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PWHT of 4140
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...- jgwright
- Post #4
- Forum: Metal and Metallurgy engineering
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PWHT of 4140
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...- jgwright
- Thread
- Replies: 5
- Forum: Metal and Metallurgy engineering
