... :aluminum alloy such as 60004) Various in size, style (aluminum profile , rods, angles, square bars , "T" profiles, and "U" channel5)Surface ... Not: Is Alloy Model Number: 120120100 Brand Name: PANGUMaterial: 6063Temper: T5 Hardness: 8-15° Finish: Mill finished, anodized,powder coated,polished ...