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356.0 Aluminum vs. AS41B Magnesium

356.0 aluminum belongs to the aluminum alloys classification, while AS41B magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 356.0 aluminum and the bottom bar is AS41B magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 2.0 to 3.8
6.0
Fatigue Strength, MPa 55 to 75
97
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 140 to 190
120
Tensile Strength: Ultimate (UTS), MPa 160 to 240
210
Tensile Strength: Yield (Proof), MPa 100 to 190
140

Thermal Properties

Latent Heat of Fusion, J/g 500
370
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 620
620
Melting Onset (Solidus), °C 570
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 150 to 170
68
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 43
17
Electrical Conductivity: Equal Weight (Specific), % IACS 140 to 150
92

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 8.2
11
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 250
220
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
72
Strength to Weight: Axial, points 17 to 26
35
Strength to Weight: Bending, points 25 to 33
47
Thermal Diffusivity, mm2/s 64 to 71
41
Thermal Shock Resistance, points 7.6 to 11
13

Alloy Composition

Aluminum (Al), % 90.1 to 93.3
3.5 to 5.0
Copper (Cu), % 0 to 0.25
0 to 0.020
Iron (Fe), % 0 to 0.6
0 to 0.0035
Magnesium (Mg), % 0.2 to 0.45
92.7 to 95.7
Manganese (Mn), % 0 to 0.35
0.35 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 6.5 to 7.5
0.5 to 1.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0 to 0.12
Residuals, % 0 to 0.15
0