PMI Test Procedure
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Transcript of PMI Test Procedure
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POSITIVE MATERIAL
IDENTIFICATION
PROCEDURE
Issued By : Kumaran QA
Approved By : Bernard Wong Managing Director
Date 18th Oct 2011 18th Oct 2011
Version 1.0
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PANAFLO CONTROLS PTE LTD
POSITIVE MATERIAL IDENTIFICATION PROCEDURE
DOC. NO PFC-QA-PMI-01
REVISION 01
Page 2 of 5
CONTENTS
SECTION DESCRIPTION
1.0 SCOPE
2.0 EQUIPMENT USED
3.0 REFERENCES
4.0 EXTENT OF ALLOY VERIFICATION
5.0 DETECTIVITY
6.0 SURFACE PREPARATION
7.0 EXAMINATION AREA
8.0 CONFIGURATION & CALIBRATION
9.0 TAKING MEASUREMENT
10.0 CHECKING RESULTS
11.0 REPORTS / VERIFICATION
12.0 ACCEPTANCE CRITERIA
13.0 NON-MATCHING
14.0 ENVIRONMENTAL CONDITIONS
15.0 REPORT FORMAT
GENERAL NOTES:
1. This procedure is applied on the raw material & fabricated piping spools or other
fabricated material to meet the requirements of ASME SECTION II 2010 edition or
client procedure.
2. Personnel operating the test instrument shall be registered with the Radiation
Protection Inspectorate and fully conversant with NITON XLp 800 of XL3p800,
X-Ray Fluorescence Analyzer’s Operation Manual.
3. Caution: When the instrument is in the operation mode, the radiation level at Probe
Plastic –Film Window is about 0.1 mRihr. However, confinement of the Testing area will
not be Necessary.
4. Film Badge or Pocket Dosimeter shall be used for PIVII Technician when doing test.
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PANAFLO CONTROLS PTE LTD
POSITIVE MATERIAL IDENTIFICATION PROCEDURE
DOC. NO PFC-QA-PMI-01
REVISION 01
Page 3 of 5
1. Scope
This procedure covers the requirements for Positive Material Identification to determine the
material to be tested, complies with that specified in the drawings or mill certificates or Client
procedures
2. EQUIPMENT USED
2.1 NITON XLt 898 or XL3p-800 X-ray Spectrum Analyzer
2.2 AM 241 Isotope 30mCi & X-Ray tube (Battery Operated)
3. REFERENCES
3.1 NITON XLt 898 or XL3p 800 User’s Guide 3.2 ASTM E 1476
3.2 ASTM E 1476Metallurgist Pro Alloy Data
3.3 API Recommended Practice 578 (2nd Edition 2010)
3.4 Metallurgist Pro Alloy Data
3.5 Client Specification
4. EXTENT OF ALLOY VERIFICATION
4.1 The location of alloy verification to be canied out shall be in accordance to client
requirements/specifications.
4.2 Location of alloy verification to be tested are restricted by the accessibility of test items for the
alloy analyzer to be replaced.
5. DETECTIVITY
5.1 The instrument provides fast and efficient measurement of the elements of atomic munber 22
and above
6. SURFACE PREPARATION
6.1 The test surface to be measured shall be free from surface irregularities, paint, loose scale or
any contaminant that might interfere with the examination.
6.2 Such surface conditioning can be achieved by power brushing, shot blasting or any approved
methods.
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PANAFLO CONTROLS PTE LTD
POSITIVE MATERIAL IDENTIFICATION PROCEDURE
DOC. NO PFC-QA-PMI-01
REVISION 01
Page 4 of 5
7. EXAMINATION AREA
7.1 The examining area of the metal surface to be prepared for measurement shall be at least
30min in diameter.
8. CONFIGURATION & CALIBRATION
8.1 On initial switching on of the instrument, it will undergo configuration process of approximately
thirty (30) minutes.
8.2 Following which the screen will indicate the test mode, later than the instrument is calibrated
using the known sample.
8.3 If the composition is not very near to 100% the test is repeated & once the sample is
confirmed, tests are done similarly on the material to be analyzed.
9. TAKING MEASUREMENT
9.1 Take the window where the radiation is emitted shall be placed, flushed against the surface of
the prepared spot.
9.2 Held in the position, the instrument will be turned on in operation mode by triggering the lock
and hold
9.3 Measurement is accomplished within thirty (30) seconds.
10. CHECKING RESULTS
10.1 Results shall be compared against mill certificates of the pipe manufacturers, while the
electrode / filler rod manufacturer or the identified material grade from the supporting spool
drawing.
10.2 Upon completion of all positive material identification, the area being tested shall be marked
with "PMIV" with a low stress stamp, if the client specifically requests.
11. REPORTS / VERIFICATION
11.1 The spool drawings of all items tested shall be stamped "Alloy Verified" signed and dated by
the Inspector who performed the testing, if requested by the client.
11.2 A report containing all readings taken and also be generated as per clients request
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PANAFLO CONTROLS PTE LTD
POSITIVE MATERIAL IDENTIFICATION PROCEDURE
DOC. NO PFC-QA-PMI-01
REVISION 01
Page 5 of 5
11.3 The report shall contain major elements and composition shall be within limits as specified in
standards or client specification.
12. ACCEPTANCE CRITERIA
12.1 The acceptance criteria shall be in accordance with ASIVIE Section II or ASTM
Specifications.
13. NON-MATCHING
13.1 Disparity on any fittings, pipe piece or weld shall be re-verified by taking an additional
measurement.
13.2 Upon confirmation of nonconforming material, the item shall be marked "R" and reported to
client's representative.
13.3 Non-conforming material is recommended for replacement or repairs, followed by retest.
14. ENVIRONMENTAL CONDITIONS
14.1 The location where the "PIVII" to be canied out shall be flee from noise / vibration and
temperature should not be more than 50° Celsius.