It is considered a rounded indication and is addressed in Mandatory Appendix 4, Rounded Indications Charts Acceptance Standard for Radiographically Determined Rounded Indications in Welds.
Paragraph 4.2 Terminology
(a) Rounded Indications . . . The indication may be from any imperfection in the weld, such as porosity, slag, or tungsten.”
John A. Henning
Welding & Materials
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of prem nautiyal
Sent: Thursday, August 09, 2012 10:54 AM
To: materials-welding@googlegroups.com
Subject: [MW:15049] Acceptance criteria for Tungsten Inclusion in RT
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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