Designation: B 135 –02 Standard Speci?cation for Seamless Brass Tube 1 This standard is issued under the ?xed designation B 135; the number immediately following the designation indicates the year of original adoption or, in the caseof revision, the year of last revision. A number in parenthesesindicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the