Name SSAW/Spiral Welded steel pipes 2.Standard API5L, ASTMA252, ASTMA139, ASMEB36.10,AWWAC200, EN10217,EN10219, ... ,EN10025; SY/T5037,SY/T5040,GB/T9711.1/9711.2,API 5L, GB/T3091 Anticorrosive coating:AWWAC205,AWWAC210,AWWAC222,AWWAC214 3.Outer ... per customer's requirements;with FBE internal coating for water steel pipes. 10.Material A53(A,B),Q235B,Q345B,16Mn, 20#,S235JR ...