Name: Iron-Manganese Cupronickel CuNi30Mn1Fe
International Designation: CW354H (EN), C71500 (US), BFe30-1-1 (GB), DIN 2.0882
Standards: DIN 17664, EN 1652, ISO 1634, GB/T 5231-2012.
1. Superior Corrosion Resistance: Resists seawater, salt spray, acids, and alkalis with high stability.
2. High Strength & Ductility: Tensile strength up to 520 MPa, elongation 14–40%.
3. Excellent Machinability: Compatible with cold/hot forming, welding (TIG/laser).
4. Conductivity: ~4.8% IACS electrical conductivity, thermal conductivity 37.3 W/m·K.
5. Anti-Biofouling: Smooth surface reduces marine organism adhesion.
Form | Dimensions |
Round Bar | Diameter: Φ5.0mm–300mm |
Plate | Thickness: 0.3–15mm (thin), 2.5–125mm (thick) |
Tube | Seamless per EN 12449 (Wall ≤15mm) |
Wire | Diameter: 0.5mm–6.0mm |
Forged Parts | Custom flanges, valves, bushings |
Note: Confirm feasibility for non-standard sizes. |
Element | Cu | Ni | Fe | Mn | Pb | S | Impurities |
Range | Bal. | 29–32 | 0.4–1.0 | 0.5–1.5 | ≤0.03 | ≤0.06 | ≤0.3 |
Data based on DIN 17664; cobalt (Co) ≤0.1%. |
Property | Value/Description |
Density | 8.9 g/cm³ |
Thermal Conductivity | 37.3 W/m·K (at 20°C) |
Electrical Conductivity | ~4.8% IACS |
Elastic Modulus | 154 GPa |
Thermal Expansion | 16.8×10⁻⁶/K |
Data from multi-source tests. |
Property | Range/Typical Value |
Tensile Strength (Rm) | 350–520 MPa (varies by temper) |
Yield Strength (Rp0.2) | 120–300 MPa |
Elongation (A) | 14–40% |
Brinell Hardness (HB) | 80–160 |
Note: Hard temper (H) offers higher tensile strength. |
Extreme Environment Adaptability: Suitable for marine, chemical, and high-pressure environments.
Versatile Processing: Supports casting, forging, welding, and precision machining.
Low Maintenance: Anti-fouling and wear-resistant properties.
Marine Engineering: Desalination pipes, ship condensers, submarine pipelines.
Chemical Industry: Reactors, heat exchangers, acid transfer pipes.
Power Systems: Medium-voltage terminals, grounding components.
Shipbuilding: Valves, pump bodies, salt spray-resistant parts.
1. Welding: Prefer TIG welding; post-weld passivation required.
2. Cold Working: Deformation ≤20% per pass; anneal at 600–720°C.
3. Machining: Carbide tools with coolant.
4. Surface Treatment: Nickel/tin plating for corrosion resistance.
Nuclear Power Plants: Chloride-resistant heat transfer tubes.
Petrochemical: High-pressure reactor linings.
Aerospace: High-temperature conductive components.
A: B10 contains 10% Ni with lower strength; CuNi30Mn1Fe has 29–32% Ni and Fe/Mn for enhanced performance.
A: Not recommended due to sulfide stress corrosion risks.
A: Stable ≤200°C long-term; short-term tolerance up to 250°C.
DIN 17664: Chemical and mechanical specifications.
EN 1652: Plate and strip processing standards.
ISO 1634: Corrosion resistance testing.
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No.1 Chengxi West Road, Cicheng, Ningbo, China