WIS Plate Exe

7/24/2019 WIS Plate Exe

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WI 3.1

M.S.RogersCopyright 2004 TWI Ltd

Welding InspectionWelding Inspection

Practical Plate ExercisePractical Plate Exercise


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WI 3.1


Plate Sample 6A CapPlate Sample 6A Cap

Cap Undercut

Intermittent

Cap UndercutIntermittent

Slag

Inclusion

Arc Strike

Porosity Lack of

fusion

Cap Undercut

Intermittent

Arc Strike

Incomplete Filled roo!e

Note: spatter and surface slag requires removal, arc strikes

require blending and crack detection

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Welding Process MMA (SMAW)Welding Process MMA (SMAW)


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H

N

O

LO

G

Y

WI 3.1


Plate Sample 6A RootPlate Sample 6A Root

#$cess

Penetration

Lack of %ootFusion

#$cess

Penetration

as Pore

%oot Undercut

Linear &isalignment

Surface Slag

Note: Spatter and surface slag require removal

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4/26

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N

O

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G

Y

WI 3.1


Plate Sample 6B CapPlate Sample 6B Cap

Lack of Side'all Fusion


(!erlap and #$cess Cap )eig*t Full Weld Lengt*

Surface Slag

PorosityLack of Side'all

Fusion

Note: Surface slag requires removal and poor toe blending full

eld lengt!

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N

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WI 3.1


Lack of %oot Fusion

Plate Sample 6B RootPlate Sample 6B Root

Lack of %oot Fusion

Crater Pipe

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""Lack of %ootPenetration

""

Slag Inclusion""



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WI 3.1


Longitudinal

CrackSurface slag + Spatter

Plate Sample 6C CapPlate Sample 6C Cap

Cap Undercut

Incomplete

Filled roo!e ,

Lack of

Side'all

Fusion

Slag InclusionIncomplete Filled

roo!e , Lack ofSide'all Fusion , Cap

Undercut Intermittent

Note: Spatter and surface slag requires removal

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Welding Process FCAWWelding Process FCAW


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N

O

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Y

WI 3.1


Plate Sample 6C RootPlate Sample 6C Root

Lack of %oot Fusion

-urn *roug*

#$cess Penetration

Lack of %oot Fusion

Poor Stop/Start , Lack of

%oot Penetration

&ec*anical 0amage

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Welding Process FCAWWelding Process FCAW


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N

O

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Y

WI 3.1


Cap

UndercutCap

Undercut

#$cess Cap

)eig*t

Plate Sample 6" CapPlate Sample 6" Cap

Porosity

Lack of Side'all

Fusion

Incomplete

Filled roo!e

(!erlap et'een Capping Passes

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""

""

""

""

""


Note: #$cess cap !eig!t and poor cap profile t!roug!out%


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N

O

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G

Y

WI 3.1


Plate Sample 6" RootPlate Sample 6" Root


Lack of %oot Fusion

&ec*anical 0amage

Lack of %oot Fusion

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""


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Y

WI 3.1


Plate Sample 6# CapPlate Sample 6# Cap

Lack of

Side'all

Fusion

Cap Undercut Intermittent

#$cess Cap )eig*tIncomplete Filled roo!e



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Y

WI 3.1


Plate Sample 6# RootPlate Sample 6# Root

Lack of %oot Fusion

#$cess %oot Penetration

Poor Stop/Start , Crater Pipe

#$cess %oot

Penetration

Lack of %oot Fusion

Crater Pipe Lack of %ootfusion

%oot Undercut

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N

O

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G

Y

WI 3.1


Plate Sample 6& CapPlate Sample 6& Cap

Poor oe -lend

Lack of Side'all fusion

&ec*anical

0amage

Lack of Side'all Fusion , Incomplete Filled roo!e

Arc

Strikesack Weld

Note: Arc strikes require blending and crack detection

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"" """" ""


""Crater pipe


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N

O

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G

Y

WI 3.1


Plate Sample 6& RootPlate Sample 6& Root

Lack of %oot Fusion

Arc Strikes

Poor Stop/Start , Lack of %oot

Penetration , Crater Pipe

&ec*anical 0amage ,

Lack of %oot Fusion

Arc Strikes

Arc Strikes

Lack of

%oot

Fusion

-lo' )ole

Lack of

%oot

Fusion

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Note: Arc strikes require blending and crack detection



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N

O

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G

Y

WI 3.1


Plate Sample 6' CapPlate Sample 6' Cap

Poor oe -lend , #$cess Cap )eig*t

Arc Strikes

Porosity

Lack of Side'all Fusion ,


Arc StrikesParent &aterial 0amage

Note: Arc strikes require blending and crack detection, Seek advise

on parent material damage

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15/26

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N

O

LO

G

Y

WI 3.1


Linear &isalignment

Plate Sample 6' RootPlate Sample 6' Root


Plate corrosion

Lack of %oot Fusion

Poor Stop/Start

Surface Slag

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""

Note: Surface slag requires removal, plate corrosion requires

ire brus!ing

Parent material

gas ca!ities""

Crater pipe"" Surface slag""


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N

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WI 3.1


Plate Sample 6( CapPlate Sample 6( Cap




Arc Strikes

Arc StrikesArc Strikes Slag Inclusion

Cap Undercut

Arc Strikes

Arc Strikes

Note: Parent plate damage t!roug!out, seek advice% Arc strikes

require blending and crack detection%

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Y

WI 3.1


Plate Sample 6( RootPlate Sample 6( Root


Crater pipe""

Poor stop/start

Lack of root fusion

Arc strikes

""Lack of root fusion

#$cessi!e root penetration

Arc strikes""""

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Linear misalignment ,

lack of root fusion""


18/26

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H

N

O

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G

Y

WI 3.1


Plate Sample 6) CapPlate Sample 6) Cap


Cap undercut

Poor toe lend full 'eld lengt*

SpatterArc strikes"" "" ""

""

Note: Arc strikes require blending and crack detection% Spatter

requires removal%


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H

NO

LO

G

Y

WI 3.1


Plate Sample 6) RootPlate Sample 6) Root


Linear misalignment""

""Lack of root penetration

""&ec*anical damage""Lack of root penetration

""-urn t*roug*

""Lack of root fusion

""Poor stop/start ""Arc strike

""Lack of root fusion, poor stop/start




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G

Y

WI 3.1


Plate Sample 6* CapPlate Sample 6* Cap


Suspect crater cracking

""Cap undercut

Cap undercut""

""Arc strikes""

Cap undercut

Cap undercut intermittent""

Porosity""

Note: +aterial damage t!roug!out, seek advice% Arc strikes require

blending and crack detection%


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Y

WI 3.1


Plate Sample 6* RootPlate Sample 6* Root


&ec*anical damage


lack of root fusion

Lack of root fusion

Lack of root penetration


lack of root fusion

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Note: +aterial damage seek advice on course of action%


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Y

WI 3.1


Plate Sample - CapPlate Sample - Cap


&ec*anical damage

Cap undercutCap undercut

Spatter/irregular cap profile

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Note: 'rinding marks t!roug!out seek advice on course of action%

#$cess cap !eig!t and poor cap profile t!roug!out%


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WI 3.1


Plate Sample - RootPlate Sample - Root


%oot undercut

intermittent

round flus* root

Lack of penetration intermittent

Arc strike

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""


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WI 3.1


Plate Sample (. CapPlate Sample (. Cap


Arc strikes&ec*anical

damage

&ec*anical

damage

Cap undercut intermittent

Cap undercut intermittent

Surface slag

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""

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""""

Note: +ec!anical damage seek advice on course of action%

#$cess cap !eig!t and poor cap profile t!roug!out% Arc

strikes require blending and crack detection%


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WI 3.1


Plate Sample (. RootPlate Sample (. Root


Arc strike

Spatter

Lack of rootfusionLack of root

fusion

%oot undercut intermittent

Lack of root

fusion

Lack of rootfusion

Spatter

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Note: Arc strikes require blending and crack detection% Spatter

requires removal


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WI 3.1

Any QuestionsAny Questions

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WIS Plate Exe

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