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[MW:15051] RE: 15049] Acceptance criteria for Tungsten Inclusion in RT

By Materials & Welding

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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