Effective throat thickness of a Flare groove welds.

Table: Effective throat thickness of a Flare groove welds.

Type of Weld	Radius (R) of Bar or Bend	Effective throat Thickness
Flare Bevel Groove	All	5/16 R
Flare V- Groove	All	½ R*
* Use 3/8 for Gas Metal Arc Welding (except short circuiting transfer process when  R≥12mm.