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To answer this question the following assumptions have been made:
- ms = mild steel
- OD = outer diameter
- Density of mild steel = 7.85 gcm-3
The easiest method of calculating the volume of a material forming a hollow cylinder is to:
- Calculate the volume of the cylinder as if it were solid using the outer diameter
- Find the inner (hollow) volume by subtracting 2 x the material thickness from the outer diameter and calculating the volume of the inner (hollow) cylinder.
- The inner volume of the cylinder can then be subtracted from the outer to give the volume of solid material.
- From this the mass can be calculated.
Radius = 32.5 cm
Area = pi(r)2 = 3,318.31 cm2
Volume = Area x Height
= 3,318.31 x 120
= 398,197.2 cm3
Volume of inner (hollow) cylinder:Diameter = 62.6 cmRadius = 31.3 cm
Area = pi(r)2 = 3,077.79 cm2
Volume = 3,077.79 x 120
= 369,334.8 cm3
Volume of steel forming pipe:Volume of steel = Total volume - Inner volume= 398,197.2 - 369,334.8
= 28,862.4 cm3
Mass of steel forming pipe:Mass = Density x Volume= 7.85 x 28,862.4
= 226,569.84 g
Mass of pipe = 226.57 kg
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoUse the outside diameter to calculate the volume of the cylinder as if it was not hollow.
2*PI*R*L where PI = 3.14, R = radius = 1/2 of diameter, L = length or height
Then calculate the volume of the cylinder represented by the void inside using the same formula. Subtract this from the first volume and thats your answer.
You can also represent it in the form of OD (outside diameter) and ID (inside diameter) to get.
2*PI*L*(OD/2 - ID/2) where R is represented by half of the diameter in each case
Wiki User
∙ 11y agoFind the circumference of the exterior of the pipe, then find the circumference of the interior. subtract the two to find the thickness of the pipe. then multiply the length of the pipe. Now you have the mass of the pipe, so calculate that into the weight of steel or aluminum or whatever the pipe is made of.
Wiki User
∙ 11y ago5 mm thick hollow pipe and lenght = 1 meter check the weight calculate
Wiki User
∙ 15y ago0.02464*1.2*(25-1.2)=0.70371 kg/m
=0.70371*6=4.2223 kg/m
Wiki User
∙ 13y agoCall a Chance Engineer.
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