AMS-QQ-P-416G adds grade in addition to type to ordering information, corrects the maximum service temperature for Grade A (1.3.1), changes the hydrogen embrittlement relief requirement for Type IIB such that it can be performed before or after the conversion coating (3.2.7), added plate thickness requirement for the adhesion test (4.6.2), and changes the alloy for the corrosion resistance test specimens (Table 1, Note 1).
Corrosion resistant alloys
Coatings, colorants, and finishes
Also known as: SAE AMSQQP 416
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