Imapct test requirements for wps

can impact test requirement depend only on thickness or design temperature also essential

Impact testing requirement is depends on MDMT of material used for construction or fabrication.
For carbon steels CVN is required when the MDMT lower than -28 C
For low temp carbon steels -46 C

1 Like

Yes, design engineer will determine Minimum Design Metal Temperatture (MDMT).


thanks brother :+1:

Also see ASME B31.3 Para. 323.2 Temperature limitations

1 Like