Electro-Galvanized Pipe，Electro-Galvanized Pipe Wall Thickness:Thin Type: Welded Steel Grade:300 Series Steel PipeGalvanized Usage:Pipe Product Description Electro Galvanized Steel Pipe Specification of Galvanized Steel Pipe 1) Outer diameter: For round pipes 20 ~ 219mm. For square 15*15---200*200 2) Wall thickness: 0.8~ 8mm 3) Spec.: Q195, Q215, Q235, Q345 4) Standards: ASTM-A53, BS1387-1985, GB/T3091-2001. 5) Steel pipe: A) GTC (galvanized threaded and coupling) steel pipe: DN15-DN200 (NB1/2"-NB8") B) GPE (galvanized plain end) steel pipe: DN15-DN200 C) Grooved steel pipe: DN15-DN200 (NB1/2"-NB8") D) Used for low pressure liquid delivery such as water, gas, and oil E) The product apply to various anticorrosive pipes 6) Packing: In bundles