Input Parameters

Results

--
Min Fillet Weld Size
in
--
Min Fillet Weld Size
mm
--
Throat Required
in
--
Opening in Header
in
Note: Branch connection welds per ASME B31.3. Full pen groove weld with reinforcing fillet is standard practice.

Reference

ASME B31.3 Fig 328.5.4: Min fillet = max(6mm, 0.7 x t_branch) Throat = 0.707 x leg size Full penetration groove weld + cover fillet typically required