Roger Duwe NDT Inspector, API-510, 570, 653 MISTRAS, USA, Joined Jan 2009, 148
Roger Duwe NDT Inspector, API-510, 570, 653 MISTRAS, USA, Joined Jan 2009 148
21:51 Jun-24-2009 Re: Hardness TestIn Reply to gunawan_eko at 08:34 Jun-24-2009 (Opening).
No, hardness testing is not required to confirm adequate PWHT of P-1 material >19mm, per B31.3. Per 331.1.7(a), if no hardness limit is listed in the table, testing is not required.
However, it is a VERY good idea to do a few spot hardness tests of PWHT'd welds. Makes everybody 'happy', by proving that your PWHT was proper. The number you are looking for is Brinnell Hardness 'BHN' of 200 or less.
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NDTkit RT, TESTIA's Digital Radiography software
The NDTkit product line software for X-ray analysi
NDTkit RT is a software benefiting from the Ultis kernel which is
dedicated to radiographic image analysis. It offers a set of tools
and filtering processes to assist RT operators in finding relevant