... .241.40 0.0250.0151.Products: Line Pipe 2. Standards: API 5L PSL1&PSL23. Steel Grade: Grade B, X42, X46, X52, X60 ... , X65, X70, X804. Tolerance: by the standard5. Size: Outer Diameter(OD): 60mm-720mm(seamless ... . Protection: supply varnish coating, bevel end, plastic cap12. Application Range: for conveying petroleum, and gas, water, oil in natural gas industry ...