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2024 aluminum separate test specimen panel for ASTM B449

ASTM B449 Separate Test Specimens

Separate test specimens used in testing chromate conversion coatings on aluminum per ASTM B449 (Standard Specification for Chromates on Aluminum). Each test specimen is 100 mm x 150 mm (3.9" x 5.9"). The test specimens (also called panels) should be made from the same alloy and have the same surface condition as the coated aluminum parts the specimens will represent.

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