-OD: 325-1420mm (14³ -60³) -W.T: 8-40mm -Most grades and welds/seamless available -Steel grade: Q235, Q345, L245, L290, A53, S235, S275, S355, GR.B/X42/X46/X56, A672 B60 CL22 We can also customize your order with any coating and threading you need. If you have any interest, please don't hesitate to contact usã Feel free to contact us if any further questions,we will serve you as soon as possible.