... Material: 10#, 20#, Q295, Q345, 45#, ST4 20# Seamless pipe for liquid use :1 Standard: GB/T8163 ,ASTM A53,ASTM A106,API5L ... Pipes In Bundle,Can Provide Standard Sea Worthy Package, Large Pipe In Bulk, Usually Loaded In 20GP and 40HQ Containers, Large ... and southeast Asia, Australia, Africa15 Certificate:ISO9001, API 20# Seamless pipe for liquid use