Re: [MW:28095] USE OF ELECTRODE

Dear Mr. Shaikh,

If the PQR is qualified with E7018, you can use E7018-1 but need to prepare a new WPS with E7018-1 provided meeting the requirements of all other essential & supplementary essential variables.

Refer attached file of asme code interpretation.

Regards,

Navnitkumar Parikh

On Tue, Jul 17, 2018 at 8:39 PM, Hasin Shaikh <hasin.shaikh@gmail.com> wrote:

Dear All

I have query about use of Electrode with change og classification 

We have WPS for SMAW welding process for P1 material with the E 7018 electrode in that case can we use in production E7018-1 electrode 

Please help me out in interpretation

QW 404.12 (e) from a classification that requires toughness testing

to the same classification which has a suffix which indicates

that toughness testing was performed at a lower

temperature or exhibited greater toughness at the required

temperature or both, as compared to the classification

which was used during procedure qualification (i.e., a

change from E7018 to E7018‐1)

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*With Regards
Shaikh.Hasin
Email: hasin.shaikh@gmail.com
Mobile: +91-9924562942*

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