but in actual service situation is different so i would like to know As per which clause E 6010 selected for LTCS ?
regards
Bharat B. Gole
Date: Tue, 29 Sep 2009 10:16:04 +0400
Subject: [MW:3358] Re: Heat Input
From: ibratech@gmail.com
To: materials-welding@googlegroups.com
E6010 will support up to -29 degree celcius only and used in pipe line root application. But if the PQR passes the impact you can use it with batch restriction.
regards,
Ibrahim
2009/9/29 BHARAT GOLE <bharatgole@hotmail.com>
E 7018-1 is acceptable up to -46 degree but selection E 6010 is not suitable for LTCS ! As per which clause it is selected for LTCS ?
Regards
Bharat B. Gole
Date: Tue, 29 Sep 2009 09:49:23 +0530
From: nach_sam@yahoo.com
Subject: [MW:3354] Re: Heat Input
To: materials-welding@googlegroups.com
Adi, Heat input is a guideline for subsequent welding. The yardstick is the average value as obtained from your PQR. Your production welding should not exceed PQR HI values.By the way, is 6010, 7018-1 Ok for LTCS? What is the working temp?Shashank Vagal
--- On Tue, 29/9/09, Adi <adinraos@gmail.com> wrote:
From: Adi <adinraos@gmail.com>
Subject: [MW:3352] Heat Input
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Tuesday, 29 September, 2009, 9:35 AM
I have done the PQR for LTCS by using 6010 & 7018-1 as per ASME SEC IX
some time i got 5KJ heat in put
What is the limitation for heat input and where it is mention?
Adi
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