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ZK51A Magnesium vs. 380.0 Aluminum

ZK51A magnesium belongs to the magnesium alloys classification, while 380.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ZK51A magnesium and the bottom bar is 380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
74
Elongation at Break, % 4.7
3.0
Fatigue Strength, MPa 62
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
28
Shear Strength, MPa 160
190
Tensile Strength: Ultimate (UTS), MPa 240
320
Tensile Strength: Yield (Proof), MPa 150
160

Thermal Properties

Latent Heat of Fusion, J/g 340
510
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
83

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 1.8
2.9
Embodied Carbon, kg CO2/kg material 24
7.5
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 940
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
8.0
Resilience: Unit (Modulus of Resilience), kJ/m3 260
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 64
48
Strength to Weight: Axial, points 36
31
Strength to Weight: Bending, points 47
36
Thermal Diffusivity, mm2/s 61
40
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
79.6 to 89.5
Copper (Cu), % 0 to 0.1
3.0 to 4.0
Iron (Fe), % 0
0 to 2.0
Magnesium (Mg), % 93.1 to 95.9
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 0.5
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 3.6 to 5.5
0 to 3.0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.5