Stress Relieving

[kenwk]

Is there a rule in regards to stress relieving welds in caustic storage tanks at certain temperatures and concentrations?
I have a vessel with 50% sodium hydroxide and a temperature of 110 F. Would we need to consider stress relief at those?

 

[metengr]

Yes. Look here

http://dow-gco.custhelp.com/cgi-bin...p_faqid=2515&p_created=1102618032&p_topview=1