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  1. EngrRodri

    carbon manganese or non carbon managenese material - ungroup as per ASME SEC 9

    Thank you for feed back. Because I will do PWHT for A707 cl3 l5 . 23 mm thick Material, however in applicable code B31.8 it does not require PWHT. we had done twice our PQR however still the hardness fails. so my solution is to have PWHT. I ask C-Mn because in B31,8 it only tells C-Mn material...
  2. EngrRodri

    carbon manganese or non carbon managenese material - ungroup as per ASME SEC 9

    Dear Experts, Please help. why does the ASME SEC 9, in there material list with correspond to P-no (parent number) & group Number, that some materials are not listed. what is the reason why does those material are not included in ASME SEC 9 QW-422 In my case.. Im using ASTM A707 it is not...
  3. EngrRodri

    ungroup material in asme sec 9

    Dear Experts, Please help. why does the ASME SEC 9, in there material list with correspond to P-no (parent number) & group Number, that some materials are not listed. what is the reason why does those material are not included in ASME SEC 9 QW-422 In my case.. Im using ASTM A707 it is not...
  4. EngrRodri

    How can I get back to the Technical World?

    you can also try to work in construction for oil and gas projects, Which you can able to learn a lot..different fields etc...
  5. EngrRodri

    Career advise

    Hello all Need your career advise. I'm a licensed Mechanical Engineer from Philippines an Asia third world country, For 8 years I have been work in Middle east for Different Oil & Gas construction project as a Quality Inspector for Mechanical, Piping & Welding. I had also other certification...
  6. EngrRodri

    Career advise

    Please inform which forum makes advise to careers of individual which wants to take step up in degree or want salary up
  7. EngrRodri

    WPQT PWHT requirements

    please also noted that the purpose of WQT is verify the welders ability to do welding or soundness welding.... making PWHT is verify the PROCEDURE weldability which different from WPQT
  8. EngrRodri

    different welder approval body

    Thank you matengr...
  9. EngrRodri

    different welder approval body

    Mates Our project uses 2 code in WPS which qualified to ASME SEC9(for Piping) & AWS D1.1(for Structural) My question is if welder is only qualified in AWS D1.1 for 3G position, can he do welding for ASME SEC9 Same 3G position & parameters (Dia, procecess,Thickness,F6 & Pno.) or vice versa...
  10. EngrRodri

    pre heat

    Thank you mates.. @ gtaw (Structural) in AWS D1.1 TABLE X1-2 & X1-1 only the CE is up to .38, however the still it lack because my CE value is 0.46 @ weldstan (Materials my smaw will be E7018-1H4R @ metengr (Materials Because most of new materials encounter in this project they used is non...
  11. EngrRodri

    pre heat

    Mates. Good day1 Please inquire how to calculate pre-heat temperature using only CE value regardless of thickness. Any references in ASME can be use as guide or other particular book. Thankyou
  12. EngrRodri

    PQR FAILED

    weldstan (Materials) That is the hardest part because of client standard procedure to make separate qualification for GTAW & SMAW if the Thickness of test coupon is more than 10 mm
  13. EngrRodri

    Socket Fillet Weld

    4.29 mm weld throat is too much for 5.56 mm nominal wall thickness.... please consider that it is fillet weld... thus 4.29 mm is impossible to achieved. as experienced .. please make 3 pass for welding of fillet.... the weld throat for that is sufficient to withstand that pressure.. remember in...
  14. EngrRodri

    air trap and steam trap

    in my opinion, you can use float trap because the concepts with steam and air is same... just make sure the financial cost imapacts in company.. or the availability of material.
  15. EngrRodri

    requirement torque for bolt tighting

    bolt tighting torque value will depends on size of bolt & nuts your using regardless of hot or cold condition... manufacturer has its value on data sheet or else you can refer to client specification..
  16. EngrRodri

    pwht of non listed group number of material in asme sec 9

    Thank you mates
  17. EngrRodri

    PQR FAILED

    Metengr.... the harndness VHN shall be below 250VHN however the test had exceeded to 280 for value HAZ. I only used ER70S-2 Because the design temp is -18 only and i had experience passing it using x60 and same filler wire. however because as client procedure than more than 10mm shall have...
  18. EngrRodri

    pwht of non listed group number of material in asme sec 9

    Dear, Please ask how to check the temperature range of PWHT if material is non listed in ASME sec 9 grouping of metals. Thank you
  19. EngrRodri

    PQR FAILED

    Mates, Please help. My PQR done was failed in hardness and impact test. Details was API-X60 Pipe(P1,Gr2)-16 inch Dia, 23mm Thick Flange - A707 CL3 L5,(Not included in ASME sec 9 material grouping),16 inch Dia, 23mm Thick GTAW-ER70S-2 -ROOT PASS & HOT PASS SMAW-E7018-FILLING & CAP CODE B31.8 NO...
  20. EngrRodri

    CJP OR PJP ??

    Please check aws d1.1,.. 3.3,3.4... fig4.27......4.12.4.1.....Figure 3.5 and table 2.4

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