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ASTM B306 Copper Tubes for Drain, Waste and Vent - Dimensions and Working Pressures

Dimensions of copper tubes ASTM B306 Drain Waste and Vent - DWV.

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.. 

copper tubes dwv drain waste vent

ASTM B306 Copper Tubes for Drain, Waste and Vent - Dimensions
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
ASTM B306 Copper Tubes for Drain, Waste and Vent - Working Pressures
Nominal Size
(in)
Max. Working Pressure (psi)
AnnealedDrawn
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

Copper Tubes ASTM B306 - max. working pressure

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