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Search Results for Ferrium C69

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Journal Articles
Alloy Digest (2005) 54 (12): SA-553.
Published: 01 December 2005
... Ferrium C69 is a case/core steel with a case hardness of 69 HRC and a core hardness of 50 HRC. It is used in racing applications, where rolling contact fatigue is an issue, and will be undergoing testing by the National Aeronautics and Space Administration (NASA) for aerospace gear applications...
Journal Articles
Alloy Digest (2005) 54 (11): SA-551.
Published: 01 November 2005
... resulting in a did not finish (DNF) status. QuesTek is testing both Ferrium C61 and Ferrium C69 for this application. Aerospace. Currently, the alloy is under test at Battelle and NASA Glenn Research Center to extensively test 25 gear sets for high-performance helicopters. Producer: QuesTek Innovations...