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Class Information
Number: 420/114
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Chromium containing, but less than 9 percent > Tungsten containing
Description: Alloy or metallic composition which additionally contains tungsten.










Patents under this class:

Patent Number Title Of Patent Date Issued
8709336 Method for making an abrasion-resistant steel plate and plate obtained Apr. 29, 2014
8647449 Alloys for hardbanding weld overlays Feb. 11, 2014
8562759 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings Oct. 22, 2013
8562760 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings Oct. 22, 2013
7820098 High Cr ferritic heat resistance steel Oct. 26, 2010
7575646 Heat-treated steel wire for high strength spring Aug. 18, 2009
7537727 Eglin steel--a low alloy high strength composition May. 26, 2009
7494618 Alloy tool steel Feb. 24, 2009
7074286 Wrought Cr--W--V bainitic/ferritic steel compositions Jul. 11, 2006
6942741 Iron alloy strip for voice coil motor magnetic circuits Sep. 13, 2005
6841122 Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel Jan. 11, 2005
6821360 Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel Nov. 23, 2004
6482354 High-hardness powder metallurgy tool steel and article made therefrom Nov. 19, 2002
6096262 Martensitic heat resisting steel Aug. 1, 2000
6057045 High-speed steel article May. 2, 2000
5830287 Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same Nov. 3, 1998
5817191 Iron-based soft magnetic alloy containing cobalt for use as a solenoid core Oct. 6, 1998
5753005 Source powder for wear-resistant sintered material May. 19, 1998
5746843 Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures May. 5, 1998
5456770 Amorphous magnetic alloy with high magnetic flux density Oct. 10, 1995
5201965 Heat-resistant cast steel, method of producing same, and exhaust equipment member made thereof Apr. 13, 1993
5032356 High fatigue strength metal band saw backing material Jul. 16, 1991
4729872 Isotropic tool steel Mar. 8, 1988
H326 Mn-Fe base and Mn-Cr-Fe base austenitic alloys Sep. 1, 1987
4533406 Minimum activation martensitic alloys for surface disposal after exposure to neutron flux Aug. 6, 1985
4459162 Hot work steel Jul. 10, 1984
4232096 Composite steel material and composite steel tool made from this material Nov. 4, 1980
4224060 Hard alloys Sep. 23, 1980
3954454 Temper embrittlement free low alloy steel May. 4, 1976











 
 
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