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Class Information
Number: 420/64
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Boron containing
Description: Alloy or metallic composition which additionally contains boron.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8657971 Brake disk excellent in temper softening resistance and toughness Feb. 25, 2014
8591673 Martensitic stainless steel and antifriction bearing using the same Nov. 26, 2013
8558166 Method for determining boron isotopic composition by PTIMS--static double collection Oct. 15, 2013
8470237 Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance t Jun. 25, 2013
8444916 Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance t May. 21, 2013
8430075 Superaustenitic stainless steel and method of making and use thereof Apr. 30, 2013
8318045 Radiation shielding members including nano-particles as a radiation shielding material and method for preparing the same Nov. 27, 2012
8147748 Creep-resistant steel Apr. 3, 2012
8062584 Ferritic stainless steel sheet superior in heat resistance Nov. 22, 2011
8062436 Tensile elongation of near metallic glass alloys Nov. 22, 2011
7952282 Brazing alloy and ceramic discharge lamp employing same May. 31, 2011
7943085 Ferritic stainless steel for automobile exhaust gas passage components and welded steel pipe May. 17, 2011
7819991 Ferritic stainless steel sheet for raw material pipe for bellows pipe Oct. 26, 2010
7785426 Welded joint of tempered martensite based heat-resistant steel Aug. 31, 2010
7682471 Austenitic iron-based alloy Mar. 23, 2010
7572407 Martensitic stainless steel sheet and method for making the same Aug. 11, 2009
7455811 Brazing material and brazed products manufactured therewith Nov. 25, 2008
7267730 Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength Sep. 11, 2007
7170073 Stainless steel product containing B and method for production thereof Jan. 30, 2007
7128791 Heat-resistant martensite alloy excellent in high-temperature creep rupture strength and ductility and process for producing the same Oct. 31, 2006
6761777 High chromium nitrogen bearing castable alloy Jul. 13, 2004
6689312 Alloy composition and improvements in mold components used in the production of glass containers Feb. 10, 2004
6551420 Duplex stainless steel Apr. 22, 2003
6488786 High-strength, high-toughness martensitic stainless steel sheet Dec. 3, 2002
6454879 Process for producing a paramagnetic, corrosion-resistant material and like materials with high yield strength, strength, and ductility Sep. 24, 2002
6332934 Martensitic stainless steel for seamless steel pipe Dec. 25, 2001
6290904 Welding materials for high-Cr steels Sep. 18, 2001
6110252 Powder for corrosion resistant sintered body having excellent ductility Aug. 29, 2000
6095756 High-CR precision casting materials and turbine blades Aug. 1, 2000
6056917 Austenitic stainless steel having a very low nickel content May. 2, 2000
6051081 Austenitic-ferritic steel of the superduplex type applicable to the fabrication of seamless tubes Apr. 18, 2000
5961284 High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine Oct. 5, 1999
5939018 Martensitic stainless steels for seamless steel pipe Aug. 17, 1999
5919577 Fe-based alloy foil for liquid-phase diffusion bonding of Fe-based materials by enabling bonding in oxidizing atmospheres Jul. 6, 1999
5858129 Austenite stainless steel Jan. 12, 1999
5851316 Ferrite stainless steel sheet having less planar anisotropy and excellent anti-ridging characteristics and process for producing same Dec. 22, 1998
5820817 Steel alloy Oct. 13, 1998
5804137 Corrosion and wear resistant iron alloy Sep. 8, 1998
5709836 Chromium steel sheets having an excellent press formability Jan. 20, 1998
5653825 Ferrite-type hot-rolled stainless steel sheet having excellent resistance to surface roughening and to high-temperature fatigue after working Aug. 5, 1997
5643531 Ferrous alloy composition and manufacture and coating methods of mechanical products using the same Jul. 1, 1997
5635255 Method for producing corrosion and wear resistant member by coating substrate with an iron alloy material powder Jun. 3, 1997
5340414 Heat-resistant ferritic cast steel member Aug. 23, 1994
5284528 Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability Feb. 8, 1994
5252148 Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same Oct. 12, 1993
5110378 Metallic glasses having a combination of high permeability, low coercivity, low ac core loss, low exciting power and high thermal stability May. 5, 1992
5030519 Tungsten carbide-containing hard alloy that may be processed by melting Jul. 9, 1991
4891274 Hot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistance Jan. 2, 1990
4824635 P-added ferritic stainless steel having excellent formability and secondary workability Apr. 25, 1989
4822415 Thermal spray iron alloy powder containing molybdenum, copper and boron Apr. 18, 1989

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