... standard:ASME TH:SCH20-XXS api 5l x65 psl2 steel pipe for casing,oil casing and tubing in oil wells,High Pressure ... A519-98 JIS G3441-1994 JIS G3444-1994Seamless steel tubes and pipes forGB/T8163-199910, 20, Q295, Q345ASTM A53-98liquid ... BS3059Part 21990Seamless Steel TubesGB3087-199910, 20ASTM A179, ASTM A192for low and Medium Pressure BoilersASTM SA179,SA192, BS3059Seamless Steel TubesGB6479-8610, ...