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238.0 Aluminum vs. AM60B Magnesium

238.0 aluminum belongs to the aluminum alloys classification, while AM60B magnesium belongs to the magnesium alloys. There are 29 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 238.0 aluminum and the bottom bar is AM60B magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
45
Elongation at Break, % 1.5
11
Fatigue Strength, MPa 110
96
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
17
Tensile Strength: Ultimate (UTS), MPa 210
230
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 430
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 510
540
Specific Heat Capacity, J/kg-K 840
1000
Thermal Conductivity, W/m-K 100
61
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
13
Electrical Conductivity: Equal Weight (Specific), % IACS 67
72

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 3.4
1.7
Embodied Carbon, kg CO2/kg material 7.4
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
21
Resilience: Unit (Modulus of Resilience), kJ/m3 180
190
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 42
71
Strength to Weight: Axial, points 17
38
Strength to Weight: Bending, points 23
50
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 9.1
14

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
5.5 to 6.5
Copper (Cu), % 9.5 to 10.5
0 to 0.010
Iron (Fe), % 1.0 to 1.5
0 to 0.0050
Magnesium (Mg), % 0 to 0.25
92.6 to 94.3
Manganese (Mn), % 0
0.24 to 0.6
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 3.6 to 4.4
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
0 to 0.22