Sunday, February 15, 2009

[MW:1581] Mix up of A106 Gr.B and A336 Gr.6 pipes

Dear Friends,
 
When A106 Gr.B and A336 Gr.6 pipes are physically mixed up and mill identification/ stencilling was lost during painting on external surface. Since both are CS materials, segregation by PMI (i.e by X-Ray spectrometer or by Gamma ray) is not possible.
 
Is there any other NDE method to segregate/ identify them to the respective material specification.
 
Regards,
T S Reddy



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