The immediate PWHT is what we want addressed the most. Does putting it in the oven quickly have any serious detriments?
To further this, we plan on doing either a hot wire GTAW or pulsed GMAW WPS once we've met the requirements of the first procedure. Since both processes have almost no...
I am preparing to perform a PQR for a WPS for the welding of 4140 casing. The WT of the coupon is .5". Processes used will be GMAW ER80S-D2 root and SMAW E10018M (H4) fill (butt weld). Pre-heat will be 450F. The "PWHT" that has been recommended is 950F +/- 25. The base material was quenched and...
