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Class Information
Number: 420/105
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Chromium containing, but less than 9 percent > Molybdenum containing
Description: Alloy or metallic composition which additionally containing molybdenum.










Sub-classes under this class:

Class Number Class Name Patents
420/106 Boron or beryllium containing 67
420/107 Cobalt containing 45
420/108 Nickel containing 71
420/110 Titanium, zirconium or niobium containing 92
420/111 Vanadium containing 89


Patents under this class:
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Patent Number Title Of Patent Date Issued
8617462 Steel for oil well pipe excellent in sulfide stress cracking resistance Dec. 31, 2013
8608874 Spring steel and method for manufacturing the same Dec. 17, 2013
8592050 Piston ring Nov. 26, 2013
8475605 Surface layer-hardened steel part and method of manufacturing the same Jul. 2, 2013
8394209 High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness Mar. 12, 2013
8192562 Spring steel wire excellent in fatigue characteristic and wire drawability Jun. 5, 2012
8187530 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring May. 29, 2012
8057737 Forging steel and its manufacturing method, and forged parts Nov. 15, 2011
8048237 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same Nov. 1, 2011
8002909 Medical devices Aug. 23, 2011
7998282 Heat treatment method of steel components, steel components and manufacture method of steel components Aug. 16, 2011
7935303 Low alloy steel May. 3, 2011
7896984 Method for manufacturing seamless steel pipe for line pipe Mar. 1, 2011
7749338 High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same Jul. 6, 2010
7695576 Low alloy high steel tool having constant toughness Apr. 13, 2010
7670547 Low alloy steel for oil country tubular goods having high sulfide stress cracking resistance Mar. 2, 2010
7618220 Rotary tool Nov. 17, 2009
7597841 Weld metal excellent in toughness and SR cracking resistance Oct. 6, 2009
7566372 Railway car wheel Jul. 28, 2009
7537727 Eglin steel--a low alloy high strength composition May. 26, 2009
7413704 Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature Aug. 19, 2008
7264684 Steel for steel pipes Sep. 4, 2007
7083686 Steel product for oil country tubular good Aug. 1, 2006
6837945 Steel cold work tool, its use and manufacturing Jan. 4, 2005
6821360 Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel Nov. 23, 2004
6783610 Railway wheel alloy Aug. 31, 2004
6680129 Steel composition Jan. 20, 2004
6645320 Steel sheet excellent in ductility and strength stability after heat treatment Nov. 11, 2003
6586117 Steel sheet having excellent workability and shape accuracy and a method for its manufacture Jul. 1, 2003
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6444168 Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions Sep. 3, 2002
6375895 Hardfacing alloy, methods, and products Apr. 23, 2002
6328820 Spring steel superior in fatigue properties Dec. 11, 2001
6248187 Corrosion resisting steel and corrosion resisting oil well pipe having high corrosion resistance to carbon dioxide gas Jun. 19, 2001
6238493 Method of making a weathering grade plate and product thereform May. 29, 2001
6213474 Piston ring and combination of compression rings Apr. 10, 2001
6153024 Wire stock suitable for reinforcement Nov. 28, 2000
6117388 Hot working die steel and member comprising the same for high-temperature use Sep. 12, 2000
6099797 Steel tire cord with high tensile strength Aug. 8, 2000
6096262 Martensitic heat resisting steel Aug. 1, 2000
5985210 Nitriding steel Nov. 16, 1999
5944920 Piston ring material excellent in workability Aug. 31, 1999
5904787 Oil-tempered wire and method of manufacturing the same May. 18, 1999
5746842 Steel gear May. 5, 1998
5720920 Steel having excellent corrosion resistance and steel having excellent corrosion resistance and workability Feb. 24, 1998
5714116 Steel and process for the manufacture of components having high abrasion resistance Feb. 3, 1998
5705124 High carbon bearing steel having a long life Jan. 6, 1998
5698159 Long-life carburizing bearing steel Dec. 16, 1997
5611872 Magnetic strips and methods for making the same Mar. 18, 1997
5545267 Steel product for induction-hardened shaft component and shaft component using the same Aug. 13, 1996

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