Fillet

1. This is the exposed surface of the weld.

• Leg

• Toe

• Face

• Root

2. This is the point at which the bottom of the weld intersects the base metal surface.

• Face

• Root

• Leg

• Toe

This is the junction between the face of the weld and base metal.

• Toe

• Leg

• Root

• Face

4. It is the distance from the root of the joint to the toe of the fillet weld.

• Face

• Root

• Toe

• Leg

5. It joins two surfaces at an approximate right angle to each other.

• Groove weld

• Flat weld

• Fillet weld

• Horizontal weld