This standard pertains to stainless-steel pipe that is seamless, longitudinal-seam, or spiral-seam welded, 1/2 in. (13 mm) in nominal diameter and larger, intended for the transmission and distribution of potable water, wastewater, reclaimed water and for use in other water supply system facilities. The major revisions to this edition of the standard are too numerous to list here and can be found in the Foreword section of the standard.