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Class Information
Number: 420/73
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Eight percent or more manganese containing > Nickel containing
Description: Alloy or metallic composition which additionally contains nickel.










Patents under this class:

Patent Number Title Of Patent Date Issued
8535606 Pitting corrosion resistant non-magnetic stainless steel Sep. 17, 2013
8486204 Hinge device and electronic device using the same Jul. 16, 2013
8337749 Lean austenitic stainless steel Dec. 25, 2012
8313691 Lean austenitic stainless steel Nov. 20, 2012
7780908 Low nickel containing chromium-nickel-manganese- copper austenitic stainless steel Aug. 24, 2010
7749431 Stainless steel for high-pressure hydrogen gas Jul. 6, 2010
7708841 Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy May. 4, 2010
6908589 High manganese cast iron containing spheroidal vanadium carbide and method for making therof Jun. 21, 2005
6824672 Use of austenitic stainless steels in applications requiring anti-coking properties Nov. 30, 2004
6620377 High hardness stainless steel for screws used in magnetic memory devices Sep. 16, 2003
6361740 Suspension arm and load beam for a disk drive Mar. 26, 2002
5968449 Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof Oct. 19, 1999
5910285 Austenitic acid corrosion-resistant stainless steel of Al-Mn-Si-N series Jun. 8, 1999
5643530 Non-magnetic high manganese cast product Jul. 1, 1997
5529604 Modified stainless steel powder composition Jun. 25, 1996
5422071 Heat resistant iron/steel weld material Jun. 6, 1995
5380483 Vibration-damping alloy Jan. 10, 1995
5348701 Vibration-damping alloy Sep. 20, 1994
5252148 Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same Oct. 12, 1993
5069871 Method of using an austenitic steel alloy as a wear part subject to gouging abrasion type metal loss Dec. 3, 1991
4957700 High strength non-magnetic stainless steel Sep. 18, 1990
4929289 Iron-based shape-memory alloy excellent in shape-memory property and corrosion resistance May. 29, 1990
4875933 Melting method for producing low chromium corrosion resistant and high damping capacity Fe-Mn-Al-C based alloys Oct. 24, 1989
4865662 Aluminum-manganese-iron stainless steel alloy Sep. 12, 1989
4788034 Age hardenable maetensitic steel Nov. 29, 1988
4721600 Superplastic ferrous duplex-phase alloy and a hot working method therefor Jan. 26, 1988
4637843 Core of a noise filter comprised of an amorphous alloy Jan. 20, 1987
4634476 High-strength, low-alloy cast steel Jan. 6, 1987
4622067 Low activation ferritic alloys Nov. 11, 1986
4534793 Cast iron welding materials and method Aug. 13, 1985
4531974 Work-hardenable austenitic manganese steel and method for the production thereof Jul. 30, 1985
4512804 Work-hardenable austenitic manganese steel and method for the production thereof Apr. 23, 1985
4494988 Galling and wear resistant steel alloy Jan. 22, 1985
4484958 Non-magnetic alloy having high hardness and good weldability Nov. 27, 1984
4481033 High Mn-Cr non-magnetic steel Nov. 6, 1984
4441926 Non-magnetic alloy having high hardness Apr. 10, 1984
4394168 Austenitic wear resistant steel Jul. 19, 1983
4381941 Method for improving surface defect of specific steel resistant to concentrated nitric acid May. 3, 1983
4342593 Castings Aug. 3, 1982
4302248 High manganese non-magnetic steel with excellent weldability and machinability Nov. 24, 1981
4279648 High silicon chromium nickel steel for strong nitric acid Jul. 21, 1981
4196261 Stable bimetal strip Apr. 1, 1980
4086085 Austenitic iron alloys Apr. 25, 1978
4079523 Iron-titanium-mischmetal alloys for hydrogen storage Mar. 21, 1978
4043806 Alloys from manganese nodules Aug. 23, 1977
4024902 Method of forming metal tungsten carbide composites May. 24, 1977
4009025 Low permeability, nonmagnetic alloy steel Feb. 22, 1977











 
 
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