Common materials inspection and markings inspection
ASME A-106/A-106M
Markings verification
___ASME SA-106/SA-106M-2019 – Production Marking – Section 25
___ASME SA-530/SA-530M-2019 – production Marking – Section 24
(sample markings)
Each length of pipe shall be legibly marked with (eg.)
___The manufacturer’s name or brand: BCK.
___The specification number: ASME SA-106/SA-106M.
___Grade: B.
___Heat number: 3-35727.
___ASME SA-106/SA-106M – Table 4: NDE/2500 PSI.
___The length: 6000 MM.
___The OD: NPS 3″.
___The Schedule: SCH XXS.
___The weight: not applicable for NPS 3″.
___Supplementary: not applicable.
Note:
______This material do not cover welded pipe, see Section 1.1 of ASME SA-106/SA-106B.
______NPS 4″ and larger shall marked weight class.
______Production analysis shall be made on the representative two pipes from each lot, see Section 9.1 of ASME SA-106/SA-106M.
Dimensional and visual inspection
___Forming/dimension/masses: ASME B36.10M – 2018; ASME SA-530/SA-530M – Table X1
___Tolerance: ASMESA-530/SA-530M – Section 7, 8, 9, 10, 11, 12 – Table 1, 2, 3
Transfer markings
Guide to transfer markings information to a shorter length:
___Step 1: Verify MTC and pipe section are matched, dimensional / visual inspection for each pipe.
___Step 2: Transfer original markings to cut off length (unmarked cut length) by paint marker
___Step 3: Stamp “processor’s name or trademark, brand (for resale) on both pipe segment.
___Step 4: Shot photo of the original markings and new transfer identification for preparing a report, photo report should minimum show all production markings, processor’s identification, buyer name, date, signature, … and attachment the MTC.
___Step 5: Cut the shorter length for resale by processor.
Coded markings
___Coded marking: Pxxxx – Pipe.
___Die stamp may be stamped on the thickness with T>= 6mm for carbon steel and T>= 12 mm for stainless steel unless otherwise by supplementary requirements.
___Piping process fabrication may not required die stamp on the off-cut length.
End beveling preparations
___Accordance with the approved WPS.
___ASME B16.25 2017 – Fig. 1 through Fig. 6.
Storage pipe material
___Keep pipe material in dry area, keep away wet condition.
___All end pipes shall be protected by plastic covers.
ASME A-516/A-516M
Markings verification
ASME SA-20/SA-20M-2019 – Production Marking – Section 13. Plate shall be legibly marked with (eg.):
___The specification number: SA-516.
___The manufacturer’s name or brand: BCK.
___Grade: GR.70N.
___Heat number: 3-5642.
___Plate identifier: 111-1.
___Heat treatment: MT.
___Additional: length, client, dimension, LTV…
Eg. SA516 Grade 70 MT LTV Normalized:
___MT = material heat treated, see Section 20 of SA-20 2019.
___LTV = Supplementary S5 “Charpy V-Notch Impact Test”, see Supplementary Requirement S5 of SA-516 2019.
Code marking
___Code marking: Txxxx – Plate.
___Die stamp may be stamped on the thickness with T>= 6mm for carbon steel and T>= 12 mm for stainless steel unless otherwise by supplementary requirements.
Dimensional and visual inspection
Dimension/masses: ASME SA-20/20M – 2019 Section 14.
Transfer markings
Guide to transfer markings information to the off-cut pieces:
___Step 1: Verify MTC and original markings are matched, dimensional / visual inspection for each plate.
___Step 2: Transfer the original markings to the off-cut pieces (unmarked cut pieces) by paint marker
___Step 3: Stamp “processor’s name or trademark, brand (for resale) on both pieces, see Section 13.4 of SA-20/SA-20M.
___Step 4: Shot photo of the original markings and new transfer identification for preparing a report, photo report should minimum show all production markings, processor’s identification, buyer name, date, signature, … and attachment the MTC.
___Step 5: Cut the plates into aspect size for resale by processor.
ASME B16.5
Dimensional inspection: ASME B16.5 2017 – Section 6.
Tolerance: ASME B16.5 2017 – Section 7.
See Identification Marking to ASME B16.5 2017 for more detail
ASME B16.9
Dimensional inspection: ASME B16.9 2018 – Section 6 and Table 6.1.
Tolerance: ASME B16.9 2018 – Section 11 and Table 11-1.
ASME B16.11
Dimensional inspection: ASME B16.11 2016 – Section 6.
Tolerance: ASME B16.11 2016 – Section 7.
Bolting & gasket
ASME SA-193/SA-193M – 2019
___Marking SA-193/SA-193M – Section 15 and ASME SA-962/SA-962M Section 20.3; 20.8.
ASME SA-194/SA-194M – 2019
___Marking SA-194/SA-194M – Section 13 and ASME SA-962/SA-962M Section 20.4; 20.8.
ASME SA-307 – 2019
___Marking SA-307 – Section 13.
ASME SA-325 – 2019
___Marking SA-325 – Section 15.
ASME SA-563 – 2019
___Marking SA-563 – Section 14.
ASME B16.20 – 2017 Gasket RJ
___Marking ASME B16.20 2017 – Section RJ-4 and Table RJ-4.
___Dimensional inspection: ASME B16.20 2017 – Section RJ-5 and Table RJ-5.
___Identification number: ASME B16.20 2017 – Section RJ-7 and Table RJ-5.
ASME B16.20 – 2017 Gasket SW
___Marking ASME B16.20 2017 – Section SW-4 and Table SW-4.1.
___Dimensional inspection: ASME B16.20 2017 – Section SW-2 and Table SW-2.1.
___Color coding: ASME B16.20 2017 – Section SW-4.3 and Table SW-3-1.
See detail of Bolt And Nut Marking Identification and Gasket Identification – ASME B16.20 2017
Related questions:
___Tại sao kiểm tra vật tư kết hợp với chứng chỉ vật liệu?
___Gasket Identification – ASME B16.20 2017.
___Bolt And Nut Identification – Marking Identification ASME II A 2021
___Bolt torque calculation ASME PCC-1 2019.
___Identification Marking to ASME B16.5 2017
___ASTM A234 – Material inspection and review MTC
___ASTM A36 – Material inspection and review MTC
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