Re: [MW:15094] Acceptance criteria for Tungsten Inclusion in RT

Dear Prem,

I think you just follow this.

1) 1st you measure your TI as Relevant or Non-Relevant indication. If
Non-Relevant then accept. If relevant (Sec VIII Div-1, Appendix
4-3)then follow the following:
2) Is is rounded or elongated/linear(Appendix 4-2). If rounded treat
as per Table 4-1. If Linear or Elongated you should UW-51.
I think i have explained.



On 8/14/12, prem nautiyal <prem_nautiyal26@yahoo.com> wrote:
>
> I found the acceptance criteria for tungsten inclusion which is a rounded
> indication in Mandatory appendix 4 of ASME Sec. VIII Div.1.
> I think Jatin didn't read my question properly as i had clearly mentioned
> that Construction code was Sec VIII Div.1
>
> Regards
>
> Prem Nautiyal
>
>
> --- On Mon, 8/13/12, Jean Staton <Jean.Staton@metco-ndt.com> wrote:
>
>
> From: Jean Staton <Jean.Staton@metco-ndt.com>
> Subject: RE: [MW:15084] Acceptance criteria for Tungsten Inclusion in RT
> To: "materials-welding@googlegroups.com"
> <materials-welding@googlegroups.com>
> Date: Monday, August 13, 2012, 6:06 PM
>
>
>
>
>
>
>
> Curious, first code reference was ASME VIII, DIV. 1 why did you reference
> ASME B 31.3? I am unable to see any reference in ASME VIII that tells me to
> reference B31.3. WHY would we go to a piping code when we are on a vessel
> code in the first place?
>
>
>
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of Jatin Dave
> Sent: Saturday, August 11, 2012 7:48 AM
> To: materials-welding@googlegroups.com
> Subject: Re: [MW:15064] Acceptance criteria for Tungsten Inclusion in RT
>
>
>
>
>
> Dear Prem,
>
>
>
> IN ASME B 31.3 Table No. 341.3.2 criteria are given
>
>
> F Slag inclusion, tungsten inclusion, or elongated indication
> Individual length ≤ T w /3
> Individual width ≤ 2.5 mm (3⁄32
> in.) and ≤ T w /3
> Cumulative length ≤ T w in any
> 12T w weld length
> G Slag inclusion, tungsten inclusion, or elongated indication
> Individual length ≤ 2T w
> Individual width ≤ 3 mm (1⁄8
> in.) and ≤ T w /2
> Cumulative length ≤ 4T w in
> any 150 mm (6 in.) weld length
>
>
>
> Please see Table
>
>
>
> Regards
>
> Jatin Dave
>
> 9099026886
>
>
>
>
>
>
>
>
> From: joydev dalai <joykolkata07@gmail.com>
> To: materials-welding@googlegroups.com
> Sent: Friday, 10 August 2012 10:51 AM
> Subject: Re: [MW:15053] Acceptance criteria for Tungsten Inclusion in RT
>
>
>
> Dear Prem,
>
>
>
> There is nothing cleared about tungsten inclusion, for better information
> please see in ASME sec.VIII Div.1 ,UW-51 paragraph
>
> On Thu, Aug 9, 2012 at 9:24 PM, prem nautiyal <prem_nautiyal26@yahoo.com>
> wrote:
>
>
>
>
>
> Dear Friends
>
>
>
> After reviewing a RT film of a Circ.seam joint (16mm thk), which has been
> welded with TIG + SMAW, i have observed a tungsten inclusion @2-3mm in dia.
>
> The construction code of the vessel is ASME Sec VIII Div.1
>
>
>
> No doubt this tungsten inclusion is a defect, but i would like to know
> whether there is any acceptance criteria related to diameter for the same in
> ASME Sec VIII Div.1. Please give Code reference.
>
>
>
> Regards
>
>
>
> Prem Nautiyal
>
> Cell: 9769316004
>
>
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Thanks & Regards
Biplab Pal
Mechanical Inspector (PMT)
YASREF Project

E-mail: biplab.mech@gmail.com

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