California Fine Wire is a manufacturer of Manganin 290 fine wire. Our specialty is supplying Manganin 290 wire in the smallest diameters on the market.
Unit of Measure

Specifications

Brands

N/A California Fine Wire Co.

Industry Standards

N/A American Society for Testing and Materials (ASTM) B-267

Second Element

N/A Copper (Cu) Manganese (Mn) Nickel (Ni)

Electrical

Specific Resistivity

N/A 48.21 µOhm·cm²/cm

Commercial Resistance Tolerance (On Sizes below 0.020)

N/A 3.00 %

Thermal Electromotive Force (EMF) Vs Copper

N/A -0.014

Specific Resistance

N/A 290.000 Ohm·cm/ft

Temperature Coefficient of Resistance (0 to 100 Degree Celsius (ºC) Temperature)

N/A 0.000015 Ohm/Ohm/ºC

Physical

Density

N/A 8.19 g/cm³

Specific Heat at 20 Degree Celsius (ºC) Temperature

N/A 0.097 cal/g

Thermal Conductivity

N/A 0.264000 W/cm/ºC

Coefficient of Linear Expansion

N/A 18.7 x 10-6 in/in ºC

Melting Point

N/A 1020.00 ºC

Composition

Element

N/A Copper (Cu) Manganese (Mn) Nickel (Ni)

Nominal Copper (Cu) Composition

N/A 84.0000 %

Nominal Nickel (Ni) Composition

N/A 4.0000 %

Tensile Strength

Hard Ultimate Tensile Strength (UTS)

N/A 150000 psi

Annealed Ultimate Tensile Strength (UTS)

N/A 70000 psi

Hard Yield Tensile Strength (YTS)

N/A 80000 psi

Annealed Yield Tensile Strength (YTS)

N/A 25000 psi

Note

N/A All values may vary dependent on specific design and usage.

Miscellaneous

Operating Temperature

N/A 93.00 ºC