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358.0 Aluminum vs. M1A Magnesium

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

For each property being compared, the top bar is 358.0 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 3.5 to 6.0
5.5
Fatigue Strength, MPa 100 to 110
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 300 to 320
120
Tensile Strength: Ultimate (UTS), MPa 350 to 370
230
Tensile Strength: Yield (Proof), MPa 290 to 320
130

Thermal Properties

Latent Heat of Fusion, J/g 520
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
35
Electrical Conductivity: Equal Weight (Specific), % IACS 130
190

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 2.6
1.7
Embodied Carbon, kg CO2/kg material 8.7
24
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1090
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 20
11
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 710
180
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
71
Strength to Weight: Axial, points 37 to 39
38
Strength to Weight: Bending, points 42 to 44
49
Thermal Diffusivity, mm2/s 63
88
Thermal Shock Resistance, points 16 to 17
13

Alloy Composition

Aluminum (Al), % 89.1 to 91.8
0
Beryllium (Be), % 0.1 to 0.3
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.4 to 0.6
97.2 to 98.8
Manganese (Mn), % 0 to 0.2
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 7.6 to 8.6
0 to 0.1
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.3