Fillet weld is a weld of approximately triangular cross section joint two surfaces approximately at right angles to each other in a lap joint, tee joint, or corner joint.

Groove weld is a weld made in groove formed within a single member or in the groove between two members to be jointed. The standard types of groove weld are as follows:

(a) square groove weld

(b) single – Vee groove weld

(c) single – bevel groove weld

(d) sing –  U groove weld

(e) single – J groove weld

(f) single – flare – bevel groove weld

(g) single – flare – Vee groove weld

(h) double – Vee groove weld

(i) double  – bevel groove weld

(j)  double  – U groove weld

(k)  double  – J groove weld

(l)  double  – flare – bevel  groove weld

(m) double  – flare – Vee  groove weld

Basic Welding Joints – Butt welded and Fillet welded joints –