Page 1 of 19
WELSPUN
FORMAT NO QA/F/013
DOCUMENT NO MITPS/KSA/14-15/001
REV NO 01
DATE 29.01.2014
QUALITY ASSURANCE PAGE NO 1 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Manufacturing Plant : Spiral 1, 2 & 3
PROJECT : RIYADH STRATEGIC WATER SUPPLY SCHEME
PIPE GRADE : API – 5L, Grade X52M PSL2
OFFER REFERANCE / P.O NUMBER : DK20140000000000033 DTD: 18/01/2014
PROJECT SPECIFICATION : Specification M01 ( steel pipe for main lines ) QC10-H-041 Rev- 3, [M01] Dated 27.09.2013
PIPE MANUFACTURING SPECIFICATION :
Helical Seam Submerged Arc Welded (SAWH) Line Pipes As Per
Customer Specification(M01) QC 10-H-041 Rev 3, Dated 27.09.2013 & API 5L 45th Edition effective from July
2013
DELIVERY CONDITION
SERVICE CONDITION
PIPE SIZE
ITEM
NO.
PIPE SPECIFIEDOUTSIDE
DIAMETER
WALL THICKNESS Grade QTY.
INCH(MM) INCH MM METERS
1 56” (1422.4) 0.375” 9.53 X52M As per PO
Revision Record
Revision Description Date Prepared By Checked Approved
0 Issued for Approval 21-01-2014 Waleed. Mohammed Maltesh Patil D. P. Singh Client
01 Client Comments 29-01-2014 Waleed. Mohammed Maltesh Patil D. P. Singh Client
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PAGE NO 2 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
(A) Scope
Client Specification
M01 clause 1 & API
5L clause 1
-------- Carbon steel SAWH, class 1, Non sour pipes as per API 5L &
Customer Specification M01 -------- -------- --------
1.0 Steel (Coils)
Client Specification
M01 Clause 4.1 &
API 5L clause 8.3
100% coils API 5L Grade X52M PSL 2 coils as per clause no. 8.3 of API
5L. Coil Mill TC R R
1.1 Coil Procurement
& Inspection API 5L clause 8.3.4 Each coil As per RMTDS & API 5L clause 8.3.4 Mill report H M
1.2 Edge milling Std. Procedure / WPS Each coil Each longitudinal edge max 10.0 mm each side & root and
bevel as per approved WPS Insp. report H M
1.3 Pipe forming API 5L Table 2 Each pipe As per mill procedure, forming angle shall be confirmed at
the time of PQT. Mill report H M
2.0 Welding including
skelp end joints
Client Spec.M01
clause 4.2.3 & 4.2.5
& API 5L clause
8.10.2 & 8.10.4 &
ASME SEC. IX
Each coil
As per approved welding procedures
A separate welding procedure shall be qualified for skelp end
welds.
Prod. Report H M
3.0 WPS/PQR/WPQ ASME SEC IX &
API 5L.
Each Wall
thickness/
Grade/Diameter
ASME SEC. IX / API 5L Annex – C & D. Weld procedure
for SAW & repair weld as per approved WPS. WPS/PQR/ WPQ H W/R
3.1
Automatic
submerged arc
welding
ASME section IX &
API 5L clause 8.6 &
8.10
Each pipe Current, voltage, speed, wire & flux. Shall be controlled &
monitored as per approved PQR Welding report H M
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PAGE NO 3 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
3.2 Continuous tack
welding (if done)
ASME section IX &
API 5L clause 8.4 Each pipe As per approved WPS & as per clause no 8.4 of API 5L. Welding report H M
3.3 Visual inspection
(Preliminary)
Client Spec.M01
clause 5.2 & (Clause
10.2.7 & 9.10.7of
API 5L.)
Each pipe
All pipes shall be visually examined both externally and
internally and shall be free of defects. Acceptance as per API
5L
Pre- visual report H RW
4.0 Fluoroscopy
(Internal)
Clause E.4 of API
5L. Each Pipe
As per API 5L. Clause. E.4.5, clause. E.4.6 & as per
approved WI for X-Ray ----- H -----
5.0
Hydrostatic test
(95% OF SMYS)
As per client
specification M01
clause 5.3.2 A(2)
Each pipe
Pipe shall be tested at following test pressures & the holding
time shall be 10 seconds
Item
no.
Pipe OD
(Inch)
WT
(mm)
Grade
Pressure
(min)
BAR
1 56”
(1422.4 ) 9.53
X52M 47
Calibration of the pressure gauges shall be carried out at start
of production further to a frequency of at least once per week.
Graph chart
showing pressure &
holding time for
each pipe and test
report
H RW
Non destructive
Testing
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PAGE NO 4 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
6.0 X-Ray Inspection
Clause E.3.2.2 of API
5L & As per client
specification M01
Clause 5.3.2 A.3 &
5.3.2 A.5
Each Pipe Ends As per API 5L clause. E.4.5, clause. E.4.6 & as per WI for X-
Ray
X-Ray report &
radiographs H R
6.1 Each pipe both
ends up to 250 mm
Clause E.3.2.2 of API
5L & As per client
specification M01
Clause 5.3.2 A.4.
Each Pipe ends Both ends of pipe up to a distance of 250 mm, acceptance as
per clause no. E 4.5 & E 4.6 of API 5L.
X-Ray report &
radiographs H R
6.2 RSO / RSI ----- If any All restart spots shall be x-ray checked, acceptance as per
clause no. E 4.5 & E 4.6 of API 5L
X-Ray report &
radiographs H R
6.3 T-joints of skelp
ends
Clause E.3.1.1 of
API 5L, Table E1 &
As per client
specification M01
clause 5.3.2 A.5
If any All T-Joints of skelp end welds with extent of 150 mm in
each direction of “T” Joint shall be inspected by X-ray
X-Ray report &
radiographs H R
7.0
UT calibration
standard
Clause E.5.3.2 of API
5L.
Twice per
operating shift,
with second
calibration at
interval of 4 hrs.
As per clause no. E.5.2 & E.5.3 of API 5L. Cal. Report / graph H RW
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PAGE NO 5 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
8.1
Weld Seam
Ultrasonic Testing
(AUTO UT)
Clause E.3.1 Table
E1 & 3.2.3 of API
5L
100% weld seam
of each pipe
including 25mm
near weld seam
(except untested
length)
All indications producing signals higher than the acceptance
limits of reference standard & API 5L shall be MUT checked.
Lack of Penetration Not Accepted >100 mm in weld.
Acceptance as per API 5L & WI for Auto UT.
UT report H W
8.2
Coil UT
Clause E.9 & E.3.2.3
of API 5L
Each Coil
For Body: Acceptance Level U1 of ISO 10893-9 2011
For edge: Acceptance Level U1(Table2) of ISO 10893-8 2011
over a zone of 25mm
Coil UT report H W
8.3
Manual ultrasonic
testing for weld &
body
Clause E.3.2.1 of API
5L & As per client
specification M01
clause 5.3.2 A.3
Each Pipe As per client specification M01 & API 5L Acceptance as per
API 5L & WI for MUT MUT report H W
a)
Each pipe End
untested weld
length from Auto
UT & Auto UT
indications
API 5L clause
E.3.2.1 Each Pipe Acceptance as per API 5L & WI for MUT. MUT report H
W
b)
MUT of 25 mm
from the beveled
ends of pipe
circumference
As per client
specification M01
clause A.3 Each Pipe ends In accordance with Annex E.3.2.3 & Approved WI for MUT. UT report H W
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
c) Skelp Joint Clause E.3.1.1 of
API 5L Table E1 Skelp weld 100%
The complete strip end weld shall be subjected to manual
ultrasonic testing.
Acceptance as per API 5L.
MUT report H W
9.0 Indication from
MUT
Clause E. 3.2.2 of
API 5L. If any
All indication from MUT shall be confirmed by X-ray,
acceptance as per clause no. E 4.5 & E 4.6 of API 5L. X-Ray report H R
9.1 Weld Repair areas
Clause C.4.6 of API
5L & As per client
specification M01
clause 5.4.2
If any All weld repaired areas shall be inspected by UT and X-ray X-Ray report H R
10.0
Residual
Magnetism
(if MPI is carried
out)
Clause E.7 & E.7.6 of
API 5L.
Each end of pipe
selected once per
4 hours
The average of the four reading shall not exceed 30 gauss and
no one reading shall not exceed 35 gauss Test Report H RW
11.0
Workmanship,
Visual Inspection
and Repair of
Defects
11.1 Visual Inspection
Clause 10.2.7 of API
5L & As per client
specification M01
Clause no.5.3.3
(Visual Inspection )
Each pipe inside
& outside Pipe shall be visually inspected from ID and OD
Visual &
dimensional Report H RW
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
11.2 Dents
As per client
specification M01
Clause no. 5.3.3.
Visual Inspection
Point 5
If any
Dents shall not exceed 6mm, nor shall they extent in any
direction over a distance longer than ¼ of pipe Diameter.
Dent containing creases, sharp edged imperfections or gouges
shall be considered as Defects.
Visual &
dimensional Report H RW
11.3 Radial Offset of
edges
As per client
specification M01
Clause 5.3.3 Visual
Inspection Point 3
Each pipe &
maintain record 3
pipe /shift
Max. 1.6mm Visual &
dimensional Report H RW
11.4 Misalignment of
weld beads
As per client
specification M01
Clause 5.3.3 Visual
Inspection Point 2 &
9.13.3 OF API 5L
Once/shift
Maximum 3.0mm Macro Reports
H
RW
11.5
Height of weld
bead (inside &
outside)
Clause 9.10.2 of API
5L & As per client
specification M01
Clause 5.3.3 Visual
Inspection Point 7
Each pipe &
record
3pipes/shift
Maximum 3.0 mm at ID & OD Visual & dimensional
report H RW
11.6 Cracks & leaks
Clause 9.10.2 of API
5L & As per client
specification M01
Clause 5.3.3 Visual
Inspection Point 4
If any
All pipes shall be free from defects in the finished condition.
All pipes shall be free from cracks and leaks. Cracks shall not
be repaired.
The acceptance criteria for imperfections found by NDI shall
be in accordance with annex E of API 5L
------- H RW
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
11.7 Undercuts
Clause 9.10.2 of API
5L & As per client
specification M01
Clause 5.3.3 Visual
Inspection Point 5
If any
Undercuts that have a depth < 0.4 mm are acceptable
regardless of length, and shall be treated in accordance with
clause C.1 of API 5L
Undercuts that have a depth > 0.4 mm but < 0.8 mm are
acceptable, provided that
1. Their individual lengths are < 0.5t, and
2. Their individual depths are < 0.1t, and
3. there are no more than two such undercuts in any
300 mm length of weld, and
4. All such undercuts are treated in accordance with
clause C.2 API 5L.
The undercuts that exceed the limits specified in item b) shall
be classified as defects and shall be treated in accordance with
clause C.3 of API 5L.
Visual &
dimensional report H RW
11.8
Inside & outside
weld bead grinding
(End flushing)
Clause 9.13.2.2 of
API 5L & per client
specification M01
clause 5.3.3.9
Each pipe Weld reinforcement shall be removed Up to 150mm
externally & 150mm internally at both ends of the pipe.
Visual &
dimensional report H RW
11.9 Hard spots(if any) Clause 9.10.6 &
10.2.4.8 of API 5L If any
Any hard spot larger than 50 mm (2.0 in) in any direction
shall be classified as a defect if its hardness exceeds 35 HRC,
345 HV10 or 327 HBW, based upon individual indentations.
Pipes that contain such defects shall be treated in accordance
with C.3 b) or C.3 c).
Visual report H RW
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PAGE NO 9 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
11.1
0 Laminations
As per client
specification M01
clause 5.3.3.non
destructive test clause
1.
If any No Lamination accepted within 25 mm circumference of pipe
ends. Visual report H RW
11.1
1 Arc burns
Clause 9.10.3 of API
5L If any
Arc burns shall be treated in accordance with Clause-C.2,
C.3(b) OR C.3(c) except that they may be removed by
chipping or machining, and Grinding provided that the
resultant cavity is thoroughly cleaned and checked for
complete removal of damage material by etching with 10%
solution of ammonium per sulfate or a 5%solution of natal.
Visual report H RW
11.1
2
Other defects
(Geometric
Deviations &
Scratch Mark)
API 5L clause
9.10.5, 9.10.7 If any Other Geometric deviations as per API 5L clause 9.10.5.1 Visual report H RW
11.1
3
Skelp end welds in
finished pipes
API 5L 8.10 or As
per client
specification M01
clause 4.2.3
If any
For finished helical seam pipes the junction of the strip end
welds and helical-seam welds shall be at least 500 mm from
the pipe ends.
Visual &
dimensional report H RW
11.1
4 Peaking
API 5L clause
9.10.5.1 & As per
client spec. M01
clause 5.3.3(Visual
Inspection 6)
If any Max 1.5mm Visual &
dimensional report H RW
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PAGE NO 10 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
12
DIMENSIONS,
WEIGHTS &
LENGTHS
12.1 Wall thickness
As per client spec.
M01 clause 5.3.3
Dimensional
Tolerances point no 6
Each pipe
The negative tolerance shall be max. -0.5 mm. The positive
tolerance shall be max. + 1.5 mm.
Min 9.03 mm
Max 11.03 mm
Visual &
dimensional Report H RW
12.2 Pipe length
As per client
specification M01
Clause 5.3.3.7
Each pipe
shall be supplied in following length
Min Length – 12.00 meters
Max Length – 18.00 meters
Min AVG Length – 15.00 meters
Visual &
dimensional Report H RW
12.3 Straightness Clause 9.11.3.4 of
API 5L
Each pipe
Total deviation from straight line for all pipes shall not exceed
0.2% of the pipe length & 4.0 mm max for a distance of 1000
mm from the extreme pipe ends.
Visual &
dimensional Report H RW
12.4
.
Outside diameter at
pipe body
(measured with pie
tape & recorded)
As per client
specification M01
Cause 5.3.3 of 3
Each pipe
OD = + 3.00 mm max.
Min 1419.4 mm to Max 1425.4 mm
Visual &
dimensional Report H RW
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PAGE NO 11 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
12.5
Internal diameter at
the pipe end over a
length of 100 mm
As per client
specification M01
Cause 5.3.3 of 2 &
API 5L Clause
9.11.3.1 Table-10
Each pipe
+ / - 1.6mm
Min 1401.74 mm to Max 1404.94 mm
Visual &
dimensional Report H RW
12.6 Out of roundness
12.6
.1 At Pipe Ends
As per client
specification M01
Cause 5.3.3.4 & API
5L Table 10
Each pipe &
record 3 pipes/
shift
Max 13.00 mm
Visual &
dimensional Report H RW
12.6
.2
At other than ends
(Body)
As per client
specification M01
Cause 5.3.3.4 & API
5L Table 10
Each pipe &
record 3 pipes/
shift
Max 15.00 mm
Visual &
dimensional Report H RW
12.7 Weight Clause 9.14.1 of API
5L Each pipe + 10% & - 3.5 % of nominal weight
Visual &
dimensional Report H M
12.8 Pipe Ends & End
Protectors
12.8
.1
Bevel angle & root
face
As per client
specification M01
Clause 5.3.3.9
Each pipe Bevel angle. 30° (+5°, -0°)
Root face 1.6 mm (± 0.8 mm)
Visual &
dimensional Report H RW
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
12.8
.2 End Squareness
As per client
specification M01
Clause 5.3.3.9
At least 3 pipes
per shift Squareness ≤1.6 mm
Visual &
dimensional Report H RW
13 Bevel protectors ------- Each pipe Metallic bevel end protector shall be provided at both ends. ------- H M
14
Repair
prohibition &
procedure
14.1 Repair procedure
As per client
specification M01
clause 5.4.2 & API
5L
If any As per approved WPS & PQR Approved WPS &
PQR H H
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
14.2 Repair Prohibition
API 5L & As per
client specification
M01 clause 5.4.2
If any
Following requirements shall also be complied with for repair
welding
The total length of repaired zone on each pipe weld
shall be < 4% of the total length of weld.
Weld defect separated by less than 100 mm shall be
repaired as a continuous single repair.
Each single repair shall be carried out with a
minimum of two layers/passes over a length of at
least 50 mm.
If Repaired after Hydro Testing the pipe shall be re-
hydro tested after repair.
Weld repair shall be performed using a qualified
WPS.
After weld repair, the total area of the repair shall be
radiographically& ultrasonically inspected in
accordance with Annex E of API 5L.
Through thickness & Crack repair is not allowed.
For coil/plate end welds, the total length of the
repaired zone shall not exceed 100 mm (4.0 in) and
shall not be within 100 mm (4.0 in) of the junction
between the end weld and the helical seam weld.
Repeated repair at the same spot are not allowed.
Repair by welding on base material is not
Permitted.
Repair By Grinding may be applied as per API 5L
provided the remaining wall thickness is not less than 0.1
of the nominal wall thickness.
Rectification report /
approved WPS &
PQR
H RW
15.0
Test report &
certification of
pipes
API 5L clause 13 Each pipe All documents as per API 5L Insp. & test reports H R
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
16.0 Marking on
finished pipe
clause 11.2.1 of API
5L
Each pipe one
End
Marking shall be on the inside surface of the pipe, starting of
a point at least 150 mm from one of the pipe ends and include
the following information, as applicable.
1. Name or mark of the manufacturer.
2. Specified outside diameter.
3. Specified wall thickness.
4. Pipe steel grade.
5. Product specification level designation.
6. Type of pipes. (Table 2 of API 5L )
7. Mark of customer‟s inspection representative if
applicable.
8. An identification number which permits the
correlation of the product or delivery unit with the
related inspection documents, if applicable.
9. For specified outside diameter marking in USG or SI
unit, it is not necessary to include the ending zero
digit to the right of the decimal sing.
The area of the pipe to be marked shall be clean and dry The
size of the lettering shall be 20 mm. Pipe number shall be
stamped on bevel
Pipe number shall be stamped on bevel end.
------- H M
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
(B) PRODUCTION
TESTS
B.1
Chemical analysis
(Product – Base
Metal)
Table 18 of API 5L
10.2.4.1 2 pipes / heat All elements as per Annexure – A of this MITPS
Chemical test report
H H
B.2 Mechanical Tests
B.2.
1
Transverse tensile
test (Base Metal)
API 5L clause 9.3.2,
10.2.3.2, 10.2.4.2,
Table 7 &18
Once / test unit
Tthe tensile properties shall be given in Table 7.
The tensile test shall be carried out in accordance with ISO
6892 or ASTM A370.
For pipe body tests, the yield strength, the yield ratio and the
percentage elongation after fracture shall be determined.
The percentage elongation after fracture shall be reported with
reference to a gauge length of 50 mm (2 in.). For test pieces
having a gauge length less than 50 mm (2 in.), the measured
elongation after fracture shall be converted to a elongation in
50 mm (2 in.) in accordance with ISO 2566 or ASTM A 370.
Test pieces for tensile test as per clause 10.2.3.2.
Mech. Test report H H
B.2.
2
(a)
Transverse tensile
test -Helical Weld
Seam
API 5L Table 18 Once / test unit
(The samples shall be taken in such a way that
the testing frequencies of API including weekly
weld tensile test per welding line is
complied)
Mech. Test report H H
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DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
B.2.
3
(a)
Guided bend test
Helical Weld Seam API 5L Table 18 Once / test unit
One face and one root face bend weld test shall be made on
samples cut from pipe.
The dimension „A‟ in guided bend test shall not be exceed 4
times of the specimen thickness
Acceptance criteria shall be as per API 5L
Mech. Test report
H H
B.2.
4
CVN Impact
Helical Weld Seam
& Pipe Body
API 5L Table 18 Once / test unit
Full size specimen as applicable shall be used
Acceptance shall be As per API 5L table 8
Test Report H H
B.2.
5
Hardness test
Helical Weld Seam API 5L Table 18
Any Hard spots
exceeding 50mm
in any direction(if
any)
Max.300 HB Test report H H
B.2.
6
Macro graphic
examination of
Helical Weld Seam
Clause 10.2.5 of API
5L 1 pipe / shift
The alignment of internal and external seams shall be verified
as per figure d of API 5L Test report H H
B
2.7
Skelp Weld –
Tensile, Charpy
and guided bend
API 5L clause 9.3.2,
10.2.3.2, 10.2.4.2,
Table 7 &18
Once per Lot of
50 skelp weld
pipes
Refer B 2.2,2.3,2.4,2.5 & 2.6 acceptance criteria Test report H H
B.3 Retesting &
rejection criteria API 5L If any As per clause 10.2.12.1 of API 5L Test report H
RW
WELSPUN FORMAT NO QA/F/013
DOCUMENT NO MITPS/KSA/14-15/001
QUALITY ASSURANCE REV NO 01
DATE 29.01.2014
PAGE NO 17 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
C FIRST DAY PRODUCTION TEST (ONE PIPE OF COMPLETELY FINISHED PIPE OF FIRST DAY’S PRODUCTION ) As per client specification M01 4.2.4 & 4.2.5
C.1 Hydrostatic test
As per client
specification M01
clause 5.3.2 A(2)
PQT pipe As per clause. 5 of this MITPS MPQT report H H
C.2
Automatic &
manual
Ultrasonic testing
(Weld and Body)
Clause E.3.1 & Table
E1 of API 5L PQT pipe
Complete weld length shall be UT tested as per clause. 8.1,
8.2 & 8.3 OF this MITPS
MPQT report
H H
C.3
Radiographic
testing of weld
seam
As per Client
specification M01
Clause 5.3.2 A3
PQT Pipe –
Fluoroscopy
Entire weld length
As per clause 6.0 of this MITPS MPQT report H R
C.4
Visual &
dimensional
examination
API 5L & As per
client specification
M01 Clause 5.3.1
PQT pipe
Pipe shall be examined visually for dimensional tolerance and
apparent surface defects As per clause 11.0 & 12.0 of this
MITPS
MPQT report
H
H
C.5
Chemical analysis
(Product-Base &
Weld)
API 5L PQT pipe (1
samples/ pipe)
All elements as per Annex. A of this MITPS for Base and as
per approved WPS for Weld MPQT report
H R
C.6 Mechanical tests
C.6.
1
Transverse Base
Tensile API 5L PQT pipe As per API 5L table 7 MPQT report H H
WELSPUN FORMAT NO QA/F/013
DOCUMENT NO MITPS/KSA/14-15/001
QUALITY ASSURANCE REV NO 01
DATE 29.01.2014
PAGE NO 18 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
C.6.
2
Transverse Weld
Tensile API 5L As per API 5L table 7 MPQT report H H
C.6.
3 Guided bend test API 5L PQT pipe
In accordance with clause no. 10.2.4.6, 10.2.3.6 & table 23 of
API 5L.
Acceptance as per Clause 9.7.1 of API 5L
MPQT report H H
C.6.
4
CVN Impact
Pipe Body, Weld
& HAZ
API 5L PQT pipe
CVN impact for base, weld and HAZ at Test Temperature,
Zero Degree C shall be done and the acceptance for full size
specimen shall be as per API 5L Table 8.
Additionally Transition curve shall be established by testing
at following Test temperatures, -40°C,-20°C, 0°C, 20°C &
60° C, for Each Location. The transition curve will be plotted.
This is for information only and no acceptance criterion is
stated.
MPQT report H H
C.6.
5
CVN Impact of
Skelp end welds
(Weld and HAZ)
API 5L PQT PIPE
Test temperature =0°C
Acceptance for full size specimen shall be :
As per API 5L table 8
Test Report H W
C.6.
6
Guided bend test
of
Strip end weld
(Root & face)
API 5L 1 set from skelp
In accordance with clause no. 10.2.4.6, 10.2.3.6 & table 23 of
API 5L.
Acceptance as per Clause 9.7.1 of API 5L
Mech. Test report
H W
C.6.
7
Transverse tensile
test (Strip end
weld)
API 5L 1 skelp end weld As per API 5L table 7
Mech. Test report H
W
WELSPUN FORMAT NO QA/F/013
DOCUMENT NO MITPS/KSA/14-15/001
QUALITY ASSURANCE REV NO 01
DATE 29.01.2014
PAGE NO 19 OF 19
DOCUMENT MANUFACTURING INSPECTION TESTING PROCEDURE SPECIFICATION
Sr.
No. Work Description
Ref. Standard /
Specification
Testing
Frequency Acceptance Criteria Documents
Inspection Stage WMEP TPI
C.6.
8
Macro graphic
examination of
Helical & Skelp
end welds
API 5L PQT pipe The alignment of internal and external seams shall be verified
as per figure d of API 5L MPQT report H W
LEGENDS: H- HOLD, W- WITNESS, M- MONITER, R- REVIEW, RW = RANDOM WITNESS, TPI-THIRD PARTY INSPECTION AGENCY, FDPT – FIRST DAY PRODUCTION TEST,WI-
WORK INSTRUCTION
ANNEXURE – A
ELEMENT MAX. % ALLOWED
ELEMENT MAX. % ALLOWED
Notes:
1) For each reduction of 0,01 % below the specified maximum for C,
an increase of 0,05 % above the specified maximum for Mn is
permissible, up to a maximum of 1,65 % for grades ≥ L245 or B, but
≤ L360 or X52
2) CE (Pcm)= C + Si/30 + (Mn+Cu+Cr) / 20 + Ni/60 +Mo/15+ V/10
+5B
3) CE (IIW)= C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15,
d) The sum of the niobium, vanadium and titanium concentration
shall be ≤ 0.15%.
X52M X52M
C 0.20 CE(IIW) 0.43%
Mn 1.40
Si 0.45
P 0.025
S 0.010
Cr 0.30
Cu 0.50
Mo 0.15
Ni 0.30
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