CR4 - Thread: Can We Use LTCS (P1 Through P11 Materials) Welders for SS (P8 Materials)?

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Nadeem.Ahmed Participant Join Date: Jul 2011 Posts: 1	Can We Use LTCS (P1 Through P11 Materials) Welders for SS (P8 Materials)? 07/29/2011 9:19 AM
	Dear sir, A welder qualified in LTCS(P1 through P11) for the following parameters; Pipe Diameter range :1'' and above & thickness is 10.8mm Maximum Position : All for GTAW Process and for F number is 6 & A number is 8. Can we use this welder for SS welding of A312 TP304L pipes for F6 & A number 8 & the Pipe diameter is 1'' above for the wall thickness 7.11 mm. Position: All for GTAW Process. Waiting for your reply.
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Tornado Guru Join Date: May 2009 Location: Ketchikan, AK, USA Posts: 12934 Good Answers: 463	#1 Re: Can we use LTCS(P1 though P11 materials) welders for SS(P8 materials)? 07/31/2011 2:16 AM
	This may depend on local welding qualification requirements. My experience is limited, but from what I have seen, separate P groups need to have separate qualification tests. However, if your process is GTAW in all cases, then conceivably your local standards would allow for qualification in some P groups to be accepted for other P groups. I apologize that this is only a speculative answer. Please review the regulations in your jurisdiction. __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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