Effective throat thickness of a partial-penetration groove welds.

Table: Effective throat thickness of a partial-penetration groove welds.

Welding Process	Welding Position	Include Angle of Root of Groove	Effective throat Thickness
Shielded Metal Arc Submerged Arc Gas Metal Arc Flux-Cored Arc	All	J or U Unit	Depth of Chamfer
		Bevel or V joint ≥600
		Bevel or V joint <600 ≥450	Depth of Chamfer minus 3 mm.