Standard Specification for
Seamless Copper Tube, Bright Annealed [Metric]1

This standard is issued under the fixed designation B 68M; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

Click below to download  Astm B 68M – 99 pdf free

[wpdm_package id=’3798′]

Click here to Astm B 68 – 02 Pdf Free Download