Page 106 - Welding of Aluminium and its Alloys

T-joint butt weld – 24 F
full penetration

Butt weld – partial Fatigue life determined 14 W
penetration. on weld throat

Loadcarrying fillet
welds
T- or cruciform Cracking may be at the 20 F2 if plate
joints made with weld toe or in the weld stress, W if
fillet welds throat weld throat
stress

Non-loadcarrying
attachments – butt
or fillet welds
Attachments not Cracking starts at the 24 F
closer than 10mm weld toe.
from edge of
stressed member

As above but Cracking starts at weld 20 G
within 10mm of toe.
edge of stressed
member