[MW:27002] AISI 8620 Welding_WPS PQR reg

Dear all,

I have to qualify a procedure for AISI 8620 material.

Material:AISI 8620

Welding Process:SMAW

Purpose of Qualification: For valve repair

Code:ASME SEC IX

I want to know the following

1) Electrode

2) Preheat

3)PWHT requirement

4) AISI 8620 - Unlisted material or If it comes under listed material want to know the P number & group number.

Siva

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