... ) up to 24 inches (OD609.6mm) We supply our products in most aluminum alloys and tempers: 2024, 3003, 5083, 6005, 6101, 6061 ... sooner. 3. Quality guarantee and money refund policy: In case of quality defect in our products we will either send new product for ... . The quality assurance procedures at Horizon Aluminum plants meet the most stringent requirements. All our mills are ISO9001:2000 certified, or ...