TABLE II
HP Piping (2758 kPa (Gage) Higher) Inspection Requirements 1/
Required Nondestructive Examination
---------------------------------------------------------------------------
Welded Joint
type and pipe VISUAL EXAMINATION
T/PT TEST
size, mm
Root
Completed
Root Completed
Completed
Extent
Layer
Weld
Layer
Weld
Weld
of
___________________________________________________________________________
Butt 100 and
X2/
X
X2/
X3/
X
6.28
greater
radian
---------------------------------------------------------------------------
Butt 65 to 90
X2/
X
X2/
X3/
X4/5/
At least
incl
105 radian
---------------------------------------------------------------------------
Butt less
X2/
X
X2/
X3/
X4/5/6/
At least
than 65
1.05 radian
---------------------------------------------------------------------------
All socket
X2/
X
X2/
X
--
--
and fillets
---------------------------------------------------------------------------
TABLE II
HP Piping (400 psig and Higher) Inspection Requirements 1/
Required Nondestructive Examination
___________________________________________________________________________
Welded Joint
type and pipe VISUAL EXAMINATION
MT/PT TEST
size, inches
Root
Completed
Root Completed
Completed
Extent
Layer
Weld
Layer
Weld
Weld
of
___________________________________________________________________________
Butt 4 and
X2/
X
X2/
X3/
X
360 degrees
greater
---------------------------------------------------------------------------
Butt 2 1/2
X2/
X
X2/
X3/
X4/5/ At least
to 3 1/2
60 degrees
incl.
---------------------------------------------------------------------------
Butt less
X2/
X
X2/
X3/
X4/5/6/
At least
than 2 1/2
60 degrees
---------------------------------------------------------------------------
All socket
X2/
X
X2/
X
--
--
and fillets
---------------------------------------------------------------------------
Legend:
X - Indicates that test is required.
MT
Magnetic Particle Inspection
PT
Liquid Penetrant Inspection
SECTION 15212N
Page 50