A Fillet weld is comprised of various elements. These elements or terms are shown in the below figure. The main parts of a Fillet Weld are:
- Fillet Weld Throat (a)- Theoretical throat, actual throat & Effective throat.
- Fillet weld Leg Length (z)
- Weld’s face
- Weld Toe
- Root Penetration
- Fillet weld Convexity or concavity
Dimension of a Fillet Weld:
Fillet weld is specified by a size known as either throat size (given as a) or leg length (given as z). Throat size measurement is used in ISO & British inspection standards while leg length is used in AWS (Americans) & CSA (Canadian) welding inspection standards.