DIN Standard CuNi30Mn1Fe Copper-Nickel Busbar 70% Copper 30% Nickel Alloy For High Conductivity Industrial
DIN CuNi30Mn1Fe copper-nickel busbars represent a highly durable solution for electrical and industrial applications requiring exceptional corrosion resistance and mechanical reliability. Composed of approximately 70% copper, 30% nickel, with small additions of manganese and iron, this alloy offers superior resistance to seawater, industrial chemicals, and high-moisture environments while maintaining reliable conductivity.
| Property / Alloy Grade | CuNi30Mn1Fe (DIN) | C70600 (90/10 CuNi) | C71500 (70/30 CuNi) | Pure Copper (Cu) |
|---|---|---|---|---|
| Copper Content (%) | 68–70 | 90 | 70 | 100 |
| Nickel Content (%) | ~30 | 10 | 30 | 0 |
| Manganese (%) | ~1 | — | — | — |
| Iron (%) | 0.5–1.0 | 1.5 max | 0.5 max | — |
| Max Service Temp (°C) | 200 | 200 | 200 | 150 |
| Corrosion Resistance | Excellent | Very High | Superior | Moderate |
| Electrical Conductivity (% IACS) | ~10–12 | ~21 | ~12 | 100 |
| Applications | Industrial busbars, offshore energy, desalination, power distribution | Marine systems, shipboard power | Industrial power grids, offshore plants | General power distribution |
| International Equivalents | DIN 2.0882 CuNi30Mn1Fe | ASTM B122 C70600 | ASTM B122 C71500 | ASTM B187 |
The alloy's strength lies in its balanced composition. The 30% nickel content enhances corrosion resistance and provides mechanical stability, while the controlled additions of manganese and iron improve toughness and resistance to erosion. Compared to pure copper, which is prone to rapid degradation in aggressive environments, CuNi30Mn1Fe maintains its performance over long service cycles, reducing downtime and maintenance costs.
When compared to C70600 (90/10 CuNi) and C71500 (70/30 CuNi), CuNi30Mn1Fe offers a unique performance profile. While it shares similarities with 70/30 CuNi alloys, the presence of manganese and iron provides additional mechanical resilience and stability in demanding industrial settings.
- Offshore energy installations: Withstands continuous exposure to seawater without localized corrosion
- Desalination and chemical plants: Resists stress corrosion cracking and erosion for long-term service
- Industrial power distribution: Provides durability and electrical performance for heavy continuous loads
At DLX, our manufacturing processes focus on maintaining tight control over alloy composition and mechanical properties. Every CuNi30Mn1Fe busbar is tested for dimensional accuracy, electrical conductivity, and surface finish. Our quality assurance protocols ensure compliance with DIN 2.0882 standards and other international benchmarks.
- 12,000㎡ ISO 9001 certified production facility
- Annual output of 1,200 tons
- Rigorous simulated environment testing (high temperature, high pressure, corrosion)
- Custom manufacturing services including precision cutting and surface treatments
We provide multilingual after-sales support and technical consulting to help resolve any issues swiftly. Our global supply chain and efficient logistics network ensure timely delivery worldwide.
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