Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/2007
12/18/2007US7309465 Compacting copper, graphite, a lubricant, and atomized iron powder mixture to form into a sprocket shape, sintering the green compact in a non-oxidizing gas atmosphere, quenching and tempering
12/18/2007US7309396 Giant magnetostrictive material and heat treatment method for giant magnetostrictive material
12/18/2007CA2368504C High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof
12/13/2007WO2007142197A1 High-strength composite steel sheet having excellent moldability and delayed fracture resistance
12/13/2007WO2007142196A1 High-strength steel sheet excellent in stretchability, stretch flangeability, and weldability
12/13/2007WO2007142034A1 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring
12/13/2007WO2007141427A2 Steel compositions for special uses
12/13/2007WO2007141152A1 Manganese boron steel, flat products produced from such steel, and production method
12/13/2007US20070284020 Roll/slide member, toroidal continuously variable transmission utilizing the same, and process for producing roll/slide member
12/13/2007DE112006000279T5 Gas absorbierende Substanz, Gas absorbierende Legierung und Gas absorbierendes Material Gas-absorbing substance, gas-absorbing alloy and gas absorbing material
12/13/2007DE102007022611A1 Stabiler Austenit-Edelstahl für Wasserstoff-Speichergefässe Stable austenitic stainless steel for hydrogen storage vessels
12/13/2007CA2654521A1 Steel compositions for special uses
12/12/2007EP1865086A1 Manganese-boron steel, sheet-like product made of the steel and method of its production
12/12/2007EP1865085A1 High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
12/12/2007EP1865084A1 Hot-dip galvanized steel sheet and alloyed hot-dip galvanized steel sheet
12/12/2007EP1865083A1 High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
12/12/2007EP1865079A1 Wire rod excellent in wire-drawing workability and method for producing same
12/12/2007EP1675970B1 A cold-rolled steel sheet having a tensile strength of 780 mpa or more an excellent local formability and a suppressed increase in weld hardness
12/12/2007EP1257414B1 Use of a dimensionally stable iron-chrome-aluminum film
12/12/2007CN101087897A Precipitation hardenable martensitic stainless steel
12/12/2007CN101087896A Rolling-sliding elements and process for production of the same
12/12/2007CN101086055A Guide board for seamless steel pipe punching machine
12/12/2007CN101086054A HAZ toughness excellent steel plate with less intensity reduce by heat processing after welding
12/12/2007CN101086053A Nano crystal composite permanent-magnet alloy and its preparation method
12/12/2007CN101086052A Wire rod excellent in wire-drawing workability and method for producing same
12/12/2007CN101086051A Non-tempering easy-welding super strong steel and its production method
12/12/2007CN100354562C High alloy steel seamless steel pipe and production method thereof
12/12/2007CN100354447C Corrosion-resistant and antibacterial low-nickel austenitic stainless steel
12/12/2007CN100354446C Iron-nickel alloy with low coefficient of thermal expansion for making shade masks
12/12/2007CN100354445C Non-oriented magnetic steel sheet and method for production thereof
12/12/2007CN100354442C Process for preparing Cr7C3-FeNiCr composite by heating aluminium fast solidification tech, and apparatus thereof
12/12/2007CN100354436C Hot-rolled steel sheet for high-strength electric-resistancewelded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same
12/12/2007CN100354059C 铸造钢带 Cast strip
12/11/2007CA2463371C Flattened u-bolt and method for making said u-bolt
12/06/2007WO2007139417A1 Rail steel
12/06/2007WO2007139393A1 Grain refiners for steel - manufacturing methods and use
12/06/2007WO2007139234A1 High-ductility high-carbon steel wire
12/06/2007WO2007139158A1 Cooling method of steel pipe
12/06/2007WO2007138815A1 Austenitic stainless steel
12/06/2007WO2007138752A1 High-strength steel sheet and process for producing the same
12/06/2007WO2007137714A1 Method for the production of forged steel for weapons subject to heavy stresses, barrel blanks and a thus-equipped weapon
12/06/2007US20070277913 Wire rod excellent in wire-drawing workability and method for producing same
12/06/2007DE102006025241A1 Verfahren zur Herstellung von Schmiedestahl für hoch beanspruchte Waffen, Rohr-Rohlinge sowie eine damit ausgerüstete Waffe A process for producing forged steel for heavy-duty weapons, pipe blanks and a so equipped weapon
12/06/2007DE102006025008A1 Verfahren zum Härten von Laufflächen von Wälzlagerkomponenten A method for the hardening of running surfaces of rolling bearing components
12/06/2007CA2653951A1 Grain refiners for steel - manufacturing methods and use
12/06/2007CA2653318A1 Efficient high-speed electric device using low-loss materials
12/06/2007CA2617381A1 High-carbon steel wire rod of high ductility
12/05/2007EP1862561A1 Steel for oil well pipe having excellent sulfide stress cracking resistance and method for manufacturing seamless steel pipe for oil well
12/05/2007EP1259655B1 Elongated element and steel for percussive rock drilling
12/05/2007CN200985930Y Electric stove horizontal moving oil cylinder dust proof device
12/05/2007CN101084321A Iron-nickel alloy strip for the manufacture of support grids for integrated circuits
12/05/2007CN101082383A Sulfurated hydrogen corrosion proof seamless pipe for oil-gas gathering and transporting
12/05/2007CN101082113A Novel rare earth chromic manganese nitrogen series stainless steel
12/05/2007CN101082112A 110Ksi grade CO2 H2S rust-proof oil well-pipe and manufacturing method
12/05/2007CN101082111A 110 steel grade CO2 and drop sulfuretted hydrogen corrosion-proof stainless steel oil well-pipe
12/05/2007CN101082110A Long-life alloy die-casting module and manufacturing method thereof
12/05/2007CN101082109A 110 steel grade carbon dioxide and chloride ion corrosion-proof oil well-pipe steel
12/05/2007CN101082108A Steel plate for producing seabed pipe line and rolling method therefor
12/05/2007CN101082107A Ultra-low carbon cold-rolling deep-punching glassed steel and method of production
12/05/2007CN101082106A Method for producing X65 pipe steel with low cost
12/05/2007CN101082105A High tensile steel excellent in high temperature strength and method for production thereof
12/05/2007CN101082104A Nickel-free micro-alloy low-temperature pressure vessel steel and manufacturing method thereof
12/05/2007CN101082103A Low-carbon steel rod bundle
12/05/2007CN101082102A High-strength ship hull structural steel and production method of plate roll
12/05/2007CN101082101A Chromic-nickel-free high-strength high ductility structural steel and manufacturing method thereof
12/05/2007CN101082100A Sheet made of a trip steel
12/05/2007CN101082099A Low-yield-ratio straight welding oil annular tube steel and manufacturing method thereof
12/05/2007CN100352966C Weldable steel building component and method for making same
12/05/2007CN100352965C Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength
12/05/2007CN100352964C Production of high-alloy cold mould steel
12/05/2007CN100352963C Soft magnetic structural steel resisting salt fog corrosion and its making process
12/05/2007CN100352962C Method for producing X80 pipeline steel having anti-HIC property and its hot-rolled plate
12/05/2007CN100352961C Pr series rare earth super magnetostric tive material and its preparing method
12/05/2007CN100352952C Process for prodn. of grain oriented electrical steel strips
12/05/2007CN100352568C Tube stock for manufacturing seamless steel tube and method of manufacturing the same
12/04/2007CA2517312C Design of ferromagnetic shape memory alloy composites and actuators incorporating such materials
12/04/2007CA2398449C Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy
11/2007
11/29/2007WO2007136137A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density
11/29/2007WO2007136127A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density
11/29/2007WO2007136115A1 Directional electromagnetic steel sheet having high tension insulating coating film and method for processing the insulating coating film
11/29/2007WO2007136019A1 High-strength steel pipe with excellent unsusceptibility to strain aging for line piping, high-strength steel plate for line piping, and processes for producing these
11/29/2007WO2007135929A1 Rolling bearing
11/29/2007WO2007135877A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent iron loss properties
11/29/2007US20070274855 Steel Alloy For Cutting Details
11/29/2007US20070272333 cross section has a martensitic structure; free of titanium; metal working; high tensile strength with an excellent forming workability; low cost; use in reinforcing in a bumper, or a pillar of an automobile
11/29/2007DE202007010241U1 Eine Legierung mit hoher Festigkeit An alloy with high strength
11/28/2007EP1860205A1 High strength hot rolled steel sheet having excellent stretch flangeability and its production method
11/28/2007EP1860204A1 High tension steel plate, welded steel pipe and method for production thereof
11/28/2007EP1860202A1 Method for heat-treating steel material
11/28/2007EP1592820B1 Austenitic stainless steels including molybdenum
11/28/2007EP1460652B1 R-t-b rare earth permanent magnet
11/28/2007CN200982331Y Sandwiched cylinder wall two-stage double-function gudgeon oil-intake sea water resistant hydraulic cylinder
11/28/2007CN101080788A Magnetic core for current transformer, current transformer and watthour meter
11/28/2007CN101078093A Vacuole corrosion resistant hardening casting
11/28/2007CN101078092A Punching head
11/28/2007CN101078091A Casting high speed steel cutter and preparation method thereof
11/28/2007CN101078090A Low-alloy high speed steel roll material and preparation method thereof
11/28/2007CN101078089A High strength hot rolled steel sheet having excellent stretch flangeability and its production method
11/28/2007CN101078088A Low-alloy super-strength steel and heat treatment technique for the same
11/28/2007CN101078087A Petroleum drilling machine winch brake hub novel material and preparation method thereof