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A356.0 Aluminum vs. ZE41A Magnesium

A356.0 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is A356.0 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.0 to 6.0
3.3
Fatigue Strength, MPa 50 to 90
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 160 to 270
210
Tensile Strength: Yield (Proof), MPa 83 to 200
140

Thermal Properties

Latent Heat of Fusion, J/g 500
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 570
540
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1110
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 15
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
63
Strength to Weight: Axial, points 17 to 29
31
Strength to Weight: Bending, points 25 to 36
41
Thermal Diffusivity, mm2/s 64
59
Thermal Shock Resistance, points 7.6 to 13
12

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0.25 to 0.45
91.7 to 95.4
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.1
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3