6063 Temper Codes: The Real Secret to Flawless Aluminum Finishes
Temper codes are finish instructions, not paperwork If a 6063 extrusion is going to be visible, the temper code tells you more than strength. It tells you how the alloy was cooled, stretched, and aged, which is exactly what determines whether the final surface looks calm and uniform or slightly wavy and inconsistent. A compact 6063 temper code guide helps decode the labels, but the bigger lesson is simpler: finish quality starts in the thermal history, long before anodizing or powder coating. ...