Several Carpenter 20(Alloy 20)tubes are to be welded to a 316L stainless steel raised face pipe flange.
This is basically a P45 to a P8 weld.
Weld material for the 316L material is SFA-5.9 ER316L.
Weld material for Carpenter 20 is SFA 5.9 ER320LR.
What weld material should be used when...
A flat 24" OD x 2" thk. steel surface is heated to and maintains a 400F temp. on side #1.
On the opposite side (side #2) is a 24"ID x 5" tall x 1/2" thk. steel enclosure. The enclosure has a 1/2" thk. steel cover.
I need to know the estimated temperature inside this steel enclosure.
The...