1.1 This is a classification of various types of seamless copper and copper alloy pipe and tube used for water service, distribution and drainage. It is not a specification for the various types and alloys.

1.2 This classification uses the standard copper designations developed and used by the copper industry.

1.3 This classification makes no attempt to differentiate between all compositions that could be termed coppers or copper alloys but in conformance with general practice in the trade includes those coppers and copper alloys commonly used in the manufacture of water service, distribution and drainage tube.

1.4 This classification makes no attempt to differentiate between all applications of seamless copper and copper alloy tubing, and is intended for use with tubing produced for water service distribution and drainage.