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EN AC-21100 Aluminum vs. ZA-12

EN AC-21100 aluminum belongs to the aluminum alloys classification, while ZA-12 belongs to the zinc alloys. 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-21100 aluminum and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 71
83
Elongation at Break, % 6.2 to 7.3
1.6 to 5.3
Fatigue Strength, MPa 79 to 87
73 to 120
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 27
33
Tensile Strength: Ultimate (UTS), MPa 340 to 350
260 to 400
Tensile Strength: Yield (Proof), MPa 210 to 240
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 390
120
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 670
430
Melting Onset (Solidus), °C 550
380
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
42

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
6.0
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
64
Embodied Water, L/kg 1150
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
260 to 620
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 31 to 33
12 to 19
Strength to Weight: Bending, points 36 to 37
15 to 20
Thermal Diffusivity, mm2/s 48
43
Thermal Shock Resistance, points 15
9.4 to 14

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 4.2 to 5.2
0.5 to 1.2
Iron (Fe), % 0 to 0.19
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0 to 0.18
0 to 0.060
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
87.1 to 89
Residuals, % 0 to 0.1
0