Copper Tube Specs

Type A
* Applicable up to 50 degrees C
Nominal Size Actual Tube Size Metric (mm) Actual Size Imperial (in) Safe* Working Pressure kPa
DN6 6.35 x 0.91 1/4" x 20g 12080
DN8 7.94 x 0.91 5/16" x 20g 9380
DN10 9.52 x 1.02 3/8" x 19g 8730
DN15 12.70 x 1.02 1/2" x 19g 6380
DN18 15.88 x 1.22 5/8" x 18g 6090
DN20 19.05 x 1.42 3/4" x 17g 5900
DN25 25.40 x 1.63 1" x 16g 5070
DN32 31.75 x 1.63 1 1/4" x 16g 4010
DN40 38.10 x 1.63 1 1/2" x 16g 3310
DN50 50.80 x 1.63 2" x 16g 2460
DN65 63.50 x 1.63 2 1/2" x 16g 1960
DN80 76.20 x 2.03 3" x 16g 2030
DN90 88.9 x 2.03 3 1/2 x 14g 1740
DN100 101.6 x 2.03 4" x 14g 1520
DN125 127 x 2.03 5" x 14g 1210
DN150 152.40 x 2.64 6" x 12g 1310
DN200 920 8" x 12g 203.20 x 2.64
Type B
* Applicable up to 50 degrees C
Nominal Size Actual Tube Size Metric (mm) Actual Size Imperial (in) Safe* Working Pressure kPa
DN6 6.35 x 0.71 1/4" x 22g 8780
DN8 7.94 x 0.71 5/16" x 22g 6870
DN10 9.52 x 0.91 3/8" x 20g 7680
DN15 12.70 x 0.91 1/2" x 20g 5630
DN18 15.88 x 1.02 5/8" x 19g 5020
DN20 19.05 x 1.02 3/4" x 19g 4140
DN25 25.40 x 1.22 1" x 18g 3700
DN32 31.75 x 1.22 1 1/4" x 18g 2940
DN40 38.10 x 1.22 1 1/2" x 18g 2430
DN50 50.80 x 1.22 2" x 18g 1810
DN65 63.50 x 1.22 2 1/2" x 18g 1440
DN80 76.20 x 1.63 3" x 16g 1620
DN90 88.9 x 1.63 3 1/2 x 16g 1390
DN100 101.6 x 1.63 4" x 16g 1210
DN125 127 x 1.63 5" x 16g 970
DN150 152.40 x 2.03 6" x 14g 1000
DN200 203.20 x 2.03 8" x 14g 730