WPS / PQR for ASTM A 335 - P91 Welding - CR4 Discussion Thread

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jana_subrata Associate Join Date: Jan 2009 Posts: 25	WPS / PQR for ASTM A 335 - P91 Welding 12/16/2009 4:35 AM
	Can anyone give me any guideline or SAMPLE WPS/PQR for ASTM A 335- P91 welding ??Welding process : GTAW/SMAW, JOINT DESIGN : SINGLE 'V'( FOR PIPE)/ Double 'V'(Plate). P91 is a ferritic alloy steel with 9 Cr, 1 Mo and same grades with V. Its for ASME SA 335 Grade Seamless Pipe Welding . Regards
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TPLA1 Participant Join Date: Dec 2009 Posts: 1	#1 Re: WPS / PQR for ASTM A 335 - P91 Welding 12/20/2009 6:37 AM
	visit Eng-tips forum www.eng-tips.com and search for P91 http://www.eng-tips.com/search.cfm?searchstring=P91&action=search Regards. TP/ HLO/Netherlands
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4u Active Contributor Join Date: Jun 2017 Posts: 15	#2 Re: WPS / PQR for ASTM A 335 - P91 Welding 07/05/2017 8:37 AM
	Follow EPRI guidelines regarding SA 335 P91 welding.
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