Re: [MW:31369] Supplementary Essential Variables

This clause is applicable when Notch toughness tesing is specified.

Please Refer  ASME Sec IX clause No. 251.2- Essential variables are those in which a change, as described in the specific

variables, is considered to affect the mechanical proper�ties of the weldment, and shall require requalification of the WPS.

Supplementary essential variables are required for me�tals for which other Sections specify toughness tests and are in addition to the essential variables for each welding

process.

On Sun, 30 Aug 2020 at 5:43 PM, udaya bhaskar <dusroni@gmail.com> wrote:

Dear Experts,

Please Can you clarify to me the above highlighted point "T limits toughness". 

This point Where is and when is applicable these Supplementary Essential Variables in WPS.
Will This Clause be applicable in water station piping WPS at Gulf countries?
Material : API5L-PSL2

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With Regards

Udaya bahaskar.D

+919676270121

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Regards,
Kundan Ahirao

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