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ZE41A Magnesium vs. 308.0 Aluminum

ZE41A magnesium belongs to the magnesium alloys classification, while 308.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ZE41A magnesium and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
70
Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 3.3
2.0
Fatigue Strength, MPa 98
89
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 150
150
Tensile Strength: Ultimate (UTS), MPa 210
190
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 540
540
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
37
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 18
10
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 24
7.7
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 940
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 220
83
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
47
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 41
25
Thermal Diffusivity, mm2/s 59
55
Thermal Shock Resistance, points 12
9.2

Alloy Composition

Aluminum (Al), % 0
85.7 to 91
Copper (Cu), % 0 to 0.1
4.0 to 5.0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 91.7 to 95.4
0 to 0.1
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
5.0 to 6.0
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5