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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

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Copper tubes according ASTM 306 are used in soil, waste, vent, solar and storm drainage piping systems.

Nominal Diameter
(in)
Outside Diameter
(in)

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Inside Diameter
(in)

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Wall Thickness
(in)

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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 Pressure

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)
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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
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Unit Converters

Temperature

oC
oF


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Length

m
km
in
ft
yards
miles
naut miles


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Area

m2
km2
in2
ft2
miles2
acres


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Volume

m3
liters
in3
ft3
us gal


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Weight

kgf
N
lbf


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Velocity

m/s
km/h
ft/min
ft/s
mph
knots


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Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


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Flow

m3/s
m3/h
US gpm
cfm


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