UT is possible thk up to 8mm to above as per ABS NDT Guide.
March 4, 2012
Dear Lakshman Kumar,
UT is very normal for HSAW and LSAW pipe weld testing from 6.4 mm WT up to 31 mm WT. Specification for Line Pipe ISO 3183:2007 / API 5L 44th edition make use of UT even for lesser than 12 mm WT.
Thanks.
PJA
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Lakshman Kumar.B
Sent: Sunday, March 04, 2012 11:46 AM
To: materials-welding@googlegroups.com
Subject: [MW:13818] clarification for UT
Dear all,
I'm having a doubt about UT.
Few of my friend are saying that UT is not possible for thickness less than 12mm, especially for the weld joints that too pipe line's is not possible. (or maybe they hope, but practically I had successfully done and doing the same for less thk)
I'm having the following queries
1. Why it is not possible?
2. Any code / standard is it specified?
3. Than what is alternate option for lesser thickness NDT(where RT is not possible/feasible due to any safety concern or accessibility)
Could any one help us to resolve the queries
Thanks and Regards................?
Lakshman Kumar.B|Manager |Lanco Infratech Limited
Plot No 1255 | Sanjeevani chowk | Mahanadi vihar | Cuttack 753004
Phone : + 91 671 2445033 | Mobile : +91 9937286851 |www.lancogroup.com
Go Green|The future will thank you
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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