High Frequency Stright Welded Steel Pipe

Standard: API 5L, 5CT, GB/T9711.1-1997, GB/T3091-2001 Material: Q235, Q345, 20# Looking forward to your early reply. Nominal Path Wall Thickness Φ 76 2.5-6 Φ 159 3-8 Φ 219 5-12 Φ 426 8-15 Φ 89 2.5-6 Φ 168 3-8 Φ 245 5-13 Φ 457 8-15 Φ 108 2.5-6 Φ 180 4-8 Φ 273 5-13 Φ 508 8-15 Φ 114 2.5-6 Φ 194 4-8 Φ 325 7-14 Φ 133 2.5-6 Φ 203 4.5-10 Φ 355 8-15