kukes2
Industrial
- Dec 12, 2013
- 3
Our company is going to qualify a welding procedure on a 1/4"thick plate coupon of SA-387 P91 material welded with the GTAW process using ER-NiCr-3 filler rod in the 1G position with no PWHT.We will use a 99.90% argon mixture for shielding and backing.Preheat will be 200 degrees F and interpass at 400 degrees F.It will be an open butt vee groove design welded fom one side.
Does anyone have any comments or suggestions that i may have missed in the above paragraph?
Does anyone have any comments or suggestions that i may have missed in the above paragraph?