In this article, we will briefly explain the method for computing the weight of a pipe made of iron.
1) Work out the entire cross sectional area of pipe.
2) Work out the entire volume of pipe with the following formula.
volume = total cross sectional area x length of pipe.
3) Work out the weight of pipe with the following formula.
weight of pipe = volume of pipe x unit weight of pipe materials.
The calculation for find out the weight of this cast iron pipe is made on the basis of the following dimensions :
Internal diameter of the pipe = 10 cm
External diameter of the pipe = 14 cm
Length of the pipe = 5 meters
As we know from the above formula :
Volume = cross sectional area x length
V = π (D2 – d2)/4 x L
After putting the values, we get the following :
V = π(0.142 – 0.102)/4 x 5 (covert centimeter to meter)
V = 0.0376991 cu.m
So, weight = 0.0376991 x 7200 (as unit of cast iron is equivalent to 7200 kg/m3)
Weight of pipe = 271.433 kg
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