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238.0 Aluminum vs. ZA-8

238.0 aluminum belongs to the aluminum alloys classification, while ZA-8 belongs to the zinc alloys. There are 29 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 238.0 aluminum and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
85 to 86
Elongation at Break, % 1.5
1.3 to 8.0
Fatigue Strength, MPa 110
51 to 100
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 28
34
Tensile Strength: Ultimate (UTS), MPa 210
210 to 370
Tensile Strength: Yield (Proof), MPa 170
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 430
110
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 600
400
Melting Onset (Solidus), °C 510
380
Specific Heat Capacity, J/kg-K 840
440
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 67
40

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 3.4
6.3
Embodied Carbon, kg CO2/kg material 7.4
3.3
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 1040
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 180
260 to 490
Stiffness to Weight: Axial, points 12
7.5
Stiffness to Weight: Bending, points 42
23
Strength to Weight: Axial, points 17
9.3 to 17
Strength to Weight: Bending, points 23
12 to 18
Thermal Diffusivity, mm2/s 37
42
Thermal Shock Resistance, points 9.1
7.6 to 13

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 9.5 to 10.5
0.8 to 1.3
Iron (Fe), % 1.0 to 1.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0 to 0.25
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 3.6 to 4.4
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 1.0 to 1.5
89.7 to 91.2