|
Flaw #
|
Flaw Description
|
Weld Type
|
Applicable NDT Method
|
|
10
|
Toe Crack
|
Single or Double Vee
|
|
MT/PT
|
UT
|
RT
|
|
11
|
Toe Crack
|
Fillet
|
|
MT/PT
|
UT
|
|
|
12
|
Root Crack
|
Single Vee
|
|
MT/PT
|
UT
|
RT
|
|
13
|
Underbead Crack
|
Fillet
|
|
|
UT
|
|
|
14
|
Center Line Crack (surface)
|
Single or Double Vee
|
|
MT/PT
|
UT
|
RT
|
|
15
|
Center Line Crack (sub-surface)
|
Single or Double Vee
|
|
|
UT
|
RT
|
|
16
|
Circumferential Crack (flush
crown)
|
Single or Double Vee
|
|
MT/PT
|
UT
|
RT
|
|
17
|
Transverse Crack (flush crown)
|
Single or Double Vee
|
|
MT/PT
|
UT
|
|
|
18
|
Base Metal Crack (crown HAZ
area)
|
Single or Double Vee
|
|
MT/PT
|
UT
|
|
|
19
|
Base Metal Crack (root HAZ
area)
|
Single Vee
|
|
MT/PT
|
UT
|
|
|
20
|
Crater Crack (crown stop/start
area)
|
Single or Double Vee
|
VT
|
MT/PT
|
|
|
|
30
|
Porosity (sub-surface)
|
Single or Double Vee
|
|
|
UT
|
RT
|
|
31
|
Porosity (sub-surface)
|
Fillet
|
|
|
UT
|
RT
|
|
32
|
Porosity (surface)
|
Single or Double Vee
|
VT
|
MT/PT
|
|
|
|
33
|
Porosity (surface)
|
Fillet
|
VT
|
MT/PT
|
|
|
|
34
|
Single Gas Pore
|
Single or Double Vee
|
|
|
UT
|
RT
|
|
35
|
Single Gas Pore
|
Fillet
|
|
|
|
RT
|
|
36
|
Slag Inclusion (root area)
|
Single Vee
|
|
|
UT
|
RT
|
|
37
|
Slag Inclusion (weld groove
area)
|
Single or Double Vee
|
|
|
UT
|
RT
|
|
38
|
Slag Inclusion (root area)
|
Fillet
|
|
|
UT
|
RT
|
|
39
|
Tungsten Inclusion (root
area)
|
Single or Double Vee
|
|
|
|
RT
|
|
50
|
Lamination (base metal)
|
Single Vee
|
|
|
UT
|
|
|
51
|
Lamination (base metal)
|
Weld Prep Only
|
|
MT/PT
|
|
|
|
52
|
Lack of Fusion (sub-surface)
|
Single or Double Vee
|
|
|
UT
|
|
|
53
|
Lack of Fusion (surface breaking)
|
Single or Double Vee
|
|
MT/PT
|
UT
|
|
|
54
|
Lack of Fusion (surface breaking)
|
Fillet
|
|
MT/PT
|
|
|
|
55
|
Lack of Fusion (root area)
|
Single Vee
|
|
MT/PT
|
UT
|
|
|
56
|
Incomplete Root Penetration
|
Single Vee
|
VT
|
MT/PT
|
UT
|
RT
|
|
57
|
Incomplete Root Penetration
|
Double Vee
|
|
|
UT
|
RT
|
|
58
|
Incomplete Root Penetration
(bridging)
|
Fillet
|
|
|
UT
|
|
|
59
|
Incomplete Groove Weld (crown
area)
|
Single or Double Vee
|
VT
|
MT/PT
|
UT
|
RT
|
|
70
|
Root Concavity
|
Single Vee
|
VT
|
|
|
RT
|
|
71
|
Excess Root Penetration
|
Single Vee
|
VT
|
|
|
RT
|
|
72
|
Misalignment (root &
crown area)
|
Single Vee
|
VT
|
|
|
RT
|
|
73
|
Uneven Leg Length
|
Fillet
|
VT
|
|
|
|
|
74
|
Excess Crown
|
Single or Double Vee
|
VT
|
|
|
|
|
75
|
Excess Crown
|
Fillet
|
VT
|
|
|
|
|
76
|
Concave Crown
|
Single or Double Vee
|
VT
|
|
|
|
|
77
|
Concave Crown
|
Fillet
|
VT
|
|
|
|
|
78
|
Undercut
|
Single or Double Vee
|
VT
|
|
|
|
|
79
|
Undercut
|
Fillet
|
VT
|
|
|
|
|
80
|
Overlap
|
Fillet
|
VT
|
MT/PT
|
|
|
|
90
|
Weld Spatter
|
Single or Double Vee
|
VT
|
|
|
RT
|
|
91
|
Weld Spatter
|
Fillet
|
VT
|
|
|
RT
|
|
92
|
Chipping Hammer Marks
|
Single or Double Vee
|
VT
|
|
|
RT
|
|
93
|
Chipping Hammer Marks
|
Fillet
|
VT
|
|
|
|
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