These vessels are designed to ASME Sec VIII Div 1, but not code stamped.
Regards,
Regards,
Vinod Bhatt
Sent from my iPhone
Dear Sir,I stated that, the vessels are mix of stainless steel - SS316 and carbon steel - SA 516 Gr 70, handling compressed natural gas.We require to add small gussets, to stiffen small bore (below 50 mm) nozzles for drain & vent, as some of these failed due to vibration.
Regards,Vinod BhattSent from my iPhonewhat is MOC, code of construction, type of repair, service? pl provide detailed info...--temper bead might be an alternativeOn 24 September 2016 at 23:49, <vnbhatt@gmail.com> wrote:Respected members,
One of site has non PWHT carbon steel and stainless steel pressure vessels. As they are undergoing some repair, overseas engineer suggested PWHT on repaired portion for relieving the stress and to deal with HAZ.
Doing local PWHT imposed a question that during manufacturing the WPS PQR and the welding electrode employed was okay for non PWHT job. Doing the local PWHT would necessitate revised WPS PQR and the electrode this can't be done as circ. seam is covering portion of repair. Thus we are in dilemma as to what is the way out.
Being week off I request welding and code expert to suggest their opinion.
Thank you all.
Kind Regards,
Vinod Bhatt
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
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.
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