cswip welding inspection plate section practical - copy

Copyright © 2006, TWI Ltd World Centre for Materials Joining Technology

CSWIP 3.1 Welding InspectionCSWIP 3.1 Welding Inspection

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Practical Plate InspectionPractical Plate Inspection

Course Reference WIS 5


Undercut smooth 1.5 max

236

Gas pore 1.5 Ø

230

Lack of sidewall fusion

87

241

153

Centreline crack

51

Slag inclusion

Cap height : 4mm.Weld width: 12-14mmToe blend: Poor Misalignment: 2mmAngular Distortion 3mm in 50mmSpatter along weld length or scale on the plate surface

C

30

Arc Strike40

22

8

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

Welding position: Flat /PA Length & thickness of plate: 300mm x 10 mm Date 22/08/2003

M E A

S U R

E F R O

M T H

I S D A

T U M

E D G

E

WELD FACE

BA

NOTES:NOTES:


Lack of rootFusion

247

Root concavity 2

deep 23

128

Incomplete root

penetrationPenetration height : 4mm.Linear Misalignment: 2mmAngular Distortion: 3mm in 50mmAny scale on plate surface

C

20

50

10

Page 2 of 3 EXAMPLE PLATE REPORTEXAMPLE PLATE REPORT

M E A

S U R

E F R O

M T H

I S D A

T U M

E D G

E

WELD ROOT

BA

NOTES:NOTES:


I C Plenty001

EXAMPLE WELD INSPECTION REPORT/SENTENCE EXAMPLE WELD INSPECTION REPORT/SENTENCE SHEETSHEET

SPECIMEN NUMBEREXTERNAL DEFECTSEXTERNAL DEFECTS Defects Defects

NotedNotedCode or Specification ReferenceCode or Specification Reference

Defect TypeDefect Type Pipe/Plate Pipe/Plate SectionSection

11

AccumulativeAccumulativeTotalTotal

22

MaximuMaximumm

AllowancAllowancee33

Section/Section/Table NTable Noo

44

Accept/RejectAccept/Reject55

Excess weld metal heightExcess weld metal height 1515

Excess weld metal appearanceExcess weld metal appearance A-CA-C Poor blendPoor blend SmoothSmooth 88 RejectReject

Incomplete fillingIncomplete filling A-CA-C 22mm22mm NoneNone 55 RejectReject

Inadequate weld width (PIPE)Inadequate weld width (PIPE) A-CA-C N/AN/A ------------------------ -------------------- AcceptAccept

Slag InclusionsSlag Inclusions A-CA-C 70mm long70mm long 50mm50mm 99 RejectReject

UndercutUndercut A-CA-C 1.5mm depth1.5mm depth 1mm1mm 66 RejectReject

Surface PorositySurface Porosity A-CA-C 1.5mm 1.5mm 1mm1mm 22 RejectReject

Cracks/Crack-like defectsCracks/Crack-like defects A-CA-C 40mm40mm NONENONE 11 Reject*Reject*

Lack of fusionLack of fusion A-CA-C 22mm22mm NONENONE 33 RejectReject

Arc strikesArc strikes A-CA-C 33 NONENONE 77 Reject***Reject***

Mechanical damageMechanical damage A-CA-C NONENONE ------------------------ ---------------------- AcceptAccept

Laps/LaminationsLaps/Laminations A-CA-C NONENONE ------------------------ ---------------------- AcceptAccept

Misalignment (Linear)Misalignment (Linear) A-CA-C 2mm2mm 2mm2mm 1515 AcceptAccept

Longitudinal seams (PIPE)Longitudinal seams (PIPE) A-CA-C N/AN/A ------------------------ -------------------- AcceptAccept

PRINT FULL NAME

A-C 4mm 2mm Reject


Signature......................................................... Date.....................................................................................*Delete which is not applicable. Use the other side for any comments.

This *pipe/plate has been examined to the requirements of code/specification .........................................and is accepted/rejected accordingly.

TWI-N/WIS-PI

22nd August 2003I C Plenty

MisalignmentMisalignment A-CA-C 2mm2mm 2mm2mm 99 AcceptAccept

Excessive Root PenetrationExcessive Root Penetration A-CA-C 4mm4mm 2mm2mm 1515 RejectReject

Incomplete Root PenetrationIncomplete Root Penetration A-CA-C 50mm50mm NONENONE 1313 RejectReject

Lack of Root FusionLack of Root Fusion A-CA-C 20mm20mm NONENONE 1111 RejectReject

Root ConcavityRoot Concavity A-CA-C 2mm depth2mm depth 1mm1mm 1010 RejectReject

Root UndercutRoot Undercut A-CA-C NONENONE ------------------------ -------------------- AcceptAccept

Cracks/Crack-like defectsCracks/Crack-like defects A-CA-C NONENONE ------------------------ -------------------- AcceptAccept

Slag inclusionsSlag inclusions A-CA-C NONENONE ------------------------ 99 AcceptAccept

PorosityPorosity A-CA-C NONENONE ------------------------ 22 AcceptAccept

Laps/LaminationsLaps/Laminations A-CA-C NONENONE ------------------------ -------------------- AcceptAccept

Root DefectsRoot Defects

Comments:* Request MPI testing to confirm crack and length.** 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.


NoNo ImperfectionImperfection CommentsComments AllowanceAllowance11 CracksCracks All types of cracksAll types of cracks Not permittedNot permitted22 Porosity/Gas Porosity/Gas

pores/elongatedpores/elongatedGas cavities (wormholes) Gas cavities (wormholes)

pipespipes

ClusterCluster Max dimension of Max dimension of areaarea

Single poreSingle pore Max dimension Max dimension

L = 13mm MaxL = 13mm MaxL = 1mm MaxL = 1mm Max

33 Solid InclusionsSolid Inclusions Non metallic. Individual sizeNon metallic. Individual size Maximum 1mmMaximum 1mm44 Solid InclusionsSolid Inclusions Metallic. Individual sizeMetallic. Individual size Not permittedNot permitted55 Lack of FusionLack of Fusion Side wall/Root/Inter-runSide wall/Root/Inter-run Not permittedNot permitted66 Incomplete Root Incomplete Root

PenetrationPenetrationNot permittedNot permitted

77 Overlap/Cold lapOverlap/Cold lap Weld face/RootWeld face/Root Not permittedNot permitted88 Incompletely filled grooveIncompletely filled groove Not permittedNot permitted99 Linear MisalignmentLinear Misalignment 0.2t Maximum 4mm0.2t Maximum 4mm1010 Angular MisalignmentAngular Misalignment Maximum 10ºMaximum 10º1111 UndercutUndercut Smoothly blended Smoothly blended 10%t Maximum d 1mm 10%t Maximum d 1mm 1212 Arc StrikesArc Strikes Area to be tested by MPIArea to be tested by MPI Seek adviceSeek advice1313 LaminationsLaminations Not permittedNot permitted1414 Mechanical DamageMechanical Damage Not permittedNot permitted1515 Cap HeightCap Height Shall fall below plate surfaceShall fall below plate surface 0 –3mm h Maximum0 –3mm h Maximum1616 Penetration BeadPenetration Bead 0 –2mm h Maximum0 –2mm h Maximum1717 Toe BlendToe Blend SmoothSmooth1818 SpatterSpatter Clean & Re-inspectClean & Re-inspect Refer to manufacturerRefer to manufacturer1919 Weld AppearanceWeld Appearance All runs shall blend smoothlyAll runs shall blend smoothly RegularRegular2020 Root concavityRoot concavity 10%t Maximum10%t Maximum

Inspection Practice Specification Inspection Practice Specification Number Number TWI 09-09-03 TWI 09-09-03 All dimensions are given in mmAll dimensions are given in mm


Plate Sample 6A CapPlate Sample 6A Cap

Note: spatter and surface slag requires removal, arc strikes require blending and crack detection

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


Plate Sample 6A RootPlate Sample 6A Root

Note: Spatter and surface slag require removal



Plate Sample 6B CapPlate Sample 6B Cap

Note: Surface slag requires removal and poor toe blending full weld length



Plate Sample 6B RootPlate Sample 6B RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)


Plate Sample 6C CapPlate Sample 6C Cap

Note: Spatter and surface slag requires removal

Welding Process FCAWWelding Process FCAW


Plate Sample 6C RootPlate Sample 6C RootWelding Process FCAWWelding Process FCAW


Plate Sample 6D CapPlate Sample 6D CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Excess cap height and poor cap profile throughout.


Plate Sample 6D RootPlate Sample 6D RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)


Plate Sample 6E CapPlate Sample 6E CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)


Plate Sample 6E RootPlate Sample 6E RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)


Plate Sample 6F CapPlate Sample 6F Cap

Note: Arc strikes require blending and crack detection



Plate Sample 6F RootPlate Sample 6F Root

Note: Arc strikes require blending and crack detection



Plate Sample 6G CapPlate Sample 6G Cap

Note: Arc strikes require blending and crack detection, Seek advise on parent material damage



Plate Sample 6G RootPlate Sample 6G RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Surface slag requires removal, plate corrosion requires wire brushing


Plate Sample 6H CapPlate Sample 6H CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Parent plate damage throughout, seek advice. Arc strikes require blending and crack detection.


Plate Sample 6H RootPlate Sample 6H RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)



Plate Sample 6I CapPlate Sample 6I CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Arc strikes require blending and crack detection. Spatter requires removal.


Plate Sample 6I RootPlate Sample 6I RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)



Plate Sample 6J CapPlate Sample 6J CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Material damage throughout, seek advice. Arc strikes require blending and crack detection.


Plate Sample 6J RootPlate Sample 6J RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Material damage seek advice on course of action.


Plate Sample T4 CapPlate Sample T4 CapWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Grinding marks throughout seek advice on course of action.

Excess cap height and poor cap profile throughout.


Plate Sample T4 RootPlate Sample T4 RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)


Plate Sample H8 CapPlate Sample H8 Cap


Note: Mechanical damage seek advice on course of action.Excess cap height and poor cap profile throughout. Arc

strikes require blending and crack detection.


Plate Sample H8 RootPlate Sample H8 RootWelding Process MMA (SMAW)Welding Process MMA (SMAW)

Note: Arc strikes require blending and crack detection. Spatter requires removal


Any QuestionsAny Questions

??

cswip welding inspection plate section practical - copy

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