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3103 Aluminum vs. EN-MC35110 Magnesium

3103 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 3103 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 27 to 62
63
Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 1.1 to 28
3.1
Fatigue Strength, MPa 38 to 83
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 68 to 130
130
Tensile Strength: Ultimate (UTS), MPa 100 to 220
230
Tensile Strength: Yield (Proof), MPa 39 to 200
150

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
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 160
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4 to 24
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 280
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 10 to 22
34
Strength to Weight: Bending, points 18 to 30
44
Thermal Diffusivity, mm2/s 64
61
Thermal Shock Resistance, points 4.6 to 9.9
14

Alloy Composition

Aluminum (Al), % 96.3 to 99.1
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.010
Magnesium (Mg), % 0 to 0.3
92 to 95.4
Manganese (Mn), % 0.9 to 1.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.2
3.5 to 5.0
Zirconium (Zr), % 0 to 0.1
0.4 to 1.0
Residuals, % 0
0 to 0.010