CSWIP 3.1 Welding Inspection
CSWIP 3.1 Welding Inspection
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Practical Plate Inspection
Practical Plate Inspection
TWI Training & Examination
TWI Training & Examination
Services
Services
Services
Services
Course Reference WIS 5 Course Reference WIS 5
Page 1 of 3 EXAMPLE PLATE REPORT
Name: [Block capitals] Mr. I C Plenty Signature: I C Plenty Test piece ident: 001 Code/Specification used: TWI 09 09 03 Welding process: MMA/SMAW Joint type: Single V Butt Code/Specification used: TWI 09-09-03 Welding process: MMA/SMAW Joint type: Single V Butt Welding position: Flat /PA Length & thickness of plate: 300mm x 10 mm Date 22/08/2003
M Lack of sidewall C M E A S U R WELD FACE B A Undercut smooth 1.5 max 236 Gas pore 1.5 Ø 230 ac o s de a fusion 87 30 22 E F R O 153 51 30 40 8 M T H I S 241 Centreline crack Slag inclusion Cap height : 4mm Arc Strike S D A T NOTES:
NOTES: Cap height : 4mm.
Weld width: 12-14mm Toe blend: Poor Misalignment: 2mm Angular Distortion 3mm in 50mm U M E D NOTES: NOTES: Angular Distortion 3mm in 50mm G E
Page 2 of 3
EXAMPLE PLATE REPORT
EXAMPLE PLATE REPORT
M Root concavity C M E A S U R WELD ROOT B A Lack of root Fusion 247 Root concavity 2 deep 23 20 10 E F R O 128 50 M T H I S Incomplete root penetration Penetration height : 4mm S D A T NOTES:NOTES: Penetration height : 4mm. Linear Misalignment: 2mm
Angular Distortion: 3mm in 50mm Any scale on plate surface
U M E D NOTES: NOTES: G E
EXAMPLE WELD INSPECTION REPORT/SENTENCE SHEET
EXAMPLE WELD INSPECTION REPORT/SENTENCE SHEET
I C Plenty 001
SPECIMEN NUMBER PRINT FULL NAME
001 SPECIMEN NUMBER
EXTERNAL DEFECTS
EXTERNAL DEFECTS Defects NotedDefects Noted Code or Specification ReferenceCode or Specification Reference Defect Type
Defect Type Pipe/Plate Pipe/Plate Section Section 1 1 Accumulative Accumulative Total Total 2 2 Maximum Maximum Allowance Allowance 3 3 Section/ Section/ Table N Table Noo 4 4 Accept/Reject Accept/Reject 5 5 Excess weld metal height
Excess weld metal height 1515 Excess weld metal appearance
Excess weld metal appearance AA--CC Poor blendPoor blend SmoothSmooth 88 RejectReject A-C 4mm 2mm Reject pp
pp jj
Incomplete filling
Incomplete filling AA--CC 22mm22mm NoneNone 55 RejectReject Inadequate weld width (PIPE)
Inadequate weld width (PIPE) AA--CC N/AN/A ------ ------ AcceptAccept Slag Inclusions
Slag Inclusions AA--CC 70mm long70mm long 50mm50mm 99 RejectReject Undercut
Undercut AA--CC 1 5mm depth1 5mm depth 1mm1mm 66 RejectReject Undercut
Undercut AA--CC 1.5mm depth1.5mm depth 1mm1mm 66 RejectReject Surface Porosity
Surface Porosity AA--CC 1.5mm 1.5mm 1mm1mm 22 RejectReject Cracks/Crack
Cracks/Crack--like defectslike defects AA--CC 40mm40mm NONENONE 11 Reject*Reject* Lack of fusion
Lack of fusion AA--CC 22mm22mm NONENONE 33 RejectReject Arc strikes
Arc strikes AA--CC 33 NONENONE 77 Reject***Reject*** Mechanical damage
Mechanical damage AA--CC NONENONE ------ ------ AcceptAccept Laps/Laminations
Laps/Laminations AA--CC NONENONE ------ ------ AcceptAccept Misalignment (Linear)
Root Defects
Root Defects
Misalignment
Misalignment AA--CC 2mm2mm 2mm2mm 99 AcceptAccept Excessive Root Penetration
Excessive Root Penetration AA--CC 4mm4mm 2mm2mm 1515 RejectReject Incomplete Root Penetration
Incomplete Root Penetration AA--CC 50mm50mm NONENONE 1313 RejectReject Lack of Root Fusion
Lack of Root Fusion AA--CC 20mm20mm NONENONE 1111 RejectReject Root Concavity
Root Concavity AA--CC 2mm depth2mm depth 1mm1mm 1010 RejectReject Root Undercut
Root Undercut AA--CC NONENONE ------ ------ AcceptAccept Cracks/Crack
Cracks/Crack--like defectslike defects AA--CC NONENONE ------ ------ AcceptAccept Slag inclusions
Slag inclusions AA--CC NONENONE ------ 99 AcceptAccept
This *pipe/plate has been examined to the requirements of code/specification TWI-N/WIS-PI
Porosity
Porosity AA--CC NONENONE ------ 22 AcceptAccept Laps/Laminations
Laps/Laminations AA--CC NONENONE ------ ------ AcceptAccept
This *pipe/plate has been examined to the requirements of code/specification ... and is accepted/rejected accordingly.
/
Comments:
* Request MPI testing to confirm crack and length.
** Large amount of spatter on weld face Recommend this is removed and re inspected
22nd August 2003 I C Plenty
** Large amount of spatter on weld face. Recommend this is removed and re inspected. *** Recommend arc strikes are ground flush prior to MPI testing for cracks.
Signature... Date... *Delete which is not applicable. Use the other side for any comments.
22nd August 2003 I C Plenty
Inspection Practice Specification
Inspection Practice Specification
Number
Number TWI 09
TWI 09--09
09--03
03
All dimensions are given in mm All dimensions are given in mm
No
No ImperfectionImperfection CommentsComments AllowanceAllowance
1
1 CracksCracks All types of cracksAll types of cracks Not permittedNot permitted
All dimensions are given in mm All dimensions are given in mm
2
2 Porosity/Gas pores/elongatedPorosity/Gas pores/elongated Gas cavities (wormholes) pipes
Gas cavities (wormholes) pipes ClusterCluster Max dimension of areaSingle poreSingle pore Max dimension Max dimension of areaMax dimension L = 13mm MaxL = 13mm MaxL = 1mm MaxL = 1mm Max 3
3 Solid InclusionsSolid Inclusions Non metallic. Individual sizeNon metallic. Individual size Maximum 1mmMaximum 1mm 4
4 Solid InclusionsSolid Inclusions Metallic. Individual sizeMetallic. Individual size Not permittedNot permitted 5
5 Lack of FusionLack of Fusion Side wall/Root/InterSide wall/Root/Inter--runrun Not permittedNot permitted 6
6 Incomplete Root PenetrationIncomplete Root Penetration Not permittedNot permitted 7
7 Overlap/Cold lapOverlap/Cold lap Weld face/RootWeld face/Root Not permittedNot permitted 8
8 II l t l fill dl t l fill d N tN t itt ditt d
8
8 Incompletely filled grooveIncompletely filled groove Not permittedNot permitted 9
9 Linear MisalignmentLinear Misalignment 0.2t Maximum 4mm0.2t Maximum 4mm 10
10 Angular MisalignmentAngular Misalignment Maximum 10ºMaximum 10º 11
11 UndercutUndercut Smoothly blended Smoothly blended 10%t Maximum d 1mm 10%t Maximum d 1mm 12
12 Arc StrikesArc Strikes Area to be tested by MPIArea to be tested by MPI Seek adviceSeek advice 13
13 LaminationsLaminations Not permittedNot permitted
14
14 Mechanical DamageMechanical Damage Not permittedNot permitted 15
15 CC H i htH i ht Sh ll f ll b lSh ll f ll b l l tl t ff 00 33 h M ih M i 15
15 Cap HeightCap Height Shall fall below plate surfaceShall fall below plate surface 0 0 ––3mm h Maximum3mm h Maximum 16
16 Penetration BeadPenetration Bead 0 0 ––2mm h Maximum2mm h Maximum 17
17 Toe BlendToe Blend SmoothSmooth
18
Plate Sample 6A Cap
Plate Sample 6A Cap
Incomplete Filled Groove
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Cap Undercut Slag
Porosity
Lack of
f i Cap Undercut
Incomplete Filled Groove
?
?
?
?
?
?
Cap Undercut Intermittent Slag Inclusion fusion Cap Undercut Intermittent?
?
?
?
?
?
?
?
Cap Undercut I i?
?
?
?
A St ik Arc Strike?
?
Intermittent Arc Strike Arc Strike
Note: spatter and surface slag requires removal arc strikes
?
?
?
?
Note: spatter and surface slag requires removal, arc strikes require blending and crack detection
Plate Sample 6A Root
Plate Sample 6A Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Excess
Penetration Excess Penetration Gas Pore
?
?
?
?
?
?
?
?
?
?
?
?
Lack of Root Fusion Root Undercut Linear Misalignment Surface Slag?
?
?
?
?
?
?
?
Surface SlagNote: Spatter and surface slag require removal Note: Spatter and surface slag require removal
Plate Sample 6B Cap
Plate Sample 6B Cap
I l t Fill d G
?
?
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Lack of Sidewall Fusion Incomplete Filled Groove
Porosity Lack of Sidewall Fusion
?
?
?
?
?
?
?
?
?
?
?
?
?
?
Overlap and Excess Cap Height Full Weld Length Surface Slag
?
?
?
?
Note: Surface slag requires removal and poor toe blending Note: Surface slag requires removal and poor toe blending
Plate Sample 6B Root
Plate Sample 6B Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
?
?
Slag Inclusion?
?
Crater Pipe?
?
?
?
?
?
?
?
?
?
Lack of Root Fusion Lack of Root Fusion
?
?
?
?
Lack of Root Penetration?
?
Plate Sample 6C Cap
Plate Sample 6C Cap
Incomplete
Welding Process FCAW Welding Process FCAW
Longitudinal Surface slag & Spatter
Cap Undercut Incomplete Filled Groove + Lack of Sidewall F i
?
?
Crack Surface slag & Spatter Fusion?
?
?
?
?
?
?
?
Slag Inclusion Incomplete Filled Groove + Lack of?
?
?
?
Slag InclusionSidewall Fusion + Cap Undercut Intermittent
Note: Spatter and surface slag requires removal Note: Spatter and surface slag requires removal
Plate Sample 6C Root
Plate Sample 6C Root
Welding Process FCAW Welding Process FCAW
B Th h
Poor Stop/Start + Lack of Root Penetration Mechanical Damage
?
?
Burn Through Excess Penetration?
?
?
?
?
?
?
?
?
?
Lack of Root Fusion
Lack of Root Fusion
?
?
Plate Sample 6D Cap
Plate Sample 6D Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Excess Cap Porosity Incomplete Filled Groove
?
?
?
?
Cap Undercut Cap Undercut Excess CapHeight Lack of Sidewall Fusion
?
?
?
?
?
?
?
?
?
?
?
?
?
?
Overlap between Capping Passes
Note: Excess cap height and poor cap profile throughout Note: Excess cap height and poor cap profile throughout.
Plate Sample 6D Root
Plate Sample 6D Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Lack of Root Fusion
?
?
Mechanical Damage
Lack of Root Fusion
?
?
Lack of Root Fusion
?
?
Plate Sample 6E Cap
Plate Sample 6E Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Lack of Sidewall
Fusion Undercut Cap
I t itt t Cap Undercut Intermittent
?
?
Intermittent Cap Undercut Intermittent?
?
?
?
?
?
?
?
Excess Cap Height
Incomplete Filled Groove
?
?
?
?
?
?
Excess Cap Height
Incomplete Filled Groove
?
?
Plate Sample 6E Root
Plate Sample 6E Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
?
?
?
?
Lack of Root Fusion
Poor Stop/Start + Crater Pipe
Lack of Root Fusion
Root Undercut
?
?
?
?
?
?
?
?
Excess Root Penetration
?
?
Excess Root?
?
Excess Root Penetration Excess RootPenetration
Crater Pipe Lack of Root fusion
?
?
?
?
?
?
?
?
?
?
Plate Sample 6F Cap
Plate Sample 6F Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Mechanical
Damage
?
?
Lack of Sidewall fusion
?
?
Crater pipe?
?
Lack of Sidewall fusion
Poor Toe Blend Lack of Sidewall Fusion + Incomplete Filled Groove
Arc
?
?
?
?
?
?
Arc Strikes Tack WeldNote: Arc strikes require blending and crack detection
?
?
?
?
Plate Sample 6F Root
Plate Sample 6F Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Arc Strikes Poor Stop/Start + Lack of Root Penetration + Crater Pipe
Mechanical Damage +
Lack of Root
Blow Hole Lack of Root Fusion
?
?
?
?
Mechanical Damage +?
?
Lack of Root Fusion Fusion
Fusion
?
?
?
?
?
?
?
?
?
?
Lack of Root Fusion Arc Strikes Arc Strikes
?
?
?
?
?
?
Note: Arc strikes require blending and crack detection Note: Arc strikes require blending and crack detection
Plate Sample 6G Cap
Plate Sample 6G Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Arc Strikes Parent Material Damage
?
?
?
?
Arc Strikes
Lack of Sidewall Fusion + Incomplete Filled Groove
?
?
?
?
Poor Toe Blend + Excess Cap Height Porosity
?
?
?
?
p g y
Note: Arc strikes require blending and crack detection Seek Note: Arc strikes require blending and crack detection, Seek
Plate Sample 6G Root
Plate Sample 6G Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Plate corrosion
Poor Stop/Start
?
?
?
?
Parent material gas cavities Lack of Root FusionPoor Stop/Start
?
?
?
?
Surface Slag?
?
Crater pipe?
?
Surface slag?
?
Li Mi li t Surface Slag?
?
Surface slag Linear MisalignmentNote: Surface slag requires removal plate corrosion requires Note: Surface slag requires removal, plate corrosion requires
Plate Sample 6H Cap
Plate Sample 6H Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Incomplete Filled Groove Arc Strikes Arc Strikes Slag Inclusion Arc Strikes
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
Cap Undercut Intermittent Arc Strikes Cap Undercut A St ik
?
?
?
?
?
?
?
?
Arc StrikesNote: Parent plate damage throughout seek advice Arc Note: Parent plate damage throughout, seek advice. Arc
Plate Sample 6H Root
Plate Sample 6H Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Crater pipe
?
?
Excessive root penetration
?
?
Linear misalignment + lack of root fusion
?
?
?
?
?
?
?
?
Arc strikes Poor stop/start?
?
?
?
?
?
?
?
pLack of root fusion
Arc strikes Lack of root fusion
Note: Arc strikes require blending and crack detection Seek Note: Arc strikes require blending and crack detection, Seek
Plate Sample 6I Cap
Plate Sample 6I Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Cap undercut Spatter
Arc strikes
?
?
?
?
Arc strikes?
?
?
?
Poor toe blend full weld length
?
?
?
?
Note: Arc strikes require blending and crack detection Note: Arc strikes require blending and crack detection.
Plate Sample 6I Root
Plate Sample 6I Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
?
?
Lack of root penetration
?
?
Burn through?
?
Poor stop/start?
?
Arc strike?
?
?
?
?
?
Linear misalignment?
?
?
?
?
?
Lack of root penetration Lack of root fusion
?
?
?
?
Mechanical damage?
?
?
?
Lack of root fusion + poor stop/start + poor stop/start
Note: Arc strikes require blending and crack detection Seek Note: Arc strikes require blending and crack detection, Seek
Plate Sample 6J Cap
Plate Sample 6J Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Suspect crater cracking Porosity
Suspect crater cracking
?
?
Cap undercut
?
?
Arc strikes?
?
Cap undercut Porosity?
?
Cap undercut?
?
Cap undercut intermittent?
?
Note: Material damage throughout seek advice Arc strikes Note: Material damage throughout, seek advice. Arc strikes
Plate Sample 6J Root
Plate Sample 6J Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Linear misalignment +
?
?
Mechanical damage
Lack of root fusion Linear misalignment + lack of root fusion
?
?
?
?
Lack of root penetration
?
?
?
?
Linear misalignment + lack of root fusion
?
?
Note: Material damage seek advice on course of action Note: Material damage seek advice on course of action.
Plate Sample T4 Cap
Plate Sample T4 Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Mechanical damage
Cap undercut Cap undercut
?
?
?
?
?
?
?
?
?
?
Spatter/irregular cap profile
?
?
Note: Grinding marks throughout seek advice on course of Note: Grinding marks throughout seek advice on course of action.
Plate Sample T4 Root
Plate Sample T4 Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Root undercut
intermittent Arc strike
?
?
?
?
Lack of penetration intermittent
?
?
?
?
Ground flush root
?
?
Plate Sample H8 Cap
Plate Sample H8 Cap
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Arc strikes Mechanical
damage Cap undercut intermittent Surface slag
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
Cap undercut intermittent
?
?
Mechanical damage p?
?
?
?
gNote: Mechanical damage seek advice on course of action. Excess cap height and poor cap profile throughout Arc Excess cap height and poor cap profile throughout. Arc strikes require blending and crack detection.
Plate Sample H8 Root
Plate Sample H8 Root
Welding Process MMA (SMAW) Welding Process MMA (SMAW)
Arc strike
Lack of root Lack of root f i Lack of root f i Spatter
?
?
Lack of root fusion
Lack of root
fusion fusion fusion
?
?
?
?
?
?
?
?
?
?
?
?
Spatter
Root undercut intermittent