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Zamak 3 vs. C72700 Copper-nickel

Zamak 3 belongs to the zinc alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
120
Elongation at Break, % 11
4.0 to 36
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 33
44
Shear Strength, MPa 210
310 to 620
Tensile Strength: Ultimate (UTS), MPa 280
460 to 1070
Tensile Strength: Yield (Proof), MPa 210
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 120
210
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 390
1100
Melting Onset (Solidus), °C 380
930
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 110
54
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 38
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 6.4
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.0
Embodied Energy, MJ/kg 57
62
Embodied Water, L/kg 380
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1420 to 4770
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
14 to 34
Strength to Weight: Bending, points 15
15 to 26
Thermal Diffusivity, mm2/s 43
16
Thermal Shock Resistance, points 8.6
16 to 38

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.25
82.1 to 86
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.0050
0 to 0.020
Magnesium (Mg), % 0.020 to 0.060
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 0.020
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.030
0
Tin (Sn), % 0 to 0.0030
5.5 to 6.5
Zinc (Zn), % 95.3 to 96.5
0 to 0.5
Residuals, % 0
0 to 0.3