Monday, April 9, 2012

Re: [MW:14085] Impact test report of PTC

You have a better chance of using ER70S-6 ( in lieu of S-2), and if you can order an S-6 wire, which is tested at -50F, then yo could even exempt your vessel per UCS-76(a)(3) for 2011a Addenda (UCS-77(d)2 for 2010 Edition). I'm guessing you're doing the PTC not for thickness.
 


 
On Sun, Apr 8, 2012 at 1:48 AM, gil.loyola@yahoo.com <gil.loyola@yahoo.com> wrote:
SA333-6 is a LTCS and must use a filler metal with Ni content eg. ER-80S-Ni2.

Gil 

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Aly wrote:

Dear Shadab, salam
 
We have welded PTC with qualified wps with E70S2 @ minus 48deg C,
 
Test was carried out for weld,
 
Ali
 
 
-------Original Message-------
 
Date: 05/04/2012 09:44:27
Subject: Re: [MW:14064] Impact test report of PTC
 

Dear Ali,
The consumable for tig Filler metal ER70S2 is not suitable for impact test @-48 degrees.
Also want to know the heat input and location of charpy impact test.

Regards
Shadab

On Apr 5, 2012 7:50 AM, "Aly" <mhaskar.aly@gmail.com> wrote:
Low temp vessel PTC for head to shell c-seam; Head : Cap SA420WPL6, Pipe: SA333 Gr 6; Filler metal ER70S2+ E7018-1; GTAW+ SMAW process.
 
PTC used as filler metal is not SFA classified for low temp -48deg C
 
Impact test results: 18, 14, 12 Joules test piece size 10 x 7.5 x 55 @ -48deg C;
 
Average value required for 10x 7,5x55 is 15joule; single specimen 2/3 x 15: 10joule
 
Reference ASME SEC VIII Div-1 2011a UG 84 & UCS 67
 
Dear Expert,
Let me have your advice whether these results are acceptable.
 
Thanks
Aly
 

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