... 1387 pre-galvanized steel pipe Material: Q195, Q235, Q215, 10#, 20#, A53-A369, ST35-ST52Technique: ERWSection Shape: RoundLength: 4.5m, 5 ... : ISO9001-2008Application: Heating pipe, irrigation pipe, structure pipe, fluid pipe,fence post, construction and so onMain Market:South America, Africa, mid east ...