Pre-Galvanized Steel Square Pipe – Pre-galvanized steel Pre-Galvanized Steel Square Pipe. Brand:MT-STEEL. Model Number:Q195, Q235, Q345, A53-A369, A500, ST35-52, 10#, 20#, 45#. Place of Origin:CHINA. Minimum Order Quantity:1 Ton. Payment Terms:T/T, L/C, Western Union. Supply Ability:10000T PER W ...