... gas, petroleum, fluid, and electricity 2)Seamless,SAW and ERW steel pipe 3)THK <2.4" 4)OD<12" A: Pipe ... : 500mm-16,000mm D: Steel grade: 10#, 20#, A106B, A53B, Q195 Q235, Q345, ST37-2, ST52, S235, S355, SS400, A1010, SAE1045, X40 ... . For all details, please don't hesitate to contact us. steel pipe and Tube