ULTRASONIC IN
IO
DEFECTS ULTR ULTRAS ASON ON NSPE NSPE TION TION PRAC PRACTI TICE CE IMPL IMPLEM EMEN ENTI TING NG CODE CODE
DR.
VOIC VOICE: E: 614. 614.26 268. 8.05 0518 18 FAX: FAX: 614. 614.26 267. 7.62 6288 88 E-MAIL:
[email protected]
IN
TERMINOLOGY CRITICALITY MATE MATERI RIAL AL BEHA BEHAVI VI
SOME SOME CONF CONFIG IGUR URAT ATIO IONS NS
ASTM AWS
IN
TERMINOLOGY CRITICALITY MATE MATERI RIAL AL BEHA BEHAVI VI
SOME SOME CONF CONFIG IGUR URAT ATIO IONS NS
ASTM AWS
1.
2. TERMINOLOGY
IMPERFECTIONS
INDICATIONS RELEVANT NONRELEVANT
FLAWS
DEFECTS
ULTR ULTRAS ASON ONIC IC WELD WELD INSP INSPEC ECTI TION ON
3. CRITICALITY (o
APPLIED
RESIDUAL
LIVES MONEY
INIT INITIA IA -S ~TRASONIC
W E L D INSPECTION
FABR FABRIC ICAT ATIO IO
ATER ATER AL
EH VI
BRITTLE
TRES TRES
SERS SERS
SHARP vs. BLUNT BELOW)
DUCTILE DISTORTION CORR CORROS OSIO IO
RESI RESIST STAN ANCE CE
VELDS 1. SO
CO FIGU ATIO
Single- V·groove wakI
S in gl e- V. gr oo n
~~ ~ - -
Id
( w It h
l II I r. k in 1 l
Doublebevelgrcov
o " l e· J
Double U'Y",oo'Ve
' oo v
el
w~ld
fl
Est, U L T RA S O N
wel,
W E L D N SP E CT IO N
MIN
~f
I-Lf
Noles: 1.
2.
HO
as required ;>
COURSE
CONSTANT 10
--'tJ~-7---:r---...J
\(~_____,+
1/8 in. (3 mm) MAXIMU
IB
DIFFERENC IN
WELD IS REQUIRED (B)
(A)
REBEVEL AFTER WELD BUILDU
+..___--....wV 2.5
00 OF TUBE
MACHINE, GRIND, OR THERMAL CUT SMOOTH BEFORE WELDING D)TRANSm
00 OF TUBE
Q---...t
mm).117~---
1~
TA ER
2.5
1 12 I n . MACHINE BEFOR WELDING
RE
2.5
CONSTAr
.i
-.
T RA S O N
W E L D N SP E CT IO N
S HO R
C OU RS E
BRANCH
MAIN
MEMBER
MEMBER (A CIRCULAR
SECTIONS
(8) BOX SECTIONS
MAXIMU LIMI OF T~CONNECTIONS
TO
ZONE
Ie) T-CONNECnON
(D) V-CONNECTION
GA K(T-K) (E) K-CONNECTION
IF
K-COMBINATIO
KiT-V) CONNECTION
N ol e R el ev a a p i s b et w e n r ac e w h s e load ar essentiall balanced IYml-0..iJ; also referred to as an N-connection _i
LT AS NI
EL
INSPEC IO
MEASURED
ALON TH SURFAC T H C HO R BETWEE PROJECTIONS OF TH BR NC EM ER O UT SI D U RF AC E TH
NEARES
APPROACH
E
8
FLAWS
Locations
HAl, Types
stresses) Orientation Longitudinal
ULTRASONIC WELD INSPECTION
Transverse
Other
SHOR rOURSE
..
(1
er ter
Trans-
crack in
base in
ULTRASONIC WELD INSPECTION
metal. (9) Hat
CRACK
Underbead cracks Toe crilCk
Un
ULTR SONI
WELD
NS FCTION
~ -~ -
..rbca
,,,,,k~
n c m p le t
F us i
so
ca
Locations Groove n - e tw ee n es R oo t n co m p le t p en e t a t o n Causes np
Manipulation Configuration
Contamination
EL ':,':j ~!
'"
Tl
MATTGOLlS_~~~_
Incomplete fusion
{BI
Incornplet
fUSio
fusion
Incomplete fusion
~s~4/V
"LTR
IC
EL
PE TION
Ov StiJ critical
Und stress risers
UC
OL
located at toe/root slow technique, position/filler m e t a l m is m a c h face e xc es s v e s pe e second p a s s Underfill
Und"rcut
" " o v e f l
Overlap
SH RT CO RS
nc us ns
m o de s
cr ca
etween pass
mp
'L TRASONIC WELD INSPECTION
mo
SHOR
COURSE
me
ma
me
me pa al el
Ba
met
ARC
L oc a
u s o n s u a ce )
nc
site o r c ra c
ns
ns
ni at on
Base metal
(prod) techniques
A SO N
WE
N SP E
mi
J
,
,
l_ A . . , "
)(
..
~j
fJ
II
IJ
;-~l
LAMINATION
MATTGOLlS~_
y, rl ri al Portable Inexpens ve Im edia Result
es on
ex (p
re
Weld techniques.
ULTRASONIC WELD INSPECTION
ra
ra
re
ch
ue
interpretation by th
inspector.
nk
have not ye be om practice.
co
on-pla
nd
in genera weldin
inspection. particular structure'
weld
eventual owner.
T RA SO N
WEL
N SP EC T
HO
MATT GOLlS_~_
Overview
"discontinuities.
available.
ns
ULTRASONIC WELD INSPECTION
brat on
an
ng
HO
______
Transducers L on g u d n a
C o m p re s s o n S t a ig h B e am , 0 °
B as e M e a l
h ic kn es s W e Epox
F la w
POllin
.r-Backlfl
rnoteric
:~~,---t-~Eleclrical contact
(+
CooxiOI
connecter
Electrical contact
Weof"-resistant
faceplate
P ie zo e c l r ic element -(
t ra i h T- b
(longitudinal-wave)
An D is co n n u e s W i h i
contcct->'
Be an
su N e a W e ld s
El ctrica
conroe
(+)
COOliOI
conoecror
P'''luelectric element
Plcs tic wedge
LT
potting
Instruments Pulser
Receiver
Display
If
P u s e e ne rg i e s
R ec e v e
amp
'-'"
a ns du ce r X du ce r
es an
mod es si na
X du ce r
OR
OU
OLlS
eA .... .-
.'.,
"':.'
....
100
100% Full Screen
80
P e a k P u ls e Height
-J
Tim (~Sec.) or Distance (mm)
IO
60
--
_lJJ
t~I,
S
Thicknes
"Distance"
rRASONlC WELD lNSPECTION
6
7
8
9
Slant "Distance
1
MATT GOLI
T ra n s du c e r C a l b ra t o n Ex
n de x P o n t
Angle-beam earc
unit
,Surface
-,
SOund beam
Block point ----'
An le-bea
Ex
B ea m ) A n
Block
0_600
d+-------G-
1.400--1
Re -.
-~
L T RA S t!
-N'
WE
PE
Bl
earc
rlll
»<
___Index painl
MATT GOLl
U l t a s on i
S ys te m C a l b ra t o n
Th
u l a so n
uc a de q u ac y
ns umen
a ns du ce r a n
n te r
nf ur ng nt No el ni n e a y , a n d e la te d p e r o rm a n c c ha ra c te r s t c s n d p en d n t nc pt ne al
calibration.
An
B ea m H o
Us
Bl
n ta l
ca
Ca
at
Angle -becm
search
5
6
7
8
Surfac
un,1
10
- -
- -r - - .
10 80
il
60
.--
---------------~~ --TR
EL
_ .
-
A-
T G
Us ng DS
D is t n c n d e I l
ns
Ca
n) Bl
S 8 I e x
100
60
40
10
INSPECTION
SIIORT CO RS
- ~-
Dept
Resolution
L on g u d n a
S t a ig h B e am ) u s n g
Block
Straight-beam s ea rc h u ni t
Sound beam-
'-----I
S...r!oee
esoluuo»
R e f e r e n c e Block
D I
COURSE
.~~--~-.----
geometrical or
INSPECTION
S in c d is c n t n u e s w i h i a n a ro un d w e d s o cc u w i n um e r u s h ap e a n d om in an t en n s h e c an n n g h e w e m u s c om p r s e a ns ve rs e d is p a ce m en ts , o ng i u d n a te
m a x im i z
h e p ro ba b Ali'll"
1":<1111
Irdll"II"U~1
o f d e e c n g e x s t n g e f e c o rs . T,:<,IIIII:I:l;
P,tliJ II;"
A"
-I j ll "
llllU:1
H!'"
IIdl",1 1111;1;1
Weld
(h)
'I
"' lll
1",",;",,,
TR
1;
tORT COUR
Manipulating Transducer ra
re ft
able 4.
ri
Si na Interpretation Sc emes ApScan Response
Vertical
th (man
Thickness
si es
Thin if on
ra Length
(large)
Depth/widt
Tl-allsltltt! ill ma or directio
ical
side predominates lo
Drop-off at ends
(large) ra
ical lo Tip diffraction Surfac
Text.ure
Smooth
Rough
Cris
fa
rise id
ls
Multi-echoes Cuntents
phas
reversal
~ . ~
MAT
GO
Or en at
Ro at
M ax im i
g na l R es p n s
[DOD Amplitud from
Ve
ca
a ns la t
drop
011rapidly as th search unit position is change
normBI incident Bnijl
Ou
Wa
wit
the di$continuity.
ng
na
II
I,
Amplitud drop slightly at lirs movement of search unit t~en dr.ops rapidly.An envelopeof movementalongthebaselines~ dlscontl~u ity height assearch ismovedtowards and awa 'ro Ihedlscontlnulty.
ea Re
ct
Ro
ab
ur e,
Dr
Of
mOJO] ABC
Amplitud
from
AS
WE
EC
.~ ..
-
drop
of rapidl
thl!
I! re
unil I'",,,il"l
normal incident angl with th discontinuity.
I! r.hangll
p he r
Re
C on s a n
e sp on s
eg
es
ng es
wwUJ Nole Amplitud an dept ar unchange when th search unit is maintaine at constant distance from an move around Ih discontinuity.
45
SO
70
Amplitud remain unchanged (assuming equal sensitivity calibration an adjustment fo attenuation) distance change with angl [unles calibrate to be thesame assoun ismoved around the discontinuity.
S ph e c a
Ref ec or
Rap
d ro p o f w i
n ea r
a ns la t o n
A M E A NG L
:I
ID
I, I~
IE
Ampfitud drop ropidl showin little or no discontinuit indication with Ih sameangl bu distance chunqe astho search unit iamove toward an away fro Ih discontinuity.
: -
L T RA SO N
: : : : : : : -
WE
PE
. ~
. -. .
. . . . ~ ~ -
El
s o - - - - , ,. . . -- - -
80
.... Ii jl'l
_ Mo :l mi z
n di ca ti o
h ei gh t
1\ k.nown value.
DisconUnuity
location
Is from scanning
ov
s ea rc h
i sc o t in ui t
ni
t ow ar d
u nt i
p on t
th
d is c n ti nu it y
u nt i point
w he r i nd ic at io n r op s rapidly to t h b as e l in e
he i nd ic at io n d ro p r a i dl y t o Ihe base line
M ar k o r n ot e t h
Ma
surtace as measured
o ca ti on .
o r n ot e o ca ti on . Discontinuit dimension.
atonq the CRT.
hei!,lht
D et er mi n i sc o t in ui l ri nt ti nd mintmum/maximu indicatio hoight.
until indicatio 11
scanning referenc
surfac adjacent to search unit cenler beam referenc mark
In ca between
th
both marks.
R E FE R EN C E M A R L " T ot a
e ng t
d is co nt i u it y
th
fe
MATT GOLI
la
Reflec rs Co
Defect type
CR
ac of usio
yp Flaw
er
eflector al os
oo
soun
00
Indication Images
Reflec io
. ~ _ __ _ _ . _ " l ~ - ~ ~ _ . _ shar
Spiked Reflecto junction with Baseline
Crac Type Flaw Very good ou eflector grea er ha 0% Refl ctio Some soun scatte from fracture face irregularities
som
Spiked reflecto with broildening 01 Baseline
Slag Type Flaw .. B ro ad en e B as el in e a n reduce height
Porosity Type Flaw ma be Soli or Ga filled voids, Clustere
Crac OF orositie wi h.soun in iden ngle gr at ha 15 De re de ect. Very oo efle to it less than 5% ou efle tion Typically a r UT Inspection de ec ur
Smal Reflectors
V er y s m al l Baseline lndicatlona
IIW Block
om
ateria
ur ac
quiv lent
As identified throug
of he
th cali ration proces
eld/base-met l.
.r
ULTRASONI
WELD INSPECTION
A,-S::-H-O-R-T-C-OU-R-S-E
TT
----------------~----------------
in
used.
L"htulJgll Clad
ll,ic\mc,"
D ee p i nt o h e Rase Melal
Matelial All..,.
HoirSIu
lDiamelerx
-----+-tUiri~
Clad INitIo (4)1
1164In.,
l'tI.ta Distan.e II.~In.l
Fla Bollo Te.lllol.
Plug
TRASONIC
EL
INSPECTION
SHOR
CO RS
OI.I
ef ni
cr
ULTRASONIC
th
se
ssue
th
cr
ensitivity
se
WELD INSPECTION
dist
ce fr
th tr nsducer.
SKIP D!STANCE
Skip Distanc
TanO COS()R
~U~LT=R~A~S~O~Nl~C~W~:E~L~D~IN~S~P~EC=T~IO~N----------------~-A-S-H-OR-T-C--OU--IKSE
MATT
~
(Se) observed on th
S QI J" }; OP A
li rate
T H _ __ __ _. ,
Surface Distance
Sr
DEPTII
SinOR
-Sca
nd
DEP'rn
.5
E FE C
AT
HA
ui ::J (/)
...J
ra,
2~~~~--~--~~ 5 4
OR ZONT
023
DIST NC
FROM
tn.
R : - : : T : : - C - : - O - UR- :- S - E
l\
(j
~ -
-
onducted is su ll capt re in he ules eg lati ns uideli es andard ra ti es expres ed in do umen publishe by tech ical be
few. ASTM andard Examination of Weldments,
ev lopmen an list
et il
ac ic
or Ul ra onic Co ta
pe ific examinatio
he judgemen
procedures
inspector, engineer an purchaser. V:
Nondestructive Examination, Articl 5: Ultrasoni Examination Method or at rial an abricati n, its
it
le lt by reference, ar
la
in the
by ~
UL
~
A SO N
WEL
N SP E
ON
t\ SHOI{T COURSE
:2000
li
inches
separate matter
ULTRASONIC
T- Y-
W E L D INSPFCTION
ror
fRSF
MATTGOLlS~~_
6.0 Inspection
Ge Definition Part
Role
Responsibilities
Contracto Responsibilities
ay UT Criteria
in
6.11
(Static
6.2)
(Cyclica Loadin 6.3
(Bewar
of lana Re lectors/al erna iv
look
Tubula Connections 6.13.3 Us alternativ sizing approa Lowe sensitivity, Length ased Nondestructive Testin
Procedures
Part Personne Qualificatio SNT-TC-1A, Levels II, xten of Te ting (b Fu UL
A SO N
W EL D
PE
ON
1\ SHOR
COl.IRSF
MATT GO
(see 6.9) Statically
Cyclically Tub lar
Connections Discontinuit (1)
Catcgory an Inspection Criteria
Connections
Crack Prohibition
A n c ra c T ho ro u and
"a""
i s u na cc c! !l a l c
r eg ar dl es s
s iz e
l oc a i n
io f us io n s ha l e xi s b et w e n a dj ac en t l ay er s o f w el d m et a
(3
Cr
intermittent fillet weld outsid
of thei effectiv
( 4 W el d r ol il e Weld profiles shal be in conformanc (5 im I n p ec ti o V is ua l i ns p c ti o w el d
o ur s a ft e
wilh :;_24_
i n a l s te el s may begi tu ta
d"'-"'"a1
o mp le ti o
[o th en
length
immediatel t er i
ls (6)
el
Se io
shal be f il le d t o p r v id e t h s p c if ie d w el d s iz e e xc e
Al crater
t ha n
n d e tw ee n w el d
metal.
afte th cnmp ..lc.t wd.l
is
t h w el d
dd
h e s iz e o f f il le t w el d i n a n c on ti nu o w el d m a size (L} withou correction Ill: th followin amount sl?:!:cificdnominal weld size in.lmm 311 (S
l es s t ha n t h s l2 !: ci fi ed n om in a {V):
allowable d ec re as e f ro m L , i n ( mm )
slf1lim s3(.12 (2.5
.!H..®
2:5/16 (8 I n l l c as es , t h u n e rs i ( ll Jr li o o f t h s ha l n o e x e e On we la w el d is
0 % o f t h w el d l en gl h ll le
equal 10 t wi c t h w i t h o f t h f la ng e (7) Undercut
ia e xc e
t ha t
ti
t hi c
/3
m a i mu m 1/16 i n
l at e "oy l e g t
im ry rs rc (S) th weld is transverse 10 t en si l s tr es s
..
AS
WE
PE
nd
le
ld l.
a n d es ig n l o d in g c on di ti on . U n e rc u s ha l
Co
ti
Table 6. Criteria (Statica ly Loaded Nontubular Co nections
trasonic Acceptance-R jectio
(see 6.13.1) W el d :lflh{ts)
3/
i n i n (0101) and Search
Urut Angl
j/4lZUj
;;>
through
through
Discontinuity
h ic k e ss "
1·1(2 (38
(20)
;;>
1·1/2 (38 through 2·1/
(65)
;;>
(IUU Ihrnugh!\ (200)
2·112 «(,S throug
(lOU 45'
70
0&
-7
;;>
Severity
(,U'
45'
70'
+1&
+3&
-5&
70·
Class
~6
(,0'
~3
~2
+4
-4
+1
+J
+s
-3
+2
+6 +7
-210
+8
&up
45°
4& lower
lower
-5
-3 -2
+1
lower
crass Clas
-2&
lower
lower Class
(,1)"
II
-410
iit
+2
+2
+2
+4
+2
+2
+.1
+3
+:
+S
+J
+~
+4
up
&up
up
&. up
up
Notes:
by al leasl
en er co it Clcc lh I WI ' " ' " ! ,u~h c
or Ie" th;11Ithe in en tu lu "n ir an i , , ," ,' < or CI U o C. the discontinuity ,h.,11 he considered ,illl\le a~~cfltahle
discontinuitie ar no separate ea by maximum allowable len!!t under h e p ro v s io n .han 2. Clas an discontinuilie lenglh. detected J. Diocontinui!ic i ca l r at i
at ·scanning
mv
level" Ih
ro ~c ib
[ ac e r e ( ,. 2 . 6. 5
m p t e joint pcnclllIli"" ""uhle gmnv en el rc ig ct a, te io
weil j o in t , h; ,1 1 a l a te d 0" th ,1"I"'i" (,,,hllaC! el
dll
tf...) r .l ec tr o~ I~ .
ro ly
o r C 'l ec lf og a! ;
an sh
Cla: ...
Any
~ nd i( ,, :; I. i( _1 n i n
welds: Uis(_"NHinuilie,:; ucteclcc.I a t " sc an ni n evaluate with radiography.
Int'"
(large discnntinuitics}
!:':::II,r:gory !ilh!ltl he r~j~["I~tI
(reg:ullir
Cla~~ I I ( me d u m d is co mm u iu es ] indi~atio in this category having l en gt h greate (20 mm) ~hall be rejected. An
Clas
1 h e ~ i l !" o ~ c . 'l ~ d ; I ~ hcin
in.
!I;. or tll"nglh) ....
Ihan 3/4 inch
(small disconunuuies]
ca
pipil1!;
through
WE
ill in (mm)
path 2·1/2
throug 10lh",ugh
ClassU (mini" Llisconltnulltcs)
A n ) ' inlJicalil,n in t hi s c at eg or y s ha l be accepted Icganllc,,", of lenglh or locillion in the weld.
EC
ev AI1I1YC
Soun
2·11 throug
{SI! rnm) shall be rejected,
AS
c!(ceru
I c v e ~. .. w hk h
be furlhe
"T
co
Re
Zero
nc
14 14
«(,5 mm) {(,5-125 mill
IO(12S-25Dmrn) IS (2S0-:HHI fC[U
II
ou
.W
1T1ITI)
at
tliStilnCC; NO
Illil!ni'lithld"",,.
Table 6.3
Ultrasonic Acceptance-Rejection
Criteria (Cyclically Loaded Nontubula Connections (see 6.13.2)
We 3/4 (20)
5/16 (8
through
throunh
.1/4
Discontinuity
An
1 -1 / ( 3R ) t hr ou g b 2-1/
(31l)
(65)
2-1/
(65) t hr ou gh .
(100)
1>(1"
45"
lower
lower
(200)
1 ! Q ) u ou g
Severity
Class
45
(><1·
lower
lower
luwcr
+9
+5
til
Class
lower +10 +11
+8
+1)
Class
up
+7
+4 +1]
+13
+12
+14
up
up
+)
+5
+7 +J
+7 +8
4~'
-2&
l &
CI
60'
+9
+6
+10 +9
+6 up
up
+2 +8
lip
up
up
up
Notes: t. c."J.a~m
ee
di5cnnlinuili.e;s
.shall
tM;:
:M;rar.olcd by i l l . leas... 2 L .. .
I p \; in ~ t h
l en gl h o f the. tnnger
lll.s4xmHnlJily. CXil..~pIthai when tw
or more
such
u is co mt nu ui e ar o t s ep ar at e b y a l l ea \ 2 1. , b U t h c om bi ne d l en gl h o r d is c n li n i li e a n t he i 5 ep :l ra li o d is ta nc e i s e qu a 1 0 o , ," , t ha n l I> e maximu allowabl Icnglh unde th provisions 0'1 ... Il (If C, Ih tlisconlinuily shal be considered single acceptable di"Conlinuily. 2 . C ia " an d i" "l ln ti n i li e s ho l U l! > g i 81 an es a n lL f ro m w el d e nd s c u r yi n p ri m~ r l en .~ il e .Ires., !>ring the discontinuit length. J. Di:iCOll'i"n'Uiti~;,
e ,i n ar r o t h i nd ic ., i Fo at ·Wdd
I hi ck "c »
dcrccacd it "':Kil-Aning l~vc:I" i l I I. .. . n x r r ac e area er cempiese il ens an c ri be d i n r al in g " d" ] em in ch ed
, ha l
h<;
ue ne
Clas Any
i"dicu.l~on
~h.:!.IIIt1.rejected
(mediu
Any indication c .l c (111 mm) .hall be rejected. Ct;,..
,"ICk"es.,
nt
tne thinner
discontinuities) a vi n re te
ha
p•• t, being joined.
Scanning
Sound (smal discontinuilies)
indicallon in this category shall be a cc ep te d r eg a d le s
path"
in i n ( mm )
R e e re nc e
;>
2-1/ (65 mm (65-12 mm 2-ln throug throug 10(125-250 mm 10 Ih"'''S
15 (~50--:lB
INSPECTION
20 25 35 45
111111)
o f l en gt h O r th
WE
Levels
throug
(minm .J;!'Il.~]minuiljl;~)
location in the weld.
AS
tw
inch
the m id dl e h al f or 3/4 inch (20 mm) length in Ihe mp or ",,"om quarter of weld thickness shall be rejected, An
u s in g l i ci
6.13.2.1.
(rc;&an.uc~:t of knglh).
(50
C l" ," i: '
th
jnints shall he evaluated d••w
(large discontinuities)
iM Ihtl- c:J,(egor
Cia,"
a . m e noml"al
JOi", penetrauoa d o u h. Je g r o o v e w e l el at as en
a nc e
e ri a
d1
._
(Alternatives)
2dB step
Transducers Straight-Beam, Angle-Beam, Angles
ve 60dB range
In in area
MHz
1") degrees, ±2 degrees
Inch
IIW Reflectors "System" Resolution by No Corner
On-Locatio Calibratio Distance
--
C W
~ ~ ~ ~~ .~ -~ -
SH RT
RS
MATT GO
. ~ ~
g P Markings
ll
ld
Re or Si e, Lo atio Trig er
Alternat
el
Sc
Entire Volume (+HAZ)
ro
Grin flus
.~
~ II TRAS
IC
WFLD IN
FC IO
Appr ac
Dire ti ns
MAT
48
PAGE
GO 6.
. . ~ -
rroccllurc
Char
M a t er ia l T h c kn es s 1 - / 4( 45 ) to
> 2- 1/ 2( 60 )
3-1/2 ( I J O )
2(
Weld
> 3- 1/ 2 ( YO ) >4 - / 2( 11 U
l3ull
> 5 { lJ U
>6-1/2 (1(.0)
to
10
10
10
to
n. mm)
lG
lG
or
or
4-1/
12
'I
or
to
II (200
2(1
(13U
(HO)
(1110)
or
or
or
12.
10 T-
or
or
or
or
or
I'
XI'
IG
IG
Cornet
XF Electrogas
Electroslag
13
(,
or
or
or
Or
I'
or
10
or
or
or
fI
II
or
or
or
I'
10
10
I'
XI' ur
I'
14
1'3
or
ur
11
P3
or
1'3
15
15
15
FACE
FACE
BUTIJOINT
C OR NE R
J OI N GROUND
FLUS
Noles: I. Where possible, all u~minaUons shall be made I ro m - ac e A n d Leg I, unle otherwis src<.:ific
IOWDfd
of Ih.ic'kn-c.:lo'i
quauer of Ihic~ncs., shal he le,leu
PJ
or
15"
sh all
u m F ac e
be 1 C
in L e
fini,1 kg
wh
ur
o m l'ace I l
of ~nunJ
Leg
pll'~n:;.:-.i,,~
ut he co
uc or
frorn
Fc:....:1CA
IUWdlU
po
complete
Fa s ca nn in g o f
cd zo
Le
re
b le .
fr
F O iL ' !; ; U ~ i .c . ,
or
ac rhe rop
"P on un cv
Ihe
f u b ot h c on ne ct e
OIcIIII.<" .,1>;,11 he i" the
contract documents. Ii. T h
w el d face same plane.
AS
d i a te d
WE
al be
ou
us
EC
cf
us
p r c ed u
G.
(I.
,9, 12
I~. ! 'a c
Tabl 6. (Continued LegcmJ;
"c." il
te
ia
sketches). te it ld Required only wher displa
jo
lo
l al e referenc
meta interfac whil searchin
in T- OTCOTnerjoint. height indication of discontinuit is note at th weld metal-base
at scanning leve with primar
procedures selected from firs column
ty io matcrtat rhicknes with only 45 or 70 transducer of equa specification, hoth facing Ih weld (Trans u ce r m us t h e e l i n f ix tu r t o c on tr o p o i ti o i n - se c s k t ch . A mp li tu d c al ib r t i f O p it c a n c at c i s o r a ll y m a h y c al ib r t i pitC an catc inspection, ther should instrumen variables ld t al ta te transducer-e-whichcver soun
he
s in gl e s e r c n it . h e s wi tc hi n t o d ua l s ea r n it s f o a ss ur an c t ha t t hi s c al i r at io n o c n o h a g e a s a r es ul t
ic ll path is neares to bein
perpendicula
it to th suspecte
fusion surface.
Procedure Legend Area or Weld Thicknes Bottom Quarter
No. 70'
:I
(,0'
60
0'
45'
45
45"
70"
60
60·
60
60·
45
1'10·
(.0·
10
60· 45"
12
45"
13
45
14
70 GA
15
.1
LTRASONI
WELD INSPECTION
70
45
70'1 13
711"G
ATTERN
-R
~c--j ,11
10
-+------ --
t-l-J
I--c-j
. ....
MOVEMENT
--I
MOVEMENTC
. . . U
io
MOVEMENTS Notes: Testin patt rn
ar al symm trical ir
2. Testing f r
tl
th
roun th weld axis with th
xc ptio
attern
th
ax
10be made wherever mechanicall
possible
Scanning Movement 10 degree
All LT
_
in
tern SH RT CO RS
)I it
it
Length
Indication Rating
1"
U L TR A S N l
WEL
P EC T O N
-
.- .. .~ --
HO
Discontinuity
Decibels
.
c:
.9
<:
IV
.c ::J
.2
IV
._
.!;; ...J
.2
II
lP
'_I:: 2=>
~~ $ffi
iU
If
~~ ...J
I:
<11<116i a::_ _OJ
iU
Eo
lIIU
~J!!
I:
.g
~O>
'O+>
..se
·s
.I
s:
c, II
....J
~
~.
.!;
.g
.t:~
.c
::J
0~
~U
::J
2'<.:
Distance
., '"
oil)
-'--_ ..
.._-
10
11 12
13 14 16 17 16
19 20
~ - -= -
Remarks
Genera Ultrasonic Inspection Metals
th Krautkramer, J. Springer-Verlag, 1990.
Ultrasonic Testin
of Materia/s, 4thEd.,
nd
Ultrasonic Testing,
Ed.,
th
elding Handbook
Nondestructive Testing, oc du es
998. th Ed.,
ie
Nondestructive Examination, Engineers, Curren Edition.
U L R A SO N
WEL
N SP E
-~~-
ON
