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Class Information
Number: 420/106
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Chromium containing, but less than 9 percent > Molybdenum containing > Boron or beryllium containing
Description: Alloy or metallic composition which additionally contains one or more of boron or beryllium.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8647449 Alloys for hardbanding weld overlays Feb. 11, 2014
8617462 Steel for oil well pipe excellent in sulfide stress cracking resistance Dec. 31, 2013
8592050 Piston ring Nov. 26, 2013
8580050 Carburized machine parts Nov. 12, 2013
8323561 Fire-resistant steel material superior in HAZ toughness of welded joint and method of production of same Dec. 4, 2012
8168010 Low alloy steel for oil well pipes having excellent sulfide stress cracking resistance May. 1, 2012
8101029 Weld metal of high-strength Cr-Mo steel Jan. 24, 2012
8097099 High toughness abrasion resistant steel with little change in hardness during use and method of production of same Jan. 17, 2012
8048237 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same Nov. 1, 2011
8025746 Turbine casing Sep. 27, 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
7635406 Method for manufacturing a low alloy steel excellent in corrosion resistance Dec. 22, 2009
7597841 Weld metal excellent in toughness and SR cracking resistance Oct. 6, 2009
7357060 Vehicle armor Apr. 15, 2008
7264684 Steel for steel pipes Sep. 4, 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
7048811 Electric resistance-welded steel pipe for hollow stabilizer May. 23, 2006
6821360 Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel Nov. 23, 2004
6689312 Alloy composition and improvements in mold components used in the production of glass containers Feb. 10, 2004
6645320 Steel sheet excellent in ductility and strength stability after heat treatment Nov. 11, 2003
6436163 Metal filter for high temperature applications Aug. 20, 2002
6379611 High strength, low alloy, heat resistant steel Apr. 30, 2002
6358336 Heat resistance Cr-Mo alloy steel Mar. 19, 2002
6290904 Welding materials for high-Cr steels Sep. 18, 2001
6254697 Cast steel material for pressure vessels and method of making a pressure vessel by using same Jul. 3, 2001
6228183 Ultra-high strength, weldable, boron-containing steels with superior toughness May. 8, 2001
6224825 Case hardening steel May. 1, 2001
6187113 Steel alloy for manufacturing bumpers for motor vehicles Feb. 13, 2001
6136266 Soft, low carbon steel alloy with increased deformability for structural reinforcement parts of motor vehicles Oct. 24, 2000
6126897 Carburizing steel and steel products manufactured making use of the carburizing steel Oct. 3, 2000
6095756 High-CR precision casting materials and turbine blades Aug. 1, 2000
5961284 High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine Oct. 5, 1999
5945064 Welding material for low chromium (Cr) ferritic steel having high toughness Aug. 31, 1999
5928442 Medium/high carbon low alloy steel for warm/cold forming Jul. 27, 1999
5919415 Steel and process for the manufacture of a steel component formed by cold plastic deformation Jul. 6, 1999
5855846 Steel repairable by welding for the manufacture of molds for plastics Jan. 5, 1999
5855845 Low alloy steel for the manufacture of molds for plastics Jan. 5, 1999
5814274 Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent high teperature strength and weldability Sep. 29, 1998
5762725 Steel for the manufacture of forging having a bainitic structure and process for manufacturing a forging Jun. 9, 1998
5746843 Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures May. 5, 1998
5645794 Low alloy steel for the manufacture of molds for plastics and for rubber Jul. 8, 1997
5605559 Alloy steel powders, sintered bodies and method Feb. 25, 1997
5407635 Low-chromium ferritic heat-resistant steel with improved toughness and creep strength Apr. 18, 1995
5211909 Low-alloy heat-resistant steel having improved creep strength and toughness May. 18, 1993
5186768 Flat spring hose clamp and manufacture of same Feb. 16, 1993
4957702 Air-cooling duplex bainite-martensite steels Sep. 18, 1990
4902473 Rotary brake disc Feb. 20, 1990

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