On Wed, Sep 30, 2015 at 12:22 PM, Ajay <donsaab3@gmail.com> wrote:
Dear Salman Sir,please note that being working professionally there is no space for such things like """ ask yourself '"" . You, me and all works/follows written guidelines.sometimes its very difficult to make a contractor understand the statement without having any documented proof. So, I put the question in this forum for seeking expert comment.No doubt, I have received many valuable feedback from experts around the world.I really thankful to you for your feedback as well.regards,Ajay Kumar KadyanEILTo view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAM6T1-HRC1CwcAhohojf1s1haomxbwo2CxMMHnF9_ekw4aDuUA%40mail.gmail.com.--On Wed, Sep 30, 2015 at 9:47 AM, salman cader <salman96996@gmail.com> wrote:The reason for pwht is to get rid of hydrogen cracking.......ask yourself.....is hydrogen cracking a planar defect or a volumner defect.....if its planar then you can do a rt before pwht but if the defects in hydrogen cracking is volumner too then you cant do a pwht.....
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAHJeEXG9sh5EukDknY3Vagj%3DuowWHBFoEMbyud2Wp0x1fTOZ5g%40mail.gmail.com.On 30 Sep 2015 13:10, "Himan Nikdin" <himan.nikdin@outlook.com> wrote:----Hi Everybody
"For P-Nos. 3, 4, and 5 materials, examination shall be performed after completion of any heat treatment" this phrase is from ANSI B31.3 para 341.3(a) Examination Requirements.
Regards,
H.Nikdin
To: materials-welding@googlegroups.com
Date: Tue, 29 Sep 2015 07:29:37 +0200
From: george.dilintas@gr.bureauveritas.com
Subject: Re: [MW:23580] Regarding RT before or after PWHT
As a rule NDT has to be performed after all fabrication steps including PWHT. Some codes allow exceptionsSent from my BlackBerry 10 smartphone.
From: AjaySent: Τρίτη, 29 Σεπτεμβρίου 2015 - 07:37Reply To: materials-welding@googlegroups.comSubject: [MW:23575] Regarding RT before or after PWHTThis message contains confidential information. To know more, please click on the following link: http://disclaimer.bureauveritas.comDear Sir,As we all aware that PWHT and RT both are different in nature, in general we perform RT after PWHT(Where PWHT is required to be perform after welding).However it is not written anywhere that RT is to be performed after PWHT only.My question now is , can we perform RT first and then go for PWHT? will it be acceptable ????.I have seen many client inspectors asked contractors to perform PWHT first then RT whereas their specifications does not say anything in this regard.All experts are requested to throw light on the subject. Documented proof/literature , if any, to support this will be higly appreciable.regards,Ajay
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Hareesh K V
+91-9447625012
Hareesh K V
+91-9447625012
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