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

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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)

Load Calculator!
Inside Diameter
(in)

Load Calculator!
Wall Thickness
(in)

Load Calculator!
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)
Load Calculator!
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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Related Topics

Dimensions

Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more.

Pressure Ratings

Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more.

Sanitary Drainage Systems

The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.

Related Documents

ASTM International

ASTM International - American Society for Testing and Materials - is a scientific and technical organization that develops and publishes voluntary standards on the characteristics of material, products, systems and services.

BS 2871 Copper Tubes Table X, Y and Z - Working Pressures vs. Size

Working pressures of metric sized copper tubes according the BS (British Standard) 2871.

Copper Tubes Type K, L and M - Working Pressures vs. Size

ASTM B88 seamless copper water tubes - working pressures.

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