In the table below you will see the weld joint area for different weld joint types and throat thickness (a).
Area Joint Type Throat Thickness (a)
9 T-joint 3
16 T-joint 4
25 T-joint 5
36 T-joint 6
64 T-joint 8
100 T-joint 10
9 Single V-joint 4
14 Single V-joint 5
21 Single V-joint 6
37 Single V-joint 8
58 Single V-joint 10
83 Single V-joint 12
8 Half V-joint 4
13 Half V-joint 5
18 Half V-joint 6
32 Half V-joint 8
50 Half V-joint 10
72 Half V-joint 12
113 Half V-joint 15