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Class Information
Number: 420/52
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Eight percent or more nickel containing > Molybdenum containing
Description: Alloy or metallic composition which additionally contains molybdenum.


Sub-classes under this class:

Class Number Class Name Patents
420/53 Group iv or v transition metal containing 65


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7455811 Brazing material and brazed products manufactured therewith Nov. 25, 2008
7347903 Duplex stainless steel for urea manufacturing plants Mar. 25, 2008
6983743 Stainless steel canister for propellant-driven metering aerosols Jan. 10, 2006
6776728 Weight member for a golf club head Aug. 17, 2004
6773660 Ferritic stainless steel for use in high temperature applications Aug. 10, 2004
6770113 Method for forming anisotrophic metal particles Aug. 3, 2004
6758764 Weight member for a golf club head Jul. 6, 2004
6739333 Stainless steel canister for propellant-driven metering aerosols May. 25, 2004
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6352670 Oxidation and corrosion resistant austenitic stainless steel including molybdenum Mar. 5, 2002
6290905 Welding material Sep. 18, 2001
6248292 Overlay welding alloy and engine valve overlayed therewith Jun. 19, 2001
6123784 Austenitic stainless steel especially for making wire Sep. 26, 2000
6060180 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe May. 9, 2000
5976275 High-nickel austenitic stainless steel resistant to degradation by neutron irradiation Nov. 2, 1999
5888449 Stainless steel Mar. 30, 1999
5858129 Austenite stainless steel Jan. 12, 1999
5783143 Alloy steel resistant to molten zinc Jul. 21, 1998
5716466 Stainless steel wire product Feb. 10, 1998
5672315 Superplastic dual-phase stainless steels having a small deformation resistance and excellent elongation properties Sep. 30, 1997
5651937 Austenitic stainless steel, in particular for making wire Jul. 29, 1997
5620805 Alloy and multilayer steel tube having corrosion resistance in fuel combustion environment containing V, Na, S and Cl Apr. 15, 1997
5614149 Stainless steels for coins and method of producing coins of stainless steel Mar. 25, 1997
5569334 Stainless steel member for semiconductor fabrication equipment and surface treatment method therefor Oct. 29, 1996
5545482 Two-phase stainless steel wire rope having high fatigue resistance and corrosion resistance Aug. 13, 1996
5340413 Fe-NI based soft magnetic alloys having nanocrystalline structure Aug. 23, 1994
5246661 Erosion and corrsion resistant alloy Sep. 21, 1993
5203932 Fe-base austenitic steel having single crystalline austenitic phase, method for producing of same and usage of same Apr. 20, 1993
5160389 Flexible tube for automotive exhaust systems Nov. 3, 1992
5141705 Austenitic stainless steel Aug. 25, 1992
5087414 Free machining, mon-magnetic, stainless steel alloy Feb. 11, 1992
5024812 Hydrochloric acid resistant stainless steel Jun. 18, 1991
5021215 High-strength, heat-resistant steel with improved formability and method thereof Jun. 4, 1991
5000912 Nickel titanium martensitic steel for surgical needles Mar. 19, 1991
4999159 Heat-resistant austenitic stainless steel Mar. 12, 1991
4933143 Austenitic stainless steel having improved corrosion resistance in hot water Jun. 12, 1990
4905074 Interdiffusion resistant Fe-Ni alloys having improved glass sealing property Feb. 27, 1990
4822695 Low porosity surfacing alloys Apr. 18, 1989
4816085 Tough weldable duplex stainless steel wire Mar. 28, 1989
4812287 Nickel-chromium stainless steel having improved corrosion resistances and machinability Mar. 14, 1989
4802894 Method of using a structural member of anti-sulfur-attack cr-ni-al-si alloy steel for coal gasification system Feb. 7, 1989
4797252 Corrosion-resistant, low-carbon plus nitrogen austenitic stainless steels with improved machinability Jan. 10, 1989
4784831 Hiscor alloy Nov. 15, 1988
4765953 High nitrogen containing duplex stainless steel having high corrosion resistance and good structure stability Aug. 23, 1988
4740353 Austenitic stainless steel Apr. 26, 1988
4715908 Duplex stainless steel product with improved mechanical properties Dec. 29, 1987
4586957 Iron-base alloy materials having excellent workability May. 6, 1986
4560407 Alloy for use in a radioactive ray environment and reactor core members Dec. 24, 1985
4505232 Boiler tube Mar. 19, 1985
4500351 Cast duplex stainless steel Feb. 19, 1985

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