ERNiCu-7
*Specification
AWS/ASME Spec 5.14
AWS Class ERNiCu-7
UNS N04060
*Chemical Composition,%
C |
Mn |
Si |
S |
P |
Ni |
Fe |
Cu |
Al |
Ti |
≤0.15 |
≤4 |
≤1.25 |
≤0.015 |
≤0.02 |
62-69 |
≤2.5 |
Rest |
≤1.25 |
1.5-3.0 |
*Typical Welding Parameter & Mechanical Property
Diameter |
Process |
Volt |
Amps |
Shielding Gas |
|
In |
mm |
||||
0.035 |
0.9 |
GMAW |
26-29 |
150-190 |
Spray Transfer 100% Argon |
0.045 |
1.2 |
GMAW |
28-32 |
180-220 |
|
1/16 |
1.6 |
GMAW |
29-33 |
200-250 |
|
1/16 |
1.6 |
GTAW |
14-18 |
90-130 |
100% Argon |
3/32 |
2.4 |
GTAW |
15-20 |
120-175 |
100% Argon |
1/8 |
3.2 |
GTAW |
15-20 |
150-220 |
100% Argon |
Tensile Strength MPa(ksi) |
Yield Strength MPa(ksi) |
Elongation % |
|
AWS requirement |
480(70) |
Not specified |
Not specified |
Typical results as welded |
530(77) |
360(53) |
34 |
*Feature
Dissimilar welding applications include joining alloys to Nickel 200 and copper-nickel alloys.
Widely used in marine applications because of its good resistance to the corrosive effects of seawater and brackish waters.
Can be used for MIG overlay on steel after a first layer with nickel 208.
*Application
Marine
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