wis plate exe
TRANSCRIPT
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Welding InspectionWelding Inspection
Practical Plate ExercisePractical Plate Exercise
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
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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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
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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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6B CapPlate Sample 6B Cap
Lack of Side'all Fusion
Incomplete Filled roo!e
(!erlap and #$cess Cap )eig*t Full Weld Lengt*
Surface Slag
PorosityLack of Side'all
Fusion
Note: Surface slag requires removal and poor toe blending full
eld lengt!
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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Lack of %oot Fusion
Plate Sample 6B RootPlate Sample 6B Root
Lack of %oot Fusion
Crater Pipe
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""Lack of %ootPenetration
""
Slag Inclusion""
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Longitudinal
CrackSurface slag + Spatter
Plate Sample 6C CapPlate Sample 6C Cap
Cap Undercut
Incomplete
Filled roo!e ,
Lack of
Side'all
Fusion
Slag InclusionIncomplete Filled
roo!e , Lack ofSide'all Fusion , Cap
Undercut Intermittent
Note: Spatter and surface slag requires removal
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Welding Process FCAWWelding Process FCAW
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6C RootPlate Sample 6C Root
Lack of %oot Fusion
-urn *roug*
#$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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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Cap
UndercutCap
Undercut
#$cess Cap
)eig*t
Plate Sample 6" CapPlate Sample 6" Cap
Porosity
Lack of Side'all
Fusion
Incomplete
Filled roo!e
(!erlap et'een Capping Passes
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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
Note: #$cess cap !eig!t and poor cap profile t!roug!out%
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6" RootPlate Sample 6" Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
Lack of %oot Fusion
&ec*anical 0amage
Lack of %oot Fusion
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6# CapPlate Sample 6# Cap
Lack of
Side'all
Fusion
Cap Undercut Intermittent
#$cess Cap )eig*tIncomplete Filled roo!e
Cap Undercut Intermittent
Incomplete Filled roo!e
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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6# RootPlate Sample 6# Root
Lack of %oot Fusion
#$cess %oot Penetration
Poor Stop/Start , Crater Pipe
#$cess %oot
Penetration
Lack of %oot Fusion
Crater Pipe Lack of %ootfusion
%oot Undercut
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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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7/24/2019 WIS Plate Exe
12/26
TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6& CapPlate Sample 6& Cap
Poor oe -lend
Lack of Side'all fusion
&ec*anical
0amage
Lack of Side'all Fusion , Incomplete Filled roo!e
Arc
Strikesack Weld
Note: Arc strikes require blending and crack detection
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"" """" ""
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
""Crater pipe
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6& RootPlate Sample 6& Root
Lack of %oot Fusion
Arc Strikes
Poor Stop/Start , Lack of %oot
Penetration , Crater Pipe
&ec*anical 0amage ,
Lack of %oot Fusion
Arc Strikes
Arc Strikes
Lack of
%oot
Fusion
-lo' )ole
Lack of
%oot
Fusion
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""
""""
"" ""
""
""
Note: Arc strikes require blending and crack detection
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6' CapPlate Sample 6' Cap
Poor oe -lend , #$cess Cap )eig*t
Arc Strikes
Porosity
Lack of Side'all Fusion ,
Incomplete Filled roo!e
Arc StrikesParent &aterial 0amage
Note: Arc strikes require blending and crack detection, Seek advise
on parent material damage
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Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Linear &isalignment
Plate Sample 6' RootPlate Sample 6' Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6( CapPlate Sample 6( Cap
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
Cap Undercut Intermittent
Incomplete Filled roo!e
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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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6( RootPlate Sample 6( Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
Crater pipe""
Poor stop/start
Lack of root fusion
Arc strikes
""Lack of root fusion
#$cessi!e root penetration
Arc strikes""""
""
""
Note: Arc strikes require blending and crack detection, Seek advise
on parent material damage
Linear misalignment ,
lack of root fusion""
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TE
C
H
N
O
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6) CapPlate Sample 6) Cap
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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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7/24/2019 WIS Plate Exe
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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6) RootPlate Sample 6) Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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
Note: Arc strikes require blending and crack detection, Seek advise
on parent material damage
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7/24/2019 WIS Plate Exe
20/26
TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6* CapPlate Sample 6* Cap
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample 6* RootPlate Sample 6* Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
&ec*anical damage
Linear misalignment ,
lack of root fusion
Lack of root fusion
Lack of root penetration
Linear misalignment ,
lack of root fusion
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""
Note: +aterial damage seek advice on course of action%
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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample - CapPlate Sample - Cap
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
&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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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample - RootPlate Sample - Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
%oot undercut
intermittent
round flus* root
Lack of penetration intermittent
Arc strike
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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample (. CapPlate Sample (. Cap
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
Arc strikes&ec*anical
damage
&ec*anical
damage
Cap undercut intermittent
Cap undercut intermittent
Surface slag
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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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TE
C
H
NO
LO
G
Y
WI 3.1
M.S.RogersCopyright 2004 TWI Ltd
Plate Sample (. RootPlate Sample (. Root
Welding Process MMA (SMAW)Welding Process MMA (SMAW)
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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TE
C
H
NO
LO
G
Y
WI 3.1
Any QuestionsAny Questions
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