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Wrought Cr--W--V bainitic/ferritic steel compositions

United States Patent

July 11, 2006
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A high-strength, high-toughness steel alloy includes, generally, about 2.5% to about 4% chromium, about 1.5% to about 3.5% tungsten, about 0.1% to about 0.5% vanadium, and about 0.05% to 0.25% carbon with the balance iron, wherein the percentages are by total weight of the composition, wherein the alloy is heated to an austenitizing temperature and then cooled to produce an austenite transformation product.
Klueh; Ronald L. (Knoxville, TN), Maziasz; Philip J. (Oak Ridge, TN), Sikka; Vinod Kumar (Oak Ridge, TN), Santella; Michael L. (Knoxville, TN), Babu; Sudarsanam Suresh (Knoxville, TN), Jawad; Maan H. (St. Louis, MO)
UT-Battelle, LLC (Oak Ridge, TN)
10/ 323,194
December 18, 2002
The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.