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7/30/2019 ASME 2011a SECVIII
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7/30/2019 ASME 2011a SECVIII
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a Table 7.2Nondestructive Examination
Examination Group 1a 1b 2a 2b
Permitted Materials
All
Materials
in Annex 3-
A (18)
P-No. 1 Gr
1 & 2
P-No. 8 Gr
1
P-No. 8 Gr
2
P-No. 9A Gr1
P-No. 9B Gr
1
P-No. 11A
Gr 1
P-No. 11A
Gr 2
P-No. 10H
Gr 1
P-No. 1 Gr
1 & 2
P-No. 8 Gr
1
Weld Joint Efficiency 1.0 1.0 1.0 1.0
Joint
CategoryType of Weld.(1)
Type of
NDE.(2)Extent of NDE (10)(11)(1
A
Full penetration
butt weld
1 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
B 1 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
B 2,3 RT or UT
MT or PT
NA
NA
100%
10%
NA
NA
25%
10%
B 1 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
B 2,3 RT or UT
MT or PT
NA
NA
100%
10%
NA
NA
25%
10%
B 1 MT or PT 100% 10% 100% 10%
A 1 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
B 1 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
B 8 RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
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Longitudinal joints
Circumferential jointson a shell
Circumferential joints on ashell with backing strip (9)
Circumferential joints on a nozzle where,d>150mm (6 in) or t>16mm (5/8 in)
Circumferential joints on a nozzle where
d > 150 mm (6 in) or t > 16 mm (5/8 in)
with backing strip (9)
Circumferential joints on a nozzle where
d 150 mm (6 in) and t 16 mm (5/8 in)All welds in spheres, heads and
hemispherical heads to shells
Attachment of a conical shell with a
cylindrical shell at an angle 30Attachment of a conical shell with a
cylindrical shell at an angle > 30
Errata
7/30/2019 ASME 2011a SECVIII
15/21
a Table 7.2Nondestructive Examination (Cont'd)
Examination Group 1a 1b 2a 2b
Permitted Materials
AllMaterials
in Annex 3-
A (18)
P-No. 1 Gr1 & 2
P-No. 8 Gr
1
P-No. 8 Gr
2
P-No. 9A Gr
1
P-No. 9B Gr1
P-No. 11A
Gr 1
P-No. 11A
Gr 2
P-No. 10H
Gr 1
P-No. 1 Gr1 & 2
P-No. 8 Gr
1
Weld Joint Efficiency 1.0 1.0 1.0 1.0
Joint
CategoryType of Weld.(1)
Type of
NDE.(2)Extent of NDE (10)(11)(1
CAssembly of a flat
head or
tubesheet, with
a cylindricalshell
or
Assembly of a
flange or a
collar with a
shell
1, 2, 3, 7 With full penetrationUT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
C 9, 10With partial penetration ifa
>16 mm (5/8 in.)(16)
UT
MT or PT
NA NA NA NA
C 9, 10With partial penetration ifa
16 mm (5/8 in.)(16)
UT
MT or PTNA NA NA NA
CAssembly of a
flange
or a collar
with a nozzle
1, 2, 3, 7 With full penetrationRT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
C 9, 10 With partial penetration MT or PT NA NA NA NA
C 9, 10
With full or partial penetration
d 150 mm (6 in.) and
t 16 mm (5/8 in.)
MT or PT 10% 10%(4) 10% 10%(4)
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NO CHANGES TO THIS PAGE
7/30/2019 ASME 2011a SECVIII
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a Table 7.2Nondestructive Examination (Cont'd)
Examination Group 1a 1b 2a 2b
Permitted Materials
All
Materials
in Annex 3-
A (18)
P-No. 1 Gr
1 & 2
P-No. 8 Gr
1
P-No. 8 Gr
2
P-No. 9A Gr1
P-No. 9B Gr
1
P-No. 11A
Gr 1
P-No. 11A
Gr 2
P-No. 10H
Gr 1
P-No. 1 Gr
1 & 2
P-No. 8 Gr
1
Weld Joint Efficiency 1.0 1.0 1.0 1.0
Joint
CategoryType of Weld.(1)
Type of
NDE.(2)Extent of NDE (10)(11)(1
D
Nozzle or branch
(5)
1, 2, 3, 7
With full penetration d>
150 mm (6 in.) or t> 16 mm
(5/8 in.)
RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
D 1, 2, 3, 7
With full penetration d
150 mm (6 in.) and t
16 mm (5/8 in.)
MT or PT 100% 10% 100% 10%
D 9, 10
With partial penetration for
any d
a>16 mm (5/8 in.) (17)
UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
100%
10%(4)
D 9, 10
With partial penetration
d > 150 mm (6 in.)
a 16 mm (5/8 in.)(17)
MT or PT NA NA NA NA
D 9, 10
With partial penetration d
150 mm (6 in.)
a 16 mm (5/8 in.)
MT or PT 100% 10% 100% 10%
D
Tube-to-
Tubesheet
Welds
MT or PT 100% 100% 100% 100%
E
Permanent
attachments
(6)
1, 7, 9,
10
With full penetration or partial
penetration(15)
RT or UT
MT or PT
25%(7)
100%
10%(4)
10%
10%
100%
10%(4)
10%
NA
Pressure retaining
areas
after removal of attachments
NA MT or PT 100% 100% 100% 100%
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See Figure 4.18.13 and Table4.C.1
Errata
7/30/2019 ASME 2011a SECVIII
17/21
a Table 7.2Nondestructive Examination (Cont'd)
Examination Group 1a 1b 2a 2b
Permitted Materials
AllMaterials
in Annex 3-
A (18)
P-No. 1 Gr1 & 2
P-No. 8 Gr
1
P-No. 8 Gr
2
P-No. 9A Gr
1
P-No. 9B Gr1
P-No. 11A
Gr 1
P-No. 11A
Gr 2
P-No. 10H
Gr 1
P-No. 1 Gr1 & 2
P-No. 8 Gr
1
Weld Joint Efficiency 1.0 1.0 1.0 1.0
Joint
CategoryType of Weld.(1)
Type of
NDE.(2)Extent of NDE (10)(11)(1
Cladding by
welding
RT or UT
MT or PT
(13) (13) (13) (13)
100% 100% 100% 100%
Repairs (14)
RT or UT
MT or PT
100%
100%
100%
100%
100%
100%
100%
100%
NOTES:
(1) See paragraph 4.2
(2) RT = Radiographic Examination, UT = Ultrasonic Examination, MT = Magnetic Particle Examination, PT = Liquid Penetrant Exam
(3) 2% if 30 mm (1-3/16 in.) and same weld procedure specification as longitudinal, for steel of P-No. 1 Gr 1 and P-No. 8 Gr 1
(4) 10% if 30 mm (1-3/16 in.), 0% if 30 mm (1-3/16 in.)
(5) Percentage in the table refers to the aggregate weld length of all the nozzles, see paragraph 7.4.3.5(b).
(6) RT or UT is not required for weld thicknesses 16 mm (5/8 in.)
(7) 10% for steel of P-No. 8 Gr 2, P-No. 9A Gr 1, P-No. 9B Gr 1, P-No. 11A Gr 1, P-No. 11A Gr 2, P-No. 10H Gr 1
(8) (Currently not used.)
(9) For limitations of application see paragraph 4.2.
(10) The percentage of surface examination refers to the percentage of length of the welds both on the inside and the outside.
(11) RT and UT are volumetric examination methods, and MT and PT are surface examination methods. Both volumetric and surface ex
be applied the extent shown.
(12) NA means "not applicable". All Examination Groups require 100% visual examination to the maximum extent possible.(13) See paragraph 7.4.8.1 for detailed examination requirements.
(14) The percentage of examination refers only to the repair weld and the original examination methods, see paragraph 6.2.7.3.
(15) RT is applicable only to Type 1, full penetration welds.
(16) The term a as defined in Figure 7.16.
(17) The term a as defined in Figure 7.17.
(18) For SAW welds in 21/4 Cr1Mo1/4V vessels, ultrasonic examination in accordance with 7.5.4.1(e) is required.
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Delete
replace with extendedhyphen (-) in 4 places
Errata
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Table 7.2 Nondestructive Examination
Examination Group 1a 1b 2a 2
Permitted Materials
All Materials
in Annex 3.A
P-No 1 Gr 1 & 2
P-No. 8 Gr 1
P-No. 8 Gr 2
P-No 9A Gr 1
P-No 9B Gr 1
P-No. 11A Gr 1P-No. 11A Gr 2
P-No. 10H Gr 1
P-No 1
P-No
Weld Joint Efficiency 1.0 1.0 1.0 1
Joint
CategoryType of Weld (1)
Type ofNDE (2)
Extent of NDE (10)(11)
A
Full penetrationbutt weld
1 Longitudinal jointsRT or UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
B 1Circumferential joints
on a shellRT or UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
B 2,3Circumferential joints
on a shell withbacking strip (9)
RT or UTMT or PT
NANA
100%10%
NANA
2510
B 1
Circumferential jointson a nozzle where
, d>150mm (6 in) ort>16mm (5/8 in)
RT or UT
MT or PT
100%
10%
100%
10%(4)
100%
10%
10
10%
B 2,3
Circumferential jointson a nozzle where
d > 150 mm (6 in) ort > 16 mm (5/8 in)
with backing strip (9)
RT or UTMT or PT
NANA
100%10%
NANA
2510
B 1
Circumferential jointson a nozzle where
d 150 mm (6 in) and
t 16 mm (5/8 in)
MT or PT 100% 10% 100% 10
A 1All welds in spheres,
heads and hemisphericalheads to shells
RT or UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
B 1
Attachment of a conical shellwith a cylindrical shell
at an angle 30
RT or UT
MT or PT
100%
10%
100%
10% (4)
100%
10%
10
10%
B 8Attachment of a conical
shell with a cylindrical shellat an angle > 30
RT or UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
7-23
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2010 Addenda - For Info Only
7/30/2019 ASME 2011a SECVIII
19/21
Table 7.2 Nondestructive Examination
Examination Group 1a 1b 2a 2
Permitted MaterialsAll Materials
in Annex 3.A
P-No 1 Gr 1 & 2
P-No. 8 Gr 1
P-No. 8 Gr 2
P-No 9A Gr 1
P-No 9B Gr 1
P-No. 11A Gr 1
P-No. 11A Gr 2P-No. 10H Gr 1
P-No 1
P-No
Weld Joint Efficiency 1.0 1.0 1.0 1
Joint
CategoryType of Weld (1)
Type ofNDE (2)
Extent of NDE (10)(11)
CAssembly of a flathead or tubesheet,
with a cylindricalshell
orAssembly of a
flangeor a collarwith a shell
1,2,3, 7
With full penetrationUT
MT or PT100%10%
100%10% (4)
100%10%
1010%
C 9, 10With partial penetration ifa > 16 mm (5/8 in) (16)
UTMT or PT
NA NA NA N
C 9, 10With partial penetration if
a 16 mm (5/8 in) (16)
UTMT or PT
NA NA NA N
C
Assembly of aflange
or a collarwith a nozzle
1,2,
3, 7With full penetration
RT or UT
MT or PT
100%
10%
100%
10% (4)
100%
10%
10
10%C 9, 10 With partial penetration MT or PT NA NA NA N
C 9, 10
With full or partialpenetration
d 150 mm (6 in) and
t 16 mm (5/8 in)
MT or PT 10% 10% (4) 10% 10%
D
Nozzle or branch(5)
1,2,3, 7
With full penetrationd> 150 mm (6 in) ort> 16 mm (5/8 in)
RT or UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
D1,2,3, 7
With full penetration
d 150 mm (6 in) and
t 16 mm (5/8 in)
MT or PT 100% 10% 100% 10
D 9, 10With partial penetration for
any da > 16 mm (5/8 in) (17)
UTMT or PT
100%10%
100%10% (4)
100%10%
1010%
D 9, 10
With partial penetration
d > 150 mm (6 in)a 16 mm (5/8 in) (17)
MT or PT NA NA NA N
D9, 10
With partial penetration d
150 mm (6 in)
a 16 mm (5/8 in)MT or PT 100% 10% 100% 10
7-24
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2010 Addenda - For Info Only
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