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5657 Aluminum vs. EN-MC35110 Magnesium

5657 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 50
63
Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 6.6 to 15
3.1
Fatigue Strength, MPa 74 to 88
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 92 to 110
130
Tensile Strength: Ultimate (UTS), MPa 150 to 200
230
Tensile Strength: Yield (Proof), MPa 140 to 170
150

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 640
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 210
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
27
Electrical Conductivity: Equal Weight (Specific), % IACS 180
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.4
24
Embodied Energy, MJ/kg 160
170
Embodied Water, L/kg 1200
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 15 to 20
34
Strength to Weight: Bending, points 23 to 28
44
Thermal Diffusivity, mm2/s 84
61
Thermal Shock Resistance, points 6.7 to 8.6
14

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.010
Magnesium (Mg), % 0.6 to 1.0
92 to 95.4
Manganese (Mn), % 0 to 0.030
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.080
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010