... :API 5L/A-53Gr.B/C 4.MOQ:50Ton 5.FOB Price:700$ Product:Carbon steel wleded steel ... such as water, gas, and oil; construction and piling Standard: API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, ... Wall Thickness: 3.2mm- 25.4mmLength:6m – 22 mSteel Grade:API 5L: GR B, X42,X46, X56, X60,X65, ... : GR A, GR B, GR CBS 4360: Grade 43, Grade 50EN: S275, S275JR, S355JRH, S355J2HSurface:Fusion bond Epoxy ...