Dear,
As b31.3 says in paragraph 331.1.7, hardness test are intended to verify satisfactory heat treatment, so this test should be made after PWHT
Sergio Muñoz
M. Welding Engineering
IWE-IIW
EWE-EWF
Welding specialist
http://weld-ing.blogspot.com
pe.linkedin.com/pub/sergio-antonio-muñoz-pinzón/54/a33/69
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