This specification covers an aircraft-quality, low-alloy steel in the form of heat-treated bars and forgings, and of forging stock.
Rationale
AMS6472H is the result of a Five-Year Review and update of the specification. The revision updates the title to include product form and quality consistent with the Scope and Quality, adds composition reporting information (see 3.1.1), clarifies the macrostructure requirements (see 3.4.1 and 8.7), revises decarburization testing methods (see 3.4.4.4), incorporates the requirements of AMS2301 (see 4.2.1, 4.4.1, 4.4.3, and 4.4.5), adds ordering operations for forging stock (see 4.4.3), adds information on ordering bar (see 8.5), and updates the prohibition on product exceptions (note removed from Table 2; see 8.6).
The committee of Carbon and Low Alloy Steels, AMS Committee E, shall prepare, coordinate, and revise documents related to carbon and low alloy steels technology, such as steel cleanliness and steel quality assurance sampling, through the participation of metals suppliers, users, and interested government agencies. Committee activities shall provide a forum for the cooperative interchange of ideas and experience of the participants, resulting in the publication of specifications that embody sound, established aerospace industry practices and requirements to serve the suppliers and customers of aerospace materials.
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AMS6472H
Steel, Bars and Forgings and Forging Stock, Nitriding, 1.6Cr - 0.35Mo - 1.1Al (0.38 - 0.43C) (135 Mod), Aircraft Quality, Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength
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Steel, Bars and Forgings and Forging Stock, Nitriding, 1.6Cr - 0.35Mo - 1.1Al (0.38 - 0.43C) (135 Mod), Aircraft Quality, Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength
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