Galvanized steel tube, with outer diameter 48.3-48.6mm and thickness 1.8mm-4.0mm Galvanized steel tubeOut diameter: 48.3-48.6mm Thickness: 1.8mm-4.0mmLength: as per your requirementStandard: Q235, Q345, STK500, S235JR, S275JR, EN10025, EN10219, BS1139Delivery time: within 7 daysPayment: by 30% deposit first then pay the balance after received the copy of B/L or L/C at sight