| Customization: | Available |
|---|---|
| Application: | Industrial |
| Standard: | GB, ASTM |
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ERNiCu-7 has good strength and resists corrosion in many media, including seawater, salts, and reducing acids. And it can be used to overlay over carbon steel, provided a buffer layer of ERNi-1 is used for the first layer. This alloy is not age hardnable and when used to join Monel K-500 has lower strength than the base metal.. It can equivalent to: Oxford Alloy 60 FM 60 , Techalloy 418.
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.
Chemical composition
| Grade | Chemical composition(%) | |||||
| ERNiCu-7 | C | S | P | Si | Mn | Ni |
| ≤0.15 | ≤0.015 | ≤0.02 | ≤1.25 | ≤4.0 | 62~69 | |
| Al | Cu | Others | Ti | Fe |
|
|
| ≤1.25 | Bal | <0.5 | 1.5~3.0 | ≤2.5 | ||
Mechanical properties
| Tensile Strength | Yield Strength | Elongation |
| 530 Mpa | 360 Mpa | 34% |
Welding paramaters
| Process | Diameter | Voltage | Amperage | Gas |
| TIG | .045" (1.2mm) | 13-16 | 80-110 | 100% Argon |
| 1/16" (1.6mm) | 14-18 | 90-130 | 100% Argon | |
| 3/32" (2.4mm) | 15-20 | 120-175 | 100% Argon | |
| 1/8" (3.2mm) | 15-20 | 150-220 | 100% Argon | |
| MIG | .045" (1.2mm) | 28-32 | 180-220 | 75% Argon + 25% Helium |
| 1/16" (1.6mm) | 29-33 | 200-250 | 75% Argon + 25% Helium | |
| SAW | 3/32" (2.4mm) | 28-30 | 275-350 | Suitable Flux may be used |
| 1/8" (3.2mm) | 29-32 | 350-450 | Suitable Flux may be used | |
| 5/32" (4.0mm) | 30-33 | 400-550 | Suitable Flux may be used |
Specifications
AWS 5.14 Class ERNiCu-7 / ASME SFA 5.14 Class ERNiCu-7 ASME II, SFA-5.14 UNS N04060 Werkstoff Nr. 2.4377 ISO SNi4060 Europe NiCu30Mn3Ti.
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