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Recent content by MrPSK

  1. MrPSK

    ISO 15590-2 Equivalent API / ASTM Material Grade

    Hi all, I have a clarification regarding the material grade. In our Project Specification the material grade is given as ISO 15590-2 for Tee & Elbow. I want the equivalent material grade in API or ASTM (For Pipeline Section). can any one guide me in this how to identify the equivalent material...
  2. MrPSK

    Checking the cleanness of tube of shell&tube heat exchanger

    Hopefully you resolved the issue i think as you posted this question on Feb-2021. As per your question understood that it is Straight tube (Not an U-Tube), so better u can go for Hydro-Jet cleaning. Also if you need to ensure the integrity of tubes u can choose either Eddy Current or IRIS...
  3. MrPSK

    Crack immediate welding

    Dear Guys[2thumbsup], Thank you for your valuable feedback and suggestions. Finally it has been resolved by entirely cut and re-welded.[medal] Reason: It is evidenced that due to the Internal Corrosion there is significant Metal Loss (From the Fig, Weld Starting & Ending Point were with higher...
  4. MrPSK

    Allowable stress value of A105

    What is your Question? 1. Do you want to calculate? or 2. Do you need the value?
  5. MrPSK

    Checking the cleanness of tube of shell&tube heat exchanger

    For what purpose you are Looking for cleanliness of tube?. Is there any issue during service or due to maintenance activity?
  6. MrPSK

    Ring Joint flange - Ultrasonic testing of RJ groove face

    Try it with Dye Penetrant testing or with Wet MPI (If Possible).
  7. MrPSK

    Crack immediate welding

    Thank You for all for your valuable suggestions and feedback.
  8. MrPSK

    Crack immediate welding

    Dear MintJulep Service that the pipe carries is Aquifer Water. I agree with you, i also thought of Solidification crack due to its centreline and its appearance.
  9. MrPSK

    Welder Qualification

    Dears, I have a small query. If a welder is qualified in API 5L Gr.B does he can able to weld for API Gr.60 & API Gr.65 Materials. Is there any restriction due to Filler Metals.
  10. MrPSK

    Crack immediate welding

    Dear MintJulep Inside of the Pipe is Orifice type set up.
  11. MrPSK

    Crack immediate welding

    Dear kingnero, Actually this is app 250mm length spool and the constraint was its Orifice type spool, so this the reason u can see more welds in that pipe spool. Weld was on welding table only. Also another constraint was due the Name plate (u can see in the pic) was in the other side of weld...
  12. MrPSK

    Crack immediate welding

    Dears, I have a query, Background: During service 1" Line found leak, so we stopped the line and removed the spool to W/S to attend the repair. Due to constraint we cannot fully cut and re-weld the joint, so planned to do weld on leaked section. During the welding it is noticed after done...
  13. MrPSK

    WQT per ASME Sec IX

    Yes 1/2 was welded by each welder. By the way thanks for your valuable comments. As per evaluation they both are not accepted.
  14. MrPSK

    WQT per ASME Sec IX

    Dear Experts, I need some clarification regarding Dual welder qualification. In WQT 14"Dia pipe 2 welders were performed welding, after the completion of welding one welder was rejected due to IP and the other was accepted, same test piece was RT done and the result same. Now my clarification...
  15. MrPSK

    API 510 Questions

    Thank u friends, for your guidance
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