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319.0 Aluminum vs. ZE41A Magnesium

319.0 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 32 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 319.0 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78 to 84
63
Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.8 to 2.0
3.3
Fatigue Strength, MPa 76 to 80
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 170 to 210
150
Tensile Strength: Ultimate (UTS), MPa 190 to 240
210
Tensile Strength: Yield (Proof), MPa 110 to 180
140

Thermal Properties

Latent Heat of Fusion, J/g 480
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 540
540
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
970
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 84
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1080
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
63
Strength to Weight: Axial, points 18 to 24
31
Strength to Weight: Bending, points 25 to 30
41
Thermal Diffusivity, mm2/s 44
59
Thermal Shock Resistance, points 8.6 to 11
12

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Copper (Cu), % 3.0 to 4.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.1
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.35
0 to 0.010
Silicon (Si), % 5.5 to 6.5
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 1.0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3