Aluminium ALUMINIUM Koot Metals works with one of the world’s leading companies in the production of aluminium profiles. This enables Koot Metals to offer the right solutions.Dimensions vary, depending on the alloy, from 1.5 mm to 500 mm in diameter. SPECIFICATIONS: Alloy:Execution:Surface:6060T4Plain6063T5Lacquered6005AT6Anodised 6082T66