ASTM B306 Copper Tubes for Drain, Waste and Vent - Dimensions and Working Pressures
Copper tubes according ASTM 306 are used in soil, waste, vent, solar and storm drainage piping systems.
DWV stands for "Drain, Waste and Vent" and is pipes recommended for above ground use only, no pressure applications and sweat fittings only..
| Nominal Diameter (in) | Outside Diameter (in) | Inside Diameter (in) | Wall Thickness (in) | Cross Sectional Area of Bore (in2) | Mass (Weight) per unit Length (lb/ft) | Mass (Weight) with Water (lb/ft) |
|---|---|---|---|---|---|---|
| 1 1/4 | 1.375 | 1.295 | 0.040 | 1.32 | 0.650 | 1.22 |
| 1 1/2 | 1.625 | 1.541 | 0.042 | 1.87 | 0.81 | 1.62 |
| 2 | 2.125 | 2.041 | 0.042 | 3.27 | 1.07 | 2.48 |
| 3 | 3.125 | 3.030 | 0.045 | 7.21 | 1.69 | 4.81 |
| 4 | 4.125 | 4.009 | 0.058 | 11.6 | 2.87 | 7.88 |
| 5 | 5.125 | 4.981 | 0.072 | 19.5 | 4.43 | 12.9 |
| 6 | 6.125 | 5.959 | 0.083 | 27.9 | 6.10 | 18.2 |
- recommended for above ground and no pressure applications only
- sweat fittings only
- available only in hard type
- 1 in2 = 645.2 mm2
- 1 lb/ft = 1.49 kg/m
Working Pressures
Ratings based on service temperature max. 150oF (66oC)
- yield strength S = 5100 psi (35 GPa) for annealed tube
- yield strength S = 10000 psi (69GPa) for drawn tube
| Nominal Size (in) | Max. Working Pressure (psi) | |
|---|---|---|
| Annealed | Drawn | |
| 1 1/4 | 280 | 549 |
| 1 1/2 | 249 | 489 |
| 2 | 185 | 362 |
| 3 | 135 | 265 |
| 4 | 127 | 250 |
| 5 | 129 | 252 |
| 6 | 126 | 247 |
| 8 | 124 | 244 |
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