... pipe Is widely used in transportation of oil, natural gas, gas, water and some solid materials, pipes, etc., ... pressure boiler tube10#20#GB3087-199910-530×2-40(mm)Oil cracking tube2012CrMo 15CrMoGB9948-8810.530× ... -200025-426×6-40(mm)Fluid Pipe20Q345GB/T8163-19998-630×1.5-40(mm)Structural Pipe1020354516Mn ... Q345BGB/T8162-19996-610×1.5-40(mm) 6. Packing detailes: bundle,seaworthy ...