Manganin® Coil

Manganin® Coil, composed primarily of copper, manganese, and nickel, is renowned for its exceptionally stable electrical resistivity, low temperature coefficient of resistance, and resistance to long-term drift. The coiled form enhances uniformity and reproducibility, making it ideal for precision measurement systems. Industries such as metrology, electronics, and high-pressure physics rely extensively on Manganin® Coils due to their predictable resistance under varying thermal and pressure conditions. Specific applications include their integration into resistance standards, strain gauges, and high-pressure calibration devices. Studies have shown that Manganin® Coils retain linear resistance–pressure relationships even at elevated temperatures and pressures, ensuring their reliability in extreme environments. Their unique stability has positioned them as indispensable in both research and industrial innovation, where accuracy and reproducibility are critical. Manganin® Coil therefore remains a cornerstone material for precision engineering, measurement science, and advanced electronics.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Coil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%
Thickness	>0.05mm	±10%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	50
Modulus of elasticity( GPa )	124-159
Izod impact strength( J m⁻¹ )	107
Tensile strength( MPa )	300-600

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	43-48
Temperature coefficient( K⁻¹ )	0.00001

Thermal Properties

Element	Value
Maximum use temperature in air( C )	300
Melting point( C )	960
Thermal conductivity( W m⁻¹ K⁻¹ )	22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	14-19@20-100°C