Copper Tube Size - ASTM D-2737 (SDR)
Our copper tube size tubing is manufactured to ASTM D-2737 and is designed
to match and mate to standard copper tubing. NuMex manufactures
pipe to this specification in

Our copper tube size tubing is manufactured to ASTM D-2737 and is designed
to match and mate to standard copper tubing. NuMex manufactures
pipe to this specification in