Q345B Seamless Round Pipe 1.Length:5.8-12m or as your request 2.Thickness:1.5-40mm 3.OD:8-630mm 4.Material:10#,20#, Q345B Q345B Seamless Round Pipe ProductsODW.T.StandardLengthSeamless pipe (steel pipe )4’’-24’’SCH20,30,40,60,STD XS 80ASTM A106Gr.BASTMA53Gr.B En10204/3.1B5.8m,6m,12mor as customer’s needsPipe line(API steel pipe)3’’-18’’SCH20,30,40,60,STD XS 80API5L GR.BX42X52X605.8m,6m,12mor as ...