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356.0 Aluminum vs. M1A Magnesium

356.0 aluminum belongs to the aluminum alloys classification, while M1A 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 M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 2.0 to 3.8
5.5
Fatigue Strength, MPa 55 to 75
88
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
230
Tensile Strength: Yield (Proof), MPa 100 to 190
130

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 570
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 150 to 170
150
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 43
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140 to 150
190

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
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
970

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
180
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
71
Strength to Weight: Axial, points 17 to 26
38
Strength to Weight: Bending, points 25 to 33
49
Thermal Diffusivity, mm2/s 64 to 71
88
Thermal Shock Resistance, points 7.6 to 11
13

Alloy Composition

Aluminum (Al), % 90.1 to 93.3
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 0 to 0.6
0
Magnesium (Mg), % 0.2 to 0.45
97.2 to 98.8
Manganese (Mn), % 0 to 0.35
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.3