This specification covers a corrosion and heat-resistant steel in the form of sheet, strip, foil, and plate 0.0015 inch (0.038 mm) and greater in nominal thickness.
Rationale:
AMS5520H prohibits unauthorized exceptions (1.1, 3.5, 3.8, 4.4.1, 5.1.1, 8.6), updates composition testing (3.1), adds AMS2761 (3.3.1), adds continuous heat treatment (3.3.2), adds strain rate (3.4.1), adds country of origin (4.4), updates heat treatment to table formatting (Tables 4 and 6), allows prior revisions (8.5), and is the result of a Five-Year Review and update of the specification.
