Nilomag Alloy 77 / UNS N14077 / 2.4503 / Ni77Mo5Cu2

Nilomag Alloy 77: Properties, Applications, and Features

✅ General Technical Characteristics

The Nilomag Alloy 77 is a nickel-iron alloy with high magnetic permeability, low eddy current losses, and excellent stability in magnetic fields. It is used in applications requiring high magnetic induction and minimal energy losses. This material combines strength, thermal resistance, and corrosion resistance, making it highly sought after in the electronics, electrical engineering, and medical industries.

Main Characteristics:

• High magnetic permeability and low eddy current losses.
• Excellent stability in magnetic fields.
• High corrosion resistance.
• Good mechanical strength and wear resistance.
• Superior electrical conductivity and thermal resistance.

🔬 Chemical Composition of Nilomag Alloy 77 (%)

• Nickel (Ni): 76 – 80
• Iron (Fe): 15 – 20
• Molybdenum (Mo): 3 – 5
• Manganese (Mn): ≤ 1.0
• Silicon (Si): ≤ 0.5
• Carbon (C): ≤ 0.03
• Phosphorus (P): ≤ 0.02
• Sulfur (S): ≤ 0.01

💡 The combination of nickel and molybdenum gives the alloy high magnetic permeability and excellent corrosion resistance.

🏭 Applications

Nilomag Alloy 77 is used in high-tech industries requiring high magnetic efficiency and minimal energy losses.

Main Application Areas:

• Electronics and electrical engineering (magnetic cores, transformers, induction coils).
• Medical equipment (magnetic sensors, medical electronics).
• Aerospace and aviation industry (magnetic shielding, electromagnetic coils).
• Automotive industry (sensors, electronic components).
• Scientific research (magnetic resonance devices, measuring instruments).

📊 Mechanical Properties

• Tensile Strength (Rm): 500 – 800 MPa
• Yield Strength (Rp0.2): ≥ 300 MPa
• Hardness (HB): ≤ 250 HB
• Elongation (A5): ≥ 30 %

⭐ Features

• High magnetic permeability – ensures efficiency in magnetic circuits.
• Excellent corrosion resistance – retains properties even in humid and aggressive environments.
• Low eddy current losses – reduces energy consumption.
• Strength and durability – withstands mechanical stress and temperature exposure.
• Wide range of applications – used in industry, electronics, medicine, and aviation.

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