Hot Dipped galvanized steel pipe is producted with hig temperature liquid zinc, enhanced the corrosion and rust resitence. Detailed Product Information :Hot Dipped Galvanized Steel Pipe1.Standard ... : GB,, ASTM, BS, JIS, 2.Material: Q195, Q215, Q235, Q345B, X42, Gr. B3. Use: used for low pressure liquids ...