AMS4909L results from a Five-Year Review and update of this specification that adds ASTM E539 to analytical methods (3.1), updates exceptions (220.127.116.11, 4.4.2, 5.1, 8.6) and allows for lower temperature for notched/unnotched tensile ratio determination (3.5.3).
Corrosion resistant alloys
Heat resistant alloys
Coatings, colorants, and finishes
Also known as: SAE AMS 4909
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