Dear Hemal,
Can you say why?
What is stopping you welding the LTCS material with X 42?
Thanks and Best Regards,
K.Rajagopal
On Sat, Apr 20, 2013 at 2:56 PM, Chauhan Hemal <hemal_mech1@yahoo.co.in> wrote:
Dear raghuramji,we cant weld A350 LF/2 material with API 5l x42 by using E-7018-1 only.you cant weld LTCS material with E-7018 and you cant use E-7018-1 in place of E-7018 as perQW-404.12(e)
Regards,hemal chauhanEngineers india limited.
From: Raghuram Bathula <raghurambathula@gmail.com>Sent: Friday, 19 April 2013 6:39 PM
To: Materials-Welding <materials-welding@googlegroups.com>
Subject: Re: [MW:17473] WPS for A350 LF/2 forged flange
Ezat Adel question is to use LF2 in place of A105 for normal use (not for low temp). why you would like to suggest low temp consumables?--
On Fri, Apr 19, 2013 at 5:51 PM, Chauhan Hemal <hemal_mech1@yahoo.co.in> wrote:
Dear raghuramji,A350 LF/2 is LTCS material and WPS you have is CS to CS(A 105 N to API 5l x42) with full SLAW process (E-6010+E-7018),and if you want to weld CS to LTCS (A350 LF/2 to API 5l x42) it will be dissimilar metals,and if you want to use full SMAW process then you should have to compulsorily go for E-7018-1 and ER80Sni-1 for full GTAW.In both cases electrodes/fillerwire should be impact tested before use.and also A350 LF/2 to API 5l x42 both has different group no,in both SMAW and GTAW processs group no. supplimentary essential variable.so you cant weld that both metals by your WPS CS to CS(A 105 N to API 5l x42).you should have to establish new WPS.Thanks & Regards,hemal chauhanEngineers india limited.
From: Raghuram Bathula <raghurambathula@gmail.com>
To: Materials-Welding <materials-welding@googlegroups.com>
Sent: Thursday, 18 April 2013 11:52 AM
Subject: Re: [MW:17460] WPS for A350 LF/2 forged flange
yes, you canOn Wed, Apr 17, 2013 at 7:10 PM, Ezat Adel <ezatadel2008@gmail.com> wrote:
Dear Expert ,Could you give me your opinion about my supplier send me A350 LF/2 forged flange instead of A 105 N forged flange and i have a WPS for welding A 105 N to API 5l x42 in your opinion this wps will covered A350 LF/2 to API 5l x42 ?as i know A350 LF/2 is a low temp.carbon steel and A 105 N is a carbon steel and both material has the same P no.,Group no. and in my activities i do not need to use a low temp. CS but my question if i accept this flanges the wps i have will covered the case.the WPS i have is E6010 for root pass and E7018 for filling and capThanks in advance
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