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AMS6497A - Steel Bars, Forgings, and Tubing, Nitriding 1.4Cr - 1.2Mo - 0.3V (0.29 - 0.36C), Electroslag Remelted or Consumable Electrode Vacuum Remelted, Premium Aircraft-Quality for Bearing Applications

Details
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Document Number: AMS6497A
Project Initiation: 04-03-2013
Project Number:
Revision Number: A
Sponsor Name: Olivier Laurent
Title
Steel Bars, Forgings, and Tubing, Nitriding 1.4Cr - 1.2Mo - 0.3V (0.29 - 0.36C), Electroslag Remelted or Consumable Electrode Vacuum Remelted, Premium Aircraft-Quality for Bearing Applications
Scope
This specification covers a nitriding grade of premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock. These products have been used typically for nitrided parts such as bearings, operating under heavy loads and high speeds at moderate temperatures, and subject to very rigid inspection standards, and requiring highest surface hardness, high core toughness, and less distortion than parts made from steel requiring quenching to case harden, but usage is not limited to such applications.
Rationale
AMS6497A results from a Five Year Review and update of this specification.
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