With the official in your hands, you are no longer guessing—you are complying.
It defines finishes from No. 1 (dull, heat-treated) to No. 8 (mirror-like). astm a480 a480m pdf
: Cold-finished product under 3/16 inch (4.76 mm) in thickness and under 24 inches (610 mm) in width. 2. Critical Requirements With the official in your hands, you are