Does SA 516 Plates Need PWHT

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Tornado Guru Join Date: May 2009 Location: Richland, WA, USA Posts: 21017 Good Answers: 795	#1 Re: Does SA 516 Plates Need PWHT 06/25/2010 2:30 AM
	It depends on how thick they are, and on local code requirements. These may vary, but up to about 1.5 inches (38 mm), usually no; more than that, usually yes. __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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ashfaqanwer Commentator Join Date: Apr 2010 Posts: 66 Good Answers: 1	#2 Re: Does SA 516 Plates Need PWHT 06/29/2010 10:23 AM
	As per ASME you must see UCS-56 for PWHT requirement. SA 516 falls in P.No. 1 material group and may only be post weld heat treated when the thickness exceeds 38 mm as mentioned in the earlier reply of fellow user. Regards, Ashfaq Anwer http://thepetrostreet.com
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