7/31/2019 Practical Plate Inspection
1/8
Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
PRACTICAL PLATE.
SECTION 22SECTION 26
7/31/2019 Practical Plate Inspection
2/8
Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
Undercut1.5 max
236
Gas pore> 1.5
230
Lack ofsidewall fusion
87
241
153
Excessive weld metal
Height 4mm
51
Slag
inclusion
Excess weld metal height : 4mm.Toe Blend: PoorWeld width: 12-14mmMisalignment: 2mm
Angular Distortion 3mm in 50mmSpatter along weld length
C
30
Arc Strike
40
22
8
Page 1 of 3 EXAMPLE PLATE REPORTName: [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
MEASU
R
E
F
ROM
TH
IS
DATU
M
ED
GE
WELD FACE
BA
NOTES:3015
7/31/2019 Practical Plate Inspection
3/8
Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
Lack of rootFusion
247
Root concavity2 deep
23
128
Incomplete root
penetration
Excess penetration height : 4mm.Toe Blend: PoorExcess penetration width: 3-4mmLinear Misalignment: 2mm
Angular Distortion: 3mm in 50mm
C
20
50
10
Page 2 of 3 EXAMPLE PLATE REPORT
MEASU
R
E
F
ROM
TH
IS
DATU
M
ED
GE
WELD ROOT
BA
NOTES:
7/31/2019 Practical Plate Inspection
4/8
Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
1) Use a pencil for the arrow lines, but make all
written comments and measurements in inkonly
3) Do not forget tocompare and sentenceyourreport
2) Report everythingthat you can observe
4) Do not forget todate & signyour report
5) Make any observations, such asrecommendations for further investigation forcrack-like imperfections.
Plate Inspection Points
7/31/2019 Practical Plate Inspection
5/8
7/31/2019 Practical Plate Inspection
6/8
Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
REMEMBER!
TERMINOLOGY:Use standard terms.Do not use abbreviations.
ACCURACY:All dimensions in millimetres.No need to scale.Measurements to be as accurate as possible.
PRESENTATION:
Sketch to be as neat as possible.The key to passing the examination.
7/31/2019 Practical Plate Inspection
7/8Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
I C Plenty
001
EXAMPLE WELD INSPECTION REPORT/SENTENCE SHEET
SPECIMEN NUMBER
EXTERNAL DEFECTS Defects Noted Code or Specification Reference
Defect Type AccumulativeTotal
1
MaximumAllowanc
e2
Section/Table No
3
Accept/Reject
4
Excess weld metal height 15
Excess weld metal appearance Poor blend Smooth 8 Reject
Incomplete filling 22mm None 5 Reject
Inadequate weld width (PIPE) N/A ------------
---------- Accept
Slag Inclusions
70mm long 50mm 9 Reject
Undercut 1.5mm depth 1mm 6 Reject
Surface Porosity 1.5mm 1mm 2 Reject
Cracks/Crack-like defects 40mm NONE 1 Reject*
PRINT FULL NAME
25mm x 4mm 2mm Reject15
Arc strike 3 x 25mm None 12 Reject
7/31/2019 Practical Plate Inspection
8/8Copyright 2005, TWI Ltd World Centre for Materials Joining Technology
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-I
22nd August 2003I C Plenty
Accept----------------------NONELaps/Laminations
Accept2------------NONEPorosity
Accept9------------NONESlag inclusions
Accept----------------------NONECracks/Crack-like defects
Accept----------------------NONERoot Undercut
Reject101mm2mm depthRoot Concavity
Reject11NONE20mmLack of Root Fusion
Reject13NONE50mmIncomplete Root Penetration
Reject152mm4mmExcessive Root Penetration
Accept92mm2mmMisalignment
ROOT DEFECTS
Comments: NotBurn through 10mm referenced N/A ReferSpatter should have been removed before inspection. Seek advice
Top Related