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Z40301 Zinc vs. 7475 Aluminum

Z40301 zinc belongs to the zinc alloys classification, while 7475 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 Z40301 zinc and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
70
Elongation at Break, % 60
10 to 12
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 35
26
Tensile Strength: Ultimate (UTS), MPa 190
530 to 590
Tensile Strength: Yield (Proof), MPa 150
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 110
380
Maximum Temperature: Mechanical, °C 90
180
Melting Completion (Liquidus), °C 410
640
Melting Onset (Solidus), °C 400
480
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 110
140 to 160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 37
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 6.6
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 340
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1390 to 1920
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 7.9
49 to 55
Strength to Weight: Bending, points 11
48 to 52
Thermal Diffusivity, mm2/s 44
53 to 63
Thermal Shock Resistance, points 5.9
23 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.010
88.6 to 91.6
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0.5 to 1.0
1.2 to 1.9
Iron (Fe), % 0 to 0.010
0 to 0.12
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.060
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.040
0 to 0.060
Zinc (Zn), % 98.9 to 99.5
5.1 to 6.2
Residuals, % 0
0 to 0.15