1) Outer Diameter: 20 ~ 220mm 2) Wall Thickness: 0.8~ 8mm3) Spec.: Q195, Q215, Q235, Q3454) Standards: ASTM-A53A, 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 pipes6) Packing: According to our clients'' demand