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AMS6511B - Steel, Maraging, Bars, Forgings, Tubing, and Rings, 18Ni - 8.5Co - 3.2Mo - 0.20Ti - 0.10Al, Double Vacuum Melted, Annealed

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Document Number: AMS6511B
Project Initiation: 2016-09-19 09:58:59.0
Project Number:
Revision Number: B
Sponsor Name: Gary Brown
Title
Steel, Maraging, Bars, Forgings, Tubing, and Rings, 18Ni - 8.5Co - 3.2Mo - 0.20Ti - 0.10Al, Double Vacuum Melted, Annealed
Scope
<p>This specification covers a premium aircraft-quality steel in the form of bars, forgings, mechanical tubing, flash welded rings up through 6.000 inches (152.40 mm), and stock for forging or flash welded rings.</p>
Rationale
<p>AMS6511B results from a Five-Year Review and update of this specification that revises composition analytical methods (3.1) and the heat treatment parameters (3.4), adds strain rate control on tensile testing (3.5.5.1.1), revises quality (3.6.2), adds no unauthorized exceptions (3.8), and revises reporting (4.4) and identification (5.2.1).</p>
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