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Mass = 1.675 g = 1.675*10-3 kg.

Diameter = 7.5 mm => radius = 3.75 mm = 3.75*10-3 m

Volume = 4/3*pi*r3 = 2.209*10-7 m3

So density = Mass/vol = 1.675*10-3/(2.209*10-7) = 7.583*103 kg/m3 = 7583 kg/m3

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How can calculate weight of 40mm dia and 3mm thickness MS pipe?

To calculate the weight of a 40mm diameter and 3mm thickness mild steel (MS) pipe, use the formula for the weight of a hollow cylinder: Weight = Volume × Density. First, calculate the outer diameter (OD = 40mm), inner diameter (ID = 34mm), and then the volume (V = π/4 × (OD² - ID²) × Length). The density of mild steel is approximately 7850 kg/m³. Multiply the volume by the density to find the weight.


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