Copper Tube Size (SDR)

This specification covers polyethylene pipe made in standard thermoplastic pipe outside dimension ratios and pressure rated for water at 73.4°F. Pipe manufactured under this specification is based on a controlled outside diameter and is designed to mate to standard copper tubes.

Pipe manufactured to this specification is described using a prefix-diameter ratio. The prefix for ASTM D-2737 is SDR.

The most common ratios under this specification is SDR-9.

NuMex Plastics, Inc. Roswell, NM Product Catalog

Standard Dimension Ratio SDR-9 CTS 250PSI AWWA C901 NSF Certified Water Service Tubing
Nominal Size Nominal O.D. Min. Wall Thickness Wt / 100' Standard Coil Lengths
3/4" 0.875" 0.102" 10.3#
100'
300'
500'
1" 1.125" 0.130" 16.9#
100'
300'
500'
1-1/4" 1.375" 0.158" 25.0#
100'
300'
500'
1-1/2" 1.625" 0.186" 34.8#
100'
300'
500'
2" 2.125" 0.242" 59.4#
100'
200'
300'
500'