Manganin
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Manganin is a trademarked name for an alloy of typically 84.2% copper, 12.1% manganese, and 3.7% nickel. It was first developed by Edward Weston in 1892, improving upon his Constantan. Wikipedia
Density (ρ): 8.4 g/cm3
Elongation (ε) at break: <50%
Izod impact strength: 107 J/m
Linear thermal expansion coefficient (α): (14–19)×10−6 K−1
Melting temperature (Tm): 1020 °C
Specific heat capacity (c): 0.097 cals/gm
Tensile strength (σt): 300–600 MPa
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