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Zamak 2 vs. C72150 Copper-nickel

Zamak 2 belongs to the zinc alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
99
Elastic (Young's, Tensile) Modulus, GPa 87
150
Elongation at Break, % 6.0
29
Poisson's Ratio 0.26
0.33
Shear Modulus, GPa 33
55
Shear Strength, MPa 320
320
Tensile Strength: Ultimate (UTS), MPa 360
490
Tensile Strength: Yield (Proof), MPa 270
210

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 95
600
Melting Completion (Liquidus), °C 390
1210
Melting Onset (Solidus), °C 380
1250
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 110
22
Thermal Expansion, µm/m-K 28
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 35
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 6.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
6.1
Embodied Energy, MJ/kg 57
88
Embodied Water, L/kg 380
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
120
Resilience: Unit (Modulus of Resilience), kJ/m3 420
150
Stiffness to Weight: Axial, points 7.5
9.1
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 15
15
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 41
6.0
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 2.5 to 3.3
52.5 to 57
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.0050
0 to 0.050
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.020
43 to 46
Silicon (Si), % 0 to 0.030
0 to 0.5
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0 to 0.2
Residuals, % 0
0 to 0.5