3 ~ 8% ferrite are required in the weld to prevent hot cracking
Feng Lu, Ph.D., NDE Level III
Metallurgy and Welding Engineer
Zachry Industrial, Inc.
3600 West Sam Houston Pkwy Southluf@zachrygroup.com
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From: materials-welding@
googlegroups.com [mailto:materials-welding@googlegroups.com ] On Behalf Of Kannayeram Gnanapandithan
Sent: Tuesday, April 10, 2018 5:56 AM
To: materials-welding <materials-welding@googlegroups.com >
Subject: [BULK]Re: [MW:27666] Stainless steel (SA 312 TP 316L) welding
what is the necessity for ferrite testing on 316L
THANKS & BEST REGARDS,
KG.PANDITHAN, BE, IWE, AWS-CWI, CSWIP 3.1,
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349
On Tue, Apr 10, 2018 at 4:16 PM, Perumal Govindan <perumalgovindan@gmail.com> wrote:
Hi Prasad,
Ferrite testing is required when it is mentioned in the Client / Project Welding / Construction Specification.
With Kind Regards
P Govindan
On Tue, Apr 10, 2018 at 11:24 AM, 'Shashank Vagal' via Materials & Welding <materials-welding@
googlegroups.com > wrote:NO
On Sunday, 8 April 2018 6:41 PM, Prasad Rode <purode333@gmail.com> wrote:
Dear sir,
I am going to do PQR for SA 312 TP 316L pipe to pipe of 6" and 7.11mm thickness.
I want to know that, i have to go for ferrite testing or not ?
If not, when it is essential to ferrite testing?
Regards
Prasad
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