Out Diameter:325-1420mm (14″ -60″) Wall Thickness:8-40mm Length:3-13m Standards:API 5L, ASTM A672, ASTM A53, SY/T5768 -2006, GB/T3091 -2008, GB/T9711 -1 Steel Grades:Q235, Q345, L245, L290, A53, S235, S275, S355, GR.B/X42/X46/X5