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EN AC-45100 Aluminum vs. ZA-27

EN AC-45100 aluminum belongs to the aluminum alloys classification, while ZA-27 belongs to the zinc alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN AC-45100 aluminum and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97 to 130
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 72
78
Elongation at Break, % 1.0 to 2.8
2.0 to 4.5
Fatigue Strength, MPa 82 to 99
110 to 170
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
31
Tensile Strength: Ultimate (UTS), MPa 300 to 360
400 to 430
Tensile Strength: Yield (Proof), MPa 210 to 320
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 470
130
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 630
480
Melting Onset (Solidus), °C 550
380
Specific Heat Capacity, J/kg-K 890
530
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
30
Electrical Conductivity: Equal Weight (Specific), % IACS 95
53

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 2.8
5.0
Embodied Carbon, kg CO2/kg material 7.9
4.2
Embodied Energy, MJ/kg 150
80
Embodied Water, L/kg 1100
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 49
28
Strength to Weight: Axial, points 30 to 35
22 to 24
Strength to Weight: Bending, points 35 to 39
24 to 25
Thermal Diffusivity, mm2/s 54
47
Thermal Shock Resistance, points 14 to 16
14 to 15

Alloy Composition

Aluminum (Al), % 88 to 92.8
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 2.6 to 3.6
2.0 to 2.5
Iron (Fe), % 0 to 0.6
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.0060
Magnesium (Mg), % 0.15 to 0.45
0.010 to 0.020
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0 to 0.020
Silicon (Si), % 4.5 to 6.0
0 to 0.080
Tin (Sn), % 0 to 0.050
0 to 0.0030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
69.3 to 73
Residuals, % 0 to 0.15
0