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AM60B Magnesium vs. 2117 Aluminum

AM60B magnesium belongs to the magnesium alloys classification, while 2117 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is AM60B magnesium and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
70
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 11
26
Fatigue Strength, MPa 96
95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 140
200
Tensile Strength: Ultimate (UTS), MPa 230
300
Tensile Strength: Yield (Proof), MPa 130
170

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 620
650
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 1000
880
Thermal Conductivity, W/m-K 61
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
40
Electrical Conductivity: Equal Weight (Specific), % IACS 72
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 1.7
3.0
Embodied Carbon, kg CO2/kg material 23
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
64
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
47
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 50
33
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
91 to 97.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
2.2 to 4.5
Iron (Fe), % 0 to 0.0050
0 to 0.7
Magnesium (Mg), % 92.6 to 94.3
0.2 to 1.0
Manganese (Mn), % 0.24 to 0.6
0.4 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0.2 to 0.8
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.22
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15