excellent workability and impact resistance, and method for manufacturing same |
06/19/2013 | CN103168112A Bearing steel and ingot material for bearing having excellent rolling contact fatigue life characteristics and method for manufacturing the same |
06/19/2013 | CN103168106A Steel sheet and steel sheet production process |
06/19/2013 | CN103161915A Scissors gear structure and manufacturing method thereof |
06/19/2013 | CN103161854A Brake disk |
06/19/2013 | CN103160758A High-yield-ratio and high-strength steel sheet excellent in workability |
06/19/2013 | CN103160757A Straightening ring of rail beam |
06/19/2013 | CN103160756A Manufacturing method of pipeline steel with high strength and toughness and high deformability |
06/19/2013 | CN103160755A Straightening roller for straightening round steel bar material |
06/19/2013 | CN103160754A Micro alloy steel cast steel wheel and manufacture method |
06/19/2013 | CN103160753A Zr-containing sulphuric acid dew point corrosion resistant steel plate and manufacturing method thereof |
06/19/2013 | CN103160752A High strength seamless steel pipe with excellent low temperature toughness and manufacturing method thereof |
06/19/2013 | CN103160751A A bulb steel with a yield strength of 590MPa grade and a production method thereof |
06/19/2013 | CN103160750A Homogenizing guide roller for rods/wires and processing technique thereof |
06/19/2013 | CN103160749A Seamless steel pipe perforating plug and manufacture method |
06/19/2013 | CN103160748A High carbon and high chromium alloy self-fluxing powder |
06/19/2013 | CN103160747A Low welding crack sensitivity off-line tempering super thick steel plate and manufacturing method thereof |
06/19/2013 | CN103160746A High strength steel for thick wall water pipe and manufacturing method thereof |
06/19/2013 | CN103160745A Large-tonnage high-Ta low-activation martensitic steel for nuclear fusion reactor and manufacturing method thereof |
06/19/2013 | CN103160744A Process for producing pipeline steel plate with uniform performance and excellent toughness |
06/19/2013 | CN103160743A High-cleanliness medium carbon axle steel and preparation method thereof |
06/19/2013 | CN103160742A Wear-resistant steel plate and manufacturing method thereof |
06/19/2013 | CN103160741A Method for smelting high-purity nickel-molybdenum alloy |
06/19/2013 | CN103160740A Steel 18MnMoNbR for pressure vessel and process for producing 18MnMoNbR steel plate with thickness of 100mm |
06/19/2013 | CN103160739A Continuously cast 80mm-thick bridge steel Q420qE and preparation process thereof |
06/19/2013 | CN103160738A Low-cost boron-containing steel and manufacturing method thereof |
06/19/2013 | CN103160737A Bainite steel, steel guard rail prepared by bainite steel thereof and preparation method |
06/19/2013 | CN103160736A High strength bainitic steel rail and heat treatment process thereof |
06/19/2013 | CN103160735A Ultrahigh strength cold-rolled steel sheet for automobile and production method thereof |
06/19/2013 | CN103160734A Super-thick steel P460NL1 (L2) plate for pressure vessel and method for producing same |
06/19/2013 | CN103160733A Steel plate for nuclear power station pressure vessel and equipment gate, and manufacturing method thereof |
06/19/2013 | CN103160732A Steel for nuclear power pressure-bearing equipment and manufacturing method thereof |
06/19/2013 | CN103160731A Hot drawing high-silicon steel wire and production method thereof |
06/19/2013 | CN103160730A Large-swelling-amount welded tube and manufacturing method thereof |
06/19/2013 | CN103160729A Medium-carbon microalloyed steel for engineering machinery caterpillar chain piece and production process thereof |
06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
06/19/2013 | CN103160667A High-strength intermediate-carbon ultrafine bainitic steel and preparation method thereof |
06/19/2013 | CN103160654A Manufacturing method of ultrahigh strength surface-active steel plate and the steel plate |
06/19/2013 | CN103157788A High manganese and high chromium alloy self-fluxing powder |
06/19/2013 | CN103157787A Alloy powder with self-fluxing nature |
06/19/2013 | CN102560259B Preparation method for twinning induced plasticity (TWIP) steel for low-cost large-expansibility expansion pipe and steel pipe |
06/19/2013 | CN102443734B Non-oriented electrical steel plate without corrugated defect and its manufacturing method |
06/19/2013 | CN102418034B Production method for high-grade non-oriented silicon steel |
06/19/2013 | CN102416411B Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance |
06/19/2013 | CN102409240B Hydrogen sulfide corrosion-resistant steel for petroleum drill rod and manufacturing method for hydrogen sulfide corrosion-resistant steel |
06/19/2013 | CN102392193B Extra thick quenched and tempered steel plate for ocean platform tooth bar and production method thereof |
06/19/2013 | CN102383055B Production method for reducing titanium content in high-carbon chromium bearing steel |
06/19/2013 | CN102367560B High-strength corrosion-resisting straight welded pipe steel and manufacture method thereof |
06/19/2013 | CN102363869B Manufacturing method of free-cutting ferritic stainless steel 430FM |
06/19/2013 | CN102352454B Al-Fe alloy with low H, N and O element contents and preparation method thereof |
06/19/2013 | CN102345066B Steel used for pressure container and preparation method thereof |
06/19/2013 | CN102330032B Acid-proof X70MS steel-grade spiral welded pipe and manufacturing method thereof |
06/19/2013 | CN102304662B Production method of low carbon deep drawing cold rolled steel sheet |
06/19/2013 | CN102266868B Production method for pickling steel with reduced acid |
06/19/2013 | CN102203309B High strength stainless steel piping having outstanding resistance to sulphide stress cracking and resistance to high temperature carbon dioxide corrosion |
06/19/2013 | CN102199740B Ti-Zr composite deoxidized steel used for ultrahigh-strength hull structure, and production process thereof |
06/19/2013 | CN102199727B 400MPa high-strength and high-forming-performance cold rolled steel plate and production method thereof |
06/19/2013 | CN102162071B Limit mandrel steel material for rolled tubes and preparation method thereof |
06/19/2013 | CN102162069B Flying-shear main-transmission gearwheel steel and preparation method thereof |
06/19/2013 | CN102102161B Sintered valve guide and a method of making same |
06/19/2013 | CN102021482B Cold-rolled galvanized duplex steel and manufacturing method thereof |
06/19/2013 | CN102016083B Lower-cost, ultra-high-strength, high-toughness steel |
06/19/2013 | CN102011064B Application of steel for X80 grade low-temperature pipe fitting |
06/19/2013 | CN102011062B Easy-cutting gear steel and smelting method thereof |
06/19/2013 | CN101983247B Steel material, process for producing steel material, and apparatus for producing steel material |
06/19/2013 | CN101925436B Welding material and welded joint structures |
06/19/2013 | CN101914726B Low-carbon low-silicon high-efficiency non-oriented electrical steel sheet and production method thereof |
06/19/2013 | CN101818311B Process for preparing high-tenacity and wear-resistance metal material |
06/19/2013 | CN101713489B Forged product and crankshaft manufactured from it |
06/19/2013 | CN101680063B Iron-based powder and composition thereof |
06/19/2013 | CN101578381B Processes for production of steel sheets for cans |
06/19/2013 | CN101506402B Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
06/19/2013 | CN101397634B Atmospheric corrosion resistant 08CrNiCu low-alloy high intensity non-annealed cold-forging steel and production process |
06/19/2013 | CN101275567B Powder metal scrolls |
06/18/2013 | US8465604 Ferritic stainless steel sheet having excellent corrosion resistance and method of manufacturing the same |
06/18/2013 | US8465601 High carbon steel sheet superior in tensile strength and elongation and method for manufacturing the same |
06/18/2013 | US8465600 High-strength steel sheet having excellent workability |
06/18/2013 | CA2570440C Martensitic stainless steel for moulds and injection mould frames |
06/13/2013 | WO2013085033A1 Bearing components, rolling bearing, and methods for producing same |
06/13/2013 | WO2013085008A1 Method for manufacturing mechanical parts with superior rolling fatigue life |
06/13/2013 | WO2013085005A1 Hot-rolled ferritic stainless steel sheet with excellent cold cracking resistance and manufacturing process therefor |
06/13/2013 | WO2013084864A1 Machine part, rolling bearing, conical roller bearing and method for manufacturing machine part |
06/13/2013 | WO2013084800A1 Rolling bearing and method for producing same |
06/13/2013 | WO2013084606A1 Thick rare earth magnet film, and low-temperature solidification molding method |
06/13/2013 | WO2013084478A1 Method for manufacturing high-strength cold-rolled steel sheet having excellent aging resistance and bake hardenability |
06/13/2013 | WO2013084477A1 High-strength cold-rolled steel sheet having excellent aging resistance and bake hardenability |
06/13/2013 | WO2013084458A1 Hot-rolled steel sheet for cold rolling material, and method for producing same |
06/13/2013 | WO2013084265A1 Steel for mechanical structures and manufacturing method therefor |
06/13/2013 | US20130149526 Method of producing cold-rolled steel sheet as well as cold-rolled steel sheet and members for automobile |
06/13/2013 | US20130149188 C+n austenitic stainless steel having good low-temperature toughness and a fabrication method thereof |
06/13/2013 | US20130149187 Heat-resistant ferritic stainless steel sheet having excellent oxidation resistance |
06/13/2013 | US20130146182 High Strength, High Toughness Steel Alloy |
06/13/2013 | US20130146181 Steel for carburizing, carburized steel component, and method of producing the same |
06/13/2013 | US20130146180 Steel for carburizing, carburized steel component, and method of producing the same |
06/13/2013 | DE102011121705A1 Schweißzusatz zum Lichtbogen- und Laserstrahlschweißen von Mischverbindungen aus austenitischem und ferritischem Stahl Filler for arc and laser welding of dissimilar joints of austenitic and ferritic steel |
06/13/2013 | DE102011121679A1 Manufacturing components made of austenitic lightweight construction steel by transforming sheet metal, where steel has temperature-dependent transformation induced plasticity and/or twinning induced plasticity effect during transformation |
06/13/2013 | DE102011088234A1 Bauteil Component |
06/12/2013 | EP2602359A1 Steel sheet for hot stamping, and process for manufacturing hot-stamped steel products using steel sheet for hot stamping |
06/12/2013 | EP2602351A1 Ferritic stainless steel |
06/12/2013 | EP2602350A1 Spring and manufacture method thereof |