thread177-29735: ASTM A-212-B Firebox vs. ASTM SA515 and SA516 I would appreciate any info. I can get on means and methods for post weld heat stress of A 212-B Carbon Steel 1962 Vessel. Vessel was use for Amine service and is now going to sour water with same design pressure of 390 PSI,although operating pressure will be only about 60 PSI. Heat the entire vessel,certain sections at one time? Or only certain welds in groups? NDE crew wants to of course heat entire vessel. Please advise. Vessel has many full pen welds with tig process and galvanized steel platform welded on top.Carbon content 31%. Would a charpy v-notch test help decide issue? Meeting tomorrow. Need something to bring to the table. Literaly.
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