Saturday, July 2, 2011

[MW:11567] factors leading to PWHT of piping

Dear friends,

your kind advice is require on below issues.

  • What are the factors leading to PWHT of piping material, other than B31.3 PWHT requirement table ,

  • What kind of specific services requires PWHT mandatory. (like caustic is compulsory for certain temp., anything else).
  • Is it compulsory to PWHT of piping in chlorine service irrespective of thickness or P no. as per B31.3 table.


--
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:

Re: [MW:35289] Welding consumable for S355J2WP material

S355 J2 WP  is a weathering structural steel  It has better atmospheric corrosion resistance. Use E 8018 - W1/W2  Electrodes This is regular...