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Class Information
Number: 420/47
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Eight percent or more nickel containing > Over 2 percent manganese containing > Molybdenum or tungsten containing > Group iv or v transition metal containing
Description: Alloy or metallic composition which additionally contains one or more of titanium, zirconium, hafnium, vanadium, niobium or tantalum.










Patents under this class:

Patent Number Title Of Patent Date Issued
8663549 Heat-resisting steel for engine valves excellent in high-temperature strength Mar. 4, 2014
8486204 Hinge device and electronic device using the same Jul. 16, 2013
8431072 Cast alumina forming austenitic stainless steels Apr. 30, 2013
8287805 Brazing material Oct. 16, 2012
8192682 High strength alloys Jun. 5, 2012
8137613 Austenitic stainless steel welded joint and austenitic stainless steel welding material Mar. 20, 2012
8105447 Austenitic stainless hot-rolled steel material with excellent corrosion resistance, proof stress, and low-temperature toughness Jan. 31, 2012
7959854 Heat resistant alloy adapted to precipitate fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide Jun. 14, 2011
7754305 High Mn austenitic stainless steel Jul. 13, 2010
7754144 High Nb, Ta, and Al creep- and oxidation-resistant austenitic stainless steel Jul. 13, 2010
7749431 Stainless steel for high-pressure hydrogen gas Jul. 6, 2010
7744813 Oxidation resistant high creep strength austenitic stainless steel Jun. 29, 2010
7708841 Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy May. 4, 2010
7531129 Stainless steel for high-pressure hydrogen gas May. 12, 2009
6960196 Detectable heavy duty needle Nov. 1, 2005
6939415 Austenitic stainless steel and manufacturing method thereof Sep. 6, 2005
6926778 Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof Aug. 9, 2005
6918968 Austenitic stainless steel Jul. 19, 2005
6896747 Austenitic alloy for heat strength with improved pouring and manufacturing, process for manufacturing billets and wire May. 24, 2005
6685881 Stainless cast steel having good heat resistance and good machinability Feb. 3, 2004
6409847 Austenitic nickel-chromium steel alloys Jun. 25, 2002
5976275 High-nickel austenitic stainless steel resistant to degradation by neutron irradiation Nov. 2, 1999
5660938 Fe-Ni-Cr-base superalloy, engine valve and knitted mesh supporter for exhaust gas catalyzer Aug. 26, 1997
5480609 Austenitic stainless steel with high resistance to corrosion by chloride and sulphuric media and uses Jan. 2, 1996
5340534 Corrosion resistant austenitic stainless steel with improved galling resistance Aug. 23, 1994
5292382 Molybdenum-iron thermal sprayable alloy powders Mar. 8, 1994
5292200 Ball-and-roller bearing Mar. 8, 1994
5194221 High-carbon low-nickel heat-resistant alloys Mar. 16, 1993
RE33753 Austenitic steel with improved high-temperature strength and corrosion resistance Nov. 26, 1991
5021215 High-strength, heat-resistant steel with improved formability and method thereof Jun. 4, 1991
5019332 Heat, corrosion, and wear resistant steel alloy May. 28, 1991
4861547 Iron-chromium-nickel heat resistant alloys Aug. 29, 1989
4818483 Alloy resistant to seawater and corrosive process fluids Apr. 4, 1989
4803045 Cobalt-free, iron-base hardfacing alloys Feb. 7, 1989
4784827 Nonmagnetic steel for cryogenic use Nov. 15, 1988
4689198 Austenitic stainless steel with high corrosion resistance and high strength when heat treated Aug. 25, 1987
4615658 Shroud for gas turbines Oct. 7, 1986
4560408 Method of using chromium-nickel-manganese-iron alloy with austenitic structure in sulphurous environment at high temperature Dec. 24, 1985
4498928 Ductile duplex iron-based alloy containing aluminum Feb. 12, 1985
4484958 Non-magnetic alloy having high hardness and good weldability Nov. 27, 1984
4431446 High cavitation erosion resistance stainless steel and hydraulic machines being made of the same Feb. 14, 1984
4407673 Solid solution strengthened duct and cladding alloy D9-B1 Oct. 4, 1983
4341555 High strength austenitic stainless steel exhibiting freedom from embrittlement Jul. 27, 1982
4337088 Non-magnetic stabilizer Jun. 29, 1982
4302247 High strength austenitic stainless steel having good corrosion resistance Nov. 24, 1981
4183774 High-endurance superalloy for use in particular in the nuclear industry Jan. 15, 1980
4141762 Two-phase stainless steel Feb. 27, 1979
4099966 Austenitic stainless steel Jul. 11, 1978
4077801 Iron-chromium-nickel heat resistant castings Mar. 7, 1978
RE28772 High strength corrosion-resistant stainless steel Apr. 13, 1976











 
 
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