Pre-galvanized steel pipe

Square Outer Diameter: 10x10mm - 100x100mm  Rectangular Outer Diameter: 10x20mm - 50x100mm  Round Outer diameter: 15mm - 100mm  Thickness: 0.5mm - 2.5mm  Length: as requested ( normal 5.8M,6M,11.8M)  Ends: plain ends  Standard: ASTM A53, BS1387, DIN2440, JIS3101 ,GB  Material: Q195, Q235,Q345  Packing: in bundles  Zinc coatings: 30gram - 275gram  MOQ: 10 tons of each size