Butt Weld Throat Area Equation and Calculation
The following are equations to define the butt weld throat area of a butt weld that includes the full weld length as well as active loading bearing area.
Butt Weld Orientation |
Weld Illustration |
Throat Area of Butt Weld [mm2, in2] |
Full Weld Length |
||
Butt End Tube Weld | ||
Circumferential Tube Weld | ||
Angled Relative to applied load | ||
Normal to Applied Load |
Butt Weld Orientation |
Weld Illustration |
Throat Area of Butt Weld [mm2, in2] |
Active Load-bearing Length |
||
Butt End Tube Weld | ||
Circumferential Tube Weld | ||
Angled Relative to applied load | ||
Normal to Applied Load |
Where: | |
A |
= Area in2 |
= Weld angle [deg] | |
s | = Plate or tube thickness [mm, in] |
L | = Length of weld [mm, in] |
= pi (3.14157) |