API 5L Standard Spec for Line PipeASTM A106 Standard Spec for Seamless Carbon Steel PipeASTM A53 Standard Spec for Seamless & Welded Steel PipeAPI 5CT Standard Spec for Casing & TubingAPI 5DP Standard Spec for Drill PipeASTM A210 Standard Spec for Seamless Boiler TubeASTM A500 Standard Spec for Seamless & Welded Structural TubingBS 1387 Standard Spec for Screwed and Socketed Steel TubesEN 39 Standard Spec for Loose Steel TubeEN 10025 Standard Spec for Structural SteelEN 10219 Standard Spec for Cold Form Welded Structural Hollow SectionEN 10240 Standard Spec for Hot Dip Galvanized CoatingASTM A403 Standard Spec for Wrought Austenitic Stainless Steel Piping FittingsASTM A105 Standard Spec for Carbon Steel Forgings for Piping Applications