Change in electrode dia is a non-essential variable for normal service. If so, it can be used. But it considered as supplementary essential variable, where notch toughness required in changing of electrode size >6mm.
Regards,
LV
On Apr 1, 2018 9:17 PM, "Nachhattar Singh" <nachhattar1947@gmail.com> wrote:
Dear Experts
I have a WPS and PQR approved for 13% Cr. For 3.2 mm Electrode.
My question is if the same WPS can be used for use of 4.0 mm electrode.
If yes, then please give reference of the code / standard.
Kind regards
N. S. Gurm
PLEASE THINK BEFORE PRINTING
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