... Pipe Standard: API 5L, API 5CT, ASTM A53, ASTM A2STM A53, ASTM A252, ASTM A500STM A500, BS1387 ERW Steel Pipe Grade ... : A, RW Steel Pipe Grade: A, B, X42, X46, X52, ... plastic cap.ERW Steel Pipe Applicationbr>ERW Steel Pipe Application: Line pipe in oil and sewage ... good structure ERW Steel Pture ERW Steel Pipe, used in building and bridge fieldsThe ...