for my understanding of rt with socket welds especially in high temp
service is to ensure that the gap is there so the material is allowed
in termal expansions to avoid pushing the fillet weld during in
service condition.
thanks,
marcelo p soriano
qa/qc engineer
On Nov 30, 7:52 pm, Jignesh Desai <jignesh.desai....@gmail.com> wrote:
> Few days ago i came across *UOP specification 8-11-12-Piping*, which asked
> radiography of socket / branch welds for low alloy steel/SS. If somebody has
> done project with UOP in past, pl share their experience.
>
> *Also i read one very old B 31.3 Interpretation: 5-13 for the radiography of
> socket welds as below...*
> *
> *
> *Subject:ANSI/ASME 831.3-1984 Edition, With the ANSI/ASME 831.3a-1984
> Addenda, Table 327.4.1A, Limitations on Imperfections in Welds-Internal
> Porosity *
> *Date Issued: December 2, 1986*
> *
> *
> *Question (1): In ANSI/ASME 831.3, Table 327.4.1 A, under internal porosity
> forfillet, socket, seal and reinforcement attachment welds, the wording NA
> (not applicable) is indicated. Does this mean that radiographic examination
> is not required for this type of joint configuration?*
> *
> *
> *Reply (1): Yes.*
>
> In my opinion, RT of SW is only performed to detect the gap between two
> components, also in past during some corossion isometric study, we have
> assigned TML (thikness monitoring location) to carry out RT of SW/BW to
> confirm the correctness of welded heavy schedule components.
>
> Can any one write few words about the technical feasibility and
> effectiveness of final result to confirm the soundness of SW/Branch weld by
> RT/UT with code back up? If somebody have any digital RT film of SW joint pl
> share.
>
> Best Regds
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
No comments:
Post a Comment