Hot rolled black steel pipe

Square Outer Diameter: 20*20mm - 500x500mm Rectangular Outer Diameter: 20*40mm-400x500mm Round Outer diameter: 20mm - 357mm Thickness: 1.2mm - 20mm Length: as requested ( normal 5.8M,6M,11.8M) Standard: ASTM A53, BS1387, GB Material: Q195, Q235,Q345 Packing: in bundles Surface Treatment: Oiled / Water proof cloth MOQ: 5tons of each size Delivery time: 25days