AMS5556K is the result of a Five-Year Review and update of the specification. The revision updates composition and reporting requirements (3.1, 3.1.1), adds passivation as a requirement and updates finishing (3.2, 3.3), updates Table 2 adding references and additional thicknesses, adds strain rate control (18.104.22.168), revises pressure testing consistent with other tube specs (3.4.3), range of magnification added consistent with other tubing specs (3.4.5), update of cleanliness evaluation (3.5.2), adds NDT requirements (3.5.3, 3.5.4, 22.214.171.124, 4.4.2, 4.4.3), clarifies hydraulic tubing requirements (3.6, 5.2), prohibits unauthorized exceptions (3.7, 4.4.5, 6.2.1, 8.4), and allows prior revisions (8.3).
Heat resistant materials
Corrosion resistant alloys
Also known as: SAE AMS 5556
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