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 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
There is nothing cleared about tungsten inclusion, for better information please see in ASME sec.VIII Div.1 ,UW-51 paragraph 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. | --
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