MetFab - Air Products Welder's Handbook - Flipbook - Page 29
Single ‘V’
Double ‘V’
Recommendations for weld preparation of
aluminium and its alloys can be referenced
in ISO 9692-3 “Welding and allied
processes — Types of joint preparation —
Part 3: MIG and TIG welding of aluminium
and its alloys.”
Cross-section
Thickness
(t)
Anglea
a,aa
Gapb
b
(mm)
Thickness of
root face c
(mm)
Depth of
prep. h
(mm)
c
a
h
t
40≤ a
≤ 60
a2
b
> 12mm
b
a1
c
h
t
a
≈ t/2
1≤b≤3
40≤ a1
≤ 60
40 ≤ a2
≤ 60
≤2
≈ t/3
25
