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C37000 Muntz Metal vs. C70700 Copper-nickel

Both C37000 Muntz Metal and C70700 copper-nickel are copper alloys. They have 61% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C37000 Muntz Metal and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 40
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
46
Shear Strength, MPa 270
220
Tensile Strength: Ultimate (UTS), MPa 400
320
Tensile Strength: Yield (Proof), MPa 160
110

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 900
1120
Melting Onset (Solidus), °C 890
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
59
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 30
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 120
51
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
10
Strength to Weight: Bending, points 15
12
Thermal Diffusivity, mm2/s 39
17
Thermal Shock Resistance, points 13
12

Alloy Composition

Copper (Cu), % 59 to 62
88.5 to 90.5
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Zinc (Zn), % 36 to 40.2
0
Residuals, % 0
0 to 0.5