The primary purpose of this standard is to ensure that the anodized finish provides specific performance characteristics, including: Resistance to harsh environments.
Thin Protective — Used where minimal dimensional change is required. astm b580-79 pdf
While the "79" refers to the original 1979 approval, the standard has been reapproved multiple times (e.g., 2014, 2019). The most current active version is ASTM B580-25 , published in April 2025. The primary purpose of this standard is to
ASTM B580-79 (reapproved periodically to ensure technical relevance) is the . Anodizing is an electrochemical process that converts the metal surface into a durable, corrosion-resistant, anodic oxide finish. anodic oxide finish. Specialized thin coatings
Specialized thin coatings, often used as a paint base, with a minimum thickness. Performance Requirements