API 5L Steel Pipe CARBON STEEL:Astm a 53/106/ API 5LA/B,ST37,ST35 ... , ASTM A53, ASTM A192, ASTM A333 Welded – API 5L, ASTM A53,ASTM A671/ A672. High yield Grade: X42, X46, X52, X56, ... X60, X65, X70, X80, PSL 1,2.High temp grade: A, B, C. Low temp grade: 1, 3 ... Plain, Beveled, Or Weld with Flanges Plastic Caps and Steel Rings Can Be Provided If Possible8. Inspection: With Chemical Composition ...