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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