Name: Square Steel pipes
Standard: ASTM A500, ASTM A53, EN10219, BS1387-1985
Material: Q195, Q215, Q235, Q345
Specification: OD:10mm×10mm—-400mm×200mm
Wall thickness: 0.6mm-12mm
Surface treatment: Hot-dipping galvanized, pre-galvanized, oil coating, lacquering