--Yes,
you may use 309 grade, in order to avoid hot cracking because of low FN.
If your P11 pipe has to undergo PWHT because of thickness, then you have to butter the P11 with 309, perform the PWHT and then weld it to the 316 using again the 309 filler metal.
This will help you to avoid sensitization of 316.
However, the buttered area has to undergo a corrosion test if the pipe is for wet service and clorines may be present.
For buttering you may need a specific WPS qualification (see ASME IX QW-283)
best regards
Dr. Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector
I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)Ganesh Mahankal ---20/03/2014 00:57:47--- Dear All ,
From: Ganesh Mahankal <mahankalga@gmail.com>
To: materials-welding@googlegroups.com
Date: 20/03/2014 00:57
Subject: [MW:20383] Is P11 to Satainless Steel(304L or 316L) welding possible?
Sent by: materials-welding@googlegroups.com
Dear All ,
Is P11 to Stainless Steel(304L or 316L) welding possible?
If yes then plz mention by which welding consumables?
Best Regards,
Ganesh Mahankal
+91 9970357971
ganeshmahankal@yahoo.co.in
Alfa Laval India Ltd.Pune India
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