scope:

This standard describes electrically butt-welded straight-seam or spiral-seam pipe and seamless pipe, 6 in. (150 mm)* in nominal diameter and larger, for the transmission and distribution of water or for use in other water system facilities.

Purpose

The purpose of this standard is to provide the minimum requirments for steel water pipe, 6 in. (150 mm) and larger, including materials and quality of work, fabrication of pipe, and special sections.

* Metric conversions given in this standard are direct conversions of US customary units and are not those specified in the International Organization for Standardization (ISO) standards.