WIS 10 Interp exe

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M.S.RogersCopyright © 2004 TWI Ltd

SWI 3.2

Radiographic InterpretationRadiographic Interpretation

Course reference WIS 10

Radiographs of WeldsRadiographs of Welds

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SWI 3.2

What’s the defect?What’s the defect?

Lack of root penetration

Radiographic Interpretation of WeldsRadiographic Interpretation of Welds

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SWI 3.2


Lack of root Fusion


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SWI 3.2

MAG Process What’s the defect?What’s the defect?


Piping

Excess Penetration

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SWI 3.2


Lack of root fusion with misalignment


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SWI 3.2


Excessive root penetration


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SWI 3.2


Concave root


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SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds


Cluster porosity

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SWI 3.2

What’s the defects?What’s the defects?

Burn through


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SWI 3.2


Cap undercut


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SWI 3.2



Wormholes/Piping

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SWI 3.2



Cap undercut intermittent

Concave root

Note: Grinding marks on parent plate

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SWI 3.2

MAG process



Blow hole/pipingHard Stamping

Lack of root fusion

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SWI 3.2



Root undercut

Porosity

Porosity

Arc strike indication

Note: Grinding marks on parent plate

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SWI 3.2


Root undercut


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SWI 3.2


Incomplete filled groove


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SWI 3.2


Longitudinal crack


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Cap Undercut Intermittent

Slag Line

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SWI 3.2



Slag lineSlag line Poor stop/start

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SWI 3.2


Elongated slag lines


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SWI 3.2


Linear misalignment


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SWI 3.2



Lack of sidewall fusion

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SWI 3.2


Transverse cracking


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SWI 3.2



Root piping

Cap undercut intermittent Slag inclusions

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SWI 3.2



Lack of sidewall fusion + slag

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SWI 3.2


Lack of sidewall fusion + slag


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SWI 3.2



Burn through


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SWI 3.2



Cluster porosity throughout weld

Note: Re-shoot lead letters in weld area

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SWI 3.2



Crater crack orStar crack

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SWI 3.2



Worm holes

Hard stampingDo you see anything elseDo you see anything else

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SWI 3.2



HAZ crack

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SWI 3.2





Copper inclusions

MAG Process

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SWI 3.2



Excess root penetration

Root undercut

Note: Grinding marks throughout

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SWI 3.2



Crater cracks+ crater pipe

No weld metal

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SWI 3.2



Unfused filler wire


Root undercut

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SWI 3.2



Excess penetration

Flush weld

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SWI 3.2

What’s the defect?What’s the defect?MAG Process


Silica inclusions

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SWI 3.2


Cluster porosity


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SWI 3.2


Arc strike

Cap undercut


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What’sWhat’s the defects?the defects?

Excess Root Penetration

Do you see anything else?Do you see anything else?Spatter / Debris

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SWI 3.2


Piping


Gas pore

What else can you see ?What else can you see ?Spatter

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SWI 3.2


Root undercut


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SWI 3.2

MAG Process

Radiographic Interpretation of WeldsRadiographic Interpretation of WeldsWhat’s the defects?What’s the defects?

Lack of Root Penetration

Burn Through

Can you see anything else?Can you see anything else?Copper inclusions

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What’s the defects?What’s the defects?Incomplete filled grooveLack of root fusion

Lack of root PenetrationLack of root Penetration

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Lack of Root Penetration

Cap Undercut

What's the defects?What's the defects?Wormholes/piping

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What defects can you see?What defects can you see?Parallel slag lines

Porosity

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What defects can you see?What defects can you see?

Crack Lack of sidewall fusion

Porosity

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SWI 3.2



Interpass slag inclusions

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SWI 3.2



Porosity

Transverse CracksRe-Shoot Lead letter in weld area

Excess penetration

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SWI 3.2




Incomplete filled groove Copper inclusions Incomplete filled groove

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SWI 3.2

TIG Process What’s the defects?What’s the defects?

Tungsten inclusions


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SWI 3.2



Herringbone porosity

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SWI 3.2



Root concavityNote: weld repair

Arc strike

Note: Grinding marks

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SWI 3.2

TIG ProcessTIG Process



Lack of root penetration Excess penetration

Tungsten inclusions

Note: Re-shoot lead letter in weld area

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SWI 3.2



Gas cavities

Slag inclusions

Concave root intermittent

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What’s the Artefact?What’s the Artefact?

Light FogLight Leaks

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Yellow Fog

What’s the Defect?What’s the Defect?

Cap undercut

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Crimping MarkAfter Exposure

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Film Scratch

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Static Discharge

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Chemical Mark

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Water Marks

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Dust/Grime Marks

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Reticulation

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Diffraction Mottle

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SWI 3.2


Any QuestionsAny Questions

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WIS 10 Interp exe

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