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Class Information
Number: 420/104
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Chromium containing, but less than 9 percent
Description: Alloy or metallic composition which additionally contains chromium.










Sub-classes under this class:

Class Number Class Name Patents
420/105 Molybdenum containing 88
420/112 Nickel containing 73
420/115 Processes 15
420/114 Tungsten containing 28


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5158624 Soft-magnetic nickel-iron-chromium alloy Oct. 27, 1992
5123957 Method for manufacturing low carbon ferrochrome with high chromium content Jun. 23, 1992
5077003 Rolling-part steel and rolling part employing same Dec. 31, 1991
5049210 Oil Country Tubular Goods or a line pipe formed of a high-strength martensitic stainless steel Sep. 17, 1991
5028388 Method for producing chromium containing molten iron with low sulphur concentration Jul. 2, 1991
5013525 Steel for corrosion-resistant rolling part and rolling part May. 7, 1991
4992239 Khare steel Feb. 12, 1991
4975242 Carbon steel for machine structural use Dec. 4, 1990
4957702 Air-cooling duplex bainite-martensite steels Sep. 18, 1990
4946645 Steel for gears, having high strength, toughness and machinability Aug. 7, 1990
4933027 Iron-based shape-memory alloy excellent in shape-memory property, corrosion resistance and high-temperature oxidation resistance Jun. 12, 1990
4929289 Iron-based shape-memory alloy excellent in shape-memory property and corrosion resistance May. 29, 1990
4919885 Corrosion resistant steel structural member Apr. 24, 1990
4891274 Hot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistance Jan. 2, 1990
4891079 High saturated magnetic flux density alloy Jan. 2, 1990
RE33022 Ferromagnetic amorphous alloy Aug. 15, 1989
4842818 Method for manufacturing tapered rods Jun. 27, 1989
4842816 High toughness steel Jun. 27, 1989
4842657 Amorphous alloys containing iron group elements and zirconium and particles made of said alloys Jun. 27, 1989
4838963 Micro-alloyed steels Jun. 13, 1989
4822567 Antibiotic alloys Apr. 18, 1989
4790889 Hot-rolled strip having a dual-phase structure Dec. 13, 1988
4790977 Silicon modified low chromium ferritic alloy for high temperature use Dec. 13, 1988
4784922 Corrosion-resistant clad steel and method for producing the same Nov. 15, 1988
4748000 Soft magnetic thin film May. 31, 1988
4741880 Steel May. 3, 1988
4717536 Weld bead electrode for producing same and method of use Jan. 5, 1988
4710244 Dredger teeth Dec. 1, 1987
4695333 Iron-chromium-base spinodal decomposition-type magnetic (hard or semi-hard) alloy Sep. 22, 1987
H326 Mn-Fe base and Mn-Cr-Fe base austenitic alloys Sep. 1, 1987
4690711 Sintered compact and process for producing same Sep. 1, 1987
4642219 Bearing steel and method of manufacturing the same Feb. 10, 1987
4640722 High temperature ferritic steel Feb. 3, 1987
4637843 Core of a noise filter comprised of an amorphous alloy Jan. 20, 1987
4623387 Amorphous alloys containing iron group elements and zirconium and articles made of said alloys Nov. 18, 1986
4581080 Magnetic head alloy material and method of producing the same Apr. 8, 1986
4533390 Ultra high carbon steel alloy and processing thereof Aug. 6, 1985
4531974 Work-hardenable austenitic manganese steel and method for the production thereof Jul. 30, 1985
4491476 Boron-containing steel and a process for producing the same Jan. 1, 1985
4464209 Clad steel pipe excellent in corrosion resistance and low-temperature toughness and method for manufacturing same Aug. 7, 1984
4437891 Oil-atomized low-alloy steel powder Mar. 20, 1984
4409026 Spring steel for vehicles Oct. 11, 1983
4364772 Rail wheel alloy Dec. 21, 1982
4360381 Ferritic stainless steel having good corrosion resistance Nov. 23, 1982
4348229 Enamelling steel sheet Sep. 7, 1982
4290799 Ferromagnetic metal pigment essentially consisting of iron and a process for its production Sep. 22, 1981
4251296 Method of preparing an oriented-low-alloy iron from an ingot of controlled sulfur, manganese and oxygen contents Feb. 17, 1981
4251295 Method of preparing an oriented low alloy iron from an ingot alloy having a high initial sulfur content Feb. 17, 1981
4224060 Hard alloys Sep. 23, 1980
4222772 Structural steel plate highly resistant to nitrate stress corrosion cracking Sep. 16, 1980

1 2 3 4










 
 
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