Tube to Tube sheet welding
Tube to Tube sheet welding
(OP)
I have to Qualify a mock up procedure of Tube to tube sheet weld as per QW 193.
Material is as follows.
Tube Sheet - SA 350 LF2 Class 1
Tubes -SA 334 Gr 3.
Can someone provide me with information regarding the filler wire to be used for welding
Material is as follows.
Tube Sheet - SA 350 LF2 Class 1
Tubes -SA 334 Gr 3.
Can someone provide me with information regarding the filler wire to be used for welding





RE: Tube to Tube sheet welding
SFA 5.28 ER80S- NI2 GTAW process
SFA 5.5 E7018-CIL SMAW process
if your MDMT is below -30 deg F.
If not, ER70S-6 would work for GTAW.
RE: Tube to Tube sheet welding
I apologize for not giving full details. MDMT for this exchanger is -50°F.