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Zamak 7 vs. C82500 Copper

Zamak 7 belongs to the zinc alloys classification, while C82500 copper belongs to the copper alloys. There are 27 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 7 and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
120
Elongation at Break, % 13
1.0 to 20
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 33
45
Tensile Strength: Ultimate (UTS), MPa 280
550 to 1100
Tensile Strength: Yield (Proof), MPa 250
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 120
240
Maximum Temperature: Mechanical, °C 95
280
Melting Completion (Liquidus), °C 390
980
Melting Onset (Solidus), °C 380
860
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
20
Electrical Conductivity: Equal Weight (Specific), % IACS 38
21

Otherwise Unclassified Properties

Density, g/cm3 6.4
8.8
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 57
160
Embodied Water, L/kg 380
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 370
400 to 4000
Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 12
18 to 35
Strength to Weight: Bending, points 15
17 to 27
Thermal Diffusivity, mm2/s 43
38
Thermal Shock Resistance, points 8.6
19 to 38

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.25
95.3 to 97.8
Iron (Fe), % 0 to 0.075
0 to 0.25
Lead (Pb), % 0 to 0.0030
0 to 0.020
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Tin (Sn), % 0 to 0.0010
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 95.3 to 96.5
0 to 0.1
Residuals, % 0
0 to 0.5