How is the theoretical weight of spiral steel pipe calculated?

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How is the theoretical weight of spiral steel pipe calculated?

 

The theoretical weight of steels is obtained by calculating nominal dimensions and density (which is called specific weight in the past). This is directly related with the steel length, the cross section area, and the allowable size deviation.

Because of the allowable deviation in the process of manufacturing, the calculated theoretical weight is somehow different from the actual value, and the theoretical value is only for reference while estimating.

The fundamental equation is as follows:

Steel pipe single meter weight calculation (kg / m):

W = (outer diameter – wall thickness) * wall thickness * 0.02466 = 2408 * 12 * 0.02466 = 712.57 kg / m

The unit for the calculated theoretical weight of steel is kilo grams (kg).

 

 

 

 

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