SA 387 GR 12 CL2, 65 THK. MDMT is -18 DEG CELCIUS how to make PQR for this thickness ? or how many PQR required for this thickness?
-- On Wed, Mar 14, 2012 at 2:31 PM, asad azmi <azmiasadayub@gmail.com> wrote:
--Dear All,Greetings.A vessel is being fabricated as per ASME SEC VIII DIV 1.Vessel material is SA 387 GR 12 CL2, 65 THK. MDMT is -18 DEG CELCIUS.Approved WPS is supported by 2 PQR detailed as below --PQR 1Test coupon thickness - 40 mm ,Welding process used - GTAW + SMAW + SAW ,Weld deposit by SMAW Process is 19 mm.Weld deposited by SMAW is impact tested at 0 deg celcius.PQR 2Test coupon thickness - 10 mm ,Welding process used - GTAW + SMAW ,Weld deposit by SMAW Process is 8 mm.Weld deposited by SMAW is impact tested at - 18 deg celcius.Whether PQR 2 can be used for SMAW Process to deposit 21 mm weld in a weld groove of 65 mm in depth .( for closing seam of shell to dished head & nozzle to dished head weld seam)Please advice. please give ASME SEC IX Reference.Thanks & RegardsAsad Azmi
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.
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