Aluminium Tread Plate 1) Alloy:1050,1060,3003,3005,5052,5083 2) Temper: ... , H16, H18, H22, H24, H26, 3) 3Bars, 5Bars Aluminum Tread Plate (Checkered Sheet) 1) Alloy: 1050,1060,3003,3004,5052,5083 ... . Weight: 2-3 tons per pallet7. ID Core Material: paper,aluminium,steel,plastic