... metal working etc.Surface Treatment Technology: anodized, brushing, sand blasting, polishing, powder coating, electrophoresis, black, silver, golden, champagne, hard anodic ... , 2024, 3003, 5052, 6011, 6061, 6063, 6082, 7003, 7005, 7075. Especially No.6063 or No. 6061 is the principal alloy supplied by the ... will always be our number one priority. aluminium 6063 6061 6082 black anodized pipe brackets