Manganin® Rod

Manganin® rods (Cu86Mn12Ni2) are valued in research and industry for their stable resistance and low temperature coefficient, making them ideal for pressure and strain sensors in critical fields such as aerospace, geotechnical engineering, and biomedical devices. Their low thermal drift and high sensitivity enable accurate pressure measurement in extreme environments, while their stability and corrosion resistance ensure reliability in demanding applications like hydraulic systems and current measurement instruments. These features underscore Manganin®'s role in enhancing precision and performance across various sectors.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

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