In the early 1990’s, US Secretary of Defense, William J. Perry, was at the forefront of military specification reform. Perry encouraged the military to use Non-Government Standards and do away with outdated military specifications, asserting that doing so would reduce government oversight and lower costs.
In September 1999, MIL-T-9046J was cancelled, and superseded by SAE AMS-T-9046. AMS-T-9046 was a word-for-word translation of MIL-T-9046J Amendment 2, with minor editorial and format changes. Unfortunately, AMS-T-9046 still covered nearly 20 grades of titanium and multiple conditions, rendering it somewhat complicated for users. In May 2006, AMS-T-9046 was cancelled as well, referring future procurement for each alloy and condition to a separate AMS specification.
If your contract requires use of the superseding specification, refer to the table below pointing to the Superseding Specifications for several material designations within AMS-T-9046.
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