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EN AC-51200 Aluminum vs. Zamak 7

EN AC-51200 aluminum belongs to the aluminum alloys classification, while Zamak 7 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN AC-51200 aluminum and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
80
Elastic (Young's, Tensile) Modulus, GPa 67
86
Elongation at Break, % 1.1
13
Fatigue Strength, MPa 100
47
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 25
33
Tensile Strength: Ultimate (UTS), MPa 220
280
Tensile Strength: Yield (Proof), MPa 150
250

Thermal Properties

Latent Heat of Fusion, J/g 410
120
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 640
390
Melting Onset (Solidus), °C 570
380
Specific Heat Capacity, J/kg-K 910
410
Thermal Conductivity, W/m-K 92
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
27
Electrical Conductivity: Equal Weight (Specific), % IACS 74
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
6.4
Embodied Carbon, kg CO2/kg material 9.6
3.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
36
Resilience: Unit (Modulus of Resilience), kJ/m3 160
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 31
15
Thermal Diffusivity, mm2/s 39
43
Thermal Shock Resistance, points 10
8.6

Alloy Composition

Aluminum (Al), % 84.5 to 92
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 1.0
0 to 0.075
Lead (Pb), % 0 to 0.1
0 to 0.0030
Magnesium (Mg), % 8.0 to 10.5
0.0050 to 0.020
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0.0050 to 0.020
Silicon (Si), % 0 to 2.5
0
Tin (Sn), % 0 to 0.1
0 to 0.0010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
95.3 to 96.5
Residuals, % 0 to 0.15
0