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Class Information
Number: 420/45
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 > Copper containing
Description: Alloy or metallic composition which additionally contains copper.










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
8137613 Austenitic stainless steel welded joint and austenitic stainless steel welding material Mar. 20, 2012
7785427 High strength alloys Aug. 31, 2010
RE41504 Heat and corrosion resistant cast CF8C stainless steel with improved high temperature strength and ductility Aug. 17, 2010
7754144 High Nb, Ta, and Al creep- and oxidation-resistant austenitic stainless steel Jul. 13, 2010
7754305 High Mn 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
6939415 Austenitic stainless steel and manufacturing method thereof Sep. 6, 2005
6918968 Austenitic stainless steel Jul. 19, 2005
6918967 Corrosion resistant austenitic alloy Jul. 19, 2005
6780258 Austenitic stainless steel less susceptible to cracking during forming and a manufacturing method thereof Aug. 24, 2004
6764647 Corrosion resistant material Jul. 20, 2004
6440579 Process for producing a drawn wire made of stainless steel, in particular a wire for reinforcing tires, and wire obtained by the process Aug. 27, 2002
6379477 Fe-Cr-Ni alloy for electron gun electrodes and Fe-Cr-Ni alloy sheet for electron gun electrodes Apr. 30, 2002
5480609 Austenitic stainless steel with high resistance to corrosion by chloride and sulphuric media and uses Jan. 2, 1996
5474737 Alloys for cryogenic service Dec. 12, 1995
5352406 Highly mechanical and corrosion resistant stainless steel and relevant treatment process Oct. 4, 1994
5340534 Corrosion resistant austenitic stainless steel with improved galling resistance Aug. 23, 1994
5306357 Sulfuric acid resistant alloys Apr. 26, 1994
5252148 Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same Oct. 12, 1993
5098652 Precision parts of non-magnetic stainless steels Mar. 24, 1992
5024812 Hydrochloric acid resistant stainless steel Jun. 18, 1991
4911883 Cold working stainless steel Mar. 27, 1990
4818484 Austenitic, non-magnetic, stainless steel alloy Apr. 4, 1989
4818483 Alloy resistant to seawater and corrosive process fluids Apr. 4, 1989
4390367 High-alloyed steel being resistive to corrosion by natural gas Jun. 28, 1983
4378246 Precipitation hardening type stainless steel for spring Mar. 29, 1983
4329173 Alloy resistant to corrosion May. 11, 1982
4201574 Low carbon Ni-Cr austenitic steel having an improved resistance to stress corrosion cracking May. 6, 1980
4178983 Method for manufacturing stainless steel die cast products having low melting point Dec. 18, 1979
4141762 Two-phase stainless steel Feb. 27, 1979











 
 
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