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2030 Aluminum vs. M1A Magnesium

2030 aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 2030 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, % 5.6 to 8.0
5.5
Fatigue Strength, MPa 91 to 110
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 220 to 250
120
Tensile Strength: Ultimate (UTS), MPa 370 to 420
230
Tensile Strength: Yield (Proof), MPa 240 to 270
130

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 190
95
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 510
580
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
35
Electrical Conductivity: Equal Weight (Specific), % IACS 99
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.1
1.7
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
11
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
71
Strength to Weight: Axial, points 33 to 38
38
Strength to Weight: Bending, points 37 to 40
49
Thermal Diffusivity, mm2/s 50
88
Thermal Shock Resistance, points 16 to 19
13

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.5
0 to 0.050
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
97.2 to 98.8
Manganese (Mn), % 0.2 to 1.0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.8
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.3