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Class Information
Number: 420/51
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Eight percent or more nickel containing > Over 1.5 percent silicon 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
8647448 Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof Feb. 11, 2014
8388889 Heat-resistant, austenitic cast steel and exhaust member made thereof Mar. 5, 2013
8287805 Brazing material Oct. 16, 2012
8097097 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same Jan. 17, 2012
7959854 Heat resistant alloy adapted to precipitate fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide Jun. 14, 2011
7749432 Cast, heat-resistant austenitic stainless steels having reduced alloying element content Jul. 6, 2010
7513960 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same Apr. 7, 2009
7455811 Brazing material and brazed products manufactured therewith Nov. 25, 2008
6355212 Alloy for corrosion-resistant coatings or surface coatings Mar. 12, 2002
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
5693155 Process for using anti-coking steels for diminishing coking in a petrochemical process Dec. 2, 1997
5393487 Steel alloy having improved creep strength Feb. 28, 1995
5340534 Corrosion resistant austenitic stainless steel with improved galling resistance Aug. 23, 1994
5340413 Fe-NI based soft magnetic alloys having nanocrystalline structure Aug. 23, 1994
5316721 Heat-resistant alloy having high creep rupture strength under high-temperature low-stress conditions and excellent resistance to carburization May. 31, 1994
5252148 Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same Oct. 12, 1993
5244513 Fe-Cr-Ni-Si shape memory alloys with excellent stress corrosion cracking resistance Sep. 14, 1993
5223214 Heat treating furnace alloys Jun. 29, 1993
5019331 Heat-resistant alloy May. 28, 1991
4999159 Heat-resistant austenitic stainless steel Mar. 12, 1991
4981647 Nitrogen strengthened FE-NI-CR alloy Jan. 1, 1991
4917860 Corrosion resistant alloy Apr. 17, 1990
4853185 Nitrogen strengthened Fe-Ni-Cr alloy Aug. 1, 1989
4720435 Nuclear grade steel articles Jan. 19, 1988
4671929 Austenitic stainless steel with improved resistance to corrosion by nitric acid Jun. 9, 1987
4653684 Welding material for austenite stainless steel having high Si content and method of application Mar. 31, 1987
4405389 Austenitic stainless steel casting alloy for corrosive applications Sep. 20, 1983
4381941 Method for improving surface defect of specific steel resistant to concentrated nitric acid May. 3, 1983
4279648 High silicon chromium nickel steel for strong nitric acid Jul. 21, 1981
4171218 Anticorrosive bellows Oct. 16, 1979
4158606 Austenitic stainless steel alloys having improved resistance to fast neutron-induced swelling Jun. 19, 1979
4119456 High-strength cast heat-resistant alloy Oct. 10, 1978
4077801 Iron-chromium-nickel heat resistant castings Mar. 7, 1978
4011133 Austenitic stainless steel alloys having improved resistance to fast neutron-induced swelling Mar. 8, 1977
4000984 High silicon-containing austenitic-iron-chromium-nickel alloys Jan. 4, 1977
3969109 Oxidation and sulfidation resistant austenitic stainless steel Jul. 13, 1976











 
 
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