Piping Systems and Applications!  - Resources, Tools and Basic Information for Engineering and Design.
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Piping Systems and Applications! - Resources, Tools and Basic Information for Engineering and Design.

Calculating Pipes Weight

A weight calculating formula for steel pipes

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If outside diameter and wall thickness of steel pipes are known the weight per foot can be expressed as:

m = 10.68 (do - tw) tw (1)

where

m = weight per foot (lbs/ft)

do = outside diameter (inches)

tw = wall thickness (inches)

Example - Weight of 4" Schedule 40 Steel Pipe

The outside diameter (do) of 4" Schedule 40 Steel Pipe is 4.500 inches. The wall thickness is 0.237 inches. The weight per foot can be calculated using (1) as:

m = 10.68 (4.500 - 0.237) 0.237

= 10.79 lbs/ft

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