spiral welded pipe
a. Outer Diameter: 8" to 80"(219.1mm to 2020mm)
b. Wall Thickness: 0.188" to 0.594"(4.78mm to 15.09mm)
c. Standard: API 5L, ASTM A53, GB/T 9711.1,YB/T 5037-2000
d. Steel Grade: X-grade, Gr B, Q235, Q345