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AMS6346C - Steel Bars 0.95Cr - 0.20Mo (0.28 to 0.33C) (SAE 4130) Hardened and Tempered, 125 Ksi (862 MPa) Tensile Strength

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Document Number: AMS6346C
Project Initiation: 2017-09-23 14:03:57.0
Project Number:
Revision Number: C
Sponsor Name: Michael He
Title
Steel Bars 0.95Cr - 0.20Mo (0.28 to 0.33C) (SAE 4130) Hardened and Tempered, 125 Ksi (862 MPa) Tensile Strength
Scope
<p>This specification covers an aircraft-quality, low-alloy steel in the form of heat treated bars 1.50 inches (38.1 mm) and less in diameter or least distance between parallel sides.</p>
Rationale
<p>AMS6346C results from a Five-Year Review and update of this specification and revises composition testing analytical methods (3.1), adds tensile testing strain rate (3.3.3.2), revises decarburization determination (3.3.4) and surface quality (3.4.2), prohibits unauthorized exceptions (3.6) and revises reporting (4.4) and identification (5.2).</p>
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