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  1. Arkaprava Ghosh

    Heat treatment of welded WPB fittings

    Dear all, A very good day to you. I have a confusion regarding heat treatment of welded WPB wrought fittings manufactured to BPV section II Part A: 2017. When welded wrought fittings of Grade WPB of nominal thickness > 19mm, are manufactured by welding of cold rolled two half plates/shells; is...
  2. Arkaprava Ghosh

    Welding of A217 C12A cast steel to A 335 Grade 91?

    Metengr , Thank you very much.
  3. Arkaprava Ghosh

    Welding of A217 C12A cast steel to A 335 Grade 91?

    Is Welding of A217 c12A cast to A335 Grade P91 possible? What consumbales shall be used? What other critical factors shall be kept in mind while developing WPS?
  4. Arkaprava Ghosh

    Welding of A217 c12A cast to A335 Grade P91

    Is Welding of A217 c12A cast to A335 Grade P91 possible? What consumbales shall be used? What other critical factors shall be kept in mind while developing WPS?
  5. Arkaprava Ghosh

    Consumables for code case 2864 pipes

    What consumables shall be used for welding of Code case 2864 material?
  6. Arkaprava Ghosh

    Volumetric Examination requirement for ASME Section I

    Thanks metengr for the reply. However, PG 11.3 applies to pressure parts such as pipe fittings, valves, flanges, nozzles, welding caps, manhole frames and covers, and pump casings that are a part of the boiler circulating system, that comply with an ASME product standard. Does PG-11.3 cover...
  7. Arkaprava Ghosh

    Volumetric Examination requirement for ASME Section I

    Table PW-11 as per ASME Sec I: 2017, states that all longitudinal welds are to be volumetrically examined throughout their entire length. Now. Considering the case of ASME SA 312 welded pipes (welded without addition of filler metal), ASME sec II part A: 2017 does not mandate volumetric...
  8. Arkaprava Ghosh

    Volumetric Examination of Longitudinal welds as per PW-11

    Table PW-11 as per ASME Sec I: 2017, states that all longitudinal welds are to be volumetrically examined throughout their entire length. Now. Considering the case of ASME SA 312 welded pipes (welded without addition of filler metal), ASME sec II part A: 2017 does not mandate volumetric...
  9. Arkaprava Ghosh

    Mill Cert vs PMI

    EN 10204 3.1 mill certificate is generally required for all components. It states that the QC department of manufacturer should certify the material, which is basically present is most ISO 9001 certified organizations. PMI cannot replace a 3.1 certification, since PMI is only considered as a...
  10. Arkaprava Ghosh

    Hydrostatic Test

    A hydrostatic test or a leak test is mandatory as per 345.1 to ensure tightness of the piping system. Prior to initial operation, and after completion of the applicable examinations required by para. 341, [highlight #FCE94F]each piping system shall be tested to ensure tightness[/highlight]
  11. Arkaprava Ghosh

    SA 182-Hollow forgings

    metengr sir, Does this include flanges, weldolets and sockolets?
  12. Arkaprava Ghosh

    SA 182-Hollow forgings

    What is meant by "hollow forgings" as stated in clause 13 of ASME SA 182? Does it refer to weldolets, flanges, forged couplings etc?
  13. Arkaprava Ghosh

    ASTM A105 vs ASME SA105 AND OTHER MATERIALS

    All the three codes, refer to ASME section II PArt C , wherein it is specified that substitute of ASTM materials can be done. Refer Mandatory Appendix-II of ASME sec II PArt A.
  14. Arkaprava Ghosh

    ASTM A 860 WPHY 52

    Why is ASTM A 860 specified as low alloy steel butt weld fittings, even when the chemical composition is similar to A 234 Gr WPB carbon steel fittings and categorised as P number 1 by ASME sec IX QW 422?
  15. Arkaprava Ghosh

    ASME section II part A

    Thanks metengr, but still, welding processes should have no effect on the thickness tolerances.
  16. Arkaprava Ghosh

    ASME section II part A

    Hi all, I have a query regarding thickness tolerance on SA-312 and SA-358 welded pipes. For SA-312 welded pipes, the under tolerance on thickness is 12.5% of nominal wall thickness and for SA-358 welded pipes the under tolerance thickness is 0.3mm. Now, as I understand the raw material is the...
  17. Arkaprava Ghosh

    ASME SEC II PART B

    metengr, Thankyou so much
  18. Arkaprava Ghosh

    ASME SEC II PART B

    metengr, Yes, this is about the starting material. My doubt is, is it prohibited by ASME sec II part A mandatory Appendix II, provided the client specification is silent about edition of raw material to be used.
  19. Arkaprava Ghosh

    ASME SEC II PART B

    Can a raw material certified to an ASTM edition not included in ASME sec II B mandatory appendix II be used to certify finished product to ASME specification. For e.g Can ASTM SB 425 2010 edition be used to prepare ASME SB 564 2015 edition?
  20. Arkaprava Ghosh

    ASTM E213

    Is ASTM E213 applicable for both manual as well as auto UT methods?

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