Data SheetERCuNi
ERCuNi is used for GMAW and GTAW. Can also be used by oxy-fuel welding of 70/30, 80/20, and 90/10 copper nickel alloys. A barrier layer of nickel alloy 610 is recommended prior to overlaying steel with GMAW weld process. Because ERCuNi has excellent resistance to corrosion in sea water, ERCuNi is widely used for marine and desalination applications.
Common Names: Oxford Alloy® 67 FM 67 Tech alloy 413
Conformances: AWS A5.7, SFA-5.7, UNS C71581
CHEMICAL COMPOSITION(%)
|
C |
Si |
Mn |
S |
P |
Ni |
|---|---|---|---|---|---|
|
≤0.03 |
≤0.25 |
≤1.0 |
≤0.01 |
0.02 |
30-32 |
|
Al |
Ti |
Fe |
Cu |
others |
- |
|
≤0.15 |
0.2-0.5 |
0.4-0.75 |
Rest |
＜0.5 |
- |
WELDING PARAMETERS
|
Process |
Diameter |
Voltage |
Amperage |
Shielding Gas |
|---|---|---|---|---|
|
TIG |
.035” (0.9mm) .045” (1.2mm) 1/16” (1.6mm) 3/32” (2.4mm) 1/8” (3.2mm) |
12-15 13-16 14-18 15-20 15-20 |
60-90 80-110 90-130 120-175 150-220 |
100% Argon 100% Argon 100% Argon 100% Argon 100% Argon |
|
MIG |
.035” (0.9mm) .045” (1.2mm) 1/16” (1.6mm) |
26-29 28-32 29-33 |
150-190 180-220 200-250 |
75% Argon + 25% Helium 75% Argon + 25% Helium 75% Argon + 25% Helium |
|
SAW |
3/32” (2.4mm) 1/8” (3.2mm) 5/32” (4.0mm) |
28-30 29-32 30-33 |
275-350 350-450 400-550 |
Suitable Flux may be used Suitable Flux may be used Suitable Flux may be used |
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