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Weight of Pipe Hollow Cylinder Equation and Calculator

Weight Mass of Pipe Hollow Cylinder Equation and Calculator

The weight of a hollow pipe cylinder is determined by the volume multiplied by the density where the density is given in mass per unit volume. The density depends upon the unit in which the mass or weight is expressed, and upon the unit of volume used. In engineering and scientific work, density is generally expressed in grams per cubic centimeter.

Eq. 1
Weight of hollow shaft cylinder
w_h = π [ ( D_o / 2 )² - ( D_i / 2 )² ] L ρ

For the weight of a solid shaft enter D_i = 0.00 or,

Eq. 2
Weight of solid shaft cylinder
w_h = π ( D_o / 2 )² L ρ

Where

w_h = weight kg (lbs)
D_o = outside diameter of hollow shaft, m (in)
D_i = inside diameter of hollow shaft, m (in)
D = diameter of solid shaft, m (in)
ρ = density kg/m³ , (lbs/in³ )
L = length of cylinder, m (in)

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