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5005 Aluminum vs. AM50A Magnesium

5005 aluminum belongs to the aluminum alloys classification, while AM50A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5005 aluminum and the bottom bar is AM50A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 64
58
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.1 to 23
11
Fatigue Strength, MPa 38 to 86
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 70 to 130
120
Tensile Strength: Ultimate (UTS), MPa 110 to 230
210
Tensile Strength: Yield (Proof), MPa 41 to 210
120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 650
620
Melting Onset (Solidus), °C 630
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 200
65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
16
Electrical Conductivity: Equal Weight (Specific), % IACS 170
88

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
19
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
150
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 11 to 23
35
Strength to Weight: Bending, points 19 to 31
47
Thermal Diffusivity, mm2/s 82
39
Thermal Shock Resistance, points 4.9 to 10
13

Alloy Composition

Aluminum (Al), % 97 to 99.5
4.4 to 5.4
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.010
Iron (Fe), % 0 to 0.7
0 to 0.0040
Magnesium (Mg), % 0.5 to 1.1
93.7 to 95.3
Manganese (Mn), % 0 to 0.2
0.26 to 0.6
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.3
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.22
Residuals, % 0 to 0.15
0