radiographic-interpretation.pdf

T
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M.S.Rogers
Copyright © 2004 TWI Ltd
SWI 3.2
Radiographic Interpretation
Radiographic Interpretation
Course reference WIS 10
Radiographs of Welds
Radiographs of Welds

T
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M.S.Rogers
SWI 3.2
What’s the defect?
Lack of root
penetration
Radiographic Interpretation of Welds

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M.S.Rogers
SWI 3.2
Lack of root
Fusion

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
MAG Process What’s the defect?
Piping
Excess Penetration

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Lack of root
fusion with
misalignment

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Excessive root
penetration

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Concave root

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Cluster porosity

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
What’s the defects?
Burn through

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Cap undercut

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Wormholes/Piping

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N
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O
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Y
M.S.Rogers
SWI 3.2
Cap undercut intermittent
Concave root
Note: Grinding marks on parent plate

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
MAG process
Blow hole/piping
Hard Stamping
Lack of root fusion

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Root undercut
Porosity
Porosity
Arc strike
indication
Note: Grinding marks on parent plate

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Root undercut

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Incomplete filled
groove

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Longitudinal
crack

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Cap Undercut Intermittent
Slag Line

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Slag line
Slag line Poor stop/start

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Elongated slag
lines

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Linear
misalignment

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Lack of sidewall
fusion

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N
O
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O
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Y
M.S.Rogers
SWI 3.2
Transverse
cracking

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Root piping
Cap undercut intermittent Slag inclusions

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Lack of sidewall
fusion + slag

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C
H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Burn through
Lack of root penetration

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H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Cluster porosity throughout weld
Note: Re-shoot lead letters in weld area

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Crater crack or
Star crack

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Worm holes
Hard stamping
Do you see anything else
Do you see anything else

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N
O
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O
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Y
M.S.Rogers
SWI 3.2
HAZ crack

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O
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Y
M.S.Rogers
SWI 3.2
Copper inclusions
MAG Process

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Excess root penetration
Root undercut
Note: Grinding marks throughout

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N
O
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O
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Y
M.S.Rogers
SWI 3.2
Crater cracks
+ crater pipe
No weld metal

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O
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Y
M.S.Rogers
SWI 3.2
Unfused filler wire
Root undercut

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N
O
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O
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Y
M.S.Rogers
SWI 3.2
Excess penetration
Flush weld

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N
O
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O
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Y
M.S.Rogers
SWI 3.2
MAG Process
Silica inclusions

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Cluster porosity

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Arc strike
Cap undercut

T
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H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
What’s
the defects?
Excess Root
Penetration
Do you see anything else?
Do you see anything else?
Spatter / Debris

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Piping
Gas pore
What else can you see ?
What else can you see ?
Spatter

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Root undercut

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
MAG Process
Lack of Root Penetration
Burn Through
Can you see anything else?
Can you see anything else?
Copper inclusions

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Incomplete filled groove
Lack of root fusion
Lack of root Penetration
Lack of root Penetration

T
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C
H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Lack of Root Penetration
Cap Undercut
What's the defects?
What's the defects?
Wormholes/piping

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H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
What defects can you see?
Parallel slag lines
Porosity

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Crack Lack of sidewall fusion
Porosity

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Interpass slag
inclusions

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Porosity
Transverse Cracks
Re-Shoot Lead letter in weld area
Excess penetration

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Incomplete filled groove Copper inclusions Incomplete
filled groove

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
TIG Process
Tungsten
inclusions

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Herringbone porosity

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Root concavity
Note: weld repair
Arc strike
Note: Grinding marks

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H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
TIG Process
TIG Process
Lack of root penetration Excess penetration
Tungsten inclusions
Note: Re-shoot lead letter in weld area

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Gas cavities
Slag inclusions
Concave root intermittent

T
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H
N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
What’s the Artefact?
Light Fog
Light Leaks

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Yellow Fog
What’s the Defect?
What’s the Defect?
Cap undercut

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Crimping Mark
After Exposure

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Film Scratch

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Static Discharge

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Chemical Mark

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N
O
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O
G
Y
M.S.Rogers
SWI 3.2
Water Marks

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Dust/Grime Marks

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Reticulation

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
Diffraction Mottle

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N
O
L
O
G
Y
M.S.Rogers
SWI 3.2
M.S.Rogers
Any Questions
Any Questions
?
?

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