Filler metal selection for tube to tube sheet welding
Filler metal selection for tube to tube sheet welding
(OP)
I need your advice on the filler metal selection for tube to tube sheet welding (GTAW Process):
Tubesheet: SB171-46400 (Naval Brass, 60Cu-40Zn)
Tube-1: SB111-44300 (Admiralty Brass, 70Cu-30Zn)
Tube-2: SB111-71500 (70Cu-30Ni)
(1): what filler metal should be used for SB111-44300 to SB171-46400 welding?
(2): what filler metal should be used for SB111-71500 to SB171-46400 welding?
Is AWS A5.7 ERCuNi suitable for both item 1 and 2 above?
Thanks.
Tubesheet: SB171-46400 (Naval Brass, 60Cu-40Zn)
Tube-1: SB111-44300 (Admiralty Brass, 70Cu-30Zn)
Tube-2: SB111-71500 (70Cu-30Ni)
(1): what filler metal should be used for SB111-44300 to SB171-46400 welding?
(2): what filler metal should be used for SB111-71500 to SB171-46400 welding?
Is AWS A5.7 ERCuNi suitable for both item 1 and 2 above?
Thanks.





RE: Filler metal selection for tube to tube sheet welding
No for both. The filler metal for joining brass to brass can be either ERCuSn-A or ERCuSi, and for Cu-Ni to brass, ERCuNi.
RE: Filler metal selection for tube to tube sheet welding
Joining Copper-Nickel Alloys
http://
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copper nickel fabrication
http://www.stainless-steel-world.net/pdf/12014.pdf
http://www.twi.co.uk/content/jk23.html
S
Corrosion Prevention & Corrosion Control
RE: Filler metal selection for tube to tube sheet welding
It is rare to see seal welds in Brass and CuNi units.
= = = = = = = = = = = = = = = = = = = =
Plymouth Tube
RE: Filler metal selection for tube to tube sheet welding
EdStainless:
If seal welds brass and CuNi can not be obtained, How to make the tube to tubesheet joint, Heavy expansion?