... window grill design for aluminuma. Material : 6061, 6063, 6065b. Temper : T5/T6c. Thickness : 0.5mm-1.5mmd. Surface treatment : Mill finish, Anodized, Powder ... coating (RAL International), Electrophoresis, Wood grain, etc.e. Packing : EPE form, Heat soak protective wrap, Plastic wrap, or custom request.window grill design ... American Standard AAMA611-98 products. window grill design for aluminum