api188API 5L X52 pipe also called L360 Pipe, named by minimum yield strength 52 Ksi (360 Mpa) in API 5L or ISO 3183 specifications, types in seamless, ERW, LSAW, SSAWHSAW.Casing Pipe Dimensions and Weht Chart for API round thread and buttress thread Lables Outside diameter Nominal ar mass T&C Wall thickness