Butt Weld Cap Weight Calculator


Approximate weight of a butt welding cap can be calculated based on its its wall thickness, outside diameter and end to end length. Please note that actual weight of a cap from a particular manufacturer may vary depending on manufacturing process. Dimensional standards like ASME B16.9 do not provide weights of butt welding fittings. 

Butt Weld Cap Weight Calculation

Butt Weld Cap Weight Calculation

Weight of a Butt Weld Cap as per ASME B16.9 is calculated as per following formula  :


Where :

  1. W = Weight of Cap in Kg.
  2. OD = Outside diameter of cap (mm)
  3. E = End to end length of cap (mm)
  4. T = Wall Thickness (mm)
Cap Size
Wall Thickness

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