Patents Assigned to CRS Holdings, Inc.
  • Patent number: 10837091
    Abstract: A nickel-base alloy is disclosed that has the following weight percent composition. C about 0.005 to about 0.06 Cr about 13 to about 17 Fe about 4 to about 20 Mo about 3 to about 9 W up to about 8 Co up to about 12 Al about 1 to about 3 Ti about 0.6 to about 3 Nb up to about 5.5 B about 0.001 to about 0.012 Mg about 0.0010 to about 0.0020 Zr about 0.01 to about 0.08 Si up to about 0.7 P up to about 0.05 and the balance is nickel, usual impurities, and minor amounts of other elements as residuals from alloying additions during melting. The alloy provides a combination of high strength, good creep resistance, and good resistance to crack growth. A method of heat treating a nickel base superalloy to improve the tensile ductility of the alloy is also disclosed. An article of manufacture made from the nickel base superalloy described herein is also disclosed.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: November 17, 2020
    Assignee: CRS HOLDINGS, INC.
    Inventors: Karl A. Heck, Samuel J. Kernion
  • Patent number: 10704125
    Abstract: A method of making a small diameter elongated steel article such as wire or strip is disclosed. The method includes the step of melting a steel alloy having the following weight percent composition C 0.88-1.00 Mn 0.20-0.80 Si 0.50 max. P 0.050 max. S 0.010-0.100 Cr 0.15-0.90 Ni 0.10-0.50 Mo 0.25 max. Cu 0.08-0.23 V 0.025-0.15? N 0.060 max. O 0.040 max. and the balance is iron and usual impurities. The method includes melting the alloy, atomizing the molten alloy to make a pre-alloyed metal powder, consolidating the metal powder to substantially full density, and then hot working the consolidated metal powder to form an intermediate elongated article. The method further includes a multi-step heat treating process. A small diameter, elongated steel article having enhanced machinability is also disclosed.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 7, 2020
    Assignee: CRS HOLDINGS, INC.
    Inventors: Olivier Schiess, Pierre Marechal, Gregory J. Del Corso, Alberto Polar-Rosas
  • Patent number: 10472706
    Abstract: A high strength, high toughness steel alloy is disclosed. The alloy has the following broad weight percent composition. Element Broad C 0.35-0.55 Mn 0.6-1.2 Si 0.9-2.5 P 0.01 max. S 0.001 max. Cr 0.75-2.0? Ni 3.5-7.0 Mo + ½ W 0.4-1.3 Cu 0.5-0.6 Co 0.01 max. V + (5/9) × Nb 0.2-1.0 Fe Balance Included in the balance are the usual impurities found in commercial grades of steel alloys produced for similar use and properties. Also disclosed is a hardened and tempered article that has very high strength and fracture toughness. The article is formed from the alloy having the broad weight percent composition set forth above. The alloy article according to this aspect of the invention is further characterized by being tempered at a temperature of about 500° F. to 600° F.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 12, 2019
    Assignee: CRS HOLDINGS, INC.
    Inventor: Paul M. Novotny
  • Patent number: 10458007
    Abstract: A quench and temper steel alloy is disclosed having the following composition in weight percent. C 0.2-0.5 Mn 0.1-1.0 Si 0.1-1.2 Cr ??9-14.5 Ni 2.0-5.5 Mo 1-2 Cu ??0-1.0 Co 1-4 W 0.2 max. V 0.1-1.0 Ti up to 0.5 Nb ??0-0.5 Ta ??0-0.5 Al ??0-0.25 Ce ??0-0.01 La ??0-0.01 The balance of the alloy is iron and the usual impurities including not more than about 0.01% phosphorus, not more than about 0.010% sulful, and not more than about 0.10% nitrogen. A quenched and tempered steel article made from this alloy is also disclosed. The steel article is characterized by a tensile strength of at least about 290 ksi, a fracture toughness (kIc) of at least about 65 ksi, good resistance to general corrosion, and good resistance to pitting corrosion.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: October 29, 2019
    Assignee: CRS HOLDINGS, INC.
    Inventor: David E. Wert
  • Patent number: 10384315
    Abstract: An exemplary welding consumable according to the invention is provided and includes up to about 0.13 wt % carbon, about 0.3 wt % to about 1.4 wt % manganese, about 7.25 wt % to about 11.5 wt % nickel, about 0.6 wt % to about 1.2 wt % molybdenum, about 0.2 wt % to about 0.7 wt % silicon, up to about 0.3 wt % vanadium, up to about 0.05 wt % titanium, up to about 0.08 wt % zirconium, up to about 2.0 wt % chromium, and a balance of iron and incidental impurities.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: August 20, 2019
    Assignees: CRS Holdings, Inc., The United States Of America, as represented by the Secretary Of The Navy
    Inventors: Matthew Sinfield, Jeffrey Farren, Richard Wong, William J. Martin, Richard H. Smith, Shane Para, James E. Heilmann, Paul M. Novotny, Patrick C. Ray, Dan DeAntonio, Joe Stravinskas
  • Patent number: 10280492
    Abstract: A steel alloy is disclosed that provides a unique combination of strength, toughness, and fatigue life. The steel alloy has the following composition in weight percent: C about 0.15 to about 0.30 Mn about 1.7 to about 2.3 Si about 0.7 to about 1.1 Cr about 1.85 to about 2.35 Ni about 0.5 to about 0.9 Mo+½W about 0.1 to about 0.3 Cu about 0.3 to about 0.7 V+ 5/9×Nb about 0.2 to about 0.5. The balance of the alloy is iron, usual impurities, and residual amounts of other elements added during melting for deoxidizing and/or desulfurizing the alloy. A hardened and tempered steel article made from the alloy is also disclosed.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 7, 2019
    Assignee: CRS HOLDINGS, INC.
    Inventor: Paul M. Novotny
  • Patent number: 10280498
    Abstract: A nickel-base alloy is disclosed that has the following weight percent composition. C about 0.005 to about 0.06 Cr about 13 to about 17 Fe about 4 to about 20 Mo about 3 to about 9 W up to about 8 Co up to about 12 Al about 1 to about 3 Ti about 0.6 to about 3 Nb up to about 5.5 B about 0.001 to about 0.012 Mg about 0.0010 to about 0.0020 Zr about 0.01 to about 0.08 Si up to about 0.7 P up to about 0.05 and the balance is nickel, usual impurities, and minor amounts of other elements as residuals from alloying additions during melting. The alloy provides a combination of high strength, good creep resistance, and good resistance to crack growth. A method of heat treating a nickel base superalloy to improve the tensile ductility of the alloy is also disclosed. An article of manufacture made from the nickel base superalloy described herein is also disclosed.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 7, 2019
    Assignee: CRS HOLDINGS, INC.
    Inventors: Karl A. Heck, Samuel J. Kernion
  • Publication number: 20180363105
    Abstract: A method of manufacturing a ferrous alloy article is disclosed and includes the steps of melting a ferrous alloy composition into a liquid, atomizing and solidifying the liquid into powder particles, removing oxygen from surfaces of the powder particles to reduce a bulk oxygen content to approximately ?20 ppm, and consolidating the powder particles into a monolithic article.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Applicant: CRS Holdings Inc.
    Inventors: David E. Wert, Timothy R. Armstrong, David A. Helmick, Michael L. Schmidt
  • Patent number: 10094007
    Abstract: A method of manufacturing a ferrous alloy article is disclosed and includes the steps of melting a ferrous alloy composition into a liquid, atomizing and solidifying of the liquid into powder particles, outgassing to remove oxygen from the surface of the powder particles, and consolidating the powder particles into a monolithic article.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: October 9, 2018
    Assignee: CRS Holdings Inc.
    Inventors: David E. Wert, Timothy R. Armstrong, David A. Helmick, Michael L. Schmidt
  • Patent number: 9957594
    Abstract: A high strength, high toughness steel alloy is disclosed. The alloy has the following weight percent composition. Element C 0.30-0.55 Mn ?0.6-1.75 Si 0.9-2.8 Cr 0.6-2.5 Ni 2.70-7.0? Mo + ½ W 0.25-1.3? Cu 0.30-1.25 Co ?0.01 max. V + ( 5/9) × Nb 0.10-1.0? Ti ?0.01 max. Al 0.015 max. Ca 0.005 max. The alloy further includes a grain refining element selected from the group consisting of 0.0001-0.01% Mg, 0.001-0.025% Y, and a combination thereof. The balance of the alloy is iron and the usual impurities found in commercial grades of steel alloys produced for similar use and properties. In this regard phosphorus is limited to not more than about 0.01% and sulfur is limited to not more than about 0.001%. Also disclosed is a hardened and tempered article that has very high strength and fracture toughness. The article is formed from the alloy having the weight percent composition set forth above.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 1, 2018
    Assignee: CRS HOLDINGS, INC.
    Inventor: Paul M. Novotny
  • Publication number: 20170106478
    Abstract: An exemplary welding consumable according to the invention is provided and includes up to about 0.13 wt % carbon, about 0.3 wt % to about 1.4 wt % manganese, about 7.25 wt % to about 11.5 wt % nickel, about 0.6 wt % to about 1.2 wt % molybdenum, about 0.2 wt % to about 0.7 wt % silicon, up to about 0.3 wt % vanadium, up to about 0.05 wt % titanium, up to about 0.08 wt % zirconium, up to about 2.0 wt % chromium, and a balance of iron and incidental impurities.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Applicants: CRS Holdings Inc., The United States of America as represented by the Secretary of the Navy
    Inventors: Mathew Sinfield, Jeffrey Farren, Richard Wong, William J. Martin, Richard H. Smith, Shane Para, James E. Heilmann, Paul M. Novotny, Patrick C. Ray, Dan DeAntonio, Joe Stravinskas
  • Patent number: 9518313
    Abstract: A high strength, high toughness steel alloy is disclosed. The alloy has the following weight percent composition. Element C 0.30-0.47 Mn 0.8-1.3 Si 1.5-2.5 Cr 1.5-2.5 Ni 3.0-5.0 Mo + ½ W 0.7-0.9 Cu 0.70-0.90 Co ?0.01 max. V + ( 5/9) × Nb 0.10-0.25 Ti 0.005 max. Al 0.015 max. Fe Balance Included in the balance are the usual impurities found in commercial grades of steel alloys produced for similar use and properties including not more than about 0.01% phosphorus and not more than about 0.001% sulfur. Also disclosed is a hardened and tempered article that has very high strength and fracture toughness. The article is formed from the alloy having the broad weight percent composition set forth above. The alloy article according to this aspect of the invention is further characterized by being tempered at a temperature of about 500° F. to 600° F.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: December 13, 2016
    Assignee: CRS HOLDINGS, INC.
    Inventor: Paul M. Novotny
  • Patent number: 9351547
    Abstract: A ferrous alloy is provided for coining The ferrous alloy includes a composition of: 4.00-10.80 wt % of chromium (Cr), 8.00-25.00 wt % of nickel (Ni), 3.00-6.00 wt % of copper (Cu), and a balance of iron (Fe) and incidental impurities.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 31, 2016
    Assignee: CRS Holdings Inc.
    Inventor: Christopher F. Pilliod
  • Publication number: 20160108499
    Abstract: A nanostructured titanium alloy article is provided. The nanostructured alloy includes a developed titanium structure having at least 80% of grains of a grain size ?1.0 microns.
    Type: Application
    Filed: March 14, 2014
    Publication date: April 21, 2016
    Applicant: CRS HOLDING INC.
    Inventors: Gian Colombo, Venkata N Anumalasetty, Graham McIntosh, Yuliya Mardakhayeva
  • Patent number: 9267192
    Abstract: A corrosion resistant, neutron absorbing, austenitic alloy powder is disclosed having the following composition in weight percent. C 0.08 max. Mn up to 3 Si up to 2 P 0.05 max. S 0.03 max. Cr 17-27 Ni 11-20 Mo + (W/1.92) ??up to 5.2 BEq 0.78-13.0 O ?0.1 max. N ??up to 0.2 Y less than 0.005 The alloy contains at least about 0.25% B, at least about 0.05% Gd, and the balance of the alloy composition is iron and usual impurities. BEq is defined as % B+4.35×(% Gd). An article of manufacture made from consolidated alloy powder is also disclosed which is characterized by a plurality of boride and gadolinide particles dispersed within a matrix. The boride and gadolinide particles are predominantly M2B, M3B2, M3X, and M5X in form, where X is gadolinium or a combination of gadolinium and boron and M is one or more of the elements silicon, chromium, nickel, molybdenum, iron.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: February 23, 2016
    Assignee: CRS HOLDINGS, INC.
    Inventors: Michael L. Schmidt, Gregory J. Del Corso, Patrick C. Ray, Ning Ma
  • Publication number: 20150337419
    Abstract: An austenitic stainless steel alloy is provided that includes 0.7-1.2 wt % of N, 10-25 wt % of Ni, 26-34 wt % of Cr, 0.1-1.0 wt % of Nb, 0.1-1.0 wt % of V, and a balance of Fe and incidental impurities.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 26, 2015
    Applicant: CRS HOLDINGS INC.
    Inventor: John H. Magee
  • Publication number: 20150118095
    Abstract: A method of manufacturing a ferrous alloy article is disclosed and includes the steps of melting a ferrous alloy composition into a liquid, atomizing and solidifying of the liquid into powder particles, outgassing to remove oxygen from the surface of the powder particles, and consolidating the powder particles into a monolithic article.
    Type: Application
    Filed: May 20, 2014
    Publication date: April 30, 2015
    Applicant: CRS HOLDINGS INC.
    Inventors: David E. Wert, Timothy R. Armstrong, David A. Helmick, Michael L. Schmidt
  • Publication number: 20140271336
    Abstract: A nanostructured titanium alloy article is provided. The nanostructured alloy includes a developed structure that has been processed from a combination of severe plastic deformation and non-severe plastic deformation type thermomechanical processing steps, with at least 80% of grains in the developed structure having a grain size?1.0 microns.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: CRS HOLDINGS INC.
    Inventors: Gian Colombo, Venkata N. Anumalasetty, Graham McIntosh
  • Publication number: 20140250966
    Abstract: A ferrous alloy is provided for coining The ferrous alloy includes a composition of: 4.00-10.80 wt % of chromium (Cr), 8.00-25.00 wt % of nickel (Ni), 3.00-6.00 wt % of copper (Cu), and a balance of iron (Fe) and incidental impurities.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 11, 2014
    Applicant: CRS Holdings Inc.
    Inventor: Christopher F. Pilliod
  • Patent number: 8795584
    Abstract: A small diameter, elongated steel article, comprising fully consolidated, prealloyed metal powder is disclosed. The consolidated metal powder has a microstructure that has a substantially uniform distribution of fine grains having a grain size of not larger than about 9 when determined in accordance with ASTM Standard Specification E 112. The microstructure of the consolidated metal powder is further characterized by having a plurality of substantially spheroidal carbides uniformly distributed throughout the consolidated metal powder that are not greater than about 6 microns in major dimension and a plurality of sulfides uniformly distributed throughout the consolidated metal powder wherein the sulfides are not greater than about 2 microns in major dimension. A process for making the elongated steel article is also disclosed.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 5, 2014
    Assignee: CRS Holdings, Inc.
    Inventors: Olivier Schiess, Pierre Marechal, Gregory J. Del Corso