PRACTICAL PLATE.
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Transcript of PRACTICAL PLATE.
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
PRACTICAL PLATE.PRACTICAL PLATE.
SECTION 22SECTION 22
SECTION 26SECTION 26
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
Un
derc
ut
1.5
max
236
Gas
pore
> 1
.5 Ø
230
Lack o
f sid
ew
all
fusio
n
87
241
153
Excessiv
e w
eld
meta
lH
eig
ht
4m
m
51
Sla
g
inclu
sio
n
Excess w
eld
meta
l h
eig
ht
:
4m
m.
Toe B
len
d:
P
oor
Weld
wid
th:
1
2-1
4m
m
M
isalig
nm
en
t:
2m
mA
ng
ula
r D
isto
rtio
n
3
mm
in
50m
mS
patt
er
alo
ng
weld
len
gth
C
30
Arc
S
trik
e
40
22
8
P
ag
e 1
of
3
E
XA
MP
LE
P
LA
TE
RE
PO
RT
N
am
e:
[Blo
ck
ca
pit
als
] M
r.
I C
Ple
nty
S
ign
atu
re:
I C
Ple
nty
Te
st
pie
ce
id
en
t:
00
1
Co
de
/Sp
ec
ific
ati
on
us
ed
: T
WI
09
-09
-03
W
eld
ing
pro
ce
ss
:
MM
A/S
MA
W
J
oin
t ty
pe
:
Sin
gle
V B
utt
We
ldin
g p
os
itio
n:
F
lat
/PA
Le
ng
th &
th
ick
ne
ss
of
pla
te:
3
00
mm
x
10
mm
Da
te
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
B
A
NO
TES
:N
OTES
: 3015
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
Lack o
f ro
ot
Fu
sio
n
247
R
oot
con
cavit
y 2
d
eep
23
128
Incom
ple
te
root
pen
etr
ati
on
Excess p
en
etr
ati
on
heig
ht
:4m
m.
Toe B
len
d:
P
oor
Excess p
en
etr
ati
on
wid
th:
3-4
mm
Lin
ear
Mis
alig
nm
en
t:
2m
mA
ng
ula
r D
isto
rtio
n:
3m
m
in 5
0m
m
C
20
50
10
Pa
ge
2 o
f 3
EX
AM
PL
E P
LA
TE
RE
PO
RT
EX
AM
PL
E P
LA
TE
RE
PO
RT
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
B
A
NO
TES
:N
OTES
:
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
1) Use a pencil for the arrow lines, but make all written comments and measurements in ink ink onlyonly
3)3) Do not forget to compare and sentencecompare and sentence your report
2) 2) Report everythingeverything that you can observe
4) 4) Do not forget to date & signdate & sign your report
5)5) Make any observations, such as recommendations for further investigation for crack-like imperfections.
Plate Inspection Points
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
QUESTIONS ?QUESTIONS ?
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
REMEMBER!REMEMBER!
TERMINOLOGY:TERMINOLOGY:Use standard terms. Use standard terms. Do not use abbreviations. Do not use abbreviations.
ACCURACY:ACCURACY:All dimensions in millimetres. All dimensions in millimetres. No need to scale. No need to scale. Measurements to be as accurate as Measurements to be as accurate as possible.possible.PRESENTATION:PRESENTATION:Sketch to be as neat as possible. Sketch to be as neat as possible. The key to passing the The key to passing the examination.examination.
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld Centre for Materials Joining Technology
I C Plenty001
EXAMPLE WELD INSPECTION REPORT/SENTENCE EXAMPLE WELD INSPECTION REPORT/SENTENCE SHEETSHEET
SPECIMEN NUMBER
EXTERNAL DEFECTS Defects Noted
Code or Specification Reference
Defect Type Accumulative
Total1
Maximum
Allowance2
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*
Lack of fusion 22mm NONE 3 Reject
Arc strikes 3 NONE 7 Reject***
Mechanical damage 30mm Seek Advice-
14 Refer
Laps/Laminations NONE ------------ ----------- Accept
Misalignment (Linear) 2mm 2mm 15 Accept
Longitudinal seams (PIPE) N/A ------------ ---------- Accept
PRINT FULL NAME
25mm x 4mm 2mm Reject15
Arc strike 3 x 25mm None 12 Reject
Copyright © 2005, TWI Ltd World Centre for Materials Joining TechnologyWorld 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 DEFECTSROOT DEFECTS
Comments: Not Burn through 10mm referenced N/A
Refer Spatter should have been removed before inspection. Seek
advice