1) Length: 1m-1.8m, 1.6m-2.5m, 1.6m-3.0m, 1.7m-3.2m, 1.8m-3.2m 2.0m-3.6m, 2.2m-4.0m, 3.2m-4.8m， 3.5m-5.0m, etc. 2) Dia: a.40mm/42mm,48mm b.48mm,56mm c.48mm,60mm d.60mm 76mm etc. 3) Thickness: from 1.6mm to 5.0mm 4) Finish: hot dip galvanizing, powder coating, painting, zinc plating 5) Outer packing: Pallet or According to customers' needs 6)Material/steel grade: Q235, Q255, Q275, Q345 7)Pipe: welded, seamless 8) We can supply all of sizes according to customers demand or drawing.