Butt Welding Tee Weight Calculator


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

Tags : #Piping_Engineering #Piping_Fittings #Buttweld_Tee

BW Tee Weight Calculation

BW Tee Weight Calculation

Weight of a Butt Weld tee as per ASME B16.9 can be calculated as per following formula  :


Where :

  1. W = Weight in Kg
  2. t1 = Header wall thickness.
  3. t2 = Branch wall thickness.
  4. OD1 = Header Outside Diameter.
  5. OD2 = Branch Outside Diameter.
  6. C = Run Length Center to end.
  7. M = Branch Length
  8. K = Tee type : Welded : 1, Seamless : 1.363
Tee Type
Header Size
Branch Size
Header Thickness
Branch Thickness

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