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C36500 Muntz Metal vs. C70620 Copper-nickel

Both C36500 Muntz Metal and C70620 copper-nickel are copper alloys. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C36500 Muntz Metal and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.3
0.34
Rockwell B Hardness 45
65 to 87
Shear Modulus, GPa 39
46
Tensile Strength: Ultimate (UTS), MPa 400
300 to 570

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 390
390
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14
9.3 to 18
Strength to Weight: Bending, points 15
11 to 17
Thermal Diffusivity, mm2/s 40
14
Thermal Shock Resistance, points 13
10 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 58 to 61
86.5 to 90
Iron (Fe), % 0 to 0.15
1.0 to 1.8
Lead (Pb), % 0.25 to 0.7
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 37.5 to 41.8
0 to 0.5
Residuals, % 0
0 to 0.5