why the client stated in the project specification:
Rutile type electrodes (E-3XX-17 or E-3XX-16) are strictly forbidden for any kind of welding operation for Stabilized Stainless Steel (AISI 321 and 347), including flange facings, overlays and build-ups.
For the rest of AISI 300 Stainless...
When the project specification states that WPS shall be requalified when a decrease in groove angle more than 10 degree.so please advise which one of the below is the right way to qualify a WPS:
1-PQR using single V with groove angle 50 degree (to cover 70 degree butt weld and branch connection...