CuNi Alloy
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Copper-nickel alloys
NiCr Alloy Wire
- Thickness: 0.2mm-100mm
- Width: 50mm-2000mm
- Size: Standard size (e.g. 1000mm×2000mm, 1200mm×2400mm), or customizable
- Diameter: 2mm-250mm
- Length: 1m-6m, or customizable
- Diameter: 0.01mm-8mm
- Wire Type: Bright shiny wire, annealed wire, etc.
- Outer Diameter: 3mm-500mm
- Wall Thickness: 0.5mm-50mm
- Length: 1m-6m, or customizable
- Thickness: 0.01mm-0.2mm
- Width: 5mm-300mm
Standard Compliant
Our production adheres to JIS G4313 standards, ensuring compliance with international quality benchmarks.
Equivalent overseas standards are listed for reference.
- ISO 13380, 197-6
- ASTM B111, B151, B466, B122
- DIN 86019, 17664
- EN 12449, 12451
- GB/T 5231, 8890, 2059
Chemical Composition
| Grades | NC003 | NC005 | NC010 | NC012 | NC015 | NC020 | NC025 | NC030 | NC035 | NC040 | NC050 | |
| Main Chemical Composition (%) | Nickel (Ni) | 1 | 2 | 6 | 8 | 10 | 14.2 | 19 | 23 | 30 | 34 | 44 |
| Manganese (Mn) | / | / | / | / | / | 0.3 | 0.5 | 0.5 | 1 | 1 | 1 | |
| Copper (Cu) | Rest | Rest | Rest | Rest | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
Physical & Mechanical Properties
| Grades | NC003 | NC005 | NC010 | NC012 | NC015 | NC020 | NC025 | NC030 | NC035 | NC040 | NC050 |
| CuNi1 | CuNi2 | CuNi6 | CuNi8 | CuNi10 | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNI44 | |
| Max. Service Temperature (°C) | 200 | 200 | 220 | 250 | 250 | 300 | 300 | 300 | 350 | 350 | 400 |
| Density (g/cm³) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 |
| Resistivity at 20℃ (μΩ·m) | 0.03±10% | 0.05±10% | 0.10±10% | 0.12±10% | 0.15±10% | 0.20±5% | 0.25±5% | 0.30±5% | 0.35±5% | 0.40±5% | 0.5±5% |
| Resistance Temperature Coefficient ×10⁻⁶/ºC (20~600ºC) | <100 | <120 | <60 | <57 | <50 | <38 | <25 | <16 | <10 | 0 | 210 |
| Tensile Strength (Mpa) | >210 | >220 | >250 | >270 | >290 | >310 | >340 | >350 | >400 | >400 | >420 |
| Elongation at Rupture (%) | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 |
| Melting Point (°C) | 1085 | 1090 | 1095 | 1097 | 1100 | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 |
| Thermoelectric Potential of Copper (μV/℃) (0~100℃) | -8 | -12 | -18 | -22 | -25 | -28 | -32 | -34 | -37 | -39 | -43 |
Features
- Exceptional performance in seawater, chloride solutions, and other corrosive environments, resisting pitting and crevice corrosion
- Suitable for applications requiring significant load-bearing capacity or high pressure
- Easily welded, cold-processed, hot-processed, and forged, facilitating the production of complex parts
- Ideal for high-speed motion and high-friction environments, reducing wear and fatigue damage
- Low magnetic permeability, which is crucial for applications sensitive to magnetic fields
- Stable electrical resistance and excellent conductivity with low temperature coefficients
- Resistant to microorganisms and algae growth, especially beneficial in long-term water-contact applications
Applications
- Marine engineering: Used in shipbuilding, offshore platform construction, and heat exchangers for desalination plants
- Chemical industry: Utilized in the manufacture of reaction vessels, piping, and other equipment exposed to chemicals
- Power and energy: Found in cooling system components for nuclear and thermal power plants
- Oil and gas extraction: Applied in oil well tubing, subsea pipelines, and other components exposed to harsh conditions
- Aerospace: Used for various aircraft structural parts and engine components
- Telecommunications: Employed in antenna coils, magnetic cores for electronic circuits, and small transformers
- Medical equipment: Used in non-magnetic components of medical machines such as MRI scanners
Packaging